Metformin Postpartum for GDM RCT for Reduced Weight Retention

NCT ID: NCT01280409

Last Updated: 2018-11-28

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

114 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-01-31

Study Completion Date

2014-08-31

Brief Summary

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The purpose of this study is to determine whether the study drug metformin is helpful in reducing weight after pregnancy in women with gestational diabetes. This pilot study will provide information on how well women are able to take metformin postpartum, whether metformin increases weight loss, and whether there are any increased risks of side effects to you as a new mother.

Detailed Description

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At 24-48 hours after delivery, women who are eligible for participation will be approached and consented to the study. Maternal weight will be measured and 20ml of maternal blood will be obtained to assess glucose control and lipid profile. Women will be counseled regarding diet, exercise and glucose control. Data including maternal demographics, clinical characteristics and neonatal outcomes will be collected. At 3 weeks postpartum, a research nurse will contact the subject via telephone call to inquire about adverse or side effects, ability to take the prescribed medication (metformin or placebo), and to answer questions about the study. At 6 weeks postpartum, maternal weight will be measured , blood will be obtained and side effects will be evaluated again. Finally, a satisfaction survey will be completed.

Conditions

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Diabetes, Gestational

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Placebo

Compounded placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Subjects will receive a placebo (similar in size, taste, color) once daily for 7 days, then twice daily for the next 5 weeks.

Metformin

Compounded metformin as the intervention

Group Type EXPERIMENTAL

Metformin

Intervention Type DRUG

Subjects will receive metformin 850 mg PO daily for 7 days, then metformin 850mg PO twice a day for the next 5 weeks

Interventions

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Metformin

Subjects will receive metformin 850 mg PO daily for 7 days, then metformin 850mg PO twice a day for the next 5 weeks

Intervention Type DRUG

Placebo

Subjects will receive a placebo (similar in size, taste, color) once daily for 7 days, then twice daily for the next 5 weeks.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Postpartum women with a delivery greater than 34 weeks of pregnancy
* Between the ages of 18 to 49 years
* Women with a diagnosis of gestational diabetes mellitus (either treated with insulin, oral hypoglycemic agent or diet-controlled) after 24 weeks in most recent pregnancy based on a confirmatory 3 hour glucola test (based on either the Carpenter and Coustan's of the Diabetes Task Force criteria)

Exclusion Criteria

* women with pre-gestational diabetes mellitus (either Type I or Type II DM)
* women unable to tolerate metformin based on patient history
* women who will be discharged hom eon insulin or oral hypoglycemic agent in the immediate postpartum period
* women with a BMI \<25 kg/m²
Minimum Eligible Age

18 Years

Maximum Eligible Age

49 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Gilstrap, Larry C, M.D.

INDIV

Sponsor Role collaborator

The University of Texas Health Science Center, Houston

OTHER

Sponsor Role lead

Responsible Party

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Jerrie Refuerzo

Associate Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Jerrie S Refuerzo, MD

Role: PRINCIPAL_INVESTIGATOR

The University of Texas Health Science Center, Houston

Locations

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Memorial Hermann Hospital, Texas Medical Center

Houston, Texas, United States

Site Status

University of Texas Health Science Center at Houston, Professional Building

Houston, Texas, United States

Site Status

Countries

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United States

Other Identifiers

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HSC-MS-10-0426

Identifier Type: -

Identifier Source: org_study_id

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