NCT07589686

Brief Summary

The main purpose of this study is to evaluate the safety and efficacy of the co-administration of petrelintide and enicepatide compared with placebo, petrelintide monotherapy, and enicepatide monotherapy in participants with obesity or overweight with at least one weight-related comorbidity.

Trial Health

65
Monitor

Trial Health Score

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

Enrollment
486

participants targeted

Target at P75+ for phase_2

Timeline
19mo left

Started Jun 2026

Status
not yet 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

First Submitted

Initial submission to the registry

May 11, 2026

Completed
4 days until next milestone

First Posted

Study publicly available on registry

May 15, 2026

Completed
2 months until next milestone

Study Start

First participant enrolled

June 30, 2026

Expected
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 12, 2027

3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

January 31, 2028

Last Updated

May 15, 2026

Status Verified

May 1, 2026

Enrollment Period

1.4 years

First QC Date

May 11, 2026

Last Update Submit

May 11, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Percentage Change in Body Weight between Arms 1 and 6

    From Baseline to Week 40

Secondary Outcomes (20)

  • Percentage Change in Body Weight between Arms 2, 3 and Arm 6

    From Baseline to Week 40

  • Percentage Change in Body Weight between Arms 1, 2, 3 and Arms 4, 5

    From Baseline to Week 40

  • Percentage of Participants Achieving Body Weight Loss

    From Baseline to Week 40

  • Change in Body Weight (kilograms [kg])

    From Baseline to Week 40

  • Change in Body Mass Index (kilograms per square meter [kg/m²])

    From Baseline to Week 40

  • +15 more secondary outcomes

Study Arms (6)

Arm 1: Petrelintide + Enicepatide Dosing Regimen 1

EXPERIMENTAL
Drug: PetrelintideCombination Product: Enicepatide

Arm 2: Petrelintide + Enicepatide Dosing Regimen 2

EXPERIMENTAL
Drug: PetrelintideCombination Product: Enicepatide

Arm 3: Petrelintide + Enicepatide Dosing Regimen 3

EXPERIMENTAL
Drug: PetrelintideCombination Product: Enicepatide

Arm 4: Petrelintide-matching Placebo + Enicepatide

EXPERIMENTAL
Combination Product: EnicepatideDrug: Petrelintide-matching Placebo

Arm 5: Petrelintide + Enicepatide-matching Placebo

EXPERIMENTAL
Drug: PetrelintideCombination Product: Enicepatide-matching Placebo

Arm 6: Petrelintide-matching Placebo + Enicepatide-matching Placebo

PLACEBO COMPARATOR
Drug: Petrelintide-matching PlaceboCombination Product: Enicepatide-matching Placebo

Interventions

Petrelintide will be administered subcutaneously to participants once weekly

Also known as: RO7895515, ZP8396
Arm 1: Petrelintide + Enicepatide Dosing Regimen 1Arm 2: Petrelintide + Enicepatide Dosing Regimen 2Arm 3: Petrelintide + Enicepatide Dosing Regimen 3Arm 5: Petrelintide + Enicepatide-matching Placebo
EnicepatideCOMBINATION_PRODUCT

Enicepatide will be administered subcutaneously to participants once weekly

Also known as: RO7795068, CT-388, RG6640
Arm 1: Petrelintide + Enicepatide Dosing Regimen 1Arm 2: Petrelintide + Enicepatide Dosing Regimen 2Arm 3: Petrelintide + Enicepatide Dosing Regimen 3Arm 4: Petrelintide-matching Placebo + Enicepatide

Matching placebo to Petrelintide will be administered subcutaneously to participants once weekly

Arm 4: Petrelintide-matching Placebo + EnicepatideArm 6: Petrelintide-matching Placebo + Enicepatide-matching Placebo
Enicepatide-matching PlaceboCOMBINATION_PRODUCT

Matching placebo to Enicepatide will be administered subcutaneously to participants once weekly

Arm 5: Petrelintide + Enicepatide-matching PlaceboArm 6: Petrelintide-matching Placebo + Enicepatide-matching Placebo

Eligibility Criteria

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

You may qualify if:

  • Male or female participants with Body Mass Index (BMI) ≥ 30 kg/m² OR BMI ≥ 27 kg/m² to \< 30 kg/m² with at least one weight-related comorbidity
  • History of at least one self-reported unsuccessful dietary effort to lose body weight

You may not qualify if:

  • HbA1c ≥ 48 mmol/mol (6.5%) at screening
  • History of Type 1 or Type 2 Diabetes
  • Self-reported change in body weight \> 5 kg within 90 days prior to screening
  • Previous or planned obesity treatment with surgery (excluding liposuction, cryolipolysis, or abdominoplasty if performed \> 1 year prior to or during screening)
  • Previous or planned endoscopic and/or device-based obesity treatment or removal or device within the last 6 months prior to screening (e.g., mucosal ablation, gastric artery embolization, intragastric balloon and duodenal-jejunal endoluminal liner)
  • Treatment with any GLP-1 receptor agonist, GLP-1/GIP receptor agonist (or any other GLP-1 based treatment) within 180 days prior to or during screening
  • Current or previous treatment with petrelintide or any other amylin analog
  • Obesity induced by Cushing syndrome or a diagnosis of monogenetic or syndromic forms of obesity
  • History of severe psychiatric disorders
  • History of any hematologic conditions that may interfere with HbA1c measurement
  • Known history or presence of pancreatitis
  • Known clinically significant gastric emptying abnormality or chronic treatment that affects GI motility
  • New York Heart Association Functional Classification IV heart failure
  • Pregnant or breastfeeding, or intending to become pregnant during the study or within the time frame in which contraception is required

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

ObesityOverweight

Condition Hierarchy (Ancestors)

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

Study Officials

  • Clinical Trials

    Hoffmann-La Roche

    STUDY DIRECTOR

Central Study Contacts

Reference Study ID Number: CC46372 https://forpatients.roche.com/

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 11, 2026

First Posted

May 15, 2026

Study Start (Estimated)

June 30, 2026

Primary Completion (Estimated)

November 12, 2027

Study Completion (Estimated)

January 31, 2028

Last Updated

May 15, 2026

Record last verified: 2026-05

Data Sharing

IPD Sharing
Will share

For eligible studies, qualified researchers may request access to individual patient level clinical data. See Roche's commitment to transparency of clinical study information here: https://go.roche.com/data\_sharing