IMX-150 Cream for Diabetic Neuropathy

Overview

The purpose of this study is to compare the effectiveness of two different dose of IMX-150 to that of placebo (non-active) in the treatment of diabetic peripheral neuropathy pain of the feet.

Full Title of Study: “A Randomized, Phase II, Multi-Center, Double-Blind, Placebo-Controlled, Dose-Response Study of an Aqueous Topical Formulation of Nitroglycerin, IMX-150, in the Treatment of Pain in Diabetic Peripheral Neuropathy of the Feet”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
  • Study Primary Completion Date: March 2008

Interventions

  • Drug: IMX-150
    • (0.3%) 0.5g topically BID to each foot for 4 weeks
  • Drug: IMX-150
    • (0.6%) 0.5g topically BID to each foot for 4 weeks
  • Drug: Placebo
    • 0.5 g topically BID to each foot for 4 weeks

Arms, Groups and Cohorts

  • Experimental: A
    • IMX-150 (0.3%) 0.5 g topically BID each foot
  • Experimental: B
    • IMX-150(0.6%) 0.5 g topically BID to each foot
  • Placebo Comparator: C
    • Placebo 0.5 g topically BID to each foot for 4 weeks

Clinical Trial Outcome Measures

Primary Measures

  • Change from Baseline to endpoint (Day 29) in the average of neuropathic foot daily pain “24 – Hour Average Pain” scores
    • Time Frame: Weekly average of “24-hour Average Pain”

Secondary Measures

  • Change in weekly average sleep disturbance
    • Time Frame: daily

Participating in This Clinical Trial

Inclusion Criteria

  • Must have sufficient command and understanding of the English language to complete diaries and questionnaires – If female, may not be pregnant or lactating – Can be treated on an outpatient basis – Has a clinical diagnosis of Type-1 or Type II diabetes with: confirmed diagnosis of diabetic distal symmetrical sensorimotor polyneuropathy and bilateral pain in the feet for at least 3 months. – Must have a hemoglobin A1C value of 11% or less that is stable under treatment – Agrees to use the test creams as specified for the 4 week period – Willing to not use any other medications, including investigational medications, to treat pain symptoms of Diabetic Neuropathy while in study. Exclusion Criteria:

  • Currently using any nitrate medications – Currently using Viagra®, Levitra®, Cialis® or other phosphodiesterase 5 inhibitors medications for erectile dysfunction – Currently treated for symptoms of diabetic neuropathy, including but not limited to Lyrica®, Cymbalta® and transcutaneous stimulation – Not on a stable dose for at least 4 weeks prior to study screening of other vasodilators required for underlying conditions – Know allergy to Nitroglycerin, propylene glycol or common moisturizing creams – History of migraine, cluster or vascular headaches, chronic pain with greater pain intensity than the pain of diabetic neuropathy or other chronic pain condition within the region of the diabetic peripheral neuropathy – Amputation of more than one toe per foot – Neurological disorder or skin condition that may alter local sensation in the feet – History of unstable medical problem, clinically significant screening laboratory test or any current medical condition that would contraindicate the administration of the study mediation, interfere with the study evaluations, or interfere with the patient's ability to comply with the study – History of drug (including cannabinoid) or alcohol abuse within the past year – Cognitive or language difficulties that would impair completion of the pain assessment tool – Within the past 3 months, have had either a myocardial infarction, uncontrolled hypotension, or uncontrolled hypertension – Participated in a study of any investigational drug within 4 weeks or 5 half-lives of the drug, whichever is longer, prior to Screening – Major abdominal, thoracic or vascular surgery within 6 months of the first dose of study medication – Open lesions in the area where the cream is to be applied – Fertile patients who are unable or unwilling to comply with the contraceptive requirements during the study period

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: 75 Years

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Procris Pharmaceuticals
  • Provider of Information About this Clinical Study
    • Matthew A. Gonda, PhD, Procris Pharmaceuticals
  • Overall Official(s)
    • Patrick Yeramian, MD, Study Director, VP Medical Affairs

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