Pentoxifylline Loaded Floating Microballoons: Design, Development and Characterization

Table 1

Composition of pentoxifylline loaded microballoons.

Formulation code	HPMC K4M (mg)	Ethyl cellulose (mg)	Solvent ratio (ethanol + dichloromethane)	Tween 80 (%)	Drug (mg)
F1	200	200	1 : 1	0.01	200
F2	200	400	1 : 1	0.01	200
F3	200	600	1 : 1	0.01	200
F4	400	200	1 : 1	0.01	200
F5	600	200	1 : 1	0.01	200
F6	800	200	1 : 1	0.01	200