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Clinical Trial Details — Status: Enrolling by invitation

Administrative data

NCT number NCT01112111
Other study ID # PCOS
Secondary ID PCOS2livfe67
Status Enrolling by invitation
Phase N/A
First received April 26, 2010
Last updated April 26, 2010
Start date May 2010

Study information

Verified date April 2010
Source Genesis Center for Fertility & Human Pre-Implantation Genetics
Contact n/a
Is FDA regulated No
Health authority Cyprus: Institutional Review Board
Study type Observational

Clinical Trial Summary

This study is designed to compare the efficacy of a novel stimulation protocol with the conventional low dose step-up and step down regimens in older than 30 years PCOS patients undergoing in vitro fertilisation. The novel regime was proposed under the basis of the combined effectiveness of the two standard protocols to induce a uniform follicular growth and forms a continuation to the author's previously published results examining a similar approach in younger PCOS candidates. In total 225 patients have been recruited for this study. The stimulation protocol will be assigned under the basis of prospective randomization using sealed and numbered envelopes. All patients will be down regulated using a desensitisation agent administered on day 2 of spontaneous or induced withdrawal bleeding. The initial dosage in the low dose step-up regimen (group A) will be 150 IU/d of FSH for the first 6 days followed by an increase of 75 IU thereafter. In the step-down regimen (group B) patients will administer a starting dose of 300 IU/d of FSH for the first 3 days followed by a decrease to 225 IU/d for the next 3 days. This dosage will be further decreased to 150 IU/d or sustained at 225 IU (according to the initial response) until the day of the hCG injection. Group C, patients received 225 IU on day 1 followed by a decrease to 150 IU on day 2. On day 3 the dosage will be increased back to 225 IU. This alternation of injection dosage will be followed until day 6. According to the initial ovarian response the dosage will be sustained at 225 IU/d or 150 IU/d until the day of the hCG injection. The 10,000 IU hCG will be administered when at least two follicles had reached a mean diameter of 18 mm and the serum E2 levels were consistent with the ultrasound findings. Egg retrieval will be undertaken at 35 hours after the administration of the hCG injection. Oocytes recovered will be inseminated 4 hours post egg collection. Patients will receive 3 embryos on the third day of development. The luteal phase will be supported by progesterone suppositories starting on the day of the egg collection. A positive outcome will be detected by a serum β-hCG analysis 13 days after embryo replacement. The presence of a fetal heart pulse on ultrasound 3 weeks later confirmed a clinical pregnancy.


Recruitment information / eligibility

Status Enrolling by invitation
Enrollment 225
Est. completion date
Est. primary completion date September 2010
Accepts healthy volunteers No
Gender Both
Age group 30 Years to 36 Years
Eligibility Inclusion Criteria:

- Failure to ovulate after CC treatment

- Over than 30 years of age No Previous IVF attempts

- Patent Fallopian Tubes

- Normo-spermic partners

Exclusion Criteria:

- Secondary Infertility

- Younger than 30 years

- Older than 36 years

- Other infertility cause

Study Design

Observational Model: Cohort, Time Perspective: Prospective


Related Conditions & MeSH terms


Intervention

Drug:
mode of gonadotropin administration
Low dose step-up administration Step down administration sequential administration

Locations

Country Name City State
Cyprus Genesis Centre for Fertility and Human Pre-implantation Genetics Limassol

Sponsors (1)

Lead Sponsor Collaborator
Genesis Center for Fertility & Human Pre-Implantation Genetics

Country where clinical trial is conducted

Cyprus, 

Outcome

Type Measure Description Time frame Safety issue
Primary Pregnancy Rate The primary outcome measure will be assessed upon completion of the study estimated to September 2010 No
Secondary Ovarian Response The secondary outcome measure will be assessed upon completion of the controlled ovarian stimulation and the egg collection procedures. This parameter will be made known at least 5 weeks prior to the primary outcome mesure being availablle No
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