1.	Clinical Usefulness and Quality of Life of OROS Hydromorphone in Patients Who Have Not Been Treated With a Strong Opioid Phase: Phase IV Type: Supportive care Status: Active Age: 20 and over Sponsor: Pharmaceutical / Industry Protocol IDs: CR100741, 42801PAI4013, HYD-KOR-5011, NCT01532895
2.	Study to Evaluate Effectiveness and Tolerability of OROS Hydromorphone for Cancer Pain Treatment in Korean Patients Phase: Phase IV Type: Supportive care Status: Active Age: 20 and over Sponsor: Pharmaceutical / Industry Protocol IDs: CR100659, HYD-KOR-4003, 42801PAI4012, NCT01621100
3.	Safety of Fentanyl TAIFUN Treatment Phase: Phase III Type: Supportive care Status: Active Age: 18 and over Sponsor: Pharmaceutical / Industry Protocol IDs: CL_700_014, NCT00822614
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.	Pilot Study of Tumescent Versus Standard Mastectomy in Women With Stage I-III Breast Cancer Phase: No phase specified Type: Natural history/Epidemiology, Treatment Status: Active Age: 18 and over Sponsor: NCI Protocol IDs: UCD-CCSO001, CCSO001, 200816282-1, NCT00859157