The effectiveness of preventing premature luteinizing hormone surge by cetrorelix in the controlled ovarian stimulation by letrozole and gonadotropin

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN75248474

Enrollment

Registered

2006-07-28

Start date

2005-01-01

Completion date

Unknown

Last updated

2015-01-13

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

Conditions

Couples with unexplained or mild male factor infetility Pregnancy and Childbirth Male factor infertility

Interventions

Letrozole/FSH/cetrorelix versus Letrozoel/FSH

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Patients of unexplained or mild male factor infertility 2. Body mass index (BMI) of 18-29 kg/m^2

Exclusion criteria

Exclusion criteria: 1. Anovulatory patients 2. Age =38 years of age 3. Day 3 FSH =10 mIu/ml 4. Previous low ovarian response by other controlled ovarian hyperstimulation (COH) protocol e.g. clomiphene citrate (CC)/FSH or FSH

Design outcomes

Primary

Measure	Time frame
Premature LH surge rate	—

Secondary

Measure	Time frame
1. Pregnancy rate 2. Serum levels of inhibin B and leptin	—

Countries

Taiwan

Outcome results

None listed

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