Table 1. Clinical trial outcome.

NA, Not assessed.

	Placebo		l-Arginine		P
Variable	No.	%	No.	%
Total number of evaluable patients	32		31
Radiological responses
Complete	3	9.4	9	29	0.059 (C)
Partial	4	12.5	15	48.4	<0.001 (C + P)
Stable	11	34.4	4	13
Progression	5	16	1	3.2
NA	9	28.2	2	6.4
Symptomatic responses
Complete	10	31.2	25	80.6
Partial	6	18.8	4	13	0.002 (C + P)
Stable	4	12.5	1	3.2
Progression	12	37.5	1	3.2
NA	0		0
Overall responses
Complete	3	9.4	9	29	0.059 (C)
Partial	4	12.5	15	48.4	<0.001 (C + P)
Stable	11	34.4	4	13
Progression	14	43.7	3	9.6