- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04714554
A Study of the Effects of Erythromycin on the Pharmacokinetics of Relugolix, Estradiol, and Norethindrone in Healthy Postmenopausal Women and on the Pharmacokinetics of Relugolix in Healthy Adult Men
A Two-Part, Open-Label, Fixed-Sequence, Two-Period Crossover Study to Assess the Effects of Erythromycin on the Pharmacokinetics of Relugolix, Estradiol, and Norethindrone After Administration of the Relugolix/Estradiol/Norethindrone Acetate Fixed-Dose Combination Tablet in Healthy Postmenopausal Women and on the Pharmacokinetics of Relugolix After Administration of a Single 120-mg Dose in Healthy Adult Men
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
-
-
Florida
-
Hialeah, Florida, United States, 33014
- Clinical Pharmacology of Miami, An Evolution Research Group Portfolio Company
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Key Inclusion Criteria:
- Study participant is considered to be medically healthy, based on a clinical evaluation including medical history, physical examinations, clinical laboratory tests, vital sign measurements, and a 12-lead electrocardiogram performed at the screening visit. Specifically, study participants should meet the following requirements at the screening visit:
- Heart/pulse rate of 50 to 90 beats per minute, inclusive;
- Systolic blood pressure of 90 to 139 millimeters of mercury (mmHg) and a diastolic blood pressure of 60 to 89 mmHg, inclusive;
- A QT interval with Fridericia's correction (QTcF, QTcF = QT/RR(0.33)) ≤ 470 milliseconds;
- Normal renal function at the screening visit, defined as an estimated creatinine clearance ≥ 90 milliliters (mL)/minute by the Cockcroft-Gault equation;
- An alanine aminotransferase, aspartate aminotransferase or bilirubin value within normal limits.
- Part 1 only: Study participant is a female between 40 and 65 years of age, inclusive, at the screening visit.
- Part 2 only: Study participant is a male between 18 and 65 years of age, inclusive, at the screening visit.
- Study participant has a body mass index from ≥ 18.5 to ≤ 32.0 (Part 1) or from ≥ 18.5 to ≤ 30.0 (Part 2) (kilograms/square meter), at the screening visit.
- Part 1 only: Study participant is a postmenopausal female defined as 12 months of spontaneous amenorrhea without an alternative medical cause or six weeks status post bilateral oophorectomy (with or without hysterectomy). A serum follicle-stimulating hormone (FSH) ≥ 40 milli-international units/mL is required to confirm postmenopausal status. Note: women who are amenorrheic due to a surgical procedure (hysterectomy without oophorectomy) and are considered physiologically postmenopausal based on FSH values may participate.
Key Exclusion Criteria:
- Study participant has a clinically significant medical or psychiatric condition or disease (acute or chronic) that, as judged by the investigator, would make the study participant ineligible for participation in the study (for example, compromise the study data, limit the study participant's ability to complete and/or participate in the study).
- Study participant has a current condition or history of significant endocrine, hepatic, renal, hematologic, pulmonary, cardiovascular, gastrointestinal, urologic, immunologic, or neurologic disorders that, as judged by the investigator, would make the study participant ineligible for participation in the study.
- Study participants with a pre-existing condition interfering with normal gastrointestinal anatomy (with the exception of an uncomplicated appendectomy) or motility, hepatic and/or renal function that could interfere with the absorption, metabolism, and/or excretion of the study drugs.
- Study participant has unconjugated bilirubin values consistent with Gilbert's syndrome or a history of or current gall bladder or bile-duct disease.
- Part 1 only: Study participant has any contraindications to treatment with E2 and NETA, based on medical history:
- Undiagnosed abnormal genital bleeding;
- Known or suspected history of breast cancer;
- Known or suspected estrogen-dependent neoplasia;
- Active deep vein thrombosis, pulmonary embolism, or history of these conditions;
- Active arterial thromboembolic disease (for example, stroke and myocardial infarction), or a history of these conditions;
- Known anaphylactic reaction or angioedema or hypersensitivity to estradiol or norethindrone acetate;
- Known hepatic impairment or disease;
- Known protein C, protein S, or antithrombin deficiency, or other known thrombophilic disorders.
- Study participant has used prescription or non-prescription drugs, including vitamins and dietary or herbal supplements within 14 days (or 5 half-lives, whichever is longer) prior to study drug administration on Day 1 of Treatment Period 1, unless in the opinion of the Sponsor the medication will not interfere with interpretation of study data or compromise the safety of study participants.
- Study participant has used any medication known to be a strong cytochrome P450 3A inducer and/or P glycoprotein inducer within the timeframe prior to study drug administration on Day 1 of Treatment Period 1.
- Part 1 only: Study participant has used medications containing hormonal products, including injectables, within the timeframe prior to study drug administration on Day 1 of Treatment Period 1.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NON_RANDOMIZED
- Interventional Model: CROSSOVER
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Part 1: Relugolix/E2/NETA Plus Erythromycin
Treatment Period 1: Healthy premenopausal women will receive a relugolix/E2/NETA (40 mg/1 mg/0.5 mg) alone on Day 1. Treatment Period 2: Healthy premenopausal women will receive erythromycin on Day 1 through 12 (500 mg, QID), with co-administration of a single dose of relugolix/E2/NETA (40 mg/1 mg/0.5 mg) with the morning dose of erythromycin on Day 8. |
Relugolix/E2/NETA (40 mg/1 mg/0.5 mg) FDC tablet; oral administration.
Other Names:
Erythromycin 500-mg tablets; oral administration.
|
EXPERIMENTAL: Part 2: Relugolix Plus Erythromycin
Treatment Period 1: Male participants will receive a single 120-mg dose of relugolix alone on Day 1. Treatment Period 2: Male participants will receive erythromycin on Days 1 through 12 (500 mg, QID), with co-administration of a single 120-mg dose of relugolix with the morning dose of erythromycin on Day 8. |
Erythromycin 500-mg tablets; oral administration.
Relugolix 120-mg tablets; oral administration.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Area Under The Concentration-time Curve From Time 0 Extrapolated To Infinity (AUC0-inf) Of Relugolix Or Other Analytes
Time Frame: Day 8 predose and up to 120 hours postdose at multiple time points during Treatment Period 2 (Study Days 10 to 22)
|
Day 8 predose and up to 120 hours postdose at multiple time points during Treatment Period 2 (Study Days 10 to 22)
|
Maximum Plasma Concentration (Cmax) Of Relugolix Or Other Analytes
Time Frame: Day 8 predose and up to 120 hours postdose at multiple time points during Treatment Period 2 (Study Days 10 to 22)
|
Day 8 predose and up to 120 hours postdose at multiple time points during Treatment Period 2 (Study Days 10 to 22)
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Overall Incidence Of Adverse Events
Time Frame: 10 Weeks
|
10 Weeks
|
Predose Trough Plasma Concentrations (Ctrough) Of Erythromycin
Time Frame: Predose on Day 7 and 8 of Treatment Period 2 (Study Days 10 to 22)
|
Predose on Day 7 and 8 of Treatment Period 2 (Study Days 10 to 22)
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Enzyme Inhibitors
- Gastrointestinal Agents
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Anti-Bacterial Agents
- Protein Synthesis Inhibitors
- Hormone Antagonists
- Androgen Antagonists
- Erythromycin
- Erythromycin Estolate
- Erythromycin Ethylsuccinate
- Erythromycin stearate
- Relugolix
Other Study ID Numbers
- MVT-601-054
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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