Dose accuracy of the follitropin alfa pen injector 2.0, the follitropin alfa:lutropin alfa 2:1 combination pen injector 2.0 and the choriogonadotropin alfa pen injector 1.0 used for fertility treatment.

This study aimed to confirm that the incremental dose/clicks system dispenses accurate doses for the Merck family of fertility pen injectors. Set doses (Vset) for three dose dial settings (minimum dose [Vmin], midpoint dose [Vmid] and maximum dose [Vmax] for the follitropin alfa, choriogonadotropin alfa [D2 classification: single use/variable dose], and follitropin alfa:lutropin-alfa 2:1 combination pen injectors) or a single Vset for the choriogonadotropin alfa (D1 classification: single use/single dose) were assessed. Last dose administered by the multi-dose device was assessed for the 900 IU, 450 IU, 300 IU and 150 IU follitropin alfa, and the 900:450 IU, 450:225 IU and 300:150 IU follitropin alfa:lutropin-alfa 2:1 combination pen presentations. Dose accuracy tests for Vmin, Vmid and Vmax for the follitropin alfa and the follitropin alfa:lutropin-alfa 2:1 combination pen injectors, and last dose administered, were within acceptable limits according to ISO 11,608-1:2012/2014. Dose accuracy tests for the single use/single dose device classification and the single use/variable dose device classification of the choriogonadotropin alfa pen injector were also within the acceptable limits, according to ISO 11608-1:2000/2014. The Merck family of fertility pen injectors functions reliably and the incremental dose/clicks system dispenses accurate doses.

Citation

Evelyn Cottell, Damien Michalet, Monica Lispi, Thiago Dantas Araujo, Ralf Gleixner, Salvatore Longobardi, Thomas D'Hooghe. Dose accuracy of the follitropin alfa pen injector 2.0, the follitropin alfa:lutropin alfa 2:1 combination pen injector 2.0 and the choriogonadotropin alfa pen injector 1.0 used for fertility treatment. Expert opinion on drug delivery. 2024 Feb;21(2):337-346

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PMID: 38299472

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