Formulation and In-Vitro Evaluation of Controlled Release Matrix Tablets of Diltiazem Hydrochloride Using Different Rate Controlling Polymers

Fig. (3) Diltiazem Hydrochloride release profile from directly compressed matrices of K 100 LV Methocel at Drug to Polymer (D: P) of 10:1, 10:2 and 10:3 and Herbesser^® Conventional Tablets.