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Nitrocellulose blister material as a source of N-nitrosamine contamination of pharmaceutical drug productsGolob, Nejc, farmacevt ...The recent focus of pharmaceutical regulatory authorities has been oriented towards the mitigation of carcinogenic N-nitrosamines in drug products and different sources of N-nitrosamines have been ... revealed. Within this work, the elucidation of a further source of N-nitrosamines in drug products is reported. A case was investigated where traces of N-nitrosodimethylamine (NDMA) and N-nitrosodiethylamine (NDEA) were detected in a finished dosage form, whereas they were not found in the bulk drug product. This led to an in-depth study of blister material as a potential source, wherein nitrocellulose primer in a lidding foil was identified as a risk factor. Nitrocellulose acts as a nitrosating agent for secondary amines, present in printing inks, forming N-nitrosamines in lidding foil. Their formation was confirmed by the addition of printing ink containing dimethylamine and diethylamine, or diethylamine alone, to lidding foil containing nitrocellulose primer. Their transfer to drug product during the blistering operation was demonstrated by solid-phase microextraction sampling of N-nitrosamine vapors on two commonly used types of pharmaceutical blistering machines, operating with plate sealing or roller sealing technology. Higher vapor amounts were detected on plate sealing equipment, where N-nitrosamine contamination was additionally confirmed in film-coated tablets and blister cavities of the finished dosage form.Vir: International journal of pharmaceutics. - ISSN 0378-5173 (Vol. 618, 2022, str. 1-9)Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasleLeto - 2022Jezik - angleškiCOBISS.SI-ID - 102696963
Avtor
Golob, Nejc, farmacevt |
Grahek, Rok |
Ross, Malcolm, kemik |
Roškar, Robert, 1975-
Teme
Farmacevtska kemija |
Analiza sledi N-nitrozamina |
Nitrocelulozna pokrivna folija, ki vsebuje amin |
tiskarsko črnilo |
Nastajanje N-nitrozaminov |
N-nitrozamini |
prenos mehurčkov |
N-nitrosamines trace analysis |
Nitrocellulose lidding foil |
Amine containing printing ink |
N-nitrosamines formation |
N-nitrosamines transfer |
blistering
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Golob, Nejc, farmacevt | ![]() |
Grahek, Rok | 11102 |
Ross, Malcolm, kemik | ![]() |
Roškar, Robert, 1975- | 23549 |
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