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Active not recruitingPhase 3

A Phase III Clinical Study to Evaluate the Efficacy and Safety of GZR18 Injection in Adult Obese/Overweight Subjects

A Multicenter, Randomized, Double-Blind, Parallel, Placebo-Controlled Phase III Clinical Study to Evaluate the Efficacy and Safety of GZR18 Injection in Adult Obese/Overweight Subjects

Asset

GZR18

Subcutaneous · GLP-1 agonist

Listed sites

1

Recruiting sites

Enrollment

630

estimated

Study population

Obesity / overweight

Key I/E criterion

BMI ≥28

Primary endpoint

Weight from baseline (%)

Footprint

Where this trial recruits

Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.

Identifiers

Registered as

NCT IDNCT06728124
Org study IDGZR18-BWM-301

Timeline

Milestones

Study first posted2024-12-11actual
Study start2024-12-30actual
Last update posted2025-11-25actual
Primary completion2026-05estimated (month precision)
Study completion2026-05estimated (month precision)

Assets

Investigational agents

Study populations

Who this study enrolls

Obesity / overweight

Eligibility

Who can enroll

Minimum age18 Years
SexAll
Healthy volunteersNot accepted

Inclusion criteria

Age ≥ 18 years (as of the date of signing the Informed Consent Form (ICF)), male or female.
Obese (BMI ≥ 28 kg/m2) or overweight (24 kg/m2 ≤ BMI < 28 kg/m2) with at least one comorbidity.
Able to understand the procedures and methods in this study; willing and able to maintain a stable diet and exercise lifestyle during the research period, and willing to sign the ICF voluntarily.
Subjects of childbearing potential with no birth plan from the signing of ICF to 8 weeks after the last dose, willingness to take effective contraceptive measures, and no plan for sperm donation. Females of childbearing potential must not be lactating and must have negative results of pregnancy tests at screening and Visit 2 (before randomization).

Exclusion criteria

Known or suspected hypersensitivity to glucagon like peptide-1 receptor agonist (GLP-1RA) drugs or excipients.
History of drug abuse prior to screening.
History of alcohol abuse within 6 months before screening.
Weight change of > 5.0% within 3 months before screening (self-report).
Presence of limb deformity or mutilation affecting height measurement.

Endpoints (8)

What's being measured

Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.

Coverage by outcome category

Weight & body composition
6
Safety / tolerability / PK
1
Other (unclassified)
1

Weight & body composition

6 endpoints
Primary/protocol endpoint

Percent change in weight from baseline (%)

Time frame:From Week 0 to Week 48

percent change from baseline, improvement

Secondary/protocol endpoint

Proportion of subjects with ≥ 10%, 15%, 20%, and 25% decrease in weight from baseline

Time frame:From Week 0 to Week 48

threshold achievement, improvement

Secondary/protocol endpoint

Changes from baseline in weight

Time frame:From Week 0 to Week 48

descriptive

Secondary/protocol endpoint

Changes from baseline in body mass index (BMI)

Time frame:From Week 0 to Week 48

descriptive

Secondary/protocol endpoint

Changes from baseline in waist circumference

Time frame:From Week 0 to Week 48

descriptive

Secondary/protocol endpoint

Changes from baseline in waist-hip ratio (waist circumference/hip circumference)

Time frame:From Week 0 to Week 48

ratio, improvement

Safety / tolerability / PK

1 endpoint
Secondary/protocol endpoint

Treatment emergent adverse events (TEAEs)

Time frame:From Week 0 to Week 48

descriptive

Other (unclassified)

1 endpoint
Secondary/protocol endpoint/low confidence

Changes from baseline in hip circumference

Time frame:From Week 0 to Week 48

descriptive

Provenance

Sources

Trial identity, design, statusClinicalTrials.gov API v2
Snapshot dateJuly 1, 2026
Endpoint classificationDelfa endpoint taxonomy v2 (May 13, 2026)
Results tableno registry results posted yet

Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 1, 2026 snapshot.