Efficacy and Safety of KAI-9531 in Participants Living With Obesity or Overweight With Weight-Related Comorbidities Who Do Not Have Diabetes

NCT ID: NCT07284875

Last Updated: 2025-12-18

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

PHASE3

Total Enrollment

1800 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-12-31

Study Completion Date

2028-03-27

Brief Summary

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The primary objective of the study is to determine the effects of KAI-9531 subcutaneous (SC) injection once weekly compared to placebo on percent change in body weight.

Detailed Description

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Conditions

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Obesity Overweight

Keywords

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Overweight Obesity KAI-9531 Glucagon-like Peptide-1 GLP-1 Glucose-dependent Insulinotropic Peptide GIP

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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KAI-9531: Dose 1

Participants will receive Dose 1 of KAI-9531 once weekly.

Group Type EXPERIMENTAL

KAI-9531

Intervention Type DRUG

SC Injection

KAI-9531: Dose 2

Participants will receive Dose 2 of KAI-9531 once weekly.

Group Type EXPERIMENTAL

KAI-9531

Intervention Type DRUG

SC Injection

KAI-9531: Dose 3

Participants will receive Dose 3 of KAI-9531 once weekly.

Group Type EXPERIMENTAL

KAI-9531

Intervention Type DRUG

SC Injection

KAI-9531: Dose 4

Participants will receive Dose 4 of KAI-9531 once weekly.

Group Type EXPERIMENTAL

KAI-9531

Intervention Type DRUG

SC Injection

Placebo

Participants will receive placebo matched to KAI-9531 once weekly.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

SC Injection

Interventions

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KAI-9531

SC Injection

Intervention Type DRUG

Placebo

SC Injection

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* BMI ≥30 kg/m\^2 or BMI ≥27 kg/m\^2 and previously diagnosed with at least 1 of the following:

1. hypertension,
2. dyslipidemia,
3. obstructive sleep apnea, or
4. cardiovascular (CV) disease.
* History of at least 1 self-reported unsuccessful effort to lose weight with diet and exercise within the prior 6 months.

Exclusion Criteria

* Current diagnosis or history of diabetes mellitus.
* Started medications within 3 months prior to Screening that may cause significant weight gain, including, but not limited to, tricyclic antidepressants, atypical antipsychotics, and mood stabilizers.
* Unstable weight defined as self-reported change in body weight exceeding 5% within 3 months prior to Screening.
* Family or personal history of multiple endocrine neoplasia Type 2 or medullary thyroid cancer.
* Uncontrolled hypertension or unstable cardiovascular disease.
* History of chronic or acute pancreatitis.
* Known clinically significant gastric-emptying abnormality or chronic treatment with medications that directly affect gastrointestinal motility.
* History of suicide attempt.
* History of significant active or unstable Major Depressive Disorder (MDD) or other severe psychiatric disorder.
* Received treatment with semaglutide, tirzepatide, GLP-1 receptor agonist, GLP-1/glucose-dependent insulinotropic polypeptide (GIP), or glucagon receptor agonist within 3 months prior to Screening.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Kailera

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Central Contacts

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Kailera Therapeutics, Inc.

Role: CONTACT

Phone: 781-317-0291

Email: [email protected]

Other Identifiers

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2025-523486-17-00

Identifier Type: CTIS

Identifier Source: secondary_id

K9531-3103

Identifier Type: -

Identifier Source: org_study_id