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Ethinyl Estradiol and Cyproterone Acetate in Irregular Menstruation

Phase IV Study of the Use of Two Preparations of Ethinyl Estradiol and Cyproterone Acetate in Irregular Menstruation of Hyper-androgenic Origin

Status
UNKNOWN
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01103518
Enrollment
100
Registered
2010-04-14
Start date
2009-12-31
Completion date
2011-01-31
Last updated
2010-08-06

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

Conditions

Amenorrhea, Dysmenorrhea, Hyperandrogenism, Menstruation Disturbances

Keywords

Menstrual irregularity, Menstruation disturbances, Hyperandrogenism

Brief summary

This is a Phase IV, randomized, double-blind, comparative study of the use of two preparations of ethinyl estradiol and cyproterone acetate in the treatment of menstrual irregularities of hyper-androgenic origin.

Interventions

DRUGEthinyl Estradiol + Cyproterone acetate

Ethinyl Estradiol (0.035mg) + Cyproterone acetate (2mg), coated tablets. Each treatment cycle consists of one tablet, once per day for 21 days followed by a 7-day rest period. A total of 4 treatment cycles will be completed during the study treatment period.

Sponsors

Fundação Educacional Serra dos Órgãos
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* Female subject * Premenopausal subject * 18 years or older * Medical history of irregular menses lasting at least 3 months * Signature of informed consent

Exclusion criteria

* Pregnancy * Use of hormonal contraceptives within 3 months of screening * Primary bilateral oophorectomy * Chemotherapy and / or radiotherapy within 6 months of screening * Hysterectomy * Myotonic dystrophy * Galactosemia * Galactorrhea * History of tuberculosis or schistosomiasis * Elevated prolactin / other significant laboratory alterations * Diabetes * Premature ovarian deficiency * Sensitivity to any component of the drug formula

Design outcomes

Primary

MeasureTime frameDescription
Regular MenstruationTreatment month 3Percentage of subjects with regular menstruation at the end of treatment month 3

Secondary

MeasureTime frameDescription
Menstrual colicTreatment month 3Percentage of subjects reporting menstrual colic at pretreatment and at treatment month 3.
Global self evaluation scoresTreatment month 6Percentage of subjects with scores of 9 and 10 on the self evaluation of global condition.
Willingness to continue treatmentTreatment month 6Percentage of subjects willing to continue treatment with study drug
Menstrual flowTreatment months 3Percentage of subjects with light, moderate, or heavy menstrual flow at treatment month 3
Menstrual FlowTreatment month 4Percentage of subjects with light, moderate, or heavy menstrual flow at treatment month 4
Menstrual ColicTreatment month 4Percentage of subjects reporting menstrual colic at pretreatment and at treatment month 4.
SafetyTreatment and follow-up periodIncidence, duration and severity of adverse events, including laboratory tests.

Countries

Brazil

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026