Obesity

Tirzepatide for Weight Reduction in Chinese Adults With Obesity: The SURMOUNT-CN Randomized Clinical Trial

JAMAPublished Randomised controlled trial

An erratum to this article was published (JAMA, 20 Aug 2024 ↗)

Authors' conclusion

In Chinese adults with obesity or overweight, once-weekly treatment with tirzepatide 10 mg or 15 mg resulted in statistically significant and clinically meaningful weight reduction with an acceptable safety profile.

Study context

Population
Chinese adults (≥18 years) with body mass index (BMI) ≥28, or ≥24 with ≥1 weight-related comorbidity, excluding diabetes; 29 centers in China, September 2021 to December 2022201 completed
Participants
210 adults
Comparison
Once-weekly SC tirzepatide 10 mg or 15 mg vs placebo, plus lifestyle intervention, for 52 weeks
  • Tirzepatide 10 mgn = 70
  • Tirzepatide 15 mgn = 71
  • Placebon = 69reference
Primary endpoint
Co-primary: percent change in body weight from baseline and weight reduction of ≥5%
Follow-up
Week 52
Methodological detailsdouble-blind, placebo-controlled, phase 3, multicentre (29 centers in China)
  • Double-blind
  • Placebo-controlled
  • Phase 3
  • Multicentre (29 centers in China)

Primary result

As reported in the abstract

Mean change in body weight

Tirzepatide 10 mg

−13.6%

mean · 95% CI −15.8%–-11.4%

Tirzepatide 15 mg

−17.5%

mean · 95% CI −19.7%–-15.3%

Placebo

−2.3%

mean

Each group vs placeboDifference (95% CI)P value
Tirzepatide 10 mg
−11.3%(−14.3% to −8.3%)
P < 0.001
Tirzepatide 15 mg
−15.1%(−18.2% to −12.1%)
P < 0.001

Further findings

Co-primary: body weight reduction ≥5% · week 52 — Tirzepatide 10 mg vs Placebo · intention-to-treat

P < 0.001 for comparisons with placebo

OutcomeP value
Co-primary: body weight reduction ≥5% · week 52Tirzepatide 15 mg vs Placebo · intention-to-treatP < 0.001 for comparisons with placebo

Safety

Treatment-emergent adverse events

Events leading to treatment discontinuation
<5%
Most frequent TEAEs with tirzepatide were gastrointestinal, mostly mild to moderate

Original publication

Tirzepatide for Weight Reduction in Chinese Adults With Obesity: The SURMOUNT-CN Randomized Clinical Trial. JAMA. Published 20 August 2024. doi:10.1001/jama.2024.9217

Composed by AI from the published abstract and checked against it. How Briefs are made →

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