Safety of Follitropin Alfa/Lutropin Alfa for Stimulation of Follicular Development

Nadezda Abramova (), Julie Hubbard, Joan Schertz and Emilia Richter
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Nadezda Abramova: Merck KGaA
Julie Hubbard: EMD Serono Research and Development Institute
Joan Schertz: EMD Serono Research and Development Institute
Emilia Richter: Merck KGaA

Drug Safety, 2019, vol. 42, issue 3, No 10, 453-461

Abstract: Abstract Introduction Recombinant human luteinizing hormone (r-hLH) is used in a fixed-ratio combination with recombinant human follicle-stimulating hormone (r-hFSH) for the stimulation of follicular development. Objective The objective of this article was to conduct a review of safety data to evaluate the risks of r-hFSH/r-hLH treatment. Methods Data were retrieved from the Global Safety Database (Merck KGaA, Darmstadt, Germany) including reports from healthcare professionals, patients, health authorities, clinical trials, non-interventional studies, and the literature. Reports of important risks (identified and potential) as per the risk management plan applicable at the time of data retrieval were obtained up to December 2017. The estimated patient exposure to r-hFSH/r-hLH in the post-marketing setting was 427,012 treatment cycles. Nine hundred patients received r-hFSH/r-hLH during company-sponsored clinical trials (pre- and post-marketing). Results We identified 72 case reports describing important risks related to r-hFSH/r-hLH use, including 46 cases of ovarian hyperstimulation syndrome (10.8 per 100,000 treatment cycles) and 24 of hypersensitivity reaction (5.6 per 100,000 treatment cycles). No thromboembolic events were reported. One congenital anomaly, not suspected to be related to r-hFSH/r-hLH use, was reported during a clinical trial; the event was resolved by corrective surgery. Two fatal cases were identified; one case of recurrent malignant melanoma (suspected to be related to r-hFSH/r-hLH use) and one case resulting from complications of ovarian hyperstimulation syndrome. Conclusion Cumulative reporting rates of important identified and potential risks of r-hFSH/r-hLH during a 10-year surveillance period demonstrate the benefit–risk balance is positive. This post-marketing surveillance and continued surveillance of safety events should provide reassurance about the use of r-hFSH/r-hLH in clinical practice.

Date: 2019
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DOI: 10.1007/s40264-018-0742-3

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