Table 1. Composition and pre-compression characterization of risperidone liquisolid formulae.

Formula	Vehicle type	LDCa	Lf	Q	q	Disb	Unit dose weight (mg)	Angle of repose	Ci%	Hausner ratio
F1	Transcutol HP	10	0.243	165	8.25	17.325	192.48	32.22	17.84	1.21
F2		20		83	4.15	8.715	96.82	31.16	19.16	1.19
F3		30		55	2.75	5.775	64.16	31.62	18.18	1.18
F4	Labrasol	10	0.202	198	9.9	20.76	230.64	30.12	17.67	1.17
F5		20		99	4.95	10.395	115.49	29.86	16.16	1.19
F6		30		66	3.3	6.93	76.994	30.25	16.87	1.16
F7	PEG 400	10	0.104	385	19.25	40.425	449.12	31.12	20.01	1.12
F8		20		193	9.65	20.265	225.14	31.24	18.79	1.14
F9		30		128	6.4	13.44	149.32	32.11	18.89	1.17
F10	Tween 80	10	0.142	282	14.1	29.61	328.97	30.35	18.13	1.20
F11		20		141	7.05	14.805	164.43	31.63	18.87	1.18
F12		30		94	4.7	9.87	109.66	32.15	17.82	1.19
F13	Labrasol/Labrafil (1:1)	10	0.151	265	13.25	27.825	309.14	30.75	18.92	1.17
F14		20		133	6.65	13.965	155.15	31.41	19.37	1.17
F15		30		89	4.45	9.345	103.82	31.82	19.41	1.16

^aLiquid drug concentration.

^b Disintegrant amount (mg).