SEMAGLUTIDE considerably improved measures of motivation in sufferers with main depressive dysfunction in a 2026 secondary evaluation of a randomised medical trial.1
A Landmark Evaluation
The research is the primary to analyse the impact of glucagon-like peptide-1 receptor agonists on reward behaviours in folks with main depressive dysfunction, researchers reported.
Within the 16-week, double-blind randomised medical trial, 72 individuals with main depressive dysfunction diagnoses and BMIs of no less than 25 have been randomised to oral semaglutide or placebo cohorts.
Individuals have been recruited type the Temper Problems Psychopharmacology Unit, College Well being Community, Toronto, USA, and enrolled between 14th March 2022 and 26th July 2024.
There have been 35 individuals within the oral semaglutide group and 27 within the placebo, with an roughly equal gender break up.
The oral semaglutide cohort was prescribed 14 mg (beginning at 4 mg and titrated over 4 weeks) on high of their normal therapy.
Improved Measures of Motivation
Individuals taking oral semaglutide confirmed patterns of elevated willingness to exert bodily efforts, with increased anticipated values of reward.
Researchers reported that computational modelling revealed that the noticed behavioural results of semaglutide resulted from decrease ranges of effort discounting – folks’s tendency to devalue rewards as the quantity of required effort will increase.2
Sensitivity to effort was considerably decreased by oral semaglutide therapy however the remedy didn’t alter how individuals reacted to odds or uncertainty.
Implications for Neuropsychiatric Therapy
Researchers highlighted that semaglutide’s discount in perceived value of effort, and corresponding improve in motivation, holds promising implications for the therapy of neuropsychiatric problems, significantly these characterised by reward dysfunctions.
Findings nonetheless require bigger research, throughout larger and broader pattern sizes, they added.
References
1 Gill H et al. Semaglutide and effort-based decision-making in main depressive dysfunction: a randomised medical trial. 2026;DOI:10.1001/jamapsychiatry.2026.0594.
2 Ostaszewski P et al. Bodily and cognitive effort discounting of hypothetical financial rewards. Jpn Psychol Res. 2013;55(4):329–337.
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