Aleniglipron Phase 2 Body Composition Study
A Phase 2, Randomized, Double-blind, Placebo-controlled, Study Evaluating the Effects of Aleniglipron (GSBR-1290) on Body Composition in Participants Living With Obesity (Body Mass Index ≥ 30 kg/m2)
1 other identifier
interventional
71
1 country
11
Brief Summary
This is a randomized, double-blind, placebo-controlled study evaluating the effects of aleniglipron on body composition in participants living with obesity. Participants will be randomized to aleniglipron or placebo in a ratio of 5:1. Participants will receive multiple ascending QD doses of aleniglipron or placebo in titration steps of 4 weeks duration for a total of 40 weeks of treatment.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Aug 2025
Shorter than P25 for phase_2
11 active sites
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 Start
First participant enrolled
August 15, 2025
CompletedFirst Submitted
Initial submission to the registry
August 20, 2025
CompletedFirst Posted
Study publicly available on registry
September 12, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
October 1, 2026
March 3, 2026
October 1, 2025
12 months
August 20, 2025
February 27, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Percent change in total body fat mass by DXA
Baseline and week 44
Secondary Outcomes (4)
Percent change in visceral adipose tissue [VAT] by DXA
Baseline and week 44
Percent change in lean body mass by DXA
Baseline and week 44
Percent change in body weight by DXA
Baseline and week 44
Percent change in waist circumference
Baseline and week 44
Other Outcomes (4)
Change in patient-reported outcome SF-36 acute version
Baseline and week 44
Change in patient-reported outcome IWQOL-Lite CT
Baseline and week 44
Change in patient-reported outcome hunger/satiety evaluation checklist
Baseline and week 44
- +1 more other outcomes
Study Arms (2)
Cohort 1
EXPERIMENTALParticipants will receive aleniglipron or placebo administered orally.
Cohort 2
EXPERIMENTALParticipants will receive aleniglipron or placebo administered orally.
Interventions
Drug: aleniglipron administered orally Drug: placebo administered orally
Eligibility Criteria
You may qualify if:
- Signed informed consent
- Participants age ≥18 years and \<80 years, with BMI ≥30 kg/m2
- Screening HbA1c \<6.5 %
You may not qualify if:
- Previous documented diagnosis of diabetes mellitus
- Self-reported change in body weight \>5% within 3 months before Screening
- Have a body weight, height, and/or width that prohibits the ability to obtain accurate measurements according to the DXA study specific manual that allows hemi-scan
- Have a prior or planned surgical treatment for obesity (excluding liposuction or abdominoplasty, if performed \>1 year prior to screening)
- Have obesity induced by other endocrine disorders (such as Cushing's syndrome, Prader-Willi syndrome, or melanocortin 4 receptor deficiency)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (11)
Research Site
Phoenix, Arizona, 85020, United States
Research Site
Chicago, Illinois, 60602, United States
Research Site
Richfield, Minnesota, 55423, United States
Research Site
City of Saint Peters, Missouri, 63303, United States
Research Site
Rochester, New York, 14609, United States
Research Site
Wilmington, North Carolina, 28401, United States
Research Site
Norman, Oklahoma, 73069, United States
Research Site
Moncks Corner, South Carolina, 29461, United States
Research Site
North Charleston, South Carolina, 29405, United States
Research Site
Austin, Texas, 78704, United States
Research Site
San Antonio, Texas, 78240, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 20, 2025
First Posted
September 12, 2025
Study Start
August 15, 2025
Primary Completion (Estimated)
August 1, 2026
Study Completion (Estimated)
October 1, 2026
Last Updated
March 3, 2026
Record last verified: 2025-10
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL
- Time Frame
- Data sharing requests will be considered beginning 36 months after the study publication (manuscript accepted for publication) and either 1) the product has been granted marketing authorization in at least two regulatory jurisdictions, or 2) clinical development for the product and/or indication discontinues and the data will not be submitted to regulatory authorities. There is no end date for eligibility to submit a data sharing request for this study.
- Access Criteria
- Researchers will submit a request containing the research objectives, endpoints/outcomes of interest, statistical analysis plan, data requirements, publication plan, and qualifications of the researcher(s). Gasherbrum Bio, Inc. does not grant external requests for individual de-identified patient data for the following purposes: * Re-evaluating safety and efficacy end points already addressed in the product labelling, * Assessing safety or efficacy for an indication in current development Requests are reviewed by a committee of internal advisors, and if not approved, may be further arbitrated by a panel of external advisors. Upon approval, information necessary to address the research question will be provided under the terms of a data sharing agreement.
De-identified individual patient data for variables necessary to address a specific research question in an approved data sharing request