1.	Naloxone in Treating Constipation in Patients Who Are Receiving Opioids for Chronic Pain Phase: Phase III Type: Supportive care Status: Closed Age: Over 18 Sponsor: Other Protocol IDs: CDR0000068671, DFCI-NAL-0597, BWH-1999-P-002415/10, BWH-97-08658, ROXANE-NAL-0597, NCT00020605
2.	A Study Comparing Oxycodone to Oxycodone/Naloxone in Moderate to Severe, Chronic Cancer Pain Phase: Phase II Type: Supportive care Status: Completed Age: 18 and over Sponsor: Pharmaceutical / Industry Protocol IDs: OXN2001, 2007-001313-42, NCT00513656
3.	Naloxone or MePRDL for Control of Emesis Induced by MOPP, ProMACE or CACP Chemotherapy Phase: No phase specified Type: Supportive care Status: Closed Age: no age specified Sponsor: Protocol IDs: NCI-81-C-22, NCI-MB-149