> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/trial/a-study-to-investigate-weight-management-with-ly3841136-and-c25d599f-0cc7-4dd1-b5dd-654c6552f677
> Record changed: 2026-10-13

# A Study to Investigate Weight Management With LY3841136 and Tirzepatide (LY3298176), Alone or in Combination, in Adult Participants With Obesity or Overweight With Type 2 Diabetes

NCT06603571

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

Phase

Phase 2

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

Recruitment status

Active, not recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

Participants

367

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

Lead sponsor

Eli Lilly and Company

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

Start date

2024-09-20

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

Number of sites

52

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## Title and summary

**Summary**

The main purpose of this study, performed under the master protocol W8M-MC-CWMM (NCT06143956), is to investigate the safety and efficacy of LY3841136 for chronic weight management alone or in combination with Tirzepatide across a wide dose range in participants with Type 2 Diabetes. Participation in the study will last about 64 weeks.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Short title**

A Study to Investigate Weight Management With LY3841136 and Tirzepatide (LY3298176), Alone or in Combination, in Adult Participants With Obesity or Overweight With Type 2 Diabetes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Official title**

A Phase 2, Parallel-Group, Double-Blind, Placebo-Controlled Study to Investigate Weight Management With LY3841136 and Tirzepatide, Alone or in Combination, in Adult Participants With Obesity or Overweight With Type 2 Diabetes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## Status and phase

**Control arm**

Placebo

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Registry reports results**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Listing at source**

Listed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Recruitment status**

Active, not recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Phase**

Phase 2

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Study type**

Interventional

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## Dates

**Completion date**

2026-08-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**First posted**

2024-09-19

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Registry last updated**

2026-07-17

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Primary completion date**

2026-07-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Start date**

2024-09-20

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## Size and sites

**Actual participants**

367

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Participants**

367

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Participant count basis**

Actual

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Protocol amendments**

1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Number of sites**

52

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## Sponsor and oversight

**Data monitoring committee**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Lead sponsor**

Eli Lilly and Company

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Source registry**

ClinicalTrials.gov

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## Identifiers

**Registry ID**

NCT06603571

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**ClinicalTrials.gov ID**

NCT06603571

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

**Registry record**

Open registry record

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## Study design

**Allocation**

Randomised

**Model**

Parallel groups

**Purpose**

Treatment

**Masking**

Double masking

**Masked roles**

Participants, Investigators

Sources for study design

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## Outcomes

### Primary outcomes

1. Percent Change from Baseline in Body Weight  
Timeframe: Baseline, Week 48

### Secondary outcomes

1. Change from Baseline in Body Weight  
Timeframe: Baseline, Week 48
2. Percentage of Participants Who Achieve ≥5% Body Weight Reduction  
Timeframe: Week 48
3. Percentage of Participants Who Achieve ≥10% Body Weight Reduction  
Timeframe: Week 48
4. Change from baseline in Hemoglobin A1c (HbA1c)  
Timeframe: Baseline, Week 48
5. Pharmacokinetics (PK): Area Under the Curve (AUC) of LY3841136  
Timeframe: Baseline, Week 48
6. PK: Maximum Concentration (Cmax) of LY3841136  
Timeframe: Baseline, Week 48

Sources for outcomes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## Eligibility

**Sex**

All

**Age groups**

Adults, Older adults

**Minimum age**

18 Years

**Maximum age**

75 Years

**Healthy volunteers**

No

### Inclusion criteria

W8M-MC-LAA2

- Have a Body Mass Index (BMI) of ≥27 kilograms per square meter (kg/m²)
- Have Type 2 Diabetes
- Have a HbA1c ≥7.0 % (53 millimoles/mole (mmol/mol)) to ≤10.5% (91 mmol/mol) and treated with diet and exercise alone or with a stable dose of metformin (and not more than the locally approved dose) with or without a sodium-glucose cotransporter 2 (SGLT2) inhibitor for at least 3 months prior to screening

W8M-MC-CWMM:

- Have had a stable body weight for the 3 months prior to randomization (<5% body weight gain and/or loss)

### Exclusion criteria

W8M-MC-LAA2

- Have a history of severe hypoglycemia or hypoglycemia unawareness within the last 6 months prior to screening
- Have an on-going or history of bradyarrhythmia and/or sinus bradycardia
- Have an elevated resting pulse rate (mean >100 beats per minute (bpm)) or reduced resting pulse rate (mean <60 bpm) at screening
- Have any of the following cardiovascular conditions within 6 months prior to screening:

  - acute myocardial infarction
  - cerebrovascular accident (stroke)
  - unstable angina, or
  - hospitalization due to congestive heart failure
- Have renal impairment measured as estimated glomerular filtration rate (eGFR) <45 milliliters per minute (mL/min)/1.73 m2
- Have a history of acute or chronic pancreatitis
- Have fasting triglycerides >500 milligrams per deciliter (mg/dL) (5.7 mmol/L) at screening
- All concomitant medications should be at a stable dose for at least 3 months prior to screening

W8M-MC-CWMM

- Have a prior or planned surgical treatment for obesity, except prior liposuction or abdominoplasty, if performed >1 year prior to screening.
- Have type 1 diabetes mellitus, latent autoimmune diabetes in adults, or history of ketoacidosis or hyperosmolar coma.
- Have poorly controlled hypertension.
- Have a history of symptomatic gallbladder disease within the past 2 years
- Have signs and symptoms of any liver disease other than nonalcoholic fatty liver disease.
- Have a lifetime history of suicide attempts.

Sources for eligibility

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## Sites

- The Institute for Liver Health II dba Arizona Clinical Trials - MesaChandler, United States
- HOPE Research InstitutePhoenix, United States
- Headlands Research - ScottsdaleScottsdale, United States
- The Institute for Liver Health II dba Arizona Liver Health-TucsonTucson, United States
- NorCal Medical Research, IncGreenbrae, United States
- Velocity Clinical Research, Huntington ParkHuntington Park, United States
- Peninsula Research AssociatesRolling Hills Estates, United States
- Diablo Clinical Research, Inc.Walnut Creek, United States
- Stamford Therapeutics ConsortiumStamford, United States
- Northeast Research Institute (NERI)Fleming Island, United States
- Indago Research & Health Center, IncHialeah, United States
- New Horizon Research CenterMiami, United States
- Suncoast Clinical Research, Inc.New Port Richey, United States
- Charter Research - Winter ParkOrlando, United States
- Charter Research - Lady LakeThe Villages, United States
- Medical Research PartnersAmmon, United States
- Great Lakes Clinical Trials - AndersonvilleChicago, United States
- Great Lakes Clinical Trials - RavenswoodChicago, United States
- NorthShore University Health SystemSkokie, United States
- Iowa Diabetes and Endocrinology Research CenterWest Des Moines, United States
- Cotton O'Neil Diabetes & EndocrinologyTopeka, United States
- KnownwellNeedham, United States
- Lucida Clinical TrialsNew Bedford, United States
- Headlands Research - DetroitSouthfield, United States
- Arcturus Healthcare , PLC, Troy Internal Medicine Research DivisionTroy, United States

And 27 more, listed on the interactive page.

Sources for sites

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## References

- Related resource (trials.lilly.com)  
Source: [trials.lilly.com](https://trials.lilly.com/en-US/trial/533180)

### Other registry identifiers

- W8M-MC-LAA2

Sources for references

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06603571)

## Related records

### Drugs (2)

- [Eloralintide](https://trialight.com/data/asset/eloralintide-ccf70d16-4bb8-42b3-b3e3-491d8fbd44a8.md)
- [Tirzepatide](https://trialight.com/data/asset/tirzepatide-eed85871-eb9c-4712-9102-badfdd99a720.md)

### Lead sponsors (1)

- [Eli Lilly and Company](https://trialight.com/data/company/eli-lilly-and-company-9da7efcc-bafe-4b95-b30b-e87a97770db7.md)

### Conditions (2)

- [Obesity disorder](https://trialight.com/data/condition/obesity-disorder-f3b57dc0-68ac-555c-8f13-0d81e595d9cb.md) Primary condition
- [Type 2 diabetes mellitus](https://trialight.com/data/condition/type-2-diabetes-mellitus-98e14a90-bb06-5174-90c7-901a0a259fb9.md)

### Targets (2)

- [GIPR](https://trialight.com/data/target/gipr-5b65dd73-9875-5aca-be7a-5469a7290f0c.md)
- [GLP1R](https://trialight.com/data/target/glp1r-c31cc749-2d8a-54a9-9dab-84f5ee5d1742.md)

---

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