A Study to Investigate the Pharmacokinetics of Ethinyl Estradiol and Levonorgestrel When Given Alone and in Combination With Baxdrostat in Healthy Females of Non-childbearing Potential

Completed · Phase 1

Conditions studied: Healthy Participants

In brief

The main purpose of the study is to assess the effect of multiple doses of baxdrostat on the pharmacokinetics (PK) of a single dose of combined oral ethinyl estradiol (EE) and levonorgestrel (LNG). Safety and tolerability of baxdrostat will be assessed during the study.

Key facts

Study ID

NCT06657105

Run by

AstraZeneca

People needed

22

Starts

2024-11-01

Expected to finish

2025-02-03

Last updated by the study team

2025-02-07

Who can join

Age: 35 and older, up to 75. Sex: female. Healthy volunteers: accepted.

You may qualify if…

• Females must have a negative pregnancy test at the Screening Visit and Study Day -1 (admission to Clinical Unit) and must not be lactating and must be of non-childbearing potential, confirmed at Screening by fulfilling one of the following criteria:
• Postmenopausal defined as amenorrhea for at least 12 months following cessation of all exogenous hormonal treatments and FSH levels in the postmenopausal range (Follicular Stimulating Hormone (FSH) > 40 mIU/mL).
• Documentation of irreversible surgical sterilization by hysterectomy, bilateral oophorectomy, or bilateral salpingectomy but not tubal ligation or tubal occlusion.
• Have a Body Mass Index (BMI) between 18 and 30 kg/m2

You may not qualify if…

• History of any clinically important disease or disorder which, in the opinion of the Investigator
• History or presence of gastrointestinal, hepatic, or renal disease or any other condition known to interfere with absorption, distribution, metabolism, or excretion of drugs.
• Sex hormone therapy within one month before study.
• History of drug-related hepatic toxicity.
• History or family history of potential risk of arterial and venous thromboembolic events (eg, factor V Leiden mutation).
• History of cardiovascular risk (eg, history of myocardial infarction).
• Any laboratory values with the following deviations at the Screening Visit and Study Day -1 (admission to Clinical Unit).
• Any positive result on screening for serum HBsAg, HBcAb, HCV or HIV.
• History of any treatment with QT prolongation drugs.
• Current smokers or know history of alcohol or drug abuse.
• History or ongoing severe allergy/hypersensitivity.
• An increased risk for developing SAEs or a contraindication associated with administration of EE, or LNG such as history of thrombosis or thromboembolism, presence of estrogen dependent tumors, hypertension, migraines, and liver disease.
• Participants treated with strong CYP3A4 inhibitors or inducers within 3 months or longer (5 half-lives) prior to first administration of IMP in this study.
• Plasma donation within one month of the Screening Visit or any blood donation/blood loss > 500 mL during the 3 months prior to the Screening Visit.
• Has received another new chemical entity (defined as a compound which has not been approved for marketing) within 30 days or 5 half-lives (whichever is longest) of the first administration of IMP in this study.
• Participants who are vegans or have medical dietary restrictions and vulnerable participants.

Where it is running

• Research Site — Brooklyn, Maryland, United States

Full record on ClinicalTrials.gov

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