Research Article

Development and Characterization of Novel Floating-Mucoadhesive Tablets Bearing Venlafaxine Hydrochloride

Table 7

Swelling behavior of matrix tablets.

Formulation codeInitial weight (mg)Initial thickness (mm)Initial diameter (mm)Final weight (mg)Final thickness (mm)Final diameter (mm)Swelling index

FC1234.11 ± 3.053.97 ± 0.018.98 ± 0.01552.59 ± 3.114.42 ± 1.0818.16 ± 0.38136.03
FC2240.20 ± 4.353.98 ± 0.028.97 ± 0.02578.52 ± 1.324.50 ± 0.7418.52 ± 1.20140.84
FC3244.18 ± 1.693.97 ± 0.018.99 ± 0.01607.10 ± 5.064.56 ± 0.8918.73 ± 1.48148.67
FC4250.10 ± 1.713.99 ± 0.028.97 ± 0.01637.22 ± 3.404.61 ± 1.2118.85 ± 0.92154.78
FC5239.58 ± 1.013.98 ± 0.018.98 ± 0.02578.48 ± 2.254.53 ± 1.4218.62 ± 1.34141.45
FC6250.09 ± 1.893.96 ± 0.018.99 ± 0.02648.86 ± 4.134.63 ± 1.2718.89 ± 0.88159.45
FC7255.58 ± 3.293.97 ± 0.028.97 ± 0.01681.68 ± 2.674.66 ± 0.5418.93 ± 1.53166.72
FC8250.17 ± 1.233.99 ± 0.028.99 ± 0.01654.25 ± 3.284.62 ± 0.2818.99 ± 0.67161.52
FC9254.21 ± 3.533.98 ± 0.018.98 ± 0.01678.17 ± 1.444.64 ± 0.7819.14 ± 0.25166.78
FC10259.67 ± 4.423.99 ± 0.028.97 ± 0.02703.67 ± 2.874.68 ± 0.3819.27 ± 1.44170.99

Mean ± SD; ; FC: formulation code.