NCT00571870

Brief Summary

Gonadotropin-releasing hormone (GnRH) antagonists have been widely used for the prevention of premature luteinizing hormone (LH) surges during controlled ovarian hyperstimulation (COH) for in vitro fertilization and embryo transfer (IVF-ET) since the late 1990's. Many years have passed since GnRH antagonists were introduced to prevent premature LH surges during stimulated cycles. However, there is still no consensus on the optimal GnRH antagonist protocol. Attempts at modifying GnRH antagonist protocols have been made to improve COH outcomes. However, a meta-analysis of 27 randomized controlled trials, including recent reports, showed significantly lower clinical ongoing pregnancy rates in the antagonist group. Thus, additional efforts are needed to identify the optimal stimulation protocols to achieve better follicular and embryonic development and to improve the pregnancy rates in COH using GnRH antagonist. Given the assumption of a detrimental effect of GnRH antagonist on the pregnancy rate, with current protocols, we hypothesized that a shorter duration of GnRH antagonist administration might improve outcome.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
80

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Nov 2007

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2007

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

December 10, 2007

Completed
2 days until next milestone

First Posted

Study publicly available on registry

December 12, 2007

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2009

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2009

Completed
Last Updated

August 21, 2009

Status Verified

August 1, 2009

Enrollment Period

1.8 years

First QC Date

December 10, 2007

Last Update Submit

August 20, 2009

Conditions

Outcome Measures

Primary Outcomes (1)

  • Maturity of oocytes, fertilization rate, embryo quality

    3 days

Study Arms (2)

A

ACTIVE COMPARATOR

Stimulated as conventional protocol

Drug: cetrorelix acetate

B

EXPERIMENTAL

GnRH antagonist stopped one day earlier than conventional protocol

Drug: cetrorelix acetate

Interventions

The GnRH antagonist, cetrorelix acetate (Cetrotide; Serono) 0.25 mg was added daily, starting when the leading follicle reached 14 mm in diameter during ovarian stimulation for IVF. When the leading follicle reached a mean diameter of 18 mm or two follicles or more reached a diameter of 17 mm, 250 μg of recombinant hCG (Ovidrel; Serono) SQ was injected. In Group A, the GnRH antagonist continued to be used until the day of hCG administration. In Group B, the GnRH antagonist was not administrated on the hCG day

AB

Eligibility Criteria

Age18 Years - 45 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Both ovaries present with no morphological abnormalities
  • Normal ovulatory cycle with cycle lengths of between 25 and 35 days
  • Basal serum FSH (day 3) level of \< 15 mIU/mL
  • Body mass index (BMI) ranging between 18 and 27 kg/m2

You may not qualify if:

  • History of a poor ovarian response
  • Evidence of endocrine abnormalities, such as, hyperprolactinemia, thyroid dysfunction, or polycystic ovary syndrome
  • Hydrosalpinx
  • Severe endometriosis (stage III-IV)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Seoul National University Bundang Hospital

Seongnam-si, Gyeonggi-do, 463-707, South Korea

Location

MeSH Terms

Conditions

Infertility

Interventions

cetrorelix

Condition Hierarchy (Ancestors)

Genital DiseasesUrogenital Diseases

Study Officials

  • Chang Suk Suh, M.D., Ph.D.

    Dept. of Obstetrics and Gynecology, Seoul National University Bundang Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
CARE PROVIDER
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

December 10, 2007

First Posted

December 12, 2007

Study Start

November 1, 2007

Primary Completion

August 1, 2009

Study Completion

August 1, 2009

Last Updated

August 21, 2009

Record last verified: 2009-08

Locations