Formulation and evaluation of Rizatriptan Benzoate Orally Disintegrating Tablets

Formulation research is oriented towards safety, efficacy and quick onset of action of existing drug molecule through novel concepts of drug delivery. Orally disintegrating tablets of Rizatriptan benzoate were prepared by direct compression method to provide faster relief from pain to migraine sufferers. About twelve formulations for the present study were carried out based on 2 level 2 factor full factorial design for each set of superdisintegrants. Croscarmellose sodium, Crospovidone and Sodium starch glycolate (SSG) were used as superdisintegrants, while microcrystalline cellulose was used as diluent. The prepared batches of tablets were evaluated for weight variation, hardness, friability, wetting time, invitro dispersion time, drug content and invitro dissolution studies. The formulation containing combination of Croscarmellose sodium and Sodium starch glycolate showed rapid invitro dispersion time as compared to other formulations. The optimized formulation dispersed in 8 seconds. It also showed a higher water absorption ratio and 99.58% of drug is released within 2 minutes.

Author(s): Mothilal. M, Srikanth Kota, Sivagirish babu G, Gnanendra Kumar, Manimaran. V and Damodharan. N

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