Clinical efficacy of COH with letrozole vs. clomiphene citrate for infertile women after Laparoscopic surgery treatment of minimal to mild endometriosis

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-TRC-12002494

Enrollment

Unknown

Registered

2012-09-03

Start date

2012-05-01

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

Endometriosis

Interventions

A:Laparoscopic surgery only

B:COH with Letrozole after surgery

C:COH with clomiphene citrate after surgery

Eligibility

Sex/Gender

Female

Age

20 Years to 35 Years

Inclusion criteria

Inclusion criteria: Endometriosis documented by Laparoscopy; r-AFS<=15; infertility.

Exclusion criteria

Exclusion criteria: Age>35 years old; BMI>30 kg/m2; other associated causes of infertility (male factor infertility,tubal obstruction,intrauterine adhesion,PCOS); dense adnexal and/or ovarian adhesions due to pelvic inflammatory disease or previous pelvic surgery.

Design outcomes

Primary

Measure	Time frame
Ovulation rate;Pregnancy rate;Live birth rate;	—

Secondary

Measure	Time frame
miscarriage rate;Multiple pregnancy rate;	—

Countries

China

Contacts

Public ContactWei Huang

weihuang64@163.com+86 13881858999

Outcome results

None listed

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