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  • Title: Comparison of controlled ovarian stimulation with human menopausal gonadotropin or recombinant follicle-stimulating hormone.
    Author: Filicori M, Cognigni GE, Pocognoli P, Tabarelli C, Ferlini F, Perri T, Parmegiani L.
    Journal: Fertil Steril; 2003 Aug; 80(2):390-7. PubMed ID: 12909504.
    Abstract:
    OBJECTIVE: To carefully examine the features of controlled ovarian stimulation performed with recombinant FSH-alpha or hMG. DESIGN: Controlled, prospective, randomized comparison of fixed gonadotropin regimens. SETTING: Academic research institution. PATIENT(S): Fifty infertile patients who were candidates for IUI. INTERVENTION(S): Patients were randomized to receive a fixed regimen of recombinant FSH-alpha (150 IU/day, 25 patients) or hMG (150 IU/day, 25 patients), after GnRH-agonist suppression (long regimen). MAIN OUTCOME MEASURES: Daily measurements of serum LH, immunoreactive FSH, hCG, E(2), P, and T. Transvaginal pelvic ultrasound every 2 days. Pregnancy and abortion rates. Cost of medications. Two recombinant FSH-alpha-treated patients did not respond. Despite matched daily FSH dose, duration of treatment (hMG 10.8 +/- 0.4 vs. recombinant FSH-alpha 12.4 +/- 0.5 days), gonadotropin dose (21.7 +/- 0.8 vs. 25.3 +/- 1.3 ampoules), gonadotropin cost (288 +/- 10 vs. 1,299 +/- 66 /cycle), serum P levels, and small preovulatory follicle number were significantly lower, and LH, hCG, immunoreactive FSH levels, and larger follicles on day 8 were significantly higher in hMG-treated patients. The pregnancy, abortion, and twin pregnancy rates did not differ. CONCLUSION: The hMG administration was associated with: [1]. increased serum LH activity and immunoreactive FSH levels during treatment; [2]. reduced signs of premature luteinization; [3]. differential modulation of folliculogenesis; [4]. lower treatment duration, gonadotropin dose, and cost; and [5]. clinical outcome comparable to recombinant FSH-alpha.
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