A Study to Investigate the Effect of AZD6234, AZD9550, and a Combination of AZD9550 and AZD6234 on Pharmacokinetics of Combined Oral Contraceptive Ethinyl Estradiol/Levonorgestrel in Healthy Female Participants Living With Overweight or Obesity
An Open-label, Single-sequence Multiple Cohort Study to Assess the Effect of Multiple Doses of AZD6234, AZD9550, and a Combination of AZD9550 and AZD6234 on the Pharmacokinetics of Single Doses of Combined Oral Contraceptive Ethinyl Estradiol/Levonorgestrel in Healthy Female Participants Living With Overweight or Obesity
1 other identifier
interventional
50
1 country
2
Brief Summary
This study will measure the effects of multiple doses of AZD6234, AZD9550 and a combination of AZD9550 and AZD6234 given as injection(s) on pharmacokinetics (PK) of combined oral contraceptive (CoC) ethinyl estradiol (EE)/levonorgestrel (LEVO) in healthy female participants with obesity.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started Jun 2025
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 2, 2025
CompletedStudy Start
First participant enrolled
June 4, 2025
CompletedFirst Posted
Study publicly available on registry
June 10, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 25, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 25, 2026
April 13, 2026
April 1, 2026
1.6 years
June 2, 2025
April 9, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (5)
Area under the concentration-time curve from time 0 to infinity (AUCinf) of EE and LEVO
To assess the effect of multiple doses of AZD6234, multiple doses of co-administered AZD9550 and AZD6234, and multiple doses of AZD9550 on the PK of single doses of CoC EE/LEVO.
Cohort 1: At predefined intervals from Day -5 up to Day 99; Cohort 2 : At pre-defined interval from Day -5 up to Day 169; Cohort 3: At predefined intervals from Day -5 up to Day 272
Area under the concentration-time curve from time of dosing to the last measurable concentration (AUClast) of EE and LEVO
To assess the effect of multiple doses of AZD6234, multiple doses of co-administered AZD9550 and AZD6234, and multiple doses of AZD9550 on the PK of single doses of CoC EE/LEVO.
Cohort 1: At predefined intervals from Day -5 up to Day 99; Cohort 2: At pre-defined interval from Day -5 up to Day 169; Cohort 3: At predefined intervals from Day -5 up to Day 272
Maximum plasma concentration (Cmax) of EE and LEVO
To assess the effect of multiple doses of AZD6234, multiple doses of co-administered AZD9550 and AZD6234, and multiple doses of AZD9550 on the PK of single doses of CoC EE/LEVO.
Cohort 1: At predefined intervals from Day -5 up to Day 99; Cohort 2 : At pre-defined interval from Day -5 up to Day 169; Cohort 3: At predefined intervals from Day -5 up to Day 272
Time to reach maximum drug concentration in plasma (tmax) of EE and LEVO
To assess the effect of multiple doses of AZD6234, multiple doses of co-administered AZD9550 and AZD6234, and multiple doses of AZD9550 on the PK of single doses of CoC EE/LEVO.
Cohort 1: At predefined intervals from Day -5 up to Day 99; Cohort 2: At pre-defined interval from Day -5 up to Day 169; Cohort 3: At predefined intervals from Day -5 up to Day 272
Elimination half-life (t1/2λz) of EE and LEVO
To assess the effect of multiple doses of AZD6234, multiple doses of co-administered AZD9550 and AZD6234, and multiple doses of AZD9550 on the PK of single doses of CoC EE/LEVO.
Cohort 1: At predefined intervals from Day -5 up to Day 99; Cohort 2: At pre-defined interval from Day -5 up to Day 169; Cohort 3: At predefined intervals from Day -5 up to Day 272
Secondary Outcomes (11)
Number of participants with adverse events (AEs)
Cohort 1: Up to Day 120; Cohort 2: Up to Day 216; Cohort 3: Up to Day 272
Number of participants developing detectable anti-drug antibodies (ADAs) against AZD6234 and AZD9550
Cohort 1: At predefined intervals from Day -2 up to Day 120; Cohort 2: At predefined intervals from Day -2 up to Day 216; Cohort 3: At predefined intervals from Day -2 up to Day 272
Area under plasma concentration-time curve from time 0 to 168 hours postdose (AUC0-168h) of AZD6234
Cohort 1: At predefined intervals from Day 1 to Day 120
AUClast of AZD6234
Cohort 1: At predefined intervals from Day 1 to Day 120
Cmax of AZD6234
Cohort 1: At predefined intervals from Day 1 to Day 120
- +6 more secondary outcomes
Study Arms (3)
Cohort-1 AZD6234 + EE/LEVO + Acetaminophen (APAP)
EXPERIMENTALAll participants will receive CoC (EE/LEVO) and separately, APAP, treatments throughout the study during the up-titration and maintenance periods of subcutaneous AZD6234 administration.
Cohort-2: AZD6234+AZD9550+EE/LEVO+APAP
EXPERIMENTALAll participants will receive CoC (EE/LEVO) and separately, APAP, treatments throughout the study during the up-titration and maintenance periods of subcutaneous AZD6234 and AZD9550 administration.
Cohort-3 AZD9550 + EE/LEVO + APAP
EXPERIMENTALAll participants will receive CoC (EE/LEVO) and separately, APAP, treatments throughout the study during the up-titration and maintenance periods of subcutaneous AZD9550 administration.
Interventions
AZD6234 will be administered as a subcutaneous injection in the abdomen.
EE/LEVO will be administered as combined oral tablets.
APAP will be administered orally as a solution.
AZD9550 will be administered as a subcutaneous injection in the abdomen.
Eligibility Criteria
You may qualify if:
- All participants must have a negative pregnancy test at the Screening Visit and on admission to the Clinical Unit.
- Females of childbearing potential must not be lactating and if heterosexually active, must agree to use an approved method of highly effective contraception.
- o Hormonal contraceptives and estrogen-containing hormonal methods of birth control are not permitted due to potential effect and influence on the results using a CoC assessment.
- Females of non-childbearing potential must be confirmed at the Screening Visit.
- Have a Body Mass Index (BMI) between 25 and 40 kg/m2, both inclusive and weigh at least 60 kg.
You may not qualify if:
- History of any clinically important disease or disorder (gastroparesis, deep vein thrombosis, venous thromboembolism, previous surgery of the upper gastrointestinal tract, cardiovascular disease, neuromuscular or neurogenic disease, severe vitamin D deficiency (cohort 1 and cohort 2), type I or type II diabetes mellitus, glycated hemoglobin (HbA1c) ≥ 6.5% at screening, history of neoplastic disease, basal calcitonin level \>50 ng/L (50 pg/L) at screening (cohort 2 and cohort 3), history of acute or chronic pancreatitis or pancreatic amylase or lipase \>2×ULN at screening (cohort 2 and cohort 3), prior history of cholecystectomy or untreated cholelithiasis and personal or family history of medullary thyroid cancer (MTC) or multiple endocrine neoplasia type 2 (MEN2) (cohort 2 and cohort 3).
- History or presence of gastrointestinal, hepatic, or renal disease or any other condition known to interfere with absorption, distribution, metabolism, or excretion of drugs.
- Any clinically important illness, medical/surgical procedure, or trauma.
- Any laboratory values with deviations or clinically important abnormalities in clinical chemistry, hematology, or urinalysis.
- Any positive result on screening for serum Hepatitis B surface antigen (HBsAg), Hepatitis B core antibody (HBcAb) or Human immunodeficiency virus (HIV).
- Abnormal vital signs.
- Any clinically important abnormalities in rhythm, conduction, or morphology of the resting 12 lead electrocardiogram (ECG), at screening.
- Current smokers or those who have smoked or used nicotine products.
- Known or suspected history of alcohol or drug abuse or excessive intake of alcohol.
- History of severe allergy/hypersensitivity or ongoing clinically important allergy/hypersensitivity.
- Statin treatment within 4 weeks prior to the start of study treatment.
- Current use of estrogen-containing products.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- AstraZenecalead
Study Sites (2)
Research Site
Glendale, California, 91206, United States
Research Site
Brooklyn, Maryland, 21225, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Central Study Contacts
AstraZeneca Clinical Study Information Center
CONTACT
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 2, 2025
First Posted
June 10, 2025
Study Start
June 4, 2025
Primary Completion (Estimated)
December 25, 2026
Study Completion (Estimated)
December 25, 2026
Last Updated
April 13, 2026
Record last verified: 2026-04
Data Sharing
- IPD Sharing
- Will share
- Time Frame
- AstraZeneca will meet or exceed data availability as per the commitments made to the EFPIA PhRMA Data Sharing Principles. For details of our timelines, please rerefer to our disclosure commitment at https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure.
- Access Criteria
- When a request has been approved AstraZeneca will provide access to the anonymized individual patient-level data via secure research environment Vivli.org. Signed Data Usage Agreement (non-negotiable contract for data accessors) must be in place before accessing requested information.
Qualified researchers can request access to anonymized individual patient-level data from AstraZeneca group of companies sponsored clinical trials via the request portal Vivli.org. All requests will be evaluated as per the AZ disclosure commitment: https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure. Yes, indicates that AZ are accepting requests for IPD, but this does not mean all requests will be shared.