PREPARE AND EVALUATE MUCOADHESIVE FORMULATIONS OF LAMIVUDINE WITH BETTER CONTROLLED/ SUSTAINED DRUG RELEASE PROFILE

  • Kavita Rathore
  • C.K. Tyagi
  • Harish Pandey
  • sunil kumar shah SRI SATYA SAI UNIVERSITY OF TECHNOLOGY AND MEDICAL SCIENCES

Abstract

The aim of present study was to formulate & evaluate the mucoadhesive sustained release formulations of lamivudine and to fulfill this aim, two mucoadhesive formulations Gels and Tablets were prepared by using three different polymers: HPMC K15, poloxamer 407 & carbopol 934. Three mucoadhesive gel and nine tablet formulations were prepared and evaluated for various parameters. All three gels were able to give sustained release up to 12 hours. Tablet formulations, F1 to F5 failed to fulfill the aim. Only F6, F7, F8 & F9 formulations were selected, as all gave sustained release up to 12 hours, except F6, which gave sustained release profile only till 7 hours. From the drug release plots, it was concluded that the type of polymer and concentration of polymer have distinct effect on in vitro drug release profile and all the formulations follow first order mechanism with anomalous diffusion or non-fickian diffusion, except carbopol gel and poloxamer tablets. Carbopol gel follows zero order release rate with super case II transport and poloxamer tablets (F6) follow higuchi with non-fickian diffusion. It is concluded that mucoadhesive formulations of lamivudine can be prepared for sustaining its release. And the successful outcome of the present study also encourage for further studies to assess the ability of the mucoadhesive formulations of lamivudine in providing an effective sustained and safe therapy for AIDS.

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Rathore K, Tyagi C, Pandey H, shah sunil. PREPARE AND EVALUATE MUCOADHESIVE FORMULATIONS OF LAMIVUDINE WITH BETTER CONTROLLED/ SUSTAINED DRUG RELEASE PROFILE. JDDT [Internet]. 30Aug.2019 [cited 29Oct.2020];9(4-A):694-00. Available from: http://www.jddtonline.info/index.php/jddt/article/view/3479