NCT06737042

Brief Summary

This is a Phase 2 study to evaluate the safety and efficacy of 24, 36, and 48 mg GZR18 (Q2W) compared with placebo and 15 mg tirzepatide (QW). The study will evaluate weight management in participants with obesity (BMI ≥30 kg/m2) or who are overweight (BMI ≥27 kg/m2) with weight-related comorbidities (excluding type 2 diabetes mellitus).

Trial Health

63
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
285

participants targeted

Target at P75+ for phase_2

Timeline
2mo left

Started Feb 2025

Shorter than P25 for phase_2

Geographic Reach
1 country

20 active sites

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress91%
Feb 2025Jun 2026

First Submitted

Initial submission to the registry

December 16, 2024

Completed
1 day until next milestone

First Posted

Study publicly available on registry

December 17, 2024

Completed
2 months until next milestone

Study Start

First participant enrolled

February 12, 2025

Completed
12 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 9, 2026

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 22, 2026

Expected
Last Updated

February 4, 2025

Status Verified

December 1, 2024

Enrollment Period

12 months

First QC Date

December 16, 2024

Last Update Submit

February 3, 2025

Conditions

Keywords

GLP-1, Obesity, Overweight, Weight loss

Outcome Measures

Primary Outcomes (1)

  • Primary Objective

    To demonstrate that GZR18 24 mg, 36 mg, and 48 mg is superior to placebo based on percentage change in body weight after 36 weeks of treatment

    36 weeks

Study Arms (4)

24 mg GZR18 group

EXPERIMENTAL

24 mg GZR18 group: 76 participants (57 receiving GZR18 and 19 receiving placebo)

Drug: GZR18

36 mg GZR18 group

EXPERIMENTAL

36 mg GZR18 group: 76 participants (57 receiving GZR18 and 19 receiving placebo)

Drug: GZR18

48 mg GZR18 group

EXPERIMENTAL

48 mg GZR18 group: 76 participants (57 receiving GZR18 and 19 receiving placebo)

Drug: GZR18

Tirzepatide group

ACTIVE COMPARATOR

Tirzepatide group: 57 participants receiving 15 mg tirzepatide

Drug: Tirzepatide

Interventions

GZR18DRUG

GLP-1

24 mg GZR18 group36 mg GZR18 group48 mg GZR18 group

Active Comparator

Tirzepatide group

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • to 75 years of age (both inclusive) at the time of signing the informed consent form (ICF).
  • History of failing to lose sufficient weight with lifestyle/dietary modification.
  • BMI ≥30.0 kg/m2, or
  • BMI ≥27.0 kg/m2 with at least 1 of the following:
  • Hypertension: defined as taking blood pressure (BP) lowering medication or have a systolic blood pressure (SBP) of ≥130 mmHg or a diastolic blood pressure (DBP) of ≥80 mmHg at screening.
  • Dyslipidemia: defined as taking lipid-lowering medication or have LDL ≥160 mg/dL (4.1 mmol/L) or triglycerides ≥150 mg/dL (1.7 mmol/L), or high-density lipoprotein (HDL) \<40 mg/dL (1.0 mmol/L) for men or HDL \<50 mg/dL (1.3 mmol/L) for women at screening.
  • Obstructive sleep apnea.
  • Cardiovascular disease: defined as having eg, ischemic cardiovascular disease or New York Heart Association (NYHA) Functional Classification Class I to II heart failure.
  • \. In the investigator's opinion, are well motivated, capable, and willing to:
  • Learn how to self-inject the IP as required for this protocol (visually impaired persons who are not able to perform the injections must have the assistance of a sighted individual trained to inject the IP; persons with physical limitations who are not able to perform the injections must have the assistance of an individual trained to inject the IP).
  • Inject the IP (or receive an injection from a trained individual if visually impaired or with physical limitations).
  • Follow study procedures for the duration of the study, including, but not limited to, lifestyle advice (eg, dietary changes and physical activity plan), complete the electronic diary (eDiary), and complete required questionnaires.
  • Identify the biological sex for the study stratification. 5.Capable of giving signed informed consent, which includes compliance with the requirements and restrictions listed in the ICF and in this protocol.
  • A self-reported change (increase or decrease) in body weight \>5 kg within 3 months prior to screening.
  • Prior or planned surgical treatment for obesity (excluding liposuction or abdominoplasty, if performed \>1 year prior to screening).
  • +88 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (20)

KUR Research - Trinity @ Bessemer, AL Site Network

Bessemer, Alabama, 35022, United States

Location

KUR Research - Trinity @ Centreville Site Network

Centreville, Alabama, 35042, United States

Location

ERG - Woodland Int'l Research Group

Little Rock, Arkansas, 72211, United States

Location

ERG - Woodland Research Northwest

Rogers, Arkansas, 72758, United States

Location

Ark Clinical Research Ark-Fountain Valley

Fountain Valley, California, 92708, United States

Location

Ark Clinical Research Ark-Long Beach

Long Beach, California, 90815, United States

Location

Clinedge - Central Valley Research, LLC

Modesto, California, 95350, United States

Location

Populace Health, LLC - Catalina Research Institute

Montclair, California, 91763, United States

Location

East Coast Institute for Research - ECIR Jacksonville (Southside)

Jacksonville, Florida, 32216, United States

Location

East Coast Institute for Research ECIR Jacksonville (Headquarters) University

Jacksonville, Florida, 32216, United States

Location

3Sync Research - PCRS Network

Lake Worth, Florida, 33460, United States

Location

Clever Medical Research - PCRS Network

Miami, Florida, 33126, United States

Location

KUR Research @ Columbia Site Network

Columbia, Maryland, 21045, United States

Location

Populace Health, LLC - Elixia SISU

Springfield, Massachusetts, 01103, United States

Location

Populace Health, LLC - Vector Clinical Trials

Las Vegas, Nevada, 89128, United States

Location

Populace Health, LLC - CTI Clinical Research Center

Cincinnati, Ohio, 45212, United States

Location

ERG - Ohio Clinical Trials

Columbus, Ohio, 43212, United States

Location

Elligo Clinical Research Center - Austin

Austin, Texas, 78704, United States

Location

Clinvax Katy Research Center

Katy, Texas, 77493, United States

Location

Endeavor Clinical Trials

San Antonio, Texas, 78229, United States

Location

MeSH Terms

Conditions

ObesityOverweightWeight Loss

Interventions

Tirzepatide

Condition Hierarchy (Ancestors)

OvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsBody Weight Changes

Intervention Hierarchy (Ancestors)

Glucagon-Like Peptide-1 ReceptorGlucagon-Like Peptide ReceptorsReceptors, G-Protein-CoupledReceptors, Cell SurfaceMembrane ProteinsProteinsAmino Acids, Peptides, and ProteinsReceptors, Gastrointestinal HormoneReceptors, Peptide

Central Study Contacts

Kimberly Lazaroff

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 16, 2024

First Posted

December 17, 2024

Study Start

February 12, 2025

Primary Completion

February 9, 2026

Study Completion (Estimated)

June 22, 2026

Last Updated

February 4, 2025

Record last verified: 2024-12

Locations