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Metformin versus Insulin in the Management of Pre-Gestational Diabetes Mellitus in Pregnancy and Gestational Diabetes Mellitus at the Korle Bu Teaching Hospital: A Randomized Clinical Trial |
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| Authors: | Titus Beyuo Samuel Amenyi Obed Kenneth Kweku Adjepong-Yamoah Kwasi Agyei Bugyei Samuel Antwi Oppong Kissinger Marfoh |
| Institution: | 1Department of Obstetrics and Gynecology, Korle Bu Teaching Hospital, Accra, Ghana;2Department of Medicine and Therapeutics, Korle Bu Teaching Hospital and Department of Pharmacology, University of Ghana Medical School, Accra, Ghana;3Department of Pharmacology, University of Ghana Medical School, Accra, Ghana;4Public Health Unit, Korle Bu Teaching Hospital, Accra, Ghana;University, ITALY |
| Abstract: | ObjectiveTo determine if metformin monotherapy or metformin in combination with insulin is equally effective as insulin monotherapy at glycemic control in diabetes mellitus in pregnancy among Ghanaians.MethodsThis was a study involving 104 pregnant women with type 2 diabetes mellitus (T2DM) or gestational diabetes mellitus (GDM) at 20-30 weeks gestation. Participants were randomized into metformin and insulin treatment groups. Starting dose of metformin was 500 mg once a day and increased gradually over two (2) weeks, to meet glycemic targets. Insulin was added if targets could not be reached on metformin alone at maximum doses. Total daily dose of premixed insulin at initiation was calculated as 0.3 IU/kg body weight and titrated upwards to achieve glycemic control. Glycemic profile monitoring was done every two weeks.ResultsThe two hour post prandial blood glucose (2HPG) levels were significantly lower in the metformin group than the insulin group (p= 0.004).ConclusionThe findings of this study suggest that metformin monotherapy is effective in achieving glycemic targets in the management of diabetes in pregnancy. It is more effective than insulin in lowering the 2HPG level.Trial RegistrationAustralian New Zealand Clinical Trials Registry (ANZCTR) ACTRN12614000942651 |
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