Fast Disintegrating Combination Tablet of Taste Masked Levocetrizine Dihydrochloride and Montelukast Sodium: Formulation Design, Development, and Characterization

Table 21

Similarity factor and dissimilarity factors of Montelukast sodium in K4 and K5 before and after stability study.

Time (min)	% Drug release of before stability study (𝑅𝑡)		% Drug release of after stability study (𝑇𝑡)		M with (SSG + CCS)		M with (SSG + CP)
	M with (SSG + CCS)	M with (SSG + CP)	M with (SSG + CCS)	M with (SSG + CP)	𝑓1	𝑓2	𝑓1	𝑓2
1	24.18	26.31	21.13	23.10	4.12	77.17	3.05	82.59
2	38.26	39.46	35.20	40.25
3	51.37	50.62	49.32	52.31
5	68.49	67.74	65.44	66.47
8	82.64	83.87	79.54	80.54
12	91.74	92.92	88.62	91.23

M: Montelukast sodium.