A Dose-Finding Study of RO4998452 in Patients With Diabetes Mellitus

NCT ID: NCT00800176

Last Updated: 2020-11-18

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

394 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-01-22

Study Completion Date

2009-10-28

Brief Summary

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This 6 arm study will evaluate the efficacy, safety and pharmacokinetics of 5 doses of RO4998452 compared to placebo in patients with type 2 diabetes mellitus. Patients will be randomized to one of 6 groups to receive RO4998452 at doses of 2.5mg, 5mg, 10mg, 20mg or 40mg po daily, or placebo daily. Patients pre-treated with stable metformin will continue to take their usual dose of metformin throughout the study.The anticipated time on study treatment is \<=3 months

Detailed Description

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Conditions

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Diabetes Mellitus Type 2

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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RO4998452 2.5mg

During the single-blind run-in period, two placebo capsules were taken in the morning approximately 15 minutes prior to breakfast. During the 12-week double-blind treatment period, two capsules were taken in the morning approximately 15 minutes prior to breakfast, except on the days of the meal tolerance test. The two capsules combined contained 2.5 mg of RO4998452.

Group Type EXPERIMENTAL

RO4998452

Intervention Type DRUG

2.5mg po daily for 12 weeks

RO4998452 20mg

During the single-blind run-in period, two placebo capsules were taken in the morning approximately 15 minutes prior to breakfast. During the 12-week double-blind treatment period, two capsules were taken in the morning approximately 15 minutes prior to breakfast, except on the days of the meal tolerance test. The two capsules combined contained 20 mg of RO4998452.

Group Type EXPERIMENTAL

RO4998452

Intervention Type DRUG

20mg po daily for 12 weeks

RO4998452 40mg

During the single-blind run-in period, two placebo capsules were taken in the morning approximately 15 minutes prior to breakfast. During the 12-week double-blind treatment period, two capsules were taken in the morning approximately 15 minutes prior to breakfast, except on the days of the meal tolerance test. The two capsules combined contained 40 mg of RO4998452.

Group Type EXPERIMENTAL

RO4998452

Intervention Type DRUG

40mg po daily for 12 weeks

RO4998452 5mg

During the single-blind run-in period, two placebo capsules were taken in the morning approximately 15 minutes prior to breakfast. During the 12-week double-blind treatment period, two capsules were taken in the morning approximately 15 minutes prior to breakfast, except on the days of the meal tolerance test. The two capsules combined contained 5 mg of RO4998452.

Group Type EXPERIMENTAL

RO4998452

Intervention Type DRUG

5mg po daily for 12 weeks

Placebo

During the single-blind run-in period, two placebo capsules were taken in the morning approximately 15 minutes prior to breakfast.

During the 12-week double-blind treatment period, two placebo capsules were taken in the morning approximately 15 minutes prior to breakfast, except on the days of the meal tolerance test.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

po daily for 12 weeks

RO4998452 10mg

During the single-blind run-in period, two placebo capsules were taken in the morning approximately 15 minutes prior to breakfast. During the 12-week double-blind treatment period, two capsules were taken in the morning approximately 15 minutes prior to breakfast, except on the days of the meal tolerance test. The two capsules combined contained 10 mg of RO4998452.

Group Type EXPERIMENTAL

RO4998452

Intervention Type DRUG

10mg po daily for 12 weeks

Interventions

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Placebo

po daily for 12 weeks

Intervention Type DRUG

RO4998452

2.5mg po daily for 12 weeks

Intervention Type DRUG

RO4998452

5mg po daily for 12 weeks

Intervention Type DRUG

RO4998452

10mg po daily for 12 weeks

Intervention Type DRUG

RO4998452

20mg po daily for 12 weeks

Intervention Type DRUG

RO4998452

40mg po daily for 12 weeks

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* adult patients, 18-75 years of age;
* type 2 diabetes, diagnosed for \>=3 months;
* either treated with diet, exercise and stable metformin, or with diet and exercise alone.

Exclusion Criteria

* type 1 diabetes mellitus;
* currently or within 2 months prior to screening treated with an oral or injectable anti-diabetic agent except stable doses of metformin;
* currently or within 6 months prior to screening treated with any PPARgamma agonist;
* uncontrolled hypertension;
* significant pre-diagnosed diabetic complications requiring treatment.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Hoffmann-La Roche

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Clinical Trials

Role: STUDY_DIRECTOR

Hoffmann-La Roche

Locations

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Phoenix, Arizona, United States

Site Status

Los Angeles, California, United States

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Palm Springs, California, United States

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Bradenton, Florida, United States

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Jacksonville, Florida, United States

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Atlanta, Georgia, United States

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Hayden Lake, Idaho, United States

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Rochester, New York, United States

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Greensboro, North Carolina, United States

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Midland, Texas, United States

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Richmond, Virginia, United States

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Adelaide, , Australia

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St Leonards, , Australia

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Fortaleza, , Brazil

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Goiânia, , Brazil

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São Paulo, , Brazil

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São Paulo, , Brazil

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Vancouver, British Columbia, Canada

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London, Ontario, Canada

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Toronto, Ontario, Canada

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Toronto, Ontario, Canada

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Montreal, Quebec, Canada

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Berlin, , Germany

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Falkensee, , Germany

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Lübeck, , Germany

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Mainz, , Germany

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Neuss, , Germany

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Hong Kong, , Hong Kong

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Hong Kong, , Hong Kong

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Fukuoka, , Japan

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Ibaraki, , Japan

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Kanagawa, , Japan

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Osaka, , Japan

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Saitama, , Japan

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Saitama, , Japan

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Tokyo, , Japan

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Tokyo, , Japan

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Jelgava, , Latvia

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Riga, , Latvia

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Talsi, , Latvia

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Valmiera, , Latvia

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Chihuahua City, , Mexico

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Guadalajara, , Mexico

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Guadalajara, , Mexico

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Mexico City, , Mexico

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Alba Iulia, , Romania

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Brasov, , Romania

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Bucharest, , Romania

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Bucharest, , Romania

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Bucharest, , Romania

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Bucharest, , Romania

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Târgu Mureş, , Romania

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Moscow, , Russia

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Moscow, , Russia

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Moscow, , Russia

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Nizhny Novgorod, , Russia

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Novosibirsk, , Russia

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S.petersburg, , Russia

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Saint Petersburg, , Russia

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Saint Petersburg, , Russia

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Saint Petersburg, , Russia

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Saint Petersburg, , Russia

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Saratov, , Russia

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Yaroslavl, , Russia

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Alzira, , Spain

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Lleida, , Spain

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Seville, , Spain

Site Status

Countries

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China United States Australia Brazil Canada Germany Hong Kong Japan Latvia Mexico Romania Russia Spain

Other Identifiers

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2008-001249-24

Identifier Type: -

Identifier Source: secondary_id

BC21587

Identifier Type: -

Identifier Source: org_study_id