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Pharmacokinetics and Bioavailability Comparison of Two Different Formulations of MNTX Tablets

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01366352
First Posted: June 6, 2011
Last Update Posted: July 19, 2011
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
Valeant Pharmaceuticals International, Inc.
  Purpose
This was a single-center, double-blind, randomized, cross-over Phase 1 study in normal, healthy volunteers. Study treatment entailed single doses of two different formulations of MNTX tablets.

Condition Intervention Phase
Normal Volunteers Drug: MNTX tablet (Formulation 1) Drug: MNTX tablet (Formulation 2) Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Pharmacokinetics and Bioavailability Comparison of Two Different Formulations of MNTX Tablets: A Double-Blind, Single Dose, Crossover, Phase 1 Study in Normal Volunteers

Further study details as provided by Valeant Pharmaceuticals International, Inc.:

Primary Outcome Measures:
  • Peak plasma concentration (Cmax) of MNTX administered as two different oral formulations [ Time Frame: 7 days ]
    To determine and compare the plasma pharmacokinetics and extent of single, oral doses of two different oral formulations of MNTX in normal healthy volunteers.


Secondary Outcome Measures:
  • Half-life of MNTX administered as two different oral formulations [ Time Frame: 7 days ]
    To determine and compare the plasma pharmacokinetics and extent of single, oral doses of two different oral formulations of MNTX in normal healthy volunteers.

  • Time from a single dose to maximum concentration (Tmax) of MNTX administered as two different oral formulations [ Time Frame: 7 days ]
    To determine and compare the plasma pharmacokinetics and extent of single, oral doses of two different oral formulations of MNTX in normal healthy volunteers.

  • Area under the plasma concentration (AUC) of MNTX administered as two different oral formulations [ Time Frame: 7 days ]
    To determine and compare the plasma pharmacokinetics and extent of single, oral doses of two different oral formulations of MNTX in normal healthy volunteers.

  • Total body clearance over bioavailability (CL/F) of MNTX administered as two different oral formulations [ Time Frame: 7 days ]
    To determine and compare relative bioavailability, and extent of single, oral doses of two different oral formulations of MNTX in normal healthy volunteers.

  • Volume of distribution over bioavailability (V/F) of MNTX administered as two different oral formulations [ Time Frame: 7 days ]
    To determine and compare the plasma pharmacokinetics, relative bioavailability, and extent of single, oral doses of two different oral formulations of MNTX in normal healthy volunteers.


Enrollment: 24
Study Start Date: February 2004
Study Completion Date: March 2004
Primary Completion Date: March 2004 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Arm 1
MNTX tablet
Drug: MNTX tablet (Formulation 1)
Experimental: Arm 2
MNTX tablet
Drug: MNTX tablet (Formulation 2)

  Eligibility

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 45 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  1. Weight between 55 and 85 kg
  2. In good health, based on history, physical examination, and appropriate laboratory and diagnostic tests at screening, with no evidence of clinically significant chronic medical condition
  3. Non-smokers.

Exclusion Criteria:

  1. History of evidence of cardiovascular, gastrointestinal, hepatic, musculoskeletal, neurological, pulmonary, renal, or other significant chronic illness
  2. History of asthma, allergic skin rash, significant allergy, or other immunologic disorder
  3. Consumption of barbiturates or other inducers or inhibitors of CYP450
  4. History or suspicion of alcohol or drug abuse.
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01366352


Locations
United States, New York
Progenics Pharmaceuticals, Inc.
Tarrytown, New York, United States, 10591
Sponsors and Collaborators
Valeant Pharmaceuticals International, Inc.
Investigators
Study Director: Tage Ramakrishna, MD Progenics Pharmaceuticals, Inc.
  More Information

Responsible Party: Tage Ramakrishna, MD, Progenics Pharmaceuticals, Inc.
ClinicalTrials.gov Identifier: NCT01366352     History of Changes
Other Study ID Numbers: MNTX 1202
First Submitted: May 27, 2011
First Posted: June 6, 2011
Last Update Posted: July 19, 2011
Last Verified: July 2011

Additional relevant MeSH terms:
Methylnaltrexone
Narcotic Antagonists
Physiological Effects of Drugs
Sensory System Agents
Peripheral Nervous System Agents