CNAPT award for the best publication in medical science by the Sri Lanka Medical Association in 2015 for Metformin for treatment of antipsychotic-induced weight gain in a South Asian population with schizophrenia or schizoaffective disorder: A double blind, randomized, placebo controlled study in Journal of Psychopharmacology
De Silva V, Dayabandara M, Wijesundara H, Henegama T, Gunewardena H, Suraweera C, Hanwella R. Metformin for treatment of antipsychotic-induced weight gain in a South Asian population with schizophrenia or schizoaffective disorder: A double blind, randomized, placebo controlled study. J Psychopharmacol 29: 353–362 PMID: 26510448