Last Updated: July 26, 2026

CLINICAL TRIALS PROFILE FOR SITAGLIPTIN PHOSPHATE

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All Clinical Trials for sitagliptin phosphate

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Trial ID	Title	Status	Sponsor	Phase	Start Date	Summary
NCT00086515 ↗	Metformin Add-on Study in Patients With Type 2 Diabetes Mellitus (0431-020)(COMPLETED)	Completed	Merck Sharp & Dohme Corp.	Phase 3	2004-06-30	The purpose of this study is to determine the safety and efficacy of an investigational drug in patients with type 2 diabetes mellitus.
NCT00127192 ↗	A Study of an Investigational Drug Sitagliptin for Type 2 Diabetes Mellitus (0431-044)	Completed	Merck Sharp & Dohme Corp.	Phase 2	2005-07-01	The purpose of this trial is to determine the efficacy and safety of an investigational drug in patients with type 2 diabetes mellitus.
NCT00289848 ↗	MK0431 Monotherapy Study in Patients With Type 2 Diabetes Mellitus (0431-040)	Completed	Merck Sharp & Dohme Corp.	Phase 3	2006-03-01	This is a clinical study to determine the safety and efficacy of an investigational drug in patients with type 2 diabetes mellitus.
NCT00305604 ↗	Study of Sitagliptin in Older Type 2 Diabetics (0431-047)(COMPLETED)	Completed	Merck Sharp & Dohme Corp.	Phase 3	2006-03-08	To evaluate the effect of treatment with sitagliptin compared to placebo in elderly patients with type 2 diabetes mellitus who have poor glycemic control with diet and exercise.
NCT00363519 ↗	Controlled Study of MK-0431/ONO-5435 in Patients With Type 2 Diabetes Mellitus	Completed	Ono Pharmaceutical Co. Ltd	Phase 3	2006-08-01	The purpose of this study is to determine the safety and efficacy of MK-0431/ONO-5435 in patients with Type 2 diabetes mellitus who have inadequate glycemic control on diet/exercise therapy and glimepiride as monotherapy
NCT00363844 ↗	Controlled Study of MK-0431/ONO-5435 in Patients With Type 2 Diabetes Mellitus	Completed	Ono Pharmaceutical Co. Ltd	Phase 3	2006-08-01	Determine the safety and efficacy of MK-0431/ONO-5435 in patients with Type 2 diabetes mellitus who have inadequate glycemic control on diet/exercise therapy
NCT00363948 ↗	Controlled Study of MK-0431/ONO-5435 in Patients With Type 2 Diabetes Mellitus	Completed	Ono Pharmaceutical Co. Ltd	Phase 3	2006-08-01	The purpose of this study is to determine the safety and efficacy of MK-0431/ONO-5435 in patients with Type 2 diabetes mellitus who have inadequate glycemic control on diet/exercise therapy and metformin as monotherapy
>Trial ID	>Title	>Status	>Sponsor	>Phase	>Start Date	>Summary

Clinical Trial Conditions for sitagliptin phosphate

Condition Name

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Condition Name for sitagliptin phosphate
Intervention	Trials
Type 2 Diabetes Mellitus	18
Type 2 Diabetes	8
Diabetes Mellitus, Type 2	5
Bioequivalence	4
[disabled in preview]	1
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Condition MeSH

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Condition MeSH for sitagliptin phosphate
Intervention	Trials
Diabetes Mellitus, Type 2	36
Diabetes Mellitus	32
Liver Failure	1
Hepatic Insufficiency	1
[disabled in preview]	1
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Clinical Trial Locations for sitagliptin phosphate

Trials by Country

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Trials by Country for sitagliptin phosphate
Location	Trials
United States	18
Mexico	5
Japan	3
China	3
Pakistan	1
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Trials by US State

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Trials by US State for sitagliptin phosphate
Location	Trials
Colorado	2
New York	2
Texas	1
Tennessee	1
South Carolina	1
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Clinical Trial Progress for sitagliptin phosphate

Clinical Trial Phase

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Clinical Trial Phase for sitagliptin phosphate
Clinical Trial Phase	Trials
PHASE4	1
PHASE3	1
Phase 4	4
[disabled in preview]	39
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Clinical Trial Status

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Clinical Trial Status for sitagliptin phosphate
Clinical Trial Phase	Trials
Completed	44
Unknown status	1
Terminated	1
[disabled in preview]	0
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Clinical Trial Sponsors for sitagliptin phosphate

Sponsor Name

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Sponsor Name for sitagliptin phosphate
Sponsor	Trials
Merck Sharp & Dohme Corp.	32
Galenicum Health	4
Ono Pharmaceutical Co. Ltd	3
[disabled in preview]	5
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Sponsor Type

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Sponsor Type for sitagliptin phosphate
Sponsor	Trials
Industry	41
Other	11
NETWORK	1
[disabled in preview]	0
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