Solid Forms of Tenofovir Disoproxil Fumarate, Their Mutual Conversion, and Stabilization of Form I in Formulation

. 2016 Oct ; 105 (10) : 3136-3142. [epub] 20160810

Jazyk angličtina Země Spojené státy americké Médium print-electronic

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid27522525
Odkazy

PubMed 27522525
DOI 10.1016/j.xphs.2016.07.002
PII: S0022-3549(16)41526-1
Knihovny.cz E-zdroje

Tenofovir disoproxil fumarate (TDF, form I) is an orally delivered pharmaceutical salt used for the treatment of HIV and chronic hepatitis, which acts as an inhibitor of nucleotide reverse transcriptase. There are many solid forms of TDF described in the literature; 2 of them were identified in the drug products: form I and form A. It seems that during formulation, the active pharmaceutical ingredient undergoes partial to total conversion of TDF form I to TDF form A. The goals of this study were to investigate when and why did the conversion occur and whether the conversion could be avoided and how. The influence of pH and possible interaction with excipients were studied. The conditions enabling using wet granulation in technology while preventing the undesired conversion were found. The stabilization was achieved either by replacement of used disintegrants or by acid addition to the current composition of formulation.

Citace poskytuje Crossref.org

Najít záznam

Citační ukazatele

Nahrávání dat ...

    Možnosti archivace