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Similar ovulation rates, but different follicular development with highly purified menotrophin compared with recombinant FSH in WHO Group II anovulatory infertility: a randomized controlled study.

AbstractBACKGROUND:
The contribution of the LH activity in menotrophin preparations for ovulation induction has been investigated in small trials conducted versus FSH preparations. The objective of this study was to demonstrate non-inferiority of highly purified urinary menotrophin (HP-HMG) versus recombinant FSH (rFSH) with respect to the primary outcome measure, ovulation rate.
METHODS:
This was a randomized, open-label, assessor-blind, multinational study. Women with anovulatory infertility WHO Group II and resistant to clomiphene citrate were randomized (computer-generated list) to stimulation with HP-HMG (n=91) or rFSH (n=93) using a low-dose step-up protocol.
RESULTS:
The ovulation rate was 85.7% with HP-HMG and 85.5% with rFSH (per-protocol population), and non-inferiority was demonstrated. Significantly fewer intermediate-sized follicles were observed in the HP-HMG group (P<0.05). The singleton live birth rate was comparable between the two groups. The frequency of ovarian hyperstimulation syndrome and/or cancellation due to excessive response was 2.2% with HP-HMG and 9.8% with rFSH (P=0.058).
CONCLUSIONS:
Stimulation with HP-HMG is associated with ovulation rates at least as good as a rFSH in anovulatory WHO Group II women. LH activity modifies follicular development so that fewer intermediate-sized follicles develop. This could have a positive impact on the safety of ovulation induction protocols.
AuthorsPeter Platteau, Anders Nyboe Andersen, Adam Balen, Paul Devroey, Per Sørensen, Lisbeth Helmgaard, Joan-Carles Arce, Menopur Ovulation Induction (MOI) Study Group
JournalHuman reproduction (Oxford, England) (Hum Reprod) Vol. 21 Issue 7 Pg. 1798-804 (Jul 2006) ISSN: 0268-1161 [Print] England
PMID16571641 (Publication Type: Journal Article, Multicenter Study, Randomized Controlled Trial)
Chemical References
  • Follicle Stimulating Hormone, Human
  • Recombinant Proteins
  • Menotropins
Topics
  • Adolescent
  • Adult
  • Anovulation (drug therapy)
  • Female
  • Follicle Stimulating Hormone, Human (therapeutic use)
  • Humans
  • Infertility, Female (drug therapy)
  • Menotropins (therapeutic use)
  • Ovarian Follicle (drug effects, growth & development)
  • Ovulation (drug effects)
  • Recombinant Proteins (therapeutic use)

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