RecruitingPhase 3NCT07284901

Efficacy and Safety of KAI-9531 Administered Once Weekly in Participants Living With Obesity or Overweight and Diabetes

A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of KAI-9531 Administered Once Weekly in Participants Living With Obesity or Overweight and Diabetes


Sponsor

Kailera

Enrollment

1,700 participants

Start Date

Jan 12, 2026

Study Type

INTERVENTIONAL

Conditions

Summary

The primary objective of this study is to demonstrate that KAI-9531 subcutaneous (SC) injection once weekly is superior to placebo on: * Percent change in body weight * Change in hemoglobin A1c (HbA1c)


Eligibility

Min Age: 18 Years

Inclusion Criteria4

  • Diagnosis of type 2 diabetes mellitus (T2DM).
  • Receiving stable therapy for T2DM for 3 months prior to Screening. This includes diet/exercise alone and any oral medication for T2DM treatment except for glucagon-like peptide-1 receptor (GLP-1R) agonist, GLP-1R/glucose-dependent insulinotropic polypeptide receptor (GIPR) dual agonist, or dipeptidyl peptidase-4 (DPP-4) inhibitors.
  • BMI ≥27 kg/m\^2.
  • History of at least 1 self-reported unsuccessful effort to lose weight with diet and exercise within the prior 6 months.

Exclusion Criteria12

  • Current diagnosis or history of type 1 diabetes mellitus (T1DM) or any other type of diabetes except T2DM.
  • History of diabetic ketoacidosis or hyperosmolar state/coma within 1 year prior to Screening.
  • History of severe hypoglycemia or hypoglycemia unawareness within 1 year prior to Screening.
  • 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 (GI) motility if taken for >30 days continually within 3 months prior to Screening.
  • History of suicide attempt.
  • History of significant active or unstable Major Depressive Disorder (MDD) or other severe psychiatric disorder within 2 years prior to Screening.
  • Received treatment with semaglutide, tirzepatide, GLP-1 receptor agonists, GLP-1/glucose-dependent insulinotropic polypeptide (GIP) agonists, glucagon receptor agonists, or other weight loss medications or treatments aside from diet and exercise within 3 months prior to Screening.

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Interventions

DRUGKAI-9531

SC Injection

DRUGPlacebo

SC Injection


Locations(37)

Kailera Clinical Site

Cullman, Alabama, United States

Kailera Clinical Site

Phoenix, Arizona, United States

Kailera Clinical Site

Sun City, Arizona, United States

Kailera Clinical Site

Little Rock, Arkansas, United States

Kailera Clinical Site

Escondido, California, United States

Kailera Clinical Site

Northridge, California, United States

Kailera Clinical Site

Oceanside, California, United States

Kailera Clinical Site

Toluca Lake, California, United States

Kailera Clinical Site

Stamford, Connecticut, United States

Kailera Clinical Site

Jupiter, Florida, United States

Kailera Clinical Site

Orange City, Florida, United States

Kailera Clinical Site

Lilburn, Georgia, United States

Kailera Clinical Site

Springfield, Illinois, United States

Kailera Clinical Site

Newton, Kansas, United States

Kailera Clinical Site

Shreveport, Louisiana, United States

Kailera Clinical Site

Columbia, Maryland, United States

Kailera Clinical Site

Missoula, Montana, United States

Kailera Clinical Site

Lincoln, Nebraska, United States

Kailera Clinical Site

Las Vegas, Nevada, United States

Kailera Clinical Site

Albany, New York, United States

Kailera Clinical Site

Greensboro, North Carolina, United States

Kailera Clinical Site

Morehead City, North Carolina, United States

Kailera Clinical Site

Chickasha, Oklahoma, United States

Kailera Clinical Site

Spartanburg, South Carolina, United States

Kailera Clinical Site

Chattanooga, Tennessee, United States

Kailera Clinical Site

Amarillo, Texas, United States

Kailera Clinical Site

Brownsville, Texas, United States

Kailera Clinical Site

DeSoto, Texas, United States

Kailera Clinical Site

Tomball, Texas, United States

Kailera Clinical Site

Salt Lake City, Utah, United States

Kailera Clinical Site

Richmond, Virginia, United States

Kailera Clinical Site

Sydney, New South Wales, Australia

Kailera Clinical Site

Sydney, New South Wales, Australia

Kailera Clinical Site

Wollongong, New South Wales, Australia

Kailera Clinical Site

Camberwell, Victoria, Australia

Kailera Clinical Site

Melbourne, Victoria, Australia

Kailera Clinical Site

Nelson, New Zealand

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NCT07284901