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Effects of Letrozole compared with Danazole on patients with confirmed endometriosis: A randomized clinical trial

Effects of Letrozole compared with Danazole on patients with confirmed endometriosis: A randomized clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT138812043414N1
Enrollment
105
Registered
2010-05-28
Start date
2008-11-21
Completion date
Unknown
Last updated
2018-02-22

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

Conditions

Endometriosis. Endometriosis

Interventions

Intervention 1: Letrozole tablet (2.5mg/day),calcium (1000mg/day) and vitamin D (800 IU/day). Intervention 2: Danazole tablet (600mg/day), calcium (1000mg/day) and vitamin D (800 IU/day). Intervention
Treatment - Drugs
Placebo
Letrozole tablet (2.5mg/day),calcium (1000mg/day) and vitamin D (800 IU/day)
Danazole tablet (600mg/day), calcium (1000mg/day) and vitamin D (800 IU/day)
Placebo group received 2 calcium tablets/day (each tablet=500mg) and vitamin D (800 IU/day)

Sponsors

Medical University of Isfahan
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 44 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria were: women in reproductive age with regular menstruation cycles (18 to 45 days), confirmed endometriosis in laparoscopy, chronic pelvic pain and dysmenorrhoea for at least 2 weeks in each month during past 3 months. Exclusion criteria were: abnormal vaginal bleeding with unknown cause, ovarian cyst >2cm, hormone therapy during past 3 months, osteopenia, smoking, hypersensitivity to danazole and letrozole, history of convulsion, pulmonary, cardiac, hepatic or renal diseases, cerebrovascular disease and pregnancy

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Recurrence of endometriosis. Timepoint: Every month. Method of measurement: VAS.

Secondary

MeasureTime frame
Dysmenorhea. Timepoint: every month. Method of measurement: VAS and pelvic examination.;Pelvic pain. Timepoint: every month. Method of measurement: VAS and pelvic examination.;Dysparonia. Timepoint: every month. Method of measurement: VAS and pelvic examination.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr Hatave Ghasemi Tehrany

Medical Isfahan University

tehrani@resident.mui.ac.ir+98 31 1630 3620

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026