we have retrospectively analyzed the results of the pooled data from three 6-week placebo controlled double blind phase iii clinical trials , initially designed to assess the efficacy of newer antidepressants , in order to study the relationship of early onset improvement with later outcome in 145 depressed outpatients receiving placebo ( n = 98 ) or imipramine ( n = 47 ) .
C0003289
antidepressants
C0020934
imipramine