A Study of Multiple Doses of Orally Administered RO7795081 in Otherwise Healthy Chinese Adult Participants With Obesity or Overweight

An Investigator- and Participant-Blind, Randomized, Placebo-Controlled, Parallel-Group, Phase I Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Multiple Doses of Orally Administered RO7795081 in Otherwise Healthy Chinese Adult Participants With Obesity or Overweight

This is an investigator- and participant-blind, randomized, placebo-controlled, parallel-group, Phase I study evaluating the safety, tolerability, pharmacokinetics, and pharmacodynamics of multiple doses of orally administered RO7795081 in otherwise healthy Chinese adult participants with obesity or overweight.

Study Overview

• Status: Active, not recruiting
• Conditions: Healthy Volunteers; Overweight or Obesity
• Intervention / Treatment: Drug: RO7795081; Drug: Placebo

• Study Type: Interventional
• Enrollment (Estimated): 30
• Phase: Phase 1

Contacts and Locations

Study Locations

• China
  • Nanjing, China
    • Nanjing Gulou Hospital
  • Shanghai, China, 200003
    • Ruijin Hospital Shanghai Jiaotong University School of Medicine

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: Adult; Older Adult
• Accepts Healthy Volunteers: Yes

Description

Inclusion Criteria:

• Participants who are healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, and cardiac monitoring
• Participants who are ethnically Chinese and living in mainland China
• Body mass index (BMI) ≥24 kg/m^2 at screening
• Agreement to adhere to the contraception requirements

Exclusion Criteria:

• Any medical condition or disease that could be expected to progress, recur, or change to such an extent that it could bias the assessment of the clinical or mental status of the participant to a significant degree or put the participant at special risk in the opinion of the Investigator. Such conditions may include clinically significantly impaired endocrine, thyroid, hepatic, respiratory, or renal function for any reason, unstable diabetes mellitus and insulin dependent diabetes mellitus, clinically significant cardiovascular disease, pheochromocytoma, or history of any psychotic mental illness.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Basic Science
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Double

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Placebo Comparator: Placebo	Drug: Placebo; Placebo will be administered orally once a day.
Experimental: RO7795081	Drug: RO7795081; RO7795081 will be administered orally once a day.; Other Names: CT-996; RG6652

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Incidence, Severity, and Causal Relationship to Treatment of Adverse Events		Baseline to Safety Follow-Up (26 weeks)
Incidence of Abnormal Clinical Laboratory Test Findings		Baseline to Safety Follow-Up (26 weeks)
Incidence of Abnormal Vital Signs		Baseline to Safety Follow-Up (26 weeks)
Incidence of Abnormal Electrocardiogram (ECG) Results		Baseline to Safety Follow-Up (26 weeks)
Incidence of Abnormal Psychiatry Parameters	Participants with psychiatric abnormalities include those with a Patient Health Questionnaire-9 (PHQ-9) score of ≥15 at any assessment, any suicidal behavior, or any suicidal ideation of Type 4 (active suicidal ideation with some intent to act without a specific plan) or Type 5 (active suicidal ideation with a specific plan and intent) on any Columbia-Suicide Severity Rating Scale (C-SSRS) assessment.	Baseline to Safety Follow-Up (26 weeks)

Secondary Outcome Measures

Outcome Measure	Time Frame
Plasma Concentration of RO7795081	At prespecified timepoints on Weeks 8, 14, 17, 19, 21, and 22
Maximum Plasma Concentration Observed (Cmax) of RO7795081	At prespecified timepoints on Weeks 8, 14, and 22
Time to Cmax (Tmax) of RO7795081	At prespecified timepoints on Weeks 8, 14, and 22
Area Under the Concentration-Time Curve from Time 0 to the Last Measurable Concentration (AUClast) of RO7795081	At prespecified timepoints on Weeks 8, 14, and 22

Collaborators and Investigators

• Sponsor: Hoffmann-La Roche
• Investigators: Study Director: Clinical Trials, Hoffmann-La Roche

Publications and helpful links

Helpful Links

• Please use this form to submit your questions for a faster response: https://www.gene.com/contact-us/submit-medical-inquiry. Do not include or attach any medical records when emailing or completing the form. A nurse will respond within 24 business hours.

Study record dates

Study Major Dates

• Study Start (Actual): March 30, 2026
• Primary Completion (Estimated): January 9, 2027
• Study Completion (Estimated): January 9, 2027

Study Registration Dates

• First Submitted: March 23, 2026
• First Submitted That Met QC Criteria: March 23, 2026
• First Posted (Actual): March 30, 2026

Study Record Updates

• Last Update Posted (Actual): August 10, 2026
• Last Update Submitted That Met QC Criteria: August 6, 2026
• Last Verified: August 1, 2026

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Nutrition Disorders; Overnutrition; Body Weight; Pathological Conditions, Signs and Symptoms; Nutritional and Metabolic Diseases; Signs and Symptoms; Overweight; Obesity
• Other Study ID Numbers: YP46260

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: NO

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No