NCT07281937

Brief Summary

The aim of this study is to evaluate the efficacy of VRB-101 for body weight reduction compared to placebo in participants who have obesity or overweight with weight-related comorbidities.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
206

participants targeted

Target at P50-P75 for phase_2 obesity

Timeline
2mo left

Started Nov 2025

Shorter than P25 for phase_2 obesity

Geographic Reach
1 country

22 active sites

Status
active not 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 Progress72%
Nov 2025Aug 2026

Study Start

First participant enrolled

November 25, 2025

Completed
9 days until next milestone

First Submitted

Initial submission to the registry

December 4, 2025

Completed
11 days until next milestone

First Posted

Study publicly available on registry

December 15, 2025

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2026

Expected
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2026

Last Updated

May 8, 2026

Status Verified

May 1, 2026

Enrollment Period

7 months

First QC Date

December 4, 2025

Last Update Submit

May 7, 2026

Conditions

Keywords

HypertensionWeight reductionDose EscalationGlucagon-like peptide-1 (GLP-1)

Outcome Measures

Primary Outcomes (1)

  • Mean percent change from baseline in body weight

    To evaluate the efficacy of VRB-101 for body weight reduction compared to placebo in Schedule A dose regimens.

    From Baseline (Day 0) up to Week 21

Secondary Outcomes (6)

  • Absolute change from baseline in body weight

    From Baseline (Day 0) up to Week 21

  • Percentage of participants who achieve 5% or more body weight reduction

    From Baseline (Day 0) up to Week 21

  • Change from baseline in body mass index (BMI)

    From Baseline (Day 0) up to Week 21

  • Number of study participants with treatment emergent adverse events (TEAEs) and serious adverse events (SAEs)

    From Baseline (Day 0) up to Week 24

  • Change from baseline in blood pressure (BP)

    From Baseline (Day 0) up to Week 24

  • +1 more secondary outcomes

Study Arms (6)

Schedule A: VRB-101 (Active Arm 1)

EXPERIMENTAL

Participants will receive VRB-101 once every week.

Drug: VRB-101

Schedule A: VRB-101 (Active Arm 2)

EXPERIMENTAL

Participants will receive VRB-101 once every week.

Drug: VRB-101

Schedule A: VRB-101 (Active Arm 3)

EXPERIMENTAL

Participants will receive VRB-101 once every week.

Drug: VRB-101

Schedule B: VRB-101 (Active Arm 4)

EXPERIMENTAL

Participants will receive VRB-101 once every week.

Drug: VRB-101

Schedule B: VRB-101 (Active Arm 5)

EXPERIMENTAL

Participants will receive VRB-101 once every week.

Drug: VRB-101

Pooled Placebo

PLACEBO COMPARATOR

Participants will receive matching placebo to VRB-101 once every week.

Drug: Placebo

Interventions

VRB-101 tablets will be administered orally.

Also known as: Oral Ecnoglutide
Schedule A: VRB-101 (Active Arm 1)Schedule A: VRB-101 (Active Arm 2)Schedule A: VRB-101 (Active Arm 3)Schedule B: VRB-101 (Active Arm 4)Schedule B: VRB-101 (Active Arm 5)

Placebo tablets will be administered orally.

Pooled Placebo

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Have hemoglobin A1c (HbA1c) \<6.5%.
  • Have a BMI of ≥30 kg/m2 OR ≥27 kg/m2 and \<30 kg/m2 with at least 1 weight-related comorbidity.
  • Have a self-reported history of stable body weight for the 3 months prior to randomization (≤5% body weight change).
  • Participants of childbearing potential must be non-pregnant and non-lactating and must agree to use study-specified contraceptive methods.

You may not qualify if:

  • Have any prior diagnosis of type 1 diabetes mellitus (T1DM) or type 2 diabetes mellitus (T2DM), or other forms of diabetes mellitus. A participant with a history of gestational diabetes may be included in the study if the participant has an HbA1c \< 6.5% at Screening.
  • Have at least 1 laboratory value suggestive of diabetes during Screening, including 1 or more of HbA1c ≥6.5% (48 mmol/mol) or random glucose ≥200 mg/dL (11.1 mmol/L).
  • Have had exposure to glucagon-like peptide -1 (GLP-1) 6 months prior to Screening or any prior history of known or suspected hypersensitivity/allergies, intolerability, or lack of efficacy to these medications. Have known or suspected hypersensitivity to study intervention(s), to selective GLP-1 receptor agonist (RA) or glucose-dependent insulinotropic peptide (GIP)/GLP-1 or GLP-1/glucagon (GCG) dual receptor agonists.
  • Pregnant or breastfeeding at Screening or planning to become pregnant (self or partner) at any time within the dosing period, including follow -up, and for at least 60 days after the last dose of study intervention.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (22)

Clinical Study Site 103

Anniston, Alabama, 36207, United States

Location

Clinical Study Site 109

Cullman, Alabama, 35055, United States

Location

Clinical Study Site 110

Phoenix, Arizona, 85028, United States

Location

Clinical Study Site 113

Little Rock, Arkansas, 72205, United States

Location

Clinical Study Site 111

Anaheim, California, 92801, United States

Location

Clinical Study Site 107

Montclair, California, 91763, United States

Location

Clinical Study Site 118

Tarzana, California, 91356, United States

Location

Clinical Study Site 119

Decatur, Georgia, 30030, United States

Location

Clinical Study Site 116

West Des Moines, Iowa, 50266, United States

Location

Clinical Study Site 106

Wichita, Kansas, 67207, United States

Location

Clinical Study Site 122

Southfield, Michigan, 48076, United States

Location

Clinical Study Site 121

Omaha, Nebraska, 68134, United States

Location

Clinical Study Site 117

Binghamton, New York, 13905, United States

Location

Clinical Study Site 101

Rochester, New York, 14609, United States

Location

Clinical Study Site 120

Charlotte, North Carolina, 28210, United States

Location

Clinical Study Site 108

Monroe, North Carolina, 28112, United States

Location

Clinical Study Site 105

Norman, Oklahoma, 73069, United States

Location

Clinical Study Site 114

Duncansville, Pennsylvania, 16635, United States

Location

Clinical Study Site 115

Knoxville, Tennessee, 37909, United States

Location

Clinical Study Site 112

Dallas, Texas, 75251, United States

Location

Clinical Study Site 102

San Antonio, Texas, 78229, United States

Location

Clinical Study Site 104

San Antonio, Texas, 78240, United States

Location

MeSH Terms

Conditions

ObesityOverweightHypertensionWeight Loss

Condition Hierarchy (Ancestors)

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

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

December 4, 2025

First Posted

December 15, 2025

Study Start

November 25, 2025

Primary Completion (Estimated)

July 1, 2026

Study Completion (Estimated)

August 1, 2026

Last Updated

May 8, 2026

Record last verified: 2026-05

Data Sharing

IPD Sharing
Will not share

Locations