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A Study to Investigate Weight Management With Bimagrumab (LY3985863) and Tirzepatide (LY3298176), Alone or in Combination, in Adults With Obesity or Overweight
A Phase 2, Double-Blind, Randomized, Placebo-Controlled Study of Bimagrumab and Tirzepatide, Alone or in Combination, to Investigate the Efficacy and Safety in Adult Participants With Obesity or Overweight Without Type 2 Diabetes
Lead sponsor
Asset
Tirzepatide
Subcutaneous · GLP-1 / GIP dual
Listed sites
12
Recruiting sites
—
Enrollment
252
actual
Study population
Obesity / overweight
Key I/E criterion
—
Primary endpoint
•Body weight, % change
Footprint
Where this trial recruits
Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.
Identifiers
Registered as
Timeline
Milestones
Assets
Investigational agents
Study populations
Who this study enrolls
Eligibility
Who can enroll
Inclusion criteria
Exclusion criteria
Endpoints (11)
What's being measured
Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.
Weight & body composition
11 endpointsPercent Change from Baseline in Body Weight
Time frame:Baseline, Week 24
Body weight, % change
percent change from baseline, improvement
Percent Change from Baseline in Total Body Fat Mass by Dual-Energy X-Ray Absorptiometry (DXA)
Time frame:Baseline, Week 24, Week 48
Total fat mass
percent change from baseline, improvement
Change from Baseline in Body Weight
Time frame:Baseline, Week 24, Week 48
Body weight, absolute change (kg)
change from baseline, improvement
Percentage of Participants Achieving ≥5% Body Weight Reduction
Time frame:Baseline, Week 24, Week 48
≥5% weight-loss responders
threshold achievement, improvement
Percentage of Participants Achieving ≥10% Body Weight Reduction
Time frame:Baseline, Week 24, Week 48
≥10% weight-loss responders
threshold achievement, improvement
Percentage of Participants Achieving ≥15% Body Weight Reduction
Time frame:Baseline, Week 24, Week 48
≥15% weight-loss responders
threshold achievement, improvement
Change from Baseline in Waist Circumference
Time frame:Baseline, Week 24, Week 48
Waist circumference, change
change from baseline, improvement
Change from Baseline in Body Mass Index (BMI)
Time frame:Baseline, Week 24, Week 48
BMI, change
change from baseline, improvement
Change from Baseline in Waist-to-Height Ratio (WHtR)
Time frame:Baseline, Week 24, Week 48
change from baseline, improvement
Percent Change from Baseline in Visceral Adipose Tissue (VAT)
Time frame:Baseline, Week 24, Week 48
Visceral fat, change
percent change from baseline, improvement
Percent Change from Baseline in Total Body Lean Mass by DXA
Time frame:Baseline, Week 24, Week 48
Lean mass
percent change from baseline, improvement
Provenance
Sources
Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 1, 2026 snapshot.