A Study to Evaluate SAGE-217 in Participants With Parkinson’s Disease

Overview

This study assesses the safety, tolerability, pharmacokinetics and efficacy of SAGE-217 in 29 participants with moderate to severe Parkinson's Disease.

Full Title of Study: “A Phase 2, Two-Part Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Efficacy of SAGE-217 in Subjects With Parkinson’s Disease”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Non-Randomized
    • Intervention Model: Sequential Assignment
    • Primary Purpose: Treatment
    • Masking: None (Open Label)
  • Study Primary Completion Date: September 11, 2017

Detailed Description

Part A of the study is an open-label design with dosing of Levodopa for 3 days followed by SAGE-217 for 4 days. Part B of the study is an open-label design with evening dosing of SAGE-217 for 7 days as an adjunct to antiparkinsonian agent(s).

Interventions

  • Drug: SAGE-217
  • Drug: Levodopa
    • Levodopa (including carbidopa-levodopa) administered as antiparkinsonian agent(s).
  • Drug: Antiparkinsonian Agent(s)
    • Antiparkinsonian agent(s) were administered as a clinical practice as standard of care, which includes levodopa (i.e. levodopa/carbidopa) or dopamine agonists or catechol-O-methyltransferase (COMT) inhibitors or monoamine oxidase (BMAO-B) inhibitors.

Arms, Groups and Cohorts

  • Experimental: Part A: Antiparkinsonian Agent(s) Followed by SAGE-217
    • Participants on a stable morning dose of levodopa (including carbidopa-levodopa) as antiparkinsonian agent(s) from Days 1 to 3, stopped levodopa and received SAGE-217 at a dose of 30 mg per day, oral solution, for Days 4 to 7 in the morning with food. Stable doses of other antiparkinsonian agents and dose reductions in SAGE-217 were allowed between Days 1 to 7. Participants resumed stable morning dose of levodopa from Days 8 to 14.
  • Experimental: Part B: Antiparkinsonian Agent(s) + SAGE-217
    • Participants on a stable dose of antiparkinsonian agent(s) received SAGE-217, up to 30 mg per day, capsules, for Days 1 to 7 in the evening with food.

Clinical Trial Outcome Measures

Primary Measures

  • Percentage of Participants With Treatment-emergent Adverse Events (TEAEs) – Part A
    • Time Frame: Day 1 to Day 14
    • An adverse event (AE) was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug-related. A TEAE was as an AE that occurred after the first administration of study drug. The analysis was performed in participants included in Part A of the study.
  • Percentage of Participants With TEAEs, Graded by Severity – Part A
    • Time Frame: Day 1 to Day 14
    • Severity was assessed according to the following scale: mild (awareness of sign or symptom, but easily tolerated); moderate (discomfort sufficient to cause interference with normal activities); severe (incapacitating, with an inability to perform normal activities). The analysis was performed in participants included in Part A of the study.
  • Change From Baseline (CFB) in Basophils – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Basophils to Leukocytes Ratio [Percentage (%)] – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study. The blood cell differential (ratio) data are presented as International System (SI) unit, percentage (%).
  • CFB in Eosinophils – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Eosinophils to Leukocytes Ratio (%) – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study. The blood cell differential (ratio) data are presented as SI unit, percentage (%).
  • CFB in Erythrocytes – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Hematocrit – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Hemoglobin – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Leukocytes – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Lymphocytes – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Lymphocytes to Leukocytes Ratio (%) – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study. The blood cell differential (ratio) data are presented as SI unit, percentage (%).
  • CFB in Monocytes – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Monocytes to Leukocytes Ratio (%) – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study. The blood cell differential (ratio) data are presented as SI unit, percentage (%).
  • CFB in Neutrophils- Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Neutrophils to Leukocytes Ratio (%) – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study. The blood cell differential (ratio) data are presented as SI unit, percentage (%).
  • CFB in Platelets – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Reticulocytes – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Reticulocytes to Erythrocytes Ratio (%) – Part A
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study. The blood cell differential (ratio) data are presented as SI unit, percentage (%).
  • CFB in Activated Partial Thromboplastin Time – Part A
    • Time Frame: Day 1 to Day 14
    • Coagulation measures included activated partial thromboplastin time, prothrombin international normalized ratio and prothrombin time. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Prothrombin International Normalized Ratio – Part A
    • Time Frame: Day 1 to Day 14
    • Coagulation measures included activated partial thromboplastin time, prothrombin international normalized ratio and prothrombin time. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Prothrombin Time – Part A
    • Time Frame: Day 1 to Day 14
    • Coagulation measures included activated partial thromboplastin time, prothrombin international normalized ratio and prothrombin time. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Alanine Aminotransferase – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Albumin – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Alkaline Phosphatase – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Aspartate Aminotransferase – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Bicarbonate – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Bilirubin – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Calcium – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Chloride – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Creatinine – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Lipase – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Magnesium – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Phosphate – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Potassium – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Protein – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Sodium – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Urate – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Urea Nitrogen – Part A
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Specific Gravity – Part A
    • Time Frame: Day 1 to Day 14
    • Urinalysis measures included specific gravity and potential of hydrogen (pH). Baseline is the last measurement taken before the first dose of study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in pH – Part A
    • Time Frame: Day 1 to Day 14
    • Urinalysis measures included specific gravity and pH. Baseline is the last measurement taken before the first dose of study drug. The analysis was performed in participants included in Part A of the study.
  • CFB in Temperature – Part A
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Heart Rate – Part A
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Respiratory Rate – Part A
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Supine Systolic Blood Pressure – Part A
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Standing Systolic Blood Pressure – Part A
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Supine Diastolic Blood Pressure – Part A
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Standing Diastolic Blood Pressure – Part A
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Pulse Oximetry- Part A
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Electrocardiogram (ECG) Mean Heart Rate – Part A
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Aggregate PR Interval – Part A
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Aggregate RR Interval – Part A
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Aggregate QT Interval – Part A
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Aggregate QRS Duration – Part A
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Aggregate QTcF Interval – Part A
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • CFB in Stanford Sleepiness Scale (SSS) Score – Part A
    • Time Frame: Day 1 to Day 14
    • The SSS was a participant-rated scale designed to quickly assess how alert a participant was feeling. Degrees of sleepiness and alertness were rated on a scale of one to seven, where the lowest score of ‘one’ indicated the participant was ‘feeling active, vital, alert, or wide awake’ and the highest score of ‘seven’ indicated the participant was ‘no longer fighting sleep, sleep onset soon; having dream-like thoughts’. A negative change from baseline indicated less sleepiness. A positive change from baseline indicated more sleepiness. Baseline is the last measurement taken before the first dose of study drug. L/C indicated levodopa/carbidopa. The analysis was performed in participants included in Part A of the study.
  • Percentage of Participants With a Response of ‘Yes’ to Any Columbia Suicide Severity Rating Scale (C-SSRS) Suicidal Ideation or Suicidal Behavior Item – Part A
    • Time Frame: Day 1 to Day 14
    • The C-SSRS scale consisted of a baseline evaluation (at screening) that assessed the lifetime experience of participants with suicidal ideation (SI) and suicidal behavior (SB) and a postbaseline evaluation that focused on suicidality since the last study visit. The C-SSRS included “yes” or “no”‘ responses for assessment of suicidal ideation and behavior as well as numeric ratings for the severity of ideation, if present (from 1 to 5, with 5 being the most severe). The C-SSRS SI items involved wish to be dead, non-specific active suicidal thoughts, active SI with any methods, active SI with some intent and active SI with a specific plan. The C-SSRS SB items involved actual attempt, interrupted attempt, aborted attempt, preparatory acts or behavior, suicidal behavior and suicide. The analysis was performed in participants included in Part A of the study.
  • CFB in the Movement Disorder Society-Unified Parkinson’s Disease Rating Scale (MDS-UPDRS) Part II/III Score – Part B
    • Time Frame: Baseline, Days 1 to 6 (12 and 23 hours postdose), Day 7 (12 hours postdose), Day 14
    • The modified MDS-UPDRS included 4 scales, with various subscales. Each item was rated from 0 (normal) to 4 (severe). The scales were Part I: nonmotor experiences of daily living (13 items); Part II: motor experiences of daily living (13 items); Part III: motor examination (33 scores based on 18 items [several with right, left or other body distribution scores]); and Part IV: motor complications (6 items). The Part II/III tremor score was calculated as the sum of 5 individual tremor item scores from Part II and Part III. The total score range for Part II/III is 0 to 44. Lower scores represent less symptom severity and higher scores represent more symptom severity. Baseline is the last measurement taken before the first dose of study drug. A negative change from baseline indicates an improvement in symptom severity. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.

Secondary Measures

  • MDS-UPDRS Part III Total Score – Part A
    • Time Frame: Days 1 to 7 (2, 4, 8, and 12 hours postdose), Day 8 and Day 14
    • Part III of the MDS-UPDRS assessed 18 motor categories, some of which included right and left measurements: speech, facial expression, kinetic tremor of hands, rest tremor amplitude, postural tremor of hands, rigidity of neck and 4 extremities, finger taps, hand movement, pronation/supination, toe tapping, constancy of rest tremor, leg agility, arising from chair, posture, gait, freezing of gait, postural stability, global spontaneity of movement. Part III total score was calculated as the sum of individual item scores from these categories. Each item was rated from 0 (normal) to 4 (severe). The total score range for Part III is 0 to 132. Lower scores indicate less symptom severity. The analysis was performed in participants included in Part A of the study.
  • CFB in the MDS-UPDRS Part III Total Score – Part B
    • Time Frame: Baseline, Days 1 to 6 (12 and 23 hours postdose), Day 7 (12 hours postdose), Day 14
    • Part III of the MDS-UPDRS assessed 18 motor categories, some of which included right and left measurements: speech, facial expression, kinetic tremor of hands, rest tremor amplitude, postural tremor of hands, rigidity of neck and 4 extremities, finger taps, hand movement, pronation/supination, toe tapping, constancy of rest tremor, leg agility, arising from chair, posture, gait, freezing of gait, postural stability, global spontaneity of movement. Part III total score was calculated as the sum of the individual item scores from these categories. Each item was rated from 0 (normal) to 4 (severe). The total score range for Part III is 0 to 132. Lower scores represent less symptom severity. A negative change from baseline indicates an improvement in symptom severity. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in the MDS-UPDRS Part I Total Score – Part B
    • Time Frame: Baseline, Day 7 (12 hours postdose), Day 14
    • Part I of the MDS-UPDRS assessed 13 nonmotor experiences of daily living categories. Part I total score was calculated as the sum of the individual item scores from these categories. The total score range for Part I is 0 to 52. Lower scores indicate less symptom severity. A negative change from baseline indicates an improvement in symptom severity. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in the MDS-UPDRS Part II Total Score – Part B
    • Time Frame: Baseline, Days 1 to 6 (12 and 23 hours postdose), Day 7 (12 hours postdose), Day 14
    • Part II of the MDS-UPDRS assessed 13 categories of motor experiences of daily living: speech, salivation and drooling, chewing and swallowing, eating tasks, dressing, hygiene, handwriting, doing hobbies and other activities, turning in bed, tremor, getting out of bed, car, or deep chair, walking and balance, and freezing. The Part II total score was calculated as the sum of the individual item scores from these categories. The total score range for Part II is 0 to 52. Lower scores indicate less symptom severity. A negative change from baseline indicates an improvement in symptom severity. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in the MDS-UPDRS Part I-IV Total Score – Part B
    • Time Frame: Baseline, Day 7 (12 hours postdose), Day 14
    • The MDS-UPDRS assesses nonmotor experiences, motor experiences, motor skills, and motor complication categories. The MDS-UPDRS Part I-IV total score was calculated as the sum of the individual item scores from these categories. The total score range for Part I-IV is 0 to 260. Lower scores indicate less symptom severity. A negative change from baseline indicates an improvement in symptom severity. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • Percentage of Participants With TEAEs – Part B
    • Time Frame: Day 1 to Day 14
    • An AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug-related. A TEAE was as an AE that occurred after the first administration of study drug. The analysis was performed in participants included in Part B of the study.
  • Percentage of Participants With TEAEs, Graded by Severity – Part B
    • Time Frame: Day 1 to Day 14
    • Severity was assessed according to the following scale: mild (awareness of sign or symptom, but easily tolerated); moderate (discomfort sufficient to cause interference with normal activities); severe (incapacitating, with inability to perform normal activities). The analysis was performed in participants included in Part B of the study.
  • CFB in Basophils – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Basophils to Leukocytes Ratio (%) – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study. The blood cell differential (ratio) data are presented as SI unit, percentage (%).
  • CFB in Eosinophils – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Eosinophils to Leukocytes Ratio (%) – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study. The blood cell differential (ratio) data are presented as SI unit, percentage (%).
  • CFB in Erythrocytes – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Hematocrit – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Hemoglobin – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Leukocytes – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Lymphocytes – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Lymphocytes to Leukocytes Ratio (%) – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study. The blood cell differential (ratio) data are presented as SI unit, percentage (%).
  • CFB in Monocytes – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Monocytes to Leukocytes Ratio (%) – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study. The blood cell differential (ratio) data are presented as SI unit, percentage (%).
  • CFB in Neutrophils – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Neutrophils to Leukocytes Ratio (%) – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study. The blood cell differential (ratio) data are presented as SI unit, percentage (%).
  • CFB in Platelets – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Reticulocytes – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Reticulocytes to Erythrocytes Ratio (%) – Part B
    • Time Frame: Day 1 to Day 14
    • Hematology measures included basophils, basophils to leukocytes ratio, eosinophils, eosinophils to leukocytes ratio, erythrocytes, hematocrit, hemoglobin, leukocytes, lymphocytes, lymphocytes to leukocytes ratio, monocytes, monocytes to leukocytes ratio, neutrophils, neutrophils to leukocytes ratio, platelets, reticulocytes and reticulocytes to erythrocytes ratio. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study. The blood cell differential (ratio) data are presented as SI unit, percentage (%).
  • CFB in Activated Partial Thromboplastin Time – Part B
    • Time Frame: Day 1 to Day 14
    • Coagulation measures included activated partial thromboplastin time, prothrombin international normalized ratio and prothrombin time. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Prothrombin International Normalized Ratio – Part B
    • Time Frame: Day 1 to Day 14
    • Coagulation measures included activated partial thromboplastin time, prothrombin international normalized ratio and prothrombin time. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Prothrombin Time – Part B
    • Time Frame: Day 1 to Day 14
    • Coagulation measures included activated partial thromboplastin time, prothrombin international normalized ratio and prothrombin time. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Alanine Aminotransferase – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Albumin – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Alkaline Phosphatase – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Aspartate Aminotransferase – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Bicarbonate – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Bilirubin – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Calcium – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Chloride – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Creatinine – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Lipase – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Magnesium – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Phosphate – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Potassium – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Protein – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Sodium – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Urate – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Urea Nitrogen – Part B
    • Time Frame: Day 1 to Day 14
    • Clinical chemistry measures included alanine aminotransferase, albumin, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin, calcium, chloride, creatinine, lipase, magnesium, phosphate, potassium, protein, sodium, urate and urea nitrogen. Baseline is the last measurement taken before the first dose of the study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Specific Gravity – Part B
    • Time Frame: Day 1 to Day 14
    • Urinalysis measures included specific gravity and pH. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in pH – Part B
    • Time Frame: Day 1 to Day 14
    • Urinalysis measures included specific gravity and pH. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Temperature – Part B
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Heart Rate – Part B
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Respiratory Rate – Part B
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Supine Systolic Blood Pressure – Part B
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Standing Systolic Blood Pressure – Part B
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Supine Diastolic Blood Pressure – Part B
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Standing Diastolic Blood Pressure – Part B
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Pulse Oximetry – Part B
    • Time Frame: Day 1 to Day 14
    • Vital sign measures included temperature, heart rate, respiratory rate, supine systolic blood pressure, standing systolic blood pressure, supine diastolic blood pressure, standing diastolic blood pressure and pulse oximetry. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in ECG Mean Heart Rate – Part B
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Aggregate PR Interval – Part B
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Aggregate RR Interval – Part B
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Aggregate QT Interval – Part B
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Aggregate QRS Duration – Part B
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • CFB in Aggregate QTcF Interval – Part B
    • Time Frame: Day 1 to Day 14
    • ECG measures included ECG mean heart rate, aggregate PR interval, aggregate RR interval, aggregate QT interval, aggregate QRS duration and aggregate QTcF interval. Baseline is the last measurement taken before the first dose of study drug. Doses 1 to 7 were given on Days 1 to 7, respectively. The analysis was performed in participants included in Part B of the study.
  • Percentage of Participants With a Response of ‘Yes’ to Any C-SSRS Suicidal Ideation or Suicidal Behavior Item – Part B
    • Time Frame: Day 1 to Day 14
    • The C-SSRS scale consisted of a baseline evaluation (at screening) that assessed the lifetime experience of participants with suicidal ideation (SI) and suicidal behavior (SB) and a postbaseline evaluation that focused on suicidality since the last study visit. The C-SSRS included “yes” or “no”‘ responses for assessment of suicidal ideation and behavior as well as numeric ratings for the severity of ideation, if present (from 1 to 5, with 5 being the most severe). The C-SSRS SI items involved wish to be dead, non-specific active suicidal thoughts, active SI with any methods, active SI with some intent and active SI with a specific plan. The C-SSRS SB items involved actual attempt, interrupted attempt, aborted attempt, preparatory acts or behavior, suicidal behavior and suicide. The analysis was performed in participants included in Part B of the study.

Participating in This Clinical Trial

Inclusion Criteria

  • Participant has a diagnosis of idiopathic Parkinson's Disease (Hoehn and Yahr Stage 2 or Stage 3) with a duration of less than 7 years prior to screening [Part A] – Participant has a diagnosis of idiopathic Parkinson's Disease (Hoehn and Yahr Stage 1-4, assessed during the "on" period) [Part B] – Participant is on a stable dose (at least 1 month prior to baseline visit) of an antiparkinsonian agent and is willing to remain on this dose for the duration of the study Exclusion Criteria:

  • Participant has early (Hoehn and Yahr Stage 1) or advanced (Hoehn and Yahr Stage 4 or Stage 5) Parkinson's Disease [Part A] – Participant has advanced (Hoehn and Yahr Stage 5) Parkinson's Disease [Part B] – Participant with presence of drug-induced parkinsonism, metabolic identified neurogenetic disorders, encephalitis, or other atypical Parkinsonian syndromes – Participant with medical history of electroconvulsive therapy or stereotaxic brain surgery for Parkinson's Disease – Participant with medical history of suicide attempt within 2 years of screening or current suicidal ideation – Participant with medical history of impulse control disorder

Gender Eligibility: All

Minimum Age: 40 Years

Maximum Age: 75 Years

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Sage Therapeutics
  • Provider of Information About this Clinical Study
    • Sponsor

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