NCT00722371

Brief Summary

A study to evaluate the efficacy and safety of sitagliptin and pioglitazone co-administration in comparison with sitagliptin and pioglitazone monotherapy in patients with type 2 diabetes.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
1,615

participants targeted

Target at P75+ for phase_3 type-2-diabetes-mellitus

Timeline
Completed

Started Sep 2008

Longer than P75 for phase_3 type-2-diabetes-mellitus

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 22, 2008

Completed
3 days until next milestone

First Posted

Study publicly available on registry

July 25, 2008

Completed
1 month until next milestone

Study Start

First participant enrolled

September 5, 2008

Completed
2.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 26, 2010

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 25, 2011

Completed
7 months until next milestone

Results Posted

Study results publicly available

October 17, 2011

Completed
Last Updated

May 12, 2017

Status Verified

April 1, 2017

Enrollment Period

2.1 years

First QC Date

July 22, 2008

Results QC Date

September 9, 2011

Last Update Submit

April 7, 2017

Conditions

Outcome Measures

Primary Outcomes (2)

  • Change From Baseline in Hemoglobin A1C (A1C) at Week 24

    A1C represents the percentage of glycosylated hemoglobin.

    Baseline and Week 24

  • Change From Baseline in A1C at Week 54

    A1C represents the percentage of glycosylated hemoglobin.

    Baseline and Week 54

Secondary Outcomes (4)

  • Change From Baseline in Fasting Plasma Glucose (FPG) at Week 24

    Baseline and Week 24

  • Change From Baseline in 2-Hour Post-meal Glucose (PMG) at Week 24

    Baseline and Week 24

  • Change From Baseline in FPG at Week 54

    Baseline and Week 54

  • Change From Baseline in 2-Hour PMG at Week 54

    Baseline and Week 54

Study Arms (7)

Sitagliptin 100 mg

EXPERIMENTAL
Drug: Sitagliptin phosphateDrug: Matching placebo to pioglitazoneDrug: Metformin

Pioglitazone 15 mg

EXPERIMENTAL
Drug: Pioglitazone hydrochlorideDrug: Matching placebo to sitagliptinDrug: Metformin

Pioglitazone 30 mg

EXPERIMENTAL
Drug: Pioglitazone hydrochlorideDrug: Matching placebo to sitagliptinDrug: Metformin

Pioglitazone 45 mg

EXPERIMENTAL
Drug: Pioglitazone hydrochlorideDrug: Matching placebo to sitagliptinDrug: Metformin

Sitagliptin 100 mg/ Pioglitazone 15 mg

EXPERIMENTAL
Drug: Sitagliptin phosphateDrug: Pioglitazone hydrochlorideDrug: Metformin

Sitagliptin 100 mg/ Pioglitazone 30 mg

EXPERIMENTAL
Drug: Sitagliptin phosphateDrug: Pioglitazone hydrochlorideDrug: Metformin

Sitagliptin 100 mg/ Pioglitazone 45 mg

EXPERIMENTAL
Drug: Sitagliptin phosphateDrug: Pioglitazone hydrochlorideDrug: Metformin

Interventions

Sitagliptin 100 mg tablet (blinded) orally once daily for 54 weeks.

Also known as: Januvia, Tesavel, Xelevia, Ristaben
Sitagliptin 100 mgSitagliptin 100 mg/ Pioglitazone 15 mgSitagliptin 100 mg/ Pioglitazone 30 mgSitagliptin 100 mg/ Pioglitazone 45 mg

Pioglitazone 15 mg, 30 mg, or 45 mg tablets or capsules (blinded) orally once daily for 54 weeks. Participants randomized to receive pioglitazone 45 mg as monotherapy or in combination with sitagliptin were to start on pioglitazone 30 mg at Week 1 and undergo uptitration to pioglitazone 45 mg at Week 4.

Also known as: Actos
Pioglitazone 15 mgPioglitazone 30 mgPioglitazone 45 mgSitagliptin 100 mg/ Pioglitazone 15 mgSitagliptin 100 mg/ Pioglitazone 30 mgSitagliptin 100 mg/ Pioglitazone 45 mg

Matching placebo to sitagliptin orally once daily for 54 weeks.

Pioglitazone 15 mgPioglitazone 30 mgPioglitazone 45 mg

Matching placebo to pioglitazone tablets or capsules orally once daily for 54 weeks.

Sitagliptin 100 mg

Metformin 500 mg (open-label) was to be initiated as rescue therapy to participants not meeting specific glycemic goals. The dose of metformin may have been uptitrated and adjusted, at the discretion of the investigator, up to the maximum approved dose in the country of origin.

Pioglitazone 15 mgPioglitazone 30 mgPioglitazone 45 mgSitagliptin 100 mgSitagliptin 100 mg/ Pioglitazone 15 mgSitagliptin 100 mg/ Pioglitazone 30 mgSitagliptin 100 mg/ Pioglitazone 45 mg

Eligibility Criteria

Age18 Years - 78 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patient is highly unlikely to conceive
  • Patient meets one of the 3 categories is naïve to all antihyperglycemic agent (AHA) therapies, or is non-naïve based upon the patient's current diet, medical regimen and screening A1c patient is currently not on AHA with a screening A1c \>=7.5 % and =\<11.0 % patient is currently on either metformin pr sulfonylurea monotherapy with a screening A1c \>=7.0 % and =\<9.0 %

You may not qualify if:

  • Patient has a history of type 1 diabetes mellitus or history of ketoacidosis or has C=peptide value of =\<0.8 ng/mL
  • Patient has previously been treated with insulin, thiazolidinedione (TZD) (rosiglitazone or pioglitazone), any Dipeptidyl peptidase-4 (DPP-4) inhibitor (sitagliptin, vildagliptin, or alogliptin), exenatide or has previously been in a clinical study with any DPP-4 inhibitor or incretin mimetic
  • Patient is on a weight loss program and is not in the maintenance phase or has started a weight loss medication (e.g. orlistat or sibutramine) within the prior 8 weeks
  • Patient has undergone surgery within the prior 30 days or has major surgery planned during the study
  • Patient has a medical history of active liver disease including chronic active hepatitis B or C or symptomatic gallbladder disease including primary biliary cirrhosis
  • Patient has received treatment with an investigational product within 12 weeks prior to Visit 1

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • Henry RR, Staels B, Fonseca VA, Chou MZ, Teng R, Golm GT, Langdon RB, Kaufman KD, Steinberg H, Goldstein BJ. Efficacy and safety of initial combination treatment with sitagliptin and pioglitazone--a factorial study. Diabetes Obes Metab. 2014 Mar;16(3):223-30. doi: 10.1111/dom.12194. Epub 2013 Aug 29.

MeSH Terms

Conditions

Diabetes Mellitus, Type 2

Interventions

Sitagliptin PhosphatePioglitazoneMetformin

Condition Hierarchy (Ancestors)

Diabetes MellitusGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System Diseases

Intervention Hierarchy (Ancestors)

TriazolesAzolesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsPyrazinesThiazolidinedionesThiazolesSulfur CompoundsOrganic ChemicalsBiguanidesGuanidinesAmidines

Results Point of Contact

Title
Senior Vice President, Global Clinical Development
Organization
Merck Sharp & Dohme Corp

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 22, 2008

First Posted

July 25, 2008

Study Start

September 5, 2008

Primary Completion

October 26, 2010

Study Completion

March 25, 2011

Last Updated

May 12, 2017

Results First Posted

October 17, 2011

Record last verified: 2017-04

Data Sharing

IPD Sharing
Will share

http://www.merck.com/clinical-trials/pdf/Merck%20Procedure%20on%20Clinical%20Trial%20Data%20Access%20Final\_Updated%20July\_9\_2014.pdf http://engagezone.msd.com/ds\_documentation.php