2021
DOI: 10.3390/pharmaceutics13030400
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Drug–Drug Compatibility Evaluation of Sulfasalazine and Folic Acid for Fixed-Dose Combination Development Using Various Analytical Tools

Abstract: The simultaneous administration of sulfasalazine and folic acid is regular practice in the therapy of inflammatory bowel diseases in order to maintain sufficient folate concentration in patients. Having multiple drugs in the therapy increases the possibility of patients failing adherence, thus unintentionally endangering their health. A fixed-dose combination of sulfasalazine and folic would simplify the classical polytherapeutic approach; however, the physicochemical compatibility investigation of two active … Show more

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Cited by 5 publications
(6 citation statements)
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“…Pik tališta sulfasalazina (259,0 °C) pokazao je pomak od 9,6 °C, dok pik folne kiseline (199,0 °C) nije pokazao značajan pomak (1,6 °C) (slika 4). 58 Ovo je primjer koji je teško interpretirati. Ukratko, pik folne kiseline nije se značajno pomaknuo niti je krivulja promijenila oblik, dok je sulfasalazin pokazao značajan pomak.…”
Section: Diferencijalna Termalna Analizaunclassified
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“…Pik tališta sulfasalazina (259,0 °C) pokazao je pomak od 9,6 °C, dok pik folne kiseline (199,0 °C) nije pokazao značajan pomak (1,6 °C) (slika 4). 58 Ovo je primjer koji je teško interpretirati. Ukratko, pik folne kiseline nije se značajno pomaknuo niti je krivulja promijenila oblik, dok je sulfasalazin pokazao značajan pomak.…”
Section: Diferencijalna Termalna Analizaunclassified
“…što je dobiveno i kod statističke analize FTIR spektara u ispitivanju kompatibilnosti balsalazida i olsalazina s folnom kiselinom (tablica 1), dok bi nasumičan razmještaj ukazao na promjene u spektrima, odnosno na prisutnost novih kemijskih veza kao posljedica kemijske interakcije sastavnica. 53,58 Analizu glavnih komponenata prati klaster-analiza koja prikazuje jačinu sličnosti, odnosno različitosti, između dobivenih spektara. Klaster-analiza u slučaju sulfasalazina pokazala je formiranje dva glavna klastera, jedan koji obuhvaća 5-aminosalicilat i smjese s njegovim većim udjelom te drugi koji sadrži folnu kiselinu i smjese s njezinim većim udjelom, dok su potklasteri formirani povezivanjem najsličnijih uzoraka (čista sastavnica te 10 : 1, 5 : 1 i 2 : 1, itd.).…”
Section: Infracrvena Spektroskopijaunclassified
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“…In this context, the development of a pharmaceutical dosage form is essential to conduct compatibility studies between the drug and excipients as well as between the drugs in the case of FDC formulations. Compatibility studies intend to guarantee the safety, efficacy, and stability of the final product by detecting chemical and/or physical instability [15] during the manufacturing, packaging, and storage processes [16]. The drug instability in the dosage form is generally mediated by solid-state reactions as complexation, ion exchange, polymorphic transformation, the formation of eutectic or solid solutions among others [16][17][18].…”
Section: Introductionmentioning
confidence: 99%