Drug delivery to the targeted site of action in the human body is always affected by the excipients used and almost in the same manner by some processing variables like changes in the compression force. The aim of this study was to investigate the impact of the changes in compression forces during tablet manufacturing on the mechanical and release properties of mesalazine matrix tablets. For the mechanical properties, hardness and friability were used as assessment properties, while dissolution test was undertaken in order to ascertain the release properties. Data were analysed using One-way ANOVA at p < 0.05. The tablet hardness and friability were typically compression pressure-dependent with a significant difference in tablet hardness and friability with the increase in compression pressure (p < 0.001). The release properties of mesalazine tablets were not significantly influenced by compression pressure but rather by the polymer and the material properties of the drug. RezumatCedarea țintită a substanței medicamentoase din forma farmaceutică este aproape întotdeauna influențată de prezența excipienților, dar și de variabile ce intervin în procesul de obținere al acestora, cum ar fi forța de comprimare. Scopul studiului a fost de a investiga impactul modificărilor forței de comprimare în procesul de comprimare asupra proprităților mecanice și de cedare a mesalazinei din comprimate. Pentru proprietățile mecanice, au fost investigate rezistența comprimatului la rupere și friabilitatea, iar în cazul proprietăților de cedare, au fost efectuate teste de dizolvare. Datele au fost analizate prin intermediul analizei unifactoriale de varianță ANOVA, stabilind p < 0,05 ca având semnificație statistică. Rezistența la rupere și friabilitatea depind într-o manieră proporțională de forța de comprimare (p < 0,001). Forța de comprimare nu a influențat proprietățile de cedare ale mesalazinei din comprimate, acestea fiind modificate de matrița polimerică și de componentele materiale ale comprimatelor.
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