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A dose finding study to assess contraceptive efficacy and the effect on liver function of estetrol contraception.

A dose finding study to assess the contraceptive efficacy and the effect on liver function of estetrol by daily oral administration to healthy female volunteers.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON27454
Enrollment
100
Registered
2009-10-31
Start date
2009-11-02
Completion date
Unknown
Last updated
2024-02-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hormonal contraceptive method

Interventions

Estetrol, in 3 different doses 5 mg E4, 10 mg E4 and 20 mg E4, each in combination with a progeston will be administered daily during three treatment cycles.

Sponsors

Estetra S.A. mw. X.Y. Zimmerman p/a Postbus 464 3700 AL Zeist Tel: +31 30 6 985 020 Fax: +31 30 6 985 021 yz@pantarheibio.com
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. At least 18 years and not older than 35 years of age; 2. Willing to use a barrier method of contraception during wash-out; 3. Women who ovulate in the pre-treatment cycle between day 9 and day 24; 4. Body mass index between 18 and 30 kg/m2; 5. Good physical and mental health as judged by the Investigator determined by medical and gynaecological history, physical examination, clinical laboratory and vital signs; 6. Both ovaries visible upon vaginal ultrasonography; 7. Willing to give informed consent in writing.

Exclusion criteria

Exclusion criteria: 1. Clinically significant abnormal results of routine haematology, serum biocemistry, urinalysis and/or ECG; 2. Women with a washout cycle with a duration of more than 42 days; 3. Known or suspected pregnancy; 4. Lactation; 5. Pregnancy during accurate hormonal contraceptive use in the past; 6. Known or suspected breast cancer or a history of breast cancer; 7. Clinically significant abnormalities of the uterus and/or ovaries detected by examination and/or ultrasound; 8. A cervical smear with clinically relevant cytology with three years before study start; 9. Use of (hormonal) IUD within 2 months before screening; 10. Use of phytoestrogens; 11. Contraindications for contraceptive steroids; 12. Use of one or more of the following medications: A. Antihypertensive drugs; B. Present use or within 2 cycles before start study medication: phenytoin, barbiturates, primidone, carbamazepine, oxcarbazepine, topiramate, felbamate, rifampicin, nelfinavir, ritonavir, griseofulvin, ketoconazole, sex steroids and St. John¡¯s wort (Hypericum perforatum). 13. Status post-partum or post-abortion within a period of 2 months before study start; 14. Administration of investigational drugs within 2 months before screening; 15. A history of (within 12 months) alcohol and drug abuse.

Design outcomes

Primary

MeasureTime frame
1. Follicle development will be measured in both ovaries by transvaginal ultrasound during the pre-treatment cycle, cycle 1 and cycle 3 on frequent timepoints during each cycle; 2. Liver parameters (carrier proteins, lipids, haemostasis, liver function, bone, glucose metabolism) will be measured at pre-treatment cycle, at the day 3 and 24 of cycle 1 and cycle 3, and at follow up visit.

Secondary

MeasureTime frame
1. Cervical smear; 2. Endometrial thickness; 3. Vaginal bleeding; 4. Endocrinology; 5. Safety.

Contacts

Public ContactC. Klipping

Hanzeplein 1

c.klipping@dinox.umcg.nl+31 (0)50 361 09 99

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)