Abstract：
BACKGROUND:Most antipsychotics are associated with weight gain and other metabolic complications. Several randomized trials have shown metformin to be effective, but this still hasn't been included in clinical guidelines on managing antipsychotic induced weight gain. METHODS:All double blind placebo controlled trials assessing the efficacy of metformin in the treatment of antipsychotic induced weight gain were included. Cochrane Central Register of Controlled Trials (CENTRAL) and MEDLINE were searched for the period January 2000-December 2015. Meta-analysis was carried out using the random effects model. RESULTS:Meta analysis of 12 published studies with a total of 743 patients found that in patients treated with antipsychotics, metformin treatment resulted in significantly better anthropometric and metabolic parameters than placebo. The mean change in weight was -3.27 kg (95 % CI -4.66 to -1.89) (Z = 4.64, p < 0.001). Metformin compared to placebo resulted in significant reduction in BMI [-1.13 kg/m2 (95 % CI -1.61 to -0.66)] and insulin resistance index [-1.49 (95 % CI -2.40 to -0.59)] but not fasting blood sugar [-2.48 mg/dl (95 % CI -5.54 to 0.57]. CONCLUSION:This meta-analysis confirms that metformin is effective in treating antipsychotic induced weight gain in patients with schizophrenia or schizoaffective disorder.
journal_name
BMC Psychiatryjournal_title
BMC psychiatryauthors
de Silva VA,Suraweera C,Ratnatunga SS,Dayabandara M,Wanniarachchi N,Hanwella Rdoi
10.1186/s12888-016-1049-5subject
Has Abstractpub_date
2016-10-03 00:00:00pages
341issue
1issn
1471-244Xpii
10.1186/s12888-016-1049-5journal_volume
16pub_type
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