Skip to content

Dose-ranging Study to Evaluate the Efficacy, Safety, and Tolerability of AMG 133 in Adult Subjects With Overweight or Obesity, With or Without Type 2 Diabetes Mellitus

A Phase 2 Randomized, Placebo-controlled, Double-blind, Dose-ranging Study to Evaluate the Efficacy, Safety and Tolerability of AMG 133 in Adult Subjects With Overweight or Obesity, With or Without Type 2 Diabetes Mellitus

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2031220664
Enrollment
570
Registered
2023-02-28
Start date
2023-01-18
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obesity, Overweight, Type 2 Diabetes Mellitus

Interventions

- Experimental: Cohort A: Maridebart Cafraglutide Part 1: Cohort A will consist of participants without a diagnosis of type 1 or type 2 diabetes mellitus. Participants will be randomized to receive

Sponsors

Hama Yoriko
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Age >=18 years at the time of signing informed consent. 2. BMI >=30 kg/m^2, or >=27 kg/m^2 and previous diagnosis with at least one of the following comorbidities: hypertension, dyslipidemia, obstructive sleep apnea, cardiovascular disease for cohort A only. 3. For participants in cohort B only, HbA1c >= 7% and = 180 days prior to screening and either treated with diet and exercise alone or on stable (at least 90 days prior to screening) treatment with metformin, a sulfonylurea, or a sodium-glucose cotransporter 2 (SGLT2) inhibitor as monotherapy or combination therapy, per approved local label. 4. History of at least one unsuccessful dietary effort to lose body weight.

Exclusion criteria

Exclusion criteria: 1. Change in body weight greater than 5 kg within 3 months prior to screening. 2. Obesity induced by other endocrinologic disorders. 3. History of pancreatitis. 4. Family or personal history of medullary thyroid carcinoma or multiple endocrine neoplasia syndrome type 2 (MEN-2). 5. History of major depressive disorder within the last 2 years. 6. Any lifetime history of other major psychiatric disorder or suicide attempt.

Design outcomes

Primary

MeasureTime frame
1. Percent Change From Baseline to Week 52 in Body Weight [Time Frame: Baseline and Week 52]

Secondary

MeasureTime frame
1. Percentage of Participants Achieving >= 5% Reduction in Body Weight From Baseline at Week 52 [Time Frame: Baseline and Week 52] 2. Percentage of Participants Achieving >= 10% Reduction in Body Weight From Baseline at Week 52 [Time Frame: Baseline and Week 52] 3. Achievement of >= 15% Reduction in Body Weight From Baseline at Week 52 [Time Frame: Baseline and Week 52] 4. Achievement of >= 20% Reduction in Body Weight From Baseline at Week 52 [Time Frame: Baseline and Week 52] 5. Change from Baseline to Week 52 in Hemoglobin A1c (HbA1c) [Time Frame: Baseline and Week 52] 6. Change from Baseline to Week 52 in Fasting Serum Insulin [Time Frame: Baseline and Week 52] 7. Change from Baseline to Week 52 in Fasting Plasma Glucose [Time Frame: Baseline and Week 52] 8. Change from Baseline to Week 52 in Homeostasis Model Assessment for Insulin Resistance (HOMA2-IR) [Time Frame: Baseline and Week 52] 9. Change from Baseline to Week 52 in Homeostasis Model Assessment for Steady State Beta Cell Function (HOMA2-%B) [Time Frame: Baseline and Week 52] 10. Maximum Observed Plasma Concentration (Cmax) of maridebart cafraglutide [Time Frame: Up to Week 64] 11. Area Under the Concentration-time Curve (AUC) of maridebart cafraglutide [Time Frame: Up to Week 64] 12. Change from Baseline to Week 52 in Waist Circumference [Time Frame: Baseline and Week 52] 13. Change from Baseline to Week 52 in Body Weight [Time Frame: Baseline and Week 52] 14. Change from Baseline to Week 52 in Systolic Blood Pressure (SBP) [Time Frame: Baseline and Week 52] 15. Change from Baseline to Week 52 in Diastolic Blood Pressure (DBP) [Time Frame: Baseline and Week 52] 16. Change from Baseline to Week 52 in Body Fat Mass Using Dual-energy X-ray Absorptiometry (DEXA) [Time Frame: Baseline and Week 52] - Analyzed in a subset of participants. 17. Change from Baseline to Week 52 in Lean Body Mass Using DEXA [Time Frame: Baseline and Week 52] - Analyzed in a subset of participants. 18. Percent Change From Baseli

Countries

Australia, Canada, Czechia, Germany, Hong Kong, Hungary, Japan, Poland, South Korea, Spain, Taiwan, United States

Contacts

Public ContactContact Local

Amgen K.K.

clinicaltrials_japan@amgen.com+81-80-7217-8592

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026