Study Evaluating Oral MOA-728 in Subjects on Methadone Therapy

This study has been withdrawn prior to enrollment.
Information provided by:
Salix Pharmaceuticals Identifier:
First received: July 16, 2007
Last updated: July 22, 2011
Last verified: July 2011

To evaluate the effects of single oral doses of MOA-728 compared to a positive control in subjects on methadone therapy.

Condition Intervention Phase
Methadone-maintenance Subjects
Drug: MOA-728
Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double-Blind
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, Triple-Dummy, 3-Period Crossover Study of the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of a New Formulation of MOA-728 in Subjects on Stable Methadone Maintenance

Resource links provided by NLM:

Further study details as provided by Salix Pharmaceuticals:

Primary Outcome Measures:
  • To characterize the pharmacodynamics of single oral doses of MOA-728 compared to a positive control of MOA-728 administered intravenously in subjects on stable methadone maintenance.

Study Start Date: July 2007
Estimated Study Completion Date: December 2007
Estimated Primary Completion Date: December 2007 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years to 65 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes


  1. Healthy men or women, aged 18 to 65 years.
  2. History of methadone treatment for at least 1 month, at a dose >=30 and <=140 mg/day.


  1. History or active presence of clinically important medical disease.
  2. Allergy to opioids.
  Contacts and Locations
Please refer to this study by its identifier: NCT00505583

United States, Florida
Gainesville, Florida, United States, 32608
Sponsors and Collaborators
Salix Pharmaceuticals
Study Director: Jeff Cohn Salix Pharmaceuticals
  More Information

No publications provided

Responsible Party: Jeff Cohn, Salix Pharmaceuticals Identifier: NCT00505583     History of Changes
Other Study ID Numbers: 3200A3-1110
Study First Received: July 16, 2007
Last Updated: July 22, 2011
Health Authority: United States: Food and Drug Administration

Additional relevant MeSH terms:
Analgesics, Opioid
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Pharmacologic Actions
Central Nervous System Agents
Therapeutic Uses
Central Nervous System Depressants
Antitussive Agents
Respiratory System Agents
Narcotics processed this record on April 16, 2014