Obesity

Effect of semaglutide 2.4 mg on physical functioning and weight‐ and health‐related quality of life in adults with overweight or obesity: Patient‐reported outcomes from the STEP 1–4 trials

Diabetes Obes MetabPublished Secondary analysis of the STEP 1–4 randomised trials

An erratum to this article was published (Diabetes Obes Metab, Mar 2025 ↗)

Authors' conclusion

Semaglutide 2.4 mg significantly improved physical functioning, with greater proportions of participants achieving MWPC compared with placebo, and showed beneficial effects on WRQOL and HRQOL beyond physical functioning.

Study context

Population
Individuals with overweight/obesity
Comparison
Semaglutide 2.4 mg vs placebo
Primary endpoint
Physical functioning (confirmatory secondary endpoint): change from baseline in IWQOL-Lite-CT (STEP 1 and 2) and SF-36v2 (STEP 1-4) scores
Follow-up
Week 68
Methodological detailsPhase 3a, double-blind, 68-week
  • Phase 3a
  • Double-blind
  • 68-week

Primary result

As reported in the abstract

IWQOL-Lite-CT Physical Function meaningful within-person change (MWPC), STEP 1: semaglutide 2.4 mg vs placebo
51.8% vs. 28.3%; p < 0.0001
IWQOL-Lite-CT Physical Function MWPC, STEP 2: semaglutide 2.4 mg vs placebo
39.6% vs. 29.5%; p = 0.0083
SF-36v2 Physical Functioning MWPC, STEP 1: semaglutide 2.4 mg vs placebo
39.8% vs. 24.1%; p < 0.0001
SF-36v2 Physical Functioning MWPC, STEP 2: semaglutide 2.4 mg vs placebo
41.0% vs. 27.3%; p = 0.0005
SF-36v2 Physical Functioning MWPC, STEP 4: semaglutide 2.4 mg vs placebo
18.0% vs. 6.6%; p < 0.0001

Secondary outcomes

Other IWQOL-Lite-CT and SF-36v2 scale scores · Week 68

All other scale scores in STEP 1-4 numerically improved with semaglutide 2.4 mg vs placebo, except SF-36v2 Role Emotional in STEP 2

Original publication

Effect of semaglutide 2.4 mg on physical functioning and weight‐ and health‐related quality of life in adults with overweight or obesity: Patient‐reported outcomes from the STEP 1–4 trials. Diabetes Obes Metab. Published 2 May 2024. doi:10.1111/dom.15620

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