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Sci. Pharm. 2010, 78(4), 927-940; doi:10.3797/scipharm.0909-02

Floating Matrix Dosage Form for Propranolol Hydrochloride Based on Gas Formation Technique: Development and In Vitro Evaluation

1
P. E. S. College of Pharmacy, Bangalore, India
2
Smt. R. B. Patel Mahila Pharmacy College, Atkot, Gujarat, India
*
Author to whom correspondence should be addressed.
Received: 14 September 2009 / Accepted: 6 September 2010 / Published: 26 September 2010
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Abstract

Gastroretentive tablets of propranolol hydrochloride were developed by direct compression method using citric acid and sodium bicarbonate as the effervescent base. Hydroxypropyl methylcellulose; HPMC K15M was used to prepare the floating tablets to retard the drug release for 12h in stomach. Na-carboxymethyl cellulose (NaCMC) or carbopol 934P was added to alter the drug release profile or the dimensional stability of the formulation. Dicalcium phosphate (DCP) was used as filler. Formulations were evaluated for floating lag time, duration of floating, dimensional stability, drug content and in vitro drug release profile. The formulations were found to have floating lag time less than 1min. It was found that the dimensional stability of the formulations increase with increasing concentration of the swelling agent. The release mechanism of propranolol hydrochloride from floating tablets was evaluated on the basis of Peppas and Higuchi model. The ‘n’ value of the formulations ranged from 0.5201 to 0.7367 (0.5<n<1.0) which indicated anomalous (non-Fickian) transport mechanism. Formulation containing 27.5% HPMC K15M, 29% DCP, 3.75% citric acid and 18.75% sodium bicarbonate seemed most desirable. FTIR, DSC and XRPD studies indicated the absence of any significant chemical interaction within dug and excipients. Stability study of optimized formulation revealed no significant change and found to be stable.
Keywords: Propranolol hydrochloride; Gastro retentive drug delivery system; Sustained release; Scanning Electron Microscopy (SEM); Gel matrix; X-Ray Powder Diffractometry (XRPD) Propranolol hydrochloride; Gastro retentive drug delivery system; Sustained release; Scanning Electron Microscopy (SEM); Gel matrix; X-Ray Powder Diffractometry (XRPD)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

CHATURVEDI, K.; UMADEVI, S.; VAGHANI, S. Floating Matrix Dosage Form for Propranolol Hydrochloride Based on Gas Formation Technique: Development and In Vitro Evaluation. Sci. Pharm. 2010, 78, 927-940.

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