1.	Does Early Re-administration of Aspirin/Clopidogrel Increase the Risk of Bleeding From Artificial Ulcer After EMR or ESD? Phase: Phase IV Type: Supportive care Status: Active Age: 18 to 80 Sponsor: Other Protocol IDs: PZ-1001-403-NS, NCT01621451
2.	The Effect of Non-Steroidal Anti-Inflammatory Drug Naproxen on Pleural Effusion Formation After Lung Resection Phase: Phase II Type: Supportive care Status: Approved-not yet active Age: 18 to 90 Sponsor: Other Protocol IDs: SJHHNaproxenRCT, NCT01612975
3.	Study Evaluating Pantoprazole With Doxorubicin for Advanced Cancer Patients With Extension Cohort of Patients With Solid Tumours Phase: Phase I Type: Biomarker/Laboratory analysis, Treatment Status: Active Age: 18 and over Sponsor: Other Protocol IDs: DDP-IT-01, NCT01163903
4.	Comparison of Proton Pump Inhibitor and H2 Receptor Blocker on Prevention of Bleeding From Iatrogenic Ulcer After Endoscopic Submucosal Dissection for Gastric Neoplasms: A Prospective Randomized Controlled Trial Phase: No phase specified Type: Supportive care, Treatment Status: Active Age: 18 to 80 Sponsor: Other Protocol IDs: 2009-06-030, NCT01179724