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A Randomized, Double-Blind, Placebo-Controlled Phase 2 Trial to Assess Efficacy, Safety, and Tolerability of RO7204239 in Combination with Tirzepatide in Participants with Obesity or Overweight with at least One Weight-Related Comorbidity

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-519561-22-00
Acronym
BC45538
Enrollment
78
Registered
2025-06-09
Start date
2025-07-07
Completion date
Unknown
Last updated
2025-09-26

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 from baseline at Week 48

Detailed description

Change from baseline at Week 48 Absolute change in body weight (kg), Change from baseline at Week 48 Change in body mass index (BMI) (kg/m2), Change from baseline at Week 48 Waist-to-height ratio, Change from baseline at Week 48 Waist circumference, Change from baseline at Week 48 in Total body fat mass (kg and %) by dual-energy x-ray absorptiometry (DXA), Change from baseline at Week 48 in Total lean body mass (kg and %) by DXA, Change from baseline at Week 48 in Appendicular lean mass (kg and %) by DXA, Change from baseline at Week 48 in Muscle volume (%) by magnetic resonance imaging (MRI), Change from baseline at Week 48 in Muscle fat infiltration (%) by MRI, Change from baseline at Week 48 in the following markers Glucose metabolism: glycated hemoglobin (HbA1c), fasting plasma glucose, fasting C-peptide, and fasting insulin; Homeostasis Model Assessment of Insulin Resistance (HOMA-IR); Quantitative Insulin Sensitivity Check Index (QUICKI), Change from baseline at Week 48 in the following markers Fasting lipid profile: total cholesterol, triglycerides, low-density lipoprotein (LDL), high-density lipoprotein (HDL), non-HDL cholesterol, Incidence, severity, and causal relationship of AEs as reported by the Investigator, with severity determined according to National Cancer Institute Common Terminology Criteria for Adverse Events v5.0 (NCI CTCAE, v5.0), Change from baseline in vital signs, physical findings, ECG, and clinical laboratory results, Incidence of local and systemic injection reactions, Incidence of abnormal laboratory findings, Incidence of abnormal ECG parameters, Incidence of abnormal vital signs, Serum concentrations of RO7204239 at specified timepoints, PK parameters of RO7204239 including Ctrough,ss and t1/2 (if appropriate), Estimated PK parameters of RO7204239 using a population-PK model including AUCtau,ss, Cmax,ss, CL/F, and Vd/F, Prevalence of anti-drug antibodies (ADAs) at baseline and incidence of ADAs during the study

Interventions

Sponsors

F. Hoffmann-La Roche AG
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Percent (%) change in body weight from baseline at Week 48

Secondary

MeasureTime frame
Change from baseline at Week 48 Absolute change in body weight (kg), Change from baseline at Week 48 Change in body mass index (BMI) (kg/m2), Change from baseline at Week 48 Waist-to-height ratio, Change from baseline at Week 48 Waist circumference, Change from baseline at Week 48 in Total body fat mass (kg and %) by dual-energy x-ray absorptiometry (DXA), Change from baseline at Week 48 in Total lean body mass (kg and %) by DXA, Change from baseline at Week 48 in Appendicular lean mass (kg and %) by DXA, Change from baseline at Week 48 in Muscle volume (%) by magnetic resonance imaging (MRI), Change from baseline at Week 48 in Muscle fat infiltration (%) by MRI, Change from baseline at Week 48 in the following markers Glucose metabolism: glycated hemoglobin (HbA1c), fasting plasma glucose, fasting C-peptide, and fasting insulin; Homeostasis Model Assessment of Insulin Resistance (HOMA-IR); Quantitative Insulin Sensitivity Check Index (QUICKI), Change from baseline at Week 48

Countries

Poland, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026