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23. January 2017
Abstract This study has investigated the potential use of zein protein from corn as a pharmaceutical excipient for formulation of oral controlled-release matrices. SMCC (silicified microcrystalline cellulose)-Prosolv® 90, SMCC HD-Prosolv® 90 HD, Avicel® PH 102 and Mannitol 60 were evaluated as co-excipients to improve the processability of zein powder. Zein/SMCC-Prosolv® 90 blend had the best flowability and tabletability. Tablets with tramadol hydrochloride, zein and SMCCProsolv® 90 were...
09. August 2016
Abstract The aim of this study is to present the possibility of using of co-processed dry binders for formulation of matrix tablets with drug controlled release. Hydrophilic matrix tablets with tramadol hydrochloride, hypromellose and different co-processed dry binders were prepared by direct compression method. Hypromelloses Methocel™ K4M Premium CR or Methocel™ K100M Premium CR were used as controlled release agents and Prosolv® SMCC 90 or Disintequik™ MCC 25 were used as co-processed...
24. June 2016
ABSTRACT Objective: The objective of this study is to develop extended release matrix tablet by taking mixture of chitosan and anionic polymers and then to study the drug release pattern for a low solubility drug Tramadol Hydrochloride (TH). TH has mean elimination half-life is ~6 hrs and requires dosing every 6 hrs in order to maintain optimal relief of chronic pain. So once-daily extended-release tablets are formulated by taking Chitosan (CS) and anionic polymers Eudragit-L100-55. Methods:...
05. December 2015
26. May 2015
Bi-layer tablets of tramadol hydrochloride were prepared by direct compression technique. Each tablet contains an instant release layer with a sustained release layer. The instant release layer was found to release the initial dose immediately within minutes. The instant release layer was combined with sustained release matrix made of varying quantity of Methocel K4M, Methocel K15MCR and Carbomer 974P. Bi-layer tablets were evaluated for various physical tests including weight variation,...