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A Study to Test the Safety and Efficacy of Adding Sitagliptin in Patients With Type 2 Diabetes Mellitus
This study is currently recruiting participants.
Verified by Merck, January 2009
Sponsored by: Merck
Information provided by: Merck
ClinicalTrials.gov Identifier: NCT00813995
  Purpose

A study to assess the safety and efficacy of the addition of sitagliptin compared to placebo in patients with Type 2 Diabetes Mellitus who have inadequate glycemic control on metformin.


Condition Intervention Phase
Type 2 Diabetes Mellitus
Drug: Comparator: sitagliptin phosphate
Drug: Comparator: Placebo
Phase III

MedlinePlus related topics: Diabetes
Drug Information available for: Metformin Metformin hydrochloride Sitagliptin phosphate Sitagliptin
U.S. FDA Resources
Study Type: Interventional
Study Design: Treatment, Randomized, Double Blind (Subject, Investigator), Placebo Control, Parallel Assignment, Safety/Efficacy Study
Official Title: A Phase III, Multicenter, Double-Blind, Placebo-Controlled, Randomized Study to Evaluate the Safety and Efficacy of the Addition of Sitagliptin 100 mg Once Daily in Patients With Type 2 Diabetes With Inadequate Glycemic Control on Metformin Monotherapy

Further study details as provided by Merck:

Primary Outcome Measures:
  • Assess the effect of the addition of sitagliptin compared with placebo on HbA1c. [ Time Frame: 24 Weeks ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Assess the effect of the addition of sitagliptin compared with placebo on 2 hour post meal glucose and fasting plasma glucose. [ Time Frame: 24 Weeks ] [ Designated as safety issue: No ]

Estimated Enrollment: 400
Study Start Date: January 2009
Estimated Study Completion Date: June 2010
Estimated Primary Completion Date: June 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
1: Experimental
sitagliptin phosphate
Drug: Comparator: sitagliptin phosphate
All patients will receive placebo tablets two weeks prior to treatment period. Patients will receive Sitagliptin phosphate 100 mg tablets q.d. and continue on stable dose of metformin therapy. Treatment period of 24 weeks.
2: Placebo Comparator
Placebo
Drug: Comparator: Placebo
All patients will receive placebo tablets two weeks prior to treatment period. Patients will receive placebo Sitagliptin phosphate placebo tablets q.d. and continue on stable dose of metformin therapy. Treatment period of 24 weeks.

  Eligibility

Ages Eligible for Study:   18 Years to 78 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • 18 - 78 years of age
  • Currently on metformin monotherapy

Exclusion Criteria:

  • History of Type 1 diabetes mellitus or ketoacidosis
  • Currently on a weight loss program and not in the maintenance phase or has started on a weight loss medication within the last 8 weeks
  • Have undergone surgery requiring general anesthesia within the past 4 weeks or has planned major surgery
  • Currently participating in a study or have participated in a study with or without an investigational compound or device within the past 12 weeks
  • History of active liver disease such as chronic active hepatitis B or C, cirrhosis or symptomatic gallbladder disease
  • HIV positive
  • Pregnant, breast-feeding or planning to become pregnant during the study
  • User of recreational or illicit drugs or have a recent history (within the past year) of drug or alcohol abuse or dependence
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00813995

Locations
China
Merck Sharp & Dohme (China) Ltd. Recruiting
Beijing, China, 100738
Contact: Jane Lin     86-21-6391-5522        
Sponsors and Collaborators
Merck
Investigators
Study Director: Medical Monitor Merck
  More Information

MedWatch - FDA maintained medical product safety Information  This link exits the ClinicalTrials.gov site
PhRMA Clinical Study Results Database - web-based repository for clinical study results  This link exits the ClinicalTrials.gov site
Merck: Patient & Caregiver U.S. Product Web Site  This link exits the ClinicalTrials.gov site

Responsible Party: Merck & Co., Inc. ( Executive Vice President, Clinical and Quantitative Sciences )
Study ID Numbers: 2008_601, MK0431-074
Study First Received: December 19, 2008
Last Updated: January 12, 2009
ClinicalTrials.gov Identifier: NCT00813995  
Health Authority: China: Ministry of Health

Study placed in the following topic categories:
Metabolic Diseases
Metformin
Diabetes Mellitus, Type 2
Diabetes Mellitus
Endocrine System Diseases
Endocrinopathy
Metabolic disorder
Glucose Metabolism Disorders
Sitagliptin

Additional relevant MeSH terms:
Dipeptidyl-Peptidase IV Inhibitors
Hypoglycemic Agents
Molecular Mechanisms of Pharmacological Action
Physiological Effects of Drugs
Enzyme Inhibitors
Pharmacologic Actions
Protease Inhibitors

ClinicalTrials.gov processed this record on January 13, 2009