NCT07720271

Brief Summary

The purpose of this clinical study is to find out if zenagamtide is safe and effective for treating people who have excess body weight. There are 2 study treatments in this study taken as oral tablets once a day. Participants will either get zenagamtide (the treatment being tested) or Placebo (treatment that has no active medicine in it). Which treatment participants get is decided by chance.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
950

participants targeted

Target at P75+ for phase_3

Timeline
23mo left

Started Aug 2026

Geographic Reach
1 country

41 active sites

Status
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 Progress5%
Aug 2026Aug 2028

First Submitted

Initial submission to the registry

July 17, 2026

Completed
5 days until next milestone

First Posted

Study publicly available on registry

July 22, 2026

Completed
1 month until next milestone

Study Start

First participant enrolled

August 31, 2026

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 27, 2028

Expected
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 22, 2028

Last Updated

September 28, 2026

Status Verified

September 1, 2026

Enrollment Period

1.8 years

First QC Date

July 17, 2026

Last Update Submit

September 23, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Relative change in body weight

    Measured as percentage (%) change in body weight.

    From baseline (week 0) to (week 76)

Secondary Outcomes (2)

  • Change in waist circumference

    From baseline (week 0) to (week 76)

  • Change in systolic blood pressure (SBP)

    From baseline (week 0) to (week 76)

Study Arms (2)

zenagamtide

EXPERIMENTAL

Participants will be randomized to receive 1 of the 5 dose levels of zenagamtide orally once daily as an adjunct to a reduced-calorie diet and increased physical activity.

Drug: zenagamtide

Placebo

PLACEBO COMPARATOR

Participants will receive placebo matched to zenagamtide orally once daily as an adjunct to a reduced-calorie diet and increased physical activity.

Drug: Placebo

Interventions

zenagamtide will be taken orally.

zenagamtide

Placebo matched to zenagamtide will be taken orally.

Placebo

Eligibility Criteria

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

You may qualify if:

  • Male or female (sex at birth).
  • Age 18 and older (both inclusive) at time of signing the informed consent.

You may not qualify if:

  • Glycated haemoglobin (HbA1c) more than or equal to (≥) 6.5% \[48 millimoles per mole (mmol/mol)\] as measured by the central laboratory at screening.
  • History of type 1 or type 2 diabetes mellitus as declared by the participant or reported in the medical records.
  • Treatment with glucagon-like peptide-1 (GLP-1) receptor agonists (RA), dual GLP-1/gastric inhibitory peptide (GIP) RAs (or any other GLP-1 based treatment) or amylin analogues before screening.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (41)

Pinnacle Research Group LLC

Anniston, Alabama, 36207, United States

RECRUITING

Univ of Alabama Birmingham

Birmingham, Alabama, 35294, United States

RECRUITING

Chambliss Clinical Trials LLC

Montgomery, Alabama, 36106, United States

RECRUITING

Providence Medical Foundation

Fullerton, California, 92835, United States

RECRUITING

Torrance Clinical Research Institute, Inc.

Lomita, California, 90717, United States

RECRUITING

Diablo Clinical Research, Inc.

Walnut Creek, California, 94598, United States

RECRUITING

Univ of Colorado at Denver

Aurora, Colorado, 80045, United States

RECRUITING

Brain Matters Research

Delray Beach, Florida, 33445, United States

RECRUITING

Northeast Research Institute

Fleming Island, Florida, 32003, United States

RECRUITING

Miguel Rebollar PA

Hialeah, Florida, 33012, United States

RECRUITING

Jacksonville Ctr Clin Res

Jacksonville, Florida, 32216, United States

RECRUITING

South Broward Research LLC

Miramar, Florida, 33027, United States

RECRUITING

Clinical Neuroscience Solution

Orlando, Florida, 32801, United States

RECRUITING

Florida Institute for Clinical Research, LLC

Orlando, Florida, 32825, United States

RECRUITING

Oviedo Medical Research, LLC

Oviedo, Florida, 32765, United States

RECRUITING

Hope Clin Res & Wellness

Conyers, Georgia, 30094, United States

RECRUITING

East West Medical Research Institute_Honolulu

Honolulu, Hawaii, 96814, United States

RECRUITING

Great Lakes Clinical Trials

Chicago, Illinois, 60640, United States

RECRUITING

Clinical Investigation Spec Gurnee

Gurnee, Illinois, 60031, United States

RECRUITING

Endeavor Health

Skokie, Illinois, 60077, United States

RECRUITING

Evanston Premier Hlthcr Res

Skokie, Illinois, 60077, United States

RECRUITING

Midwest Inst For Clin Res

Indianapolis, Indiana, 46260, United States

NOT YET RECRUITING

Northern Pines Hlth Ctr, PC

Buckley, Michigan, 49620, United States

RECRUITING

StudyMetrix Research LLC

City of Saint Peters, Missouri, 63303, United States

RECRUITING

Palm Research Center Inc.

Las Vegas, Nevada, 89128, United States

RECRUITING

Comprehensive Weight Ctrl Prog

New York, New York, 10021, United States

RECRUITING

Medication Mgmnt, LLC_Grnsboro

Greensboro, North Carolina, 27401, United States

RECRUITING

Accellacare of Raleigh

Raleigh, North Carolina, 27609, United States

RECRUITING

Accellacare-Salisbury PMG Res

Salisbury, North Carolina, 28144, United States

RECRUITING

Accellacare and KDCILM, LLC

Wilmington, North Carolina, 28401, United States

RECRUITING

Lynn Institute of Norman

Norman, Oklahoma, 73072, United States

RECRUITING

Clinical Res Collaborative

Cumberland, Rhode Island, 02864, United States

RECRUITING

Medical Uni of SC Charleston

Charleston, South Carolina, 29425, United States

RECRUITING

Coastal Carolina Research Ctr

North Charleston, South Carolina, 29405, United States

RECRUITING

Hillcrest Clinical Research

Simpsonville, South Carolina, 29681-1538, United States

RECRUITING

Spartanburg Medical Research

Spartanburg, South Carolina, 29303, United States

RECRUITING

Amarillo Medical Specialists

Amarillo, Texas, 79124, United States

RECRUITING

North Texas Endocrine Center

Dallas, Texas, 75231, United States

RECRUITING

Washington Cntr Weight Mgmt

Arlington, Virginia, 22206, United States

NOT YET RECRUITING

Health Res of Hampton Roads

Newport News, Virginia, 23606, United States

RECRUITING

National Clin Res Inc.

Richmond, Virginia, 23294, United States

RECRUITING

MeSH Terms

Conditions

OverweightObesity

Condition Hierarchy (Ancestors)

OvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Clinical Transparency (dept. 2834)

    Novo Nordisk A/S

    STUDY DIRECTOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Sponsor staff involved in the clinical trial is masked according to company standard procedures
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 17, 2026

First Posted

July 22, 2026

Study Start

August 31, 2026

Primary Completion (Estimated)

June 27, 2028

Study Completion (Estimated)

August 22, 2028

Last Updated

September 28, 2026

Record last verified: 2026-09

Data Sharing

IPD Sharing
Will share

According to the Novo Nordisk disclosure commitment on novonordisk-trials.com

More information

Locations