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NCT07292441RecruitingPhase 3

Extension Study of the Phase 3 Clinical Study of GZR18 Injection for Weight Loss

A Multicenter Extension Study of the Phase 3 Clinical Study of GZR18 Injection for Weight Loss

Source: ClinicalTrials.gov · Last updated 11 Mar 2026

Brief summary (registry, in English)

This is a Phase 3 extension study conducted in subjects who have received GZR18 Injection once every 2 weeks (Q2W) for weight loss treatment for 52 weeks, aiming to explore the effect and safety of continuous injection of GZR18 Injection once every 4 weeks (Q4W) for 24 weeks on body weight. In this study, it is planned to include subjects who have participated in the original study and completed the study contents of the original protocol. All subjects will maintain a regular diet and exercise lifestyle during the study.

Status (registry)
Recruiting
Phase (registry)
Phase 3
Study type
Interventional
Enrollment
500 (estimated)
First submitted
20 Nov 2025
Start date
22 Jan 2026
Primary completion date
Sept 2027
Lead sponsor
Gan & Lee Pharmaceuticals.
Diseases
Obesity
NCT number
NCT07292441

What you commit to

  • Study type: Interventional · Phase 3
  • Planned participants: 500
  • From 22 Jan 2026 to the primary completion date, Sept 2027
  • 1 site in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Subjects with a previous diagnosis of any type of diabetes mellitus (excluding gestational diabetes mellitus).
  • Subjects who plan to participate in another clinical study of an investigational medicinal product or device, or receive drug or non-drug therapies that affect body weight (excluding diet and exercise control) before completing all scheduled assessments in this clinical study.
  • Subjects with any other factors (including but not limited to previous compliance in the original study) that may affect the efficacy or safety evaluation of this study as judged by the investigator.
    • \-

Lab values

  • Subjects with FPG ≥ 7.0 mmol/L or HbA1c ≥ 6.5% in the central laboratory test at W52 visit of the original study.

Other

  • Subjects who used Semaglutide (Wegovy®) in the original study.

Who the study is looking for

  • Subjects who participated in the original study, completed the last dose at W50, EOT visit at W52 and safety follow-up visit at W55 of either original study, with last dose at W50 ≥ 24 mg (including blinded dose of placebo).
  • Subjects with BMI \> 18.5 kg/m² at W55 of the original study and before randomization at Visit 2 (V2) of this study, who are assessed by the investigator as suitable for participating in this study.
  • 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 or ovum donation. Non-lactating women of childbearing potential (WOCBP) with a negative pregnancy test result before randomization at V2 in this study.
  • Able to understand the procedures and methods of this study, willing and able to maintain a regular diet and exercise lifestyle during the study period, willing and able to undergo subcutaneous injections of the investigational medicinal product (IMP), and willing to sign the ICF voluntarily.
    • \-

Age in the registry: 18 years to 75 years · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (1)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
-
Coordinator of this site? Confirm its status
BeijingChinaNot yet recruiting

This page is information, not medical advice. Discuss any trial with your doctor.