TABLE 2.

Primary and secondary outcomes associated with oral naltrexone use versus long-acting injectable naltrexone use

	Oral Naltrexone (n = 16)	Long-Acting Injectable Naltrexone (n = 16)	P Value
Primary outcome
Time to relapse (median), d	50.5 ± 78.8	150.5 ± 108.9	.009
Secondary outcomes
Medication possession ratio (%)	81.0	76.2	.478
Other substance use, n (%)	13 (81.3)	14 (87.5)	.626
Past pharmacological treatment, n (%)	4 (25.0)	3 (18.7)	.669
Engagement in alcoholics anonymous, n (%)	3 (18.7)	1 (6.2)	.285