Evaluate the Safety and Tolerability of Multiple Doses of JMT206 Injection in Obese Participants

October 30, 2026 updated by: Shanghai JMT-Bio Inc.

Identify the Expanded Access Program, if Any. This is Required Unless the Expanded Access Type is "Individual Patients." A Randomized, Parallel, Double-blind, Placebo-controlled Phase I Clinical Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Multiple Doses of JMT206 Injection Alone or in Combination With Semaglutide in Obese Participants

Use these resources to provide understandable information about this study to patients, families, and health care providers:

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

90

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

      • Beijing, China
        • Recruiting
        • Peking University People's Hospital
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  1. Age 18~65 (including threshold values), male or female participants;
  2. BMI ≥ 30 kg/m²;
  3. Weight change <5% within the 3 months prior to screening
  4. Voluntarily sign the informed consent form before the trial..

Exclusion Criteria:

1) Those known to have a history of allergy to any component or related preparations in the investigational drug and its excipients, or have severe allergic diseases or allergic constitution; 2) Participants with a history of diabetes mellitus or hypoglycemic episodes; 3) Obesity is related to medication or diseases; Or weight gain caused by non-fat content; or monogene mutationsobesity; 4) History of weight loss surgery and/or treatment within the past year; 5) History of severe gastrointestinal disease or gastrointestinal surgery, clinically significant gastric emptying abnormalities, or long-term use of medications directly affecting gastrointestinal motility; 6) Having comorbidities known to affect skeletal muscle proteins; 7) A history of acute or chronic pancreatitis; 8) Acute gallbladder disease within one year prior to screening; 9) Previous or family history of medullary thyroid carcinoma or type 2 endocrine adenomatosis; 10) Severe cardiovascular or cerebrovascular events within 6 months prior to screening; 11) Any type of treated or untreated malignant tumor within 5 years prior to screening; 12) History of severe mental illness; 13) Use of drugs or products that may cause weight changes within 3 months prior to screening; 14) Use of drugs or products affecting skeletal muscle synthesis within 3 months prior to screening; 15) Participants deemed otherwise unsuitable for this trial by the investigator.

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Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

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

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: JMT206 injection group 2

JMT206 injection dose 2 administered subcutaneously (SC) once a week

JMT206 injection administered subcutaneously (SC) once a week

Experimental: JMT206 injection group 3

JMT206 injection dose 3 administered subcutaneously (SC) once a week

JMT206 injection administered subcutaneously (SC) once a week

Experimental: JMT206 injection + Semaglutide group 1

JMT206 injection dose 1 administered subcutaneously (SC) once a week. Semaglutide administered subcutaneously once a week, starts from lower dose and is gradually increased.

JMT206 injection administered subcutaneously (SC) once a week

Semaglutide administered subcutaneously once a week, starts from lower dose and is gradually increased.

Experimental: JMT206 injection + Semaglutide group 2

JMT206 injection dose 2 administered subcutaneously (SC) once a week. Semaglutide administered subcutaneously once a week, starts from lower dose and is gradually increased.

JMT206 injection administered subcutaneously (SC) once a week

Semaglutide administered subcutaneously once a week, starts from lower dose and is gradually increased.

Experimental: JMT206 injection + Semaglutide group 3

JMT206 injection dose 3 administered subcutaneously (SC) once a week. Semaglutide administered subcutaneously once a week, starts from lower dose and is gradually increased

JMT206 injection administered subcutaneously (SC) once a week

Semaglutide administered subcutaneously once a week, starts from lower dose and is gradually increased.

Placebo Comparator: Placebo

Placebo administered subcutaneously (SC) once a week

Placebo administered subcutaneously (SC) once a week.

Placebo Comparator: Placebo+ Semaglutide

Placebo administered subcutaneously (SC) once a week. Semaglutide administered subcutaneously once a week, starts from lower dose and is gradually increased.

Semaglutide administered subcutaneously once a week, starts from lower dose and is gradually increased.

Placebo administered subcutaneously (SC) once a week.

Experimental: JMT206 injection group 1

JMT206 injection dose 1 administered subcutaneously (SC) once a week

JMT206 injection administered subcutaneously (SC) once a week

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Incidence of Adverse Events (AE) assessed by CTCAE v6.0
Time Frame: Baseline through week 19
Baseline through week 19

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

October 20, 2026

Primary Completion (Estimated)

February 28, 2027

Study Completion (Estimated)

April 30, 2027

Study Registration Dates

First Submitted

September 20, 2026

First Submitted That Met QC Criteria

September 24, 2026

First Posted (Actual)

September 25, 2026

Study Record Updates

Last Update Posted (Actual)

November 2, 2026

Last Update Submitted That Met QC Criteria

October 30, 2026

Last Verified

October 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • JMT206-003

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.