Purpose

The primary objective of the trial is to evaluate the effect of maridebart cafraglutide on the pharmacokinetics (PK) of a combined oral contraceptive (COC) in postmenopausal female participants living with overweight or obesity.

Conditions

Eligibility

Eligible Ages
Between 45 Years and 65 Years
Eligible Sex
Female
Accepts Healthy Volunteers
No

Inclusion Criteria

  1. Participants must be postmenopausal females 45 to 65 years of age. Postmenopausal status must be confirmed based on the protocol-defined criteria. 2. Body mass index must be ≥ 25.0 and ≤ 38.0 kg/m^2. 3. Body weight must be stable, with less than 5 kg self-reported change in the 3 months before screening. 4. Participants must not have changed their diet or started a nutritional lifestyle modification program within 3 months before screening. 5. Other inclusion criteria may apply.

Exclusion Criteria

  1. History or evidence of any clinically significant medical condition, abnormal physical exam, ECG, vital sign, or laboratory finding that could increase risk or interfere with study participation. 2. History of diabetes, active diabetes, or hemoglobin A1c 6.5% or higher. 3. Endocrine disorders that can cause obesity, such as Cushing's syndrome. 4. History of acute or chronic pancreatitis within 1 year before check-in, pancreatic enzyme elevations greater than 2 times the upper limit of normal, or fasting triglycerides greater than 300 mg/dL. 5. Bleeding or clotting disorders, abnormal coagulation tests, or a history of venous or arterial blood clots or conditions that increase clot risk. 6. LDL cholesterol greater than 159 mg/dL. 7. Migraine with aura, normal pressure hydrocephalus, or ischemic optic neuropathy. 8. Malignancy within the past 5 years, except nonmelanoma skin cancer. 9. Unexplained postmenopausal vaginal bleeding, untreated endometrial disease, or other gynecologic conditions that could worsen with estrogen/progestin therapy. 10. Personal or family history of medullary thyroid carcinoma or multiple endocrine neoplasia type 2, or uncontrolled thyroid disease. 11. Gastroparesis, inability to swallow oral medication, clinically important gastrointestinal disease, malabsorption, uncontrolled inflammatory bowel disease, certain gastrointestinal surgeries, or recent bariatric surgery. 12. Clinically significant cardiovascular disease, clinically significant arrhythmia, long QT syndrome, QTcF greater than 470 msec, second- or third-degree atrioventricular block, or clinically important abnormal pulse rate or systolic blood pressure > 150 mmHg or < 90 mmHg, diastolic blood pressure > 95 mmHg or < 50 mmHg. 13. Allergy, hypersensitivity, intolerance, or contraindication to maridebart cafraglutide, ethinyl estradiol, or orgestimate. 14. Reduced kidney function with estimated glomerular filtration rate 60 mL/min/1.73 m^2 or lower, ALT or AST greater than 2 times the upper limit of normal, or a history of acute or chronic liver disease, hepatic adenoma, or hepatic carcinoma. 15. Hemoglobin or hematocrit below the lower limit of normal. 16. Positive HIV test, or positive hepatitis B surface antigen or hepatitis C antibody at screening. 17. Lifetime history of suicide attempt, non-suicidal self-injury within 5 years, or unstable major depressive disorder or other severe psychiatric disorder within 2 years. 18. Positive pregnancy test at screening or check-in. 19. Recent use of medications that could affect study participation, including most prescription or over-the-counter medications, systemic hormone replacement therapy, certain contraceptive hormones, CYP enzyme inducers or inhibitors, GLP-1 receptor or GIP receptor agents, and nonpermitted herbal products, vitamins, or supplements. 20. Recent participation in another investigational study, prior participation in this study, or prior exposure to maridebart cafraglutide. 21. Tobacco or nicotine use within 3 months before check-in, positive cotinine test, history of alcoholism or drug abuse, positive alcohol or illicit drug testing, recent illicit drug use, or unwillingness to avoid illicit drugs or cannabinoids during the study. 22. Recent blood, plasma, or platelet donation. 23. Other exclusion criteria may apply.

Study Design

Phase
Phase 1
Study Type
Interventional
Allocation
Non-Randomized
Intervention Model
Single Group Assignment
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
COC + Maridebart Cafraglutide
Participants will receive COC orally and maridebart cafraglutide subcutaneously (SC).
  • Drug: COC
    Administered orally.
  • Drug: Maridebart Cafraglutide
    Administered as SC injection.
    Other names:
    • AMG 133

Recruiting Locations

Fortrea Clinical Research Unit - Daytona Beach
Daytona Beach, Florida 32117-5116

Fortrea Clinical Research Unit - Dallas
Dallas, Texas 75247-4968

Fortrea Clinical Research Unit Inc. - Madison
Madison, Wisconsin 53704-2526

More Details

Status
Recruiting
Sponsor
Amgen

Study Contact

Amgen Call Center
866-572-6436
medinfo@amgen.com

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.