COMPARATIVE IN-VITRO STUDY OF IMMEDIATE AND MODIFIED RELEASED ORAL DOSAGE FORMS OF CEFACLOR

The paper presents the results of in vitro dissolution testing for various immediate and controlled release formulations of cefaclor, based on compendial recommendations and specific methodological adaption. The data suggest a rapid and complete release for capsules and suspensions dosage forms, the profiles being independent on dose-strength. The sinkers used for preventing the floating phenomenon did not influence significantly the dissolution pattern. For modified release film-coated tablets, the paddle apparatus provided similar results compared to USP30 pharmacopoeial conditions. Rezumat Lucrarea prezintă rezultatele testelor de cedare in vitro pentru cefaclor, din diferite forme farmaceutice cu cedare imediată sau modificată, pe baza recomandărilor compendiale sau prin adaptarea unor metodologii specifice. Datele obținute indică o eliberare completă și rapidă a cefaclorului din suspensii și capsule, profilele de cedare fiind independente de doză. Sinker-ele folosite pentru prevenirea fenomenului de flotare nu influențează semnificativ profilul de dizolvare. In cazul comprimatelor filmate cu cedare modificată, folosirea aparatului cu palete a condus la rezultate similare celor generate de condițiile de testare indicate in farmacopeea Statelor Unite ale Americii (USP30).

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