A Study of Participants With Advanced Prostate Cancer in Canada

Overview

The purpose of this study is to document the course of advanced prostate cancer in Canada in terms of disease progression, real-world treatment, and patient management.

Full Title of Study: “A Multicentre Cohort Study of Patients With Advanced Prostate Cancer in Canada”

Study Type

  • Study Type: Observational
  • Study Design
    • Time Perspective: Prospective
  • Study Primary Completion Date: May 1, 2021

Interventions

  • Other: Standard of Care
    • Participants will not receive any intervention in this study. Participants will receive standard of care therapy.

Arms, Groups and Cohorts

  • Metastatic Castrate-Sensitive Prostate Cancer (mCSPC)
    • Participants will be defined as having mCSPC if there is a new mCSPC diagnosis in the past 6 months, documented metastatic prostate cancer, no more than 12 months of androgen deprivation therapy (ADT) in any setting and no more than 6 months of systemic treatment for mCSPC (example, next generation androgen receptor targeted therapy or chemotherapy).
  • Metastatic Castrate-Resistant Prostate Cancer (mCRPC)
    • Participants will be defined as having mCRPC if there is mCRPC diagnosis at any time, documented metastatic prostate cancer, documented castration resistance per Prostate Cancer Working Group 2 criteria (elevated prostate specific antigen [PSA] despite testosterone less than [<]50 nanogram per deciliter [ng/dL] [<1.7 nano moles per liter{nmol/L}]), and the first treatment for mCRPC was started in the past 6 months or is scheduled to begin.
  • NonMetastatic Castrate-Resistant Prostate Cancer (nmCRPC)
    • Participants will be defined as having nmCRPC if there is nmCRPC diagnosis at any time, documented non-metastatic prostate cancer, documented castration resistance per Prostate Cancer Working Group 3 criteria (elevated PSA despite testosterone <50 ng/dL [<1.7 nmol/L]). nmCRPC, defined as a prostate specific antigen doubling time (PSADT) of less than or equal to 12 months, or beginning next generation ARAT for nmCRPC.

Clinical Trial Outcome Measures

Primary Measures

  • Time to Prostate Specific Antigen (PSA) Progression
    • Time Frame: Approximately up to 3 years
    • Time to PSA progression is defined as the time interval from the date of start of study enrollment to the date of first evidence of PSA progression. In participants whose PSA level has decreased, PSA progression is defined as at least a 25 percent (%) increase from nadir (lowest value including the most recent value prior to study enrollment) and an increase in the absolute value of 2 nanogram per milliliter (ng/mL) or greater, confirmed by a subsequent measurement at least 3 weeks after the increase. In participants whose PSA level has not decreased, PSA progression is defined as at least a 25% increase from the most recent value prior to study enrollment and an increase in the absolute value of 2 ng/mL or greater after 12 weeks.
  • Time to Radiographic Evidence of Disease Progression
    • Time Frame: Approximately up to 3 years
    • Time to radiographic evidence of disease progression is defined as the time interval from the date of start of study treatment to the date of first appearance of 2 or more new bone lesions on bone scan or enlargement of a soft tissue lesion using the Response Evaluation Criteria in Solid Tumors (RECIST).
  • Time to Skeletal-Related Events
    • Time Frame: Approximately up to 3 years
    • Time to skeletal-related events is defined as the time interval from the date of start of study treatment to the date of first skeletal-related event.
  • Time to Death
    • Time Frame: Approximately up to 3 years
    • Time to death is defined as the time interval from the date of start of study enrollment to death.
  • Number of Participants with Different Primary Causes of Death
    • Time Frame: Approximately up to 3 years
    • The number of participants with different primary causes of death will be reported.
  • Time to Progression from mCSPC to mCRPC in Participants with mCSPC
    • Time Frame: Approximately up to 3 years
    • In participants with mCSPC, time to progression from mCSPC to mCRPC is defined as the time interval which is either calculated from date when mCSPC was first documented or from the date of start of study treatment, if participant receives treatment for mCSPC to the progression to mCRPC.
  • Time from Biochemical Recurrence (BCR) to Nonmetastatic Castrate-Resistant Prostate Cancer (nmCRPC) and nmCRPC to mCRPC
    • Time Frame: Approximately up to 3 years
    • In participants with mCRPC, time from BCR to nmCRPC and nmCRPC to mCRPC will be analyzed retrospectively. BCR is defined as PSA greater than (>)0.2 nanogram per milliliter (ng/mL) after radical prostatectomy and PSA >2 ng/mL above the nadir (lowest value including the most recent value prior to study enrollment) after radical radiotherapy.
  • Number of Participants with PSA Testing from BCR to nmCRPC and nmCRPC to mCRPC, in Participants with mCRPC
    • Time Frame: Approximately up to 3 years
    • In participants with mCRPC, number of participants having PSA testing from BCR to nmCRPC and nmCRPC to mCRPC will be reported.
  • Number of Participants with Frequency of Imaging from Time of BCR to nmCRPC and nmCRPC to mCRPC
    • Time Frame: Approximately up to 3 years
    • In participants with non metastatic castrateresistant prostate cancer (nmCRPC), number of participants having imaging from BCR to nmCRPC and mCRPC to nmCRPC will be reported.
  • PSA Level at Start of Androgen Deprivation Therapy (ADT) in Participants with mCRPC
    • Time Frame: Approximately up to 3 years
    • In participants with mCRPC, PSA level at start of ADT will be reported.
  • PSA Doubling Time (PSADT) at the Detection of Castration Resistance in Participants with mCRPC
    • Time Frame: Approximately up to 3 years
    • In participants with mCRPC, PSADT at the detection of castration resistance will be reported. PSADT is the length of time it takes for a PSA to double based on an exponential growth pattern.
  • Time from nmCRPC to High-Risk (HR) nmCRPC
    • Time Frame: Approximately up to 3 years
    • Time from nmCRPC to HR nmCRPC is defined as prostate specific antigen doubling time (PSADT) less than or equal to (<=) 10 months.
  • Time from ADT Initiation to nmCRPC
    • Time Frame: Approximately up to 3 years
    • Time from ADT initiation to nmCRPC will be reported.
  • Median Absolute prostate specific antigen (PSA) at onset of HR-nmCRPC
    • Time Frame: Approximately up to 3 years
    • Median absolute PSA at onset of HR-nmCRPC will be reported.
  • Time to Initiation of Subsequent Prostate Cancer Treatment
    • Time Frame: Approximately up to 3 years
    • Time to initiation of subsequent prostate cancer treatment is defined as the time interval from the date of start of study treatment to the date of start of subsequent prostate cancer treatment.
  • Duration of Each Therapy
    • Time Frame: Approximately up to 3 years
    • Duration for each therapy will be reported for all participants.
  • Percentage of Participants Receiving Chemotherapy, Other Drug Treatments, or no Drug Treatment
    • Time Frame: Approximately up to 3 years
    • Percentage of participants receiving chemotherapy, other drug treatments, or no drug treatment, will be reported for all participants.
  • Time to Treatment Initiation
    • Time Frame: Approximately up to 3 years
    • Time to treatment initiation, will be reported for all participants.
  • Time to Dose Modification
    • Time Frame: Approximately up to 3 years
    • Time to dose modification, will be reported for all participants.
  • Number of Participants who Switch the Treatment
    • Time Frame: Approximately up to 3 years
    • Number of participants who switch the treatment, will be reported.
  • Number of Participants who Discontinued the Treatment
    • Time Frame: Approximately up to 3 years
    • Number of participants who discontinued the treatment, will be reported.
  • Most Common Sequences for Lines of Therapy in Participants with mCRPC
    • Time Frame: Approximately up to 3 years
    • In participants with mCRPC, most common sequences for lines of therapy will be reported.
  • Number of Participants Retreated with Docetaxel in Participants with mCRPC
    • Time Frame: Approximately up to 3 years
    • In participants with mCRPC, number of participants having retreatment with docetaxel will be reported.
  • Percentage of Participant with Radiographic Imaging Modality
    • Time Frame: Approximately up to 3 years
    • Percentage of participants with radiographic imaging modality which includes bone scan, magnetic resonance imaging, ultrasound, X-ray will be reported.
  • Number of Days Hospitalized for Prostate Cancer or Treatment of Prostate Cancer
    • Time Frame: Approximately up to 3 years
    • Number of days for which participant was hospitalized for prostate cancer or treatment of prostate cancer, will be reported for all participants.
  • Number of Visits to Emergency Department for Prostate Cancer or Treatment of Prostate Cancer
    • Time Frame: Approximately up to 3 years
    • Number of visits to emergency department for prostate cancer or treatment of prostate cancer, will be reported for all participants.
  • Number of Outpatient Visits to Specialists Involved in Management of Prostate Cancer
    • Time Frame: Approximately up to 3 years
    • Number of outpatient visits to specialists (urologist, medical oncologist, uro-oncologist, radiation oncologist) involved in management of prostate cancer, will be reported for all participants.
  • Charlson Comorbidity Index Score
    • Time Frame: Approximately up to 3 years
    • Charlson Comorbidity Index score will be summarized descriptively. The Charlson Comorbidity Index is a 19-item measure assessing comorbid conditions. The total possible score on the Charlson Comorbidity Index ranges from 0 to 37. If a condition is not present, the score for that condition is zero. The higher scores indicate greater comorbidity.

Participating in This Clinical Trial

Inclusion Criteria

  • Participant must have a confirmed diagnosis of adenocarcinoma of the prostate
  • Participant must have metastatic prostate cancer, as follows: a) nmCRPC: nmCRPC diagnosis at any time, documented castration resistance per Prostate Cancer Working Group 3 criteria23 (elevated PSA despite testosterone <50 ng/dL [<1.7 nmol/L]), Negative for metastases on conventional imaging (computerized tomography, Magnetic resonance imaging, bone scans), Prostate specific antigen doubling time (PSADT) less than equal to (<=) 12 months within the last 6 months or beginning treatment with approved next-generation ARAT for treatment of nmCRPC b) Metastatic castrate-sensitive prostate cancer (mCSPC): new mCSPC diagnosis in the past 6 months (can be de novo or primary progressive recurrent following local radical therapy), documented metastatic prostate cancer, no more than 12 months of androgen deprivation therapy (ADT) in any setting, no more than 6 months of systemic treatment for mCSPC (example, approved next generation androgen receptor targeted therapy or chemotherapy]), c) Metastatic castrate-resistant prostate cancer (mCRPC): mCRPC diagnosis at any time, documented metastatic prostate cancer, documented castration resistance per Prostate Cancer Working Group 2 criteria (elevated prostate specific antigen [PSA] despite testosterone less than [<]50 nanogram per deciliter [ng/dL] [<1.7 nano moles per liter{nmol/L}]), the first treatment for mCRPC was started in the past 6 months or is scheduled to begin
  • Participant must have a life expectancy of more than 6 months
  • Participant must sign (and/or their legally acceptable representative, if applicable) a participation agreement/informed consent form (ICF) allowing data collection and source data verification in accordance with local requirements and/or sponsor policy

Exclusion Criteria

  • At the time of screening, patient is currently enrolled in other Janssen sponsored clinical study (any indication) or an interventional clinical trial investigating a non Health Canada approved drug and/or procedure for the treatment and/or monitoring of prostate cancer (Janssen or non-Janssen company sponsored)
  • Participant is currently enrolled in any observational study sponsored or managed by a Janssen company

Gender Eligibility: Male

Minimum Age: 21 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Janssen Inc.
  • Provider of Information About this Clinical Study
    • Sponsor
  • Overall Official(s)
    • Janssen Inc. Clinical Trial, Study Director, Janssen Inc.
  • Overall Contact(s)
    • Study Contact, 844-434-4210, JNJ.CT@sylogent.com

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