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Comparison of the efficacy of dienogest with that of low dose oral contraceptive on the recurrence of endometriosis after laparoscopic surgery

Comparison of the efficacy of dienogest with that of low dose oral contraceptive on the recurrence of endometriosis after laparoscopic surgery - Comparison of the efficacy of dienogest with that of low dose oral contraceptive on the recurrence of endometriosis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000003098
Enrollment
50
Registered
2010-02-01
Start date
2010-01-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

the recurrence of endometriosis after laparoscopic surgery

Interventions

One cycle regimen (7 weeks) consists of a consecutive administration of 1 mg of dienogest twice a day for 6 weeks followed by the rest for a week. The cycled regimen will be continued for a year. One

Sponsors

Juntendo University faculty of medicine department of OB/GY
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Fifty patients with recurrent endometriosis after laparoscopic surgery who met the following inclusion criteria in our facility were enrolled. Written informed consent was obtained from all patients. 1) Patients with histologically proven endometriosis at the first surgical examination 2) Patients without histologically proven adenomyosis at the first surgical examination 3) Patients with recurrent endometriosis related pain, such as dysmenorrhea, dyspareunia, dyschezia, and the degree of the recurrent pain is the same as that of before surgery.

Exclusion criteria

Exclusion criteria: 1) Patients with undiagnosed genital bleeding 2) Pregnant women or possibly pregnant women

Design outcomes

Primary

MeasureTime frame
1.During the observation period, the degree of pain will be evaluated by visual analogue scale (VAS) using medical examination by interview 2.During the observation period, the pattern of genital bleeding will be evaluated using medical examination by interview 3.The degree of pain and the degree of genital bleeding during the rest period will be evaluated using medical examination by interview

Secondary

MeasureTime frame
In patients with recurrent ovarian chocolate cyst, change in diameter of the ovarian chocolate cyst during the observation period will be evaluated.

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026