1.	The Effect of Combined General/Epidural Anesthesia Versus General Anesthesia on Diaphragmatic Function Phase: Phase IV Type: Supportive care, Treatment Status: Active Age: Over 18 Sponsor: Other Protocol IDs: 4-2007-0344, NCT01547416
2.	Epidural Versus Patient-controlled Analgesia for Reduction in Long-term Mortality Following Colorectal Cancer Surgery Phase: Phase III Type: Biomarker/Laboratory analysis, Supportive care Status: Active Age: 4 to 80 Sponsor: Other Protocol IDs: 2010/415-31, NCT01318161
3.	Prospective Randomized Trial Comparing the Effectiveness of Continuous Paravertebral Infusion of Local Anesthetics Versus Intravenous Patient-controlled Analgesia on Acute and Chronic Neuropathic Pain After VATS Lobectomy Phase: Phase II Type: Supportive care Status: Active Age: 18 to 78 Sponsor: Other Protocol IDs: 4-2012-0470, NCT01703351
4.	Epidural Analgesia or Patient-Controlled Analgesia in Treating Patients Who Have Undergone Surgery for Gynecologic Cancer Phase: No phase specified Type: Supportive care Status: Active Age: Not specified Sponsor: NCI, Other Protocol IDs: CDR0000459963, UCSF-03423, UCSF-H10588-24197-02, NCT00295945
5.	Placebo-controlled Evaluation of Ropivacaine Efficacy by Local Infiltrations Phase: No phase specified Type: Supportive care Status: Active Age: 18 and over Sponsor: Other Protocol IDs: DPO-Hepatectomy, ET2007-073, 2007-007968-19, NCT01194843