Status:

COMPLETED

Safety, Compliance and Pharmacokinetics of Estetrol Monohydrate/Drospirenone 15/3 mg in Post-menarchal Female Adolescents

Lead Sponsor:

Estetra

Conditions:

Safety

Eligibility:

FEMALE

12-17 years

Phase:

PHASE3

Brief Summary

To evaluate the safety, compliance, and pharmacokinetics profile of estetrol monohydrate (E4) 15 mg combined with drospirenone (DRSP) 3 mg in post-menarchal participants between the age of 12 and 17 y...

Detailed Description

This is a Phase 3, open-label, non-controlled study in healthy post-menarchal female participants who will be enrolled to receive once daily E4/DRSP 15/3 mg for six (6) 28-day cycles in a 24/4-day reg...

Eligibility Criteria

Inclusion

  • Post-menarchal female participant requesting combined oral contraceptive (COC) either for contraceptive or for therapeutic use.
  • Negative serum pregnancy test at screening and negative urine pregnancy test at enrollment.
  • Aged 12 to 17 years and 2 months (inclusive) \[Estonia-specific: 15 to 17 years and 2 months (inclusive)\] at the time of signing the informed consent.
  • Willing to use the investigational product for 6 consecutive cycles.
  • Good physical and mental health on the basis of medical, surgical and gynecological history, physical examination, clinical laboratory, and vital signs.
  • Body mass index (BMI) below or equal to the percentile 97 (P97) on the local pediatric BMI curves.
  • Able to fulfill the requirements of the protocol, undergo all study procedures including e-diary and questionnaires completion.
  • Having indicated the willingness to participate in the study by providing written assent.
  • Having parent(s) or legal representative(s) willing and able to provide written informed consent.

Exclusion

  • For participants who are not using hormonal contraception at screening, a menstrual cycle length shorter than 21 days or longer than 45 days.
  • Currently using an injectable or a dermally implantable hormonal method of contraception.
  • Known hypersensitivity to any of the investigational product ingredients.
  • Currently pregnant or breastfeeding or with the intention to become pregnant during the course of the study.
  • Less than 6 weeks since last delivery/2nd trimester abortion and before spontaneous menstruation has occurred following a delivery or 2nd trimester abortion.
  • Any condition representing a contraindication / precaution to the use of COCs, including but not limited to:
  • dyslipoproteinaemia,
  • diabetes mellitus with vascular involvement (nephropathy, retinopathy, neuropathy, other),
  • arterial hypertension (controlled and uncontrolled)
  • personal or first-degree family history of deep vein thrombosis or pulmonary embolism,
  • current or planned prolonged immobilization,
  • known inherited or acquired hypercoagulopathies or thrombogenic mutations (e.g. Factor V Leiden mutation),
  • current treatment with anticoagulants,
  • presence or history of arterial thromboembolism,
  • complicated valvular heart disease,
  • systemic lupus erythematosus,
  • presence or history of migraine with aura,
  • symptomatic gallbladder disease,
  • porphyria.
  • Within the past 6 months, undiagnosed (unexplained) abnormal vaginal bleeding, or any abnormal bleeding that could possibly recur during the study.
  • Presence or history of recurrent pelvic inflammatory disease.
  • Any clinically relevant lower genital tract infection (including gonorrhea and chlamydia infections) until successfully treated, in the opinion of the Investigator.
  • Presence or history of hepatic disease as long as liver function values have not returned to normal.
  • Renal impairment
  • Hyperkalemia or presence of conditions that predispose to hyperkalemia such as renal impairment, hepatic impairment, adrenal insufficiency and daily, long-term treatment for chronic conditions or diseases with medications that may increase serum potassium concentration (e.g. angiotensin-converting-enzyme (ACE) inhibitors, angiotensin-II receptor antagonists, potassium-sparing diuretics, potassium supplementation, heparin, aldosterone antagonist and non-steroidal anti-inflammatory drugs).
  • History of organ transplantation within 5 years before screening or chronic disease potentially necessitating organ transplantation during the anticipated course of the study.
  • Presence or history of sex hormone-related malignancy.
  • History of non-hormone-related malignancy within 5 years before screening.
  • Current regular use or regular use within 1 month prior to Visit 2 of drugs potentially triggering interactions with COCs including but not limited to:
  • Cytochrome P450 3A4 (CYP 3A4) inducers: barbiturates, primidone, bosentan, felbamate, griseofulvin, oxcarbazepine, topiramate, carbamazepine, phenytoin, rifampicin, St John's wort (Hypericum perforatum L).
  • CYP 3A4 inhibitors: azole antifungals excluding topical fluconazole, phenylbutazone, modafinil, cimetidine, verapamil, macrolides excluding azithromycin, diltiazem and grapefruit juice.
  • Human immunodeficiency virus (HIV)/Hepatitis C virus (HCV) protease inhibitors and non-nucleoside reverse transcriptase inhibitors.
  • History of alcohol or drug abuse (including laxatives) within 12 months prior to screening.
  • Any surgical or medical condition which might significantly alter the absorption, distribution, metabolism, or excretion of drugs.
  • Uncontrolled thyroid disorders.
  • Participation in another investigational drug clinical study within 1 month (30 days) or have received an investigational drug within the last month (30 days) prior to screening.
  • Sponsor, Contract Research Organization (CRO) or Investigator's site personnel directly affiliated with this study.
  • The participant is judged by the Investigator to be unsuitable for any reason.
  • \[Estonia-specific: Subjects who are at a gynecologist visit for the first time in their life may not sign the informed consent during this first visit.\]

Key Trial Info

Start Date :

December 28 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

November 24 2023

Estimated Enrollment :

145 Patients enrolled

Trial Details

Trial ID

NCT04792385

Start Date

December 28 2020

End Date

November 24 2023

Last Update

December 22 2023

Active Locations (23)

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Page 1 of 6 (23 locations)

1

KVL Medical Office/KVL Arstikabinet

Pärnu, Estonia

2

East-Tallinn Central Hospital

Tallinn, Estonia

3

Sexual Health Clinic, Tallinn

Tallinn, Estonia

4

Sexual Health Clinic, Tartu

Tartu, Estonia