Active Platelet 5-HT Uptake in Depressives Treated with Impramine and ECT

Several studies have reported decreased platelet 5-HT uptake in patients of major depression. The present study was undertaken with the aim to study the active platelet 5-HT uptake in depressed patients and effect of treatment with imipramine/ECT on platelet 5-HT uptake in these patients. 30 patients of major depression and equal number of age and sex-matched controls were included in the study. The depressives received imipramine (N=15) or ECT (N=15). Pretreatment active platelet 5-HT uptake was lower in depressives. Treatment with imipramine resulted in significant decrease in 5-HT uptake while with ECT there was significant increase. The serotonergic mechanisms are discussed.