Changes in Weight During Treatment for Depression

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Abstract
Changes in appetite and weight were examined in a group of 47 carefully diagnosed primary depressives who were treated in a random design with either placebo (N17) or amitriptyline (N30) over a 35 day protocol. While the amitriptyline-treated group as a whole showed a greater gain in weight than did the placebo group (4.5 vs. 0.5 lb, P < 0.05), no differential effects could be demonstrated between drug responders and nonresponders. While a consistent relationship between the self-report of decreased appetite and final weight change was noted in the placebo group, no simple relationship between final weight change and self-reported changes in appetite were apparent in the drug-treated patients. There was a relationship between the report of decreased appetite and clinical severity of depression in the drug nonresponder subgroup despite significant weight gain during the protocol. Weight change during this study period did not appear to show a simple relationship to corresponding clinical change. The clinical lore that has supported the notion that increased appetite and weight gain in patients being treated with tricyclic antidepressants are good signs was not confirmed.

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