Dataset Information

Comparative effectiveness of recombinant human follicle-stimulating hormone alfa (r-hFSH-alfa) versus highly purified urinary human menopausal gonadotropin (hMG HP) in assisted reproductive technology (ART) treatments: a non-interventional study in Germany.

ABSTRACT:

Background

This study compared the effectiveness of recombinant human follicle-stimulating hormone alfa (r-hFSH-alfa; GONAL-f^®) with urinary highly purified human menopausal gonadotropin (hMG HP; Menogon HP^®), during assisted reproductive technology (ART) treatments in Germany.

Methods

Data were collected from 71 German fertility centres between 01 January 2007 and 31 December 2012, for women undergoing a first stimulation cycle of ART treatment with r-hFSH-alfa or hMG HP. Primary outcomes were live birth, ongoing pregnancy and clinical pregnancy, based on cumulative data (fresh and frozen-thawed embryo transfers), analysed per patient (pP), per complete cycle (pCC) and per first complete cycle (pFC). Secondary outcomes were pregnancy loss (analysed per clinical pregnancy), cancelled cycles (analysed pCC), total drug usage per oocyte retrieved and time-to-live birth (TTLB; per calendar week and per cycle).

Results

Twenty-eight thousand six hundred forty-one women initiated a first treatment cycle (r-hFSH-alfa: 17,725 [61.9%]; hMG HP: 10,916 [38.1%]). After adjustment for confounding variables, treatment with r-hFSH-alfa versus hMG HP was associated with a significantly higher probability of live birth (hazard ratio [HR]-pP [95% confidence interval (CI)]: 1.10 [1.04, 1.16]; HR-pCC [95% CI]: 1.13 [1.08, 1.19]; relative risk [RR]-pFC [95% CI]: 1.09 [1.05, 1.15], ongoing pregnancy (HR-pP [95% CI]: 1.10 [1.04, 1.16]; HR-pCC [95% CI]: 1.13 [1.08, 1.19]; RR-pFC [95% CI]: 1.10 [1.05, 1.15]) and clinical pregnancy (HR-pP [95% CI]: 1.10 [1.05, 1.14]; HR-pCC [95% CI]: 1.14 [1.10, 1.19]; RR-pFC [95% CI]: 1.10 [1.06, 1.14]). Women treated with r-hFSH-alfa versus hMG HP had no statistically significant difference in pregnancy loss (HR [95% CI]: 1.07 [0.98, 1.17], were less likely to have a cycle cancellation (HR [95% CI]: 0.91 [0.84, 0.99]) and had no statistically significant difference in TTLB when measured in weeks (HR [95% CI]: 1.02 [0.97, 1.07]; p = 0.548); however, r-hFSH-alfa was associated with a significantly shorter TTLB when measured in cycles versus hMG HP (HR [95% CI]: 1.07 [1.02, 1.13]; p = 0.003). There was an average of 47% less drug used per oocyte retrieved with r-hFSH-alfa versus hMG HP.

Conclusions

This large (> 28,000 women), real-world study demonstrated significantly higher rates of cumulative live birth, cumulative ongoing pregnancy and cumulative clinical pregnancy with r-hFSH-alfa versus hMG HP.

SUBMITTER: Buhler KF

PROVIDER: S-EPMC8207759 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Purpose:We aimed to compare the efficacy and safety of recombinant human follicle-stimulating hormone (follitropin alfa) and purified urinary human follicle-stimulating hormone (urofollitropin) for ovulation induction in Japanese women with anovulatory infertility;also to verify the noninferiority (in terms of ovulation rate) of follitropin alfa versus urofollitropin. Methods:In a Phase III, multicenter, single-blind, parallel-group study, we enrolled 265 Japanese women aged 20-39 years. The patients were menstruating without apparent ovulation or were amenorrheic (with a positive progestin challenge test), and had failed to conceive with anti-estrogen ovulation-induction therapy. The patients underwent a low-dose step-up regimen using follitropin alfa or urofollitropin with a starting dose of 75 IU. The primary endpoint was the proportion of patients who ovulated (mid-luteal serum progesterone ?5 ng/mL and/or confirmed clinical pregnancy). Secondary endpoints included the proportion of patients with a dominant follicle (?18 mm) and the duration of stimulation. Results:Ovulation occurred in 79.1% and 82.6% of the patients who received follitropin alfa and urofollitropin, respectively, in the full-analysis set (n = 261), and in 79.2% and 82.5% of the per-protocol set (n = 251). The predefined noninferiority criteria for the primary endpoint were achieved. No significant differences were observed in any secondary endpoint. Treatment-emergent adverse events were reported by a similar proportion of patients in each group (follitropin alfa, 53.5%; urofollitropin, 50.0%). Conclusions:No significant difference in the primary efficacy endpoint (rate of ovulation) was observed between follitropin alfa and purified urofollitropin in women with anovulatory infertility who were menstruating or had progestin-positive amenorrhea. The use of treatment holidays in this study prevents comparison of the data with previous trials that utilized consecutive daily doses.

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