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A PEN INJECTOR FOR SELF-ADMINISTRATION OF FOLLITROPIN ALPHA SOLUTION WITH A MINIMAL DOSE INCREMENT OF 5 IU

https://doi.org/10.17749/2313-7347.2017.11.4.035-042

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Abstract

To date, self administrations of recombinant human follicle-stimulating hormone (rhFSH) are carried out using pen injectors with minimal dose increments of 8.33 IU or 12.5 IU (IU – international units of activity). To ensure the accuracy of dose titration and to minimize the dose adjustments during the treatment, new pen injectors are needed. Those would provide for the self administration of rhFSH in a wide range of doses and with a dose increment less than the existing fractional values. Aim: to develop a pre-filled, multi-dose pen injector for rhFSH solution with a 5 IU dose increment and a dose setting from 0 to 300 IU.

Materials and methods. Dispensed volumes containing the minimal dose of 5 IU were measured gravimetrically.

Results. After testing 48 pen injectors the estimated minimal dose of 5 IU (0.0083 ml of the solution) produced the following results: the mean value of the dispensed volume was 0.0081 ml, the mean deviation was ± 0.0006 ml (or ± 0.36 IU). The results are in consistence with the ISO 11608-1:2014(E) requirements of dose accuracy for the minimal dose setting in commercial injectors.

Conclusion. We have developed a pen injector for rhFSH administration with a dose setting from 0 to 300 IU and with a minimal increment of dose adjustment of 5 IU. The individual approach to the dose selection/adjustment with a minimal increment of 5 IU may help achieving a highly accurate administration of rhFSH for the controlled ovarian hyperstimulation and for the induced-ovulation protocols with growth activation of 1-2 follicles. 

About the Authors

A. B. Podkorytov
Zavod Medsintez LLC.
Russian Federation

Alexey Borisovich Podkorytov – General Director of Zavod Medsintez LLC. 

ul. 8 Marta, 90a, Yekaterinburg,  620144.



O. V. Zhilyaev
Zavod Medsintez LLC.
Russian Federation

Oleg Vladimirovich Zhilyaev – Head of the Department of Genetically Engineered Human Insulin, Zavod Medsintez LLC.

ul. 8 Marta, 90a, Yekaterinburg,  620144.



M. A. Polzikov
IVFarma LLC.
Russian Federation

Mikhail Alexandrovich Polzikov – PhD, General Director of IVFarma LLC.

Nauchnyi proezd, 20, str. 2, Moscow, Russia, 117246.



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For citation:


Podkorytov A.B., Zhilyaev O.V., Polzikov M.A. A PEN INJECTOR FOR SELF-ADMINISTRATION OF FOLLITROPIN ALPHA SOLUTION WITH A MINIMAL DOSE INCREMENT OF 5 IU. Obstetrics, Gynecology and Reproduction. 2017;11(4):35-42. (In Russ.) https://doi.org/10.17749/2313-7347.2017.11.4.035-042

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ISSN 2313-7347 (Print)
ISSN 2500-3194 (Online)