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HERDIN Record #: NCR-JAFES-15022606325547 Submitted: 26 February 2015 Modified: 10 March 2015

INITIATE STUDY: Insulin versus Oral Hypoglycemic Agent as Initial Therapy for Newly Diagnosed Diabetes Mellitus Type 2: A Systematic Review and Meta-Analysis

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Methodology. This is a systematic review and meta-analysis of RCTs with quality grade B searched using the medical subject headings (MeSH):  diabetes mellitus type 2, insulin, oral hypoglycemic agent, with adults newly diagnosed with type 2 DM as subjects and given insulin (± metformin) vs. OHA. Results were summarized as graphs and forest plots using the random effects due to foreseen sources of heterogeneity using Review Manager version 5.1. 

Results. Presence of substantial heterogeneity prevents us from making a conclusion. All four studies showed lower post treatment BMI among participants in the insulin treatment arm. An opposite finding was expected as insulin is known to cause weight gain.  Main adverse effect was hypoglycemia.

Conclusion.  Among newly diagnosed type 2 DM patients, there is insufficient evidence for or against the use of insulin compared to oral hypoglycemic agents as initial management in terms of improvement in glycemic control, decrease in insulin resistance, and improvement in beta cell function.

This study aims to evaluate the effectiveness of initial insulin therapy versus oral hypoglycemic agents in glucose control among newly diagnosed Type 2 diabetes patients.


Publication Type
Publication Sub Type
Journal Article, Original
Journal of the ASEAN Federation of Endocrine Societies
Publication Date
November 2014


This study aims to evaluate the effectiveness of initial insulin therapy versus oral hypoglycemic agents in glucose control among newly diagnosed Type 2 diabetes patients.


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