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A Phase 3, Randomized, Active- and Placebo-Controlled, Partially-Blinded Study to Compare the Efficacy and Safety of KAI-9531 Administered Once Weekly Versus Semaglutide and Placebo in Participants Living with Obesity Who Do Not Have Diabetes

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-523511-11-00
Enrollment
126
Registered
2026-04-29
Start date
Unknown
Completion date
Unknown
Last updated
2026-04-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obesity

Brief summary

Percent change in body weight (kg) from baseline at Week 76

Detailed description

controlled for Type I error From baseline at Week 76 Percentage of participants with ≥5%,≥10%, ≥15%, ≥20%, and ≥25% reduction in body weight (kg) Change in waist circumference (cm) Change in absolute body weight (kg), controlled for Type I error From baseline at Week 76 Percentage of participants with ≥5% reduction in body weight (kg) Change in - SBP − Triglycerides (mg/dL) − HDL-cholesterol (mg/dL) − Non-HDL-cholesterol (mg/dL) Change in WQOL-LiteCT Physical function composite score, not controlled for Type I error from baseline at Week 76: • Percentage of participants with ≥30% reduction in body weight (kg) • Change in BMI (kg/m2) • Change in: − CoEQ Craving Control score − Positive Mood score − Craving for Sweets score − Craving for Savory food score − Hunger score − Satiety score − Combined score • Change in FNQ score, not controlled for Type I error Number ofTEAEs, not controlled for Type I error ADA NAb, not controlled for Type I error Concentrations of KAI-9531

Interventions

Sponsors

Kailera Therapeutics Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Percent change in body weight (kg) from baseline at Week 76

Secondary

MeasureTime frame
controlled for Type I error From baseline at Week 76 Percentage of participants with ≥5%,≥10%, ≥15%, ≥20%, and ≥25% reduction in body weight (kg) Change in waist circumference (cm) Change in absolute body weight (kg), controlled for Type I error From baseline at Week 76 Percentage of participants with ≥5% reduction in body weight (kg) Change in - SBP − Triglycerides (mg/dL) − HDL-cholesterol (mg/dL) − Non-HDL-cholesterol (mg/dL) Change in WQOL-LiteCT Physical function composite score, not controlled for Type I error from baseline at Week 76: • Percentage of participants with ≥30% reduction in body weight (kg) • Change in BMI (kg/m2) • Change in: − CoEQ Craving Control score − Positive Mood score − Craving for Sweets score − Craving for Savory food score − Hunger score − Satiety score − Combined score • Change in FNQ score, not controlled for Type I error Number ofTEAEs, not controlled for Type I error ADA NAb, not controlled for Type I error Concentrations of KAI-9531

Outcome results

None listed

Source: EU CTIS · Data processed: Apr 30, 2026