Obesity

Anti-obesity medication for weight loss in early nonresponders to behavioral treatment: a randomized controlled trial

Nat MedPublished Randomised controlled trial

Primary result · % weight reduction from randomizationResult — go to the resultMean difference 3.1 % 95% CI 1.1–5.1

Authors' conclusion

Stepping up early BT nonresponders to BT + AOM improves their 24-week weight loss.

Study context

Population
Adults with BMI ≥31 kg m-2 (≥28 kg m-2 with obesity-related comorbidity) who lost <2.0% of initial weight in a 4-week behavioral treatment (BT) run-in (early nonresponders)147 in run-in
Participants
76 adults
Comparison
BT plus AOM vs BT plus placebo in early nonresponders to BT
  • BT + AOMn = 38
  • BT + Pn = 38reference
Primary endpoint
Weight loss (% reduction in weight) from randomization
Follow-up
Week 24
Methodological detailsdouble-blind, placebo-controlled, proof-of-principle
  • Double-blind
  • Placebo-controlled
  • Proof-of-principle

Primary result

% weight reduction from randomization

Mean difference

3.1 %

95% CI 1.1–5.1

P = 0.003

Change by group

BT + AOM

5.9

mean · SE 0.7 · %

BT + P

2.8

mean · SE 0.7 · %

BT + AOMvs BT + P
mean difference 3.1 % (95% CI 1.1–5.1); P = 0.003

As reported in the abstract

Original publication

Anti-obesity medication for weight loss in early nonresponders to behavioral treatment: a randomized controlled trial. Nat Med. Published 7 March 2025. doi:10.1038/s41591-025-03556-3

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