The purpose of the present study is to examine the level of ovarian response and the pregnancy rates among poor ovarian responders treated with a novel treatment protocol with 150μg corifollitropin alfa followed by 300IU hMG in a long GnRH agonist protocol.
Corifollitropin alfa reaches maximum concentrations (Cmax), between 25 and 45 h after injection , a time interval which is significantly shorter as compared to treatment with rFSH. The investigators hypothesized that this rapid increase in the serum FSH concentration may result in a significantly higher exposure of the small antral follicles to constant high levels of FSH during the early follicular phase, securing not only the recruitment of the follicles, but also the continued growth. In the current study the investigators examine whether administration of corifollitropin followed by 300IU hMG in a long GnRH agonist protocol may result in acceptable pregnancy rates in poor ovarian responders fulfilling the "Bologna criteria"
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
57
Triptorelin 0.1 mg/1 ml solution daily from day 21 of the cycle onwards
Corifollitropin alfa 150μg (single dose) 2 or 3 weeks after initiation of triptorelin
hpHMG 300IU daily from day 7 following Corifollitropin alfa onwards
Centre for Reproductive Medicine UZ Brussel
Brussels, Belgium
Ongoing pregnancy rate
Time frame: 10 to 12 weeks of gestation
Number of oocytes retrieved
Time frame: Day of oocyte retrieval
Cycles with oocyte retrieval
Time frame: Day of oocyte retrieval
Cycles with embryo transfer
Time frame: Day of Embryo transfer
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