Obesity Clinical Trial - An RCT of Metformin Vs Orlistat in Obese

Status Completed

Clinical Trial Summary

This study aims to investigate the role of the weight reduction agent, Orlistat compared to the Metformin for the management of women who are obese and do not ovulate or have difficulty conceiving. Patients will receive either one of these medications and will be monitored at regular intervals with hormone blood tests and ultrasound scans in order to study the effect of the medications on the reproductive functions. Patients will receive the medications for three months and the study will end if the patient becomes pregnant. The study also aims to investigate the dose of metformin that should be used as there is no consensus to date regarding the optimum dosage for this drug

Clinical Trial Description

We aim to recruit 40 patients suffering from anovulatory obesity with a BMI of 30 or more. Patients will be included from all ethnic groups. Patients will have a baseline history, clinical examination, hormonal profile (FSH/LH, fasting Insulin/glucose ratio, androgen profile, day 21 serum progesterone, serum leptin and ghrelin levels) ultrasound examination (ovarian volume and antral follicle count), including Doppler blood flow study (ovarian stromal velocity, PI, RI, SD ratio and power Doppler) Participants will then be randomised to receive either metformin or orlistat. Patients receiving orlistat will receive the standard dose of the drug as recommended in the BNF. Metformin will be given in an incremental dose starting at 1000mg per day and increased at 4 weekly intervals to 2000mg/d, depending on the occurrence of any gastrointestinal intolerance. The endocrinological and ultrasound investigations will be repeated at 4 weekly intervals. Both groups will be given a standard exercise and diet program in conjunction with medical treatment. The clinical endpoint will be the achievement of conception, a Body Mass Index of less than 30, or completion of a 3-month course of treatment. Study design: A randomised controlled open label clinical trial. Participants be randomised using a computer generated randomisation program available at the pharmacy of the Jessop Wing, into either one of two arms: metformin or orlistat. The randomisation will be stratified in order to achieve a homogenous distribution of PCOS and non-PCOS patients in both arms of the study. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00292799
Study type	Interventional
Source	Sheffield Teaching Hospitals NHS Foundation Trust
Contact
Status	Completed
Phase	N/A
Start date	February 2006
Completion date	February 2008

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

An RCT of Metformin Vs Orlistat in Obese Anovulatory Women

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms