A Study to Assess the Effects of MK0812 on Disease Activity in Patients With Relapsing-Remitting Multiple Sclerosis as Measured by Magnetic Resonance Imaging (MRI)

This study has been completed.
Information provided by:
Merck Sharp & Dohme Corp.
ClinicalTrials.gov Identifier:
First received: October 13, 2005
Last updated: May 14, 2008
Last verified: May 2008
The purpose of this study is to test MK0812 on disease activity in patients with relapsing-remitting MS. Disease modifying activity will be assessed by measurement of brain lesions via MRI brain scans and an open label extension is offered.

Condition Intervention Phase
Relapsing-Remitting Multiple Sclerosis
Drug: MK0812
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Investigator)
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind Placebo Controlled, Parallel Groups Study to Assess the Effects of MK0812 on Disease Activity in Patients With Relapsing-Remitting Multiple Sclerosis as Measured by MRI

Resource links provided by NLM:

Further study details as provided by Merck Sharp & Dohme Corp.:

Primary Outcome Measures:
  • Accrual rate of new GD-enhancing lesions as assessed by MRI [ Time Frame: 3 Months ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Volume and cumulative number of new persistent Gd-enhancing lesions [ Time Frame: 3 Months ] [ Designated as safety issue: No ]

Enrollment: 120
Study Start Date: August 2004
Primary Completion Date: January 2006 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years to 55 Years   (Adult)
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients must have clinically definite relapsing-remitting MS onset within last 10 years and have had at least 1 objective clinical exacerbation in the last year OR a recent clinically isolated syndrome suggestive of MS occurring 3-12 months before screening
  • Patients must be relatively healthy

Exclusion Criteria:

  • Patient has primary progressive MS
  Contacts and Locations
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Please refer to this study by its ClinicalTrials.gov identifier: NCT00239655

Sponsors and Collaborators
Merck Sharp & Dohme Corp.
Study Director: Medical Monitor Merck Sharp & Dohme Corp.
  More Information

Responsible Party: Executive Vice President, Clinical and Quantitative Sciences, Merck & Co., Inc.
ClinicalTrials.gov Identifier: NCT00239655     History of Changes
Other Study ID Numbers: 2005_087  MK0812-003 
Study First Received: October 13, 2005
Last Updated: May 14, 2008
Health Authority: United States: Food and Drug Administration

Additional relevant MeSH terms:
Multiple Sclerosis
Multiple Sclerosis, Relapsing-Remitting
Pathologic Processes
Demyelinating Autoimmune Diseases, CNS
Autoimmune Diseases of the Nervous System
Nervous System Diseases
Demyelinating Diseases
Autoimmune Diseases
Immune System Diseases

ClinicalTrials.gov processed this record on July 24, 2016