Table 4. Maximum withdrawal suppression values.

		Drug condition (mg, p.o.)
		Placebo	Oxycodone		Dronabinol
	F (6, 63)		30	60	5	10	20	30
Participant- rated measures:
Opioid antagonist adjectives total	8.1	13.1 (2.2)	4.7 (1.7)	3.8 (1.3)	9.5 (2.1)	12.3 (2.3)	7.5 (2.0)	6.8 (1.9)
Backache	4.4	1.1 (0.3)	0.5 (0.2)	0.4 (0.2)	1.1 (0.3)	1.3 (0.4)	0.7 (0.2)	0.4 (0.2)
SOWS total	10.5	7.3 (1.2)	2.8 (1.2)	2.0 (1.1)	5.3 (1.3)	6.8 (1.5)	4.8 (1.5)	3.8 (1.7)
Feeling sick	4.4	1.1 (0.3)	0.3 (0.2)	0.2 (0.2)	0.8 (0.3)	0.8 (0.3)	0.5 (0.2)	0.3 (0.2)
Muscular tension	4.9	0.8 (0.3)	0.3 (0.2)	0.2 (0.2)	0.7 (0.2)	0.8 (0.3)	0.3 (0.2)	0.4 (0.2)
Runny eyes	3.1	0.7 (0.3)	0.1 (0.1)	0.1 (0.1)	0.2 (0.1)	0.3 (0.1)	0.3 (0.1)	0.1 (0.1)
VAS opioid withdrawal severity	10.2	64.4 (8.6)	21.6 (10.2)	11.1 (6.1)	52.3 (10.3)	55.9 (10.2)	36.3 (11.0)	36.6 (11.8)
Observer-rated measures:
Opioid antagonist adjectives total	6.9	4.4 (1.0)	0.5 (0.2)	0.3 (0.1)	2.2 (0.8)	3.2 (0.9)	2.0 (0.6)	1.3 (0.6)
Yawning	4.4	0.6 (0.1)	0.0 (0.0)	0.0 (0.0)	0.3 (0.1)	0.3 (0.1)	0.2 (0.1)	0.1 (0.1)
Watery eyes	4.0	0.3 (0.1)	0.0 (0.0)	0.0 (0.0)	0.0 (0.0)	0.3 (0.1)	0.0 (0.0)	0.0 (0.0)
OOWS total	12.7	2.8 (0.4)	0.9 (0.2)	0.0 (0.0)	1.8 (0.4)	2.4 (0.4)	2.0 (0.2)	1.1 (0.2)
Rhinorhea	3.2	0.4 (0.1)	0.0 (0.0)	0.0 (0.0)	0.2 (0.1)	0.1 (0.1)	0.3 (0.1)	0.0 (0.0)

Bolded F values indicate p<0.05. Bold mean (SE) values indicate significant (p<0.05) post-hoc compared to placebo. Only individual items with significant post-hoc result for dronabinol are shown. P.O. indicates oral route.