Skip to content

Comparison of the effects of GnRH antagonist and letrozole on prevention of early-onset ovarian hyperstimulation syndrome

Comparison of the effects of GnRH antagonist and letrozole on prevention of early-onset ovarian hyperstimulation syndrome

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR1900027091
Enrollment
Unknown
Registered
2019-10-31
Start date
2019-10-31
Completion date
Unknown
Last updated
2019-11-04

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

Conditions

ovarian hyperstimulation syndrome

Interventions

Experimental Group1:letrozole
Experimental Group2:gonadotropin-releasing hormone antagonists

Sponsors

Shenyang Women's and Children's Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 38 Years

Inclusion criteria

Inclusion criteria: 1. number of oocyte retrieval>20; 2. mean number of follicles more than 20 with a diameter of >14mm; 3. on the day of oocyte retrieval, the ovarian diameter was > 10 cm; 4. E2 leve>=5000 pg/ml on the day of hCG administration; 5. presentation of clinical symptoms of OHSS on the day of aspiration; 6. Cancellation of fresh embryo transfer and cryopreservation of the whole embyros after oocyte retrieval.

Exclusion criteria

Exclusion criteria: 1. Allergy to letrozole and cetrotide; 2. The presence of hepatic and renal diseases, hypertension, cardiac or pulmonary dysfunction or coagulation disorders; 3. Unwilling to participate in the research.

Design outcomes

Primary

MeasureTime frame
OHSS;Estradiol;Luteinizing hormone;follicle-stimulating hormone;

Secondary

MeasureTime frame
vascular endothelial growth factor;pigment epithelium-derived factor;Routine blood test;

Countries

China

Contacts

Public ContactCheng Zhao-Xia

Shenyang Women's and Children's Hospital

Syfyczx1974@126.com+86 13940090114

Outcome results

None listed

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