This study will examine the safety and efficacy of the addition of sitagliptin (MK0431)
compared to placebo in patients with type 2 diabetes mellitus with inadequate glycemic
control who are taking pioglitazone and metformin.
Minimum age: 18 Years.
Maximum age: 78 Years.
Gender(s): Both.
Inclusion Criteria:
- Patient has type 2 diabetes and is at least 18 years of age and no older than 78
years of age
- Patient is male or is a female who is unlikely to conceive children
- Patient is on stable doses of a PPARg agonist and metformin OR metformin and a
sulfonylurea agent
Exclusion Criteria:
- Patient has Type 1 diabetes
- Patient has taken a DPP-4 inhibitor or a GLP-1 analogue
- Patient is on a weight loss program that is not in the maintenance phase or has
started a weight loss medication within 8 weeks of screening
- Patient has had surgery within 30 days of screening or has major surgery planned
during the study
- Patient is on or is likely to require treatment with corticosteroids for more than 2
weeks
- Patient has a history of active liver disease, including hepatitis B or C, cirrhosis,
or gallbladder disease
- Patient is HIV positive
- Patient has congestive heart failure, or has had new or worsening symptoms of
coronary heart disease within 3 months prior to screening
- Patient has had acute coronary syndrome, coronary artery intervention, or stroke
within 3 months of screening
- Patient has severe active peripheral vascular disease
- Patient has a history of cancer or blood disorder
- Patient is pregnant or breast feeding
Merck Sharp & Dohme (I.A.) Corp., San Jose, Costa Rica; Recruiting
Patricia Salazar, Phone: 506-2210-0116
Merck Sharp & Dohme (New Zealand) Ltd.,, Auckland, New Zealand; Recruiting
David Woolner, Phone: 64-9523-6075
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Aneta Sokolova, Phone: 359 2 963 1076
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Jorge Gonzalez-Esteban, Phone: 34-91-3210-728
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Beverley Cowper, Phone: 27 11 655-3036
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Jane Lin, Phone: 862-1639-15522
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