Validation of a Method for Assay of Trifluoroacetates in the Pharmaceutical Substance Glatiramer Acetate by 19F NMR Spectroscopy
- Authors: Moiseev S.V.1, Kuz’mina N.E.1, Krylov V.I.1, Yashkir V.A.1, Merkulov V.A.1
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Affiliations:
- Scientific Center for Expertise in Medicines, Ministry of Health of the Russian Federation
- Issue: Vol 52, No 7 (2018)
- Pages: 658-662
- Section: Article
- URL: https://journals.rcsi.science/0091-150X/article/view/245393
- DOI: https://doi.org/10.1007/s11094-018-1877-3
- ID: 245393
Cite item
Abstract
A procedure for validation of an assay method for fluorine in residual trifluoroacetates in the pharmaceutical substance glatiramer acetate by 19F NMR spectroscopy is described. The method provides for assay of the content of trifluoroacetates without destruction of the substance under analysis. The validation process established the detection limit and assessed the linearity, accuracy, convergence, intralaboratory precision, and specificity of the method under validation. Measurement of “found:added” coefficients were used to calculate standard deviations, coefficients of variation, significance intervals, and systematic errors, using Fisher’s F test and Student’s t test to assess the assay results. The statistical characteristics were found to satisfy the criteria for acceptability of the validation parameters given in Russian and foreign normative documentation.
About the authors
S. V. Moiseev
Scientific Center for Expertise in Medicines, Ministry of Health of the Russian Federation
Author for correspondence.
Email: MoiseevSV@expmed.ru
Russian Federation, Building 2, 8 Petrovskii Boulevard, Moscow, 127051
N. E. Kuz’mina
Scientific Center for Expertise in Medicines, Ministry of Health of the Russian Federation
Email: MoiseevSV@expmed.ru
Russian Federation, Building 2, 8 Petrovskii Boulevard, Moscow, 127051
V. I. Krylov
Scientific Center for Expertise in Medicines, Ministry of Health of the Russian Federation
Email: MoiseevSV@expmed.ru
Russian Federation, Building 2, 8 Petrovskii Boulevard, Moscow, 127051
V. A. Yashkir
Scientific Center for Expertise in Medicines, Ministry of Health of the Russian Federation
Email: MoiseevSV@expmed.ru
Russian Federation, Building 2, 8 Petrovskii Boulevard, Moscow, 127051
V. A. Merkulov
Scientific Center for Expertise in Medicines, Ministry of Health of the Russian Federation
Email: MoiseevSV@expmed.ru
Russian Federation, Building 2, 8 Petrovskii Boulevard, Moscow, 127051