Adverse gastrointestinal effects of COX-2 Inhibitors for inflammatory diseases (protocol stage)

Antacids and lifestyle advice for reflux oesophagitis and Endoscopy Negative Reflux Disease (protocol stage)

Chinese herbal medicine alone or combined with vitamins for the treatment of gastric precancerous lesions (protocol stage)

Conservative interventions for the management of impacted food bolus in the oesophagus (protocol stage)

Early postoperative enteral nutrition versus parenteral nutrition for patients undergoing resection of stomach malignancy (protocol stage)

Endoscopic therapy for patients with gastro-esophageal reflux disease (GORD) (protocol stage)

Endoscopic versus medical therapy for recurrent bleeding from peptic ulcer associated with an adherent clot (protocol stage)

Helicobacter pylori eradication for premalignant lesions of the gastric mucosa (protocol stage)

Helicobacter pylori eradication for the prevention of gastric neoplasia (protocol stage)

Imatinib mesylate for gastrointestinal stromal tumours (GISTs) (protocol stage)

Interventions for Dysphagia in Oesophageal Cancer (protocol stage)

Long term proton pump inhibitor (PPI) use and incidence of gastric (pre) malignant lesions. (protocol stage)

Medical versus surgical management and comparison of laparoscopic fundoplication methods for gastro-oesphageal reflux disease (GORD) in adults (protocol stage)

Metoclopramide and domperidone in the treatment of gastroparesis (protocol stage)

Pancreatic enzymes for chronic pancreatitis (protocol stage)

Preoperative radiotherapy chemotherapy and surgery versus surgery alone for esophageal cancer (protocol stage)

Prophylaxis for stress-related gastrointestinal bleeding (protocol stage)

Red cell transfusion for the management of upper gastrointestinal haemorrhage (protocol stage)

Somatostatin and its analogues in the prevention of complications following pancreatic surgery (protocol stage)

Surgery followed by postoperative radiotherapy versus surgery alone for localized cancer of the esophagus (protocol stage)

Surgery versus radical endotherapies for early cancer and high grade dysplasia in Barrett's oesophagus (protocol stage)

Therapies for the eradication of Helicobacter pylori (protocol stage)

Traditional Chinese medicinal herbs for induction of remission in advanced or late gastric cancer (protocol stage)

Tranexamic acid for upper gastrointestinal bleeding (protocol stage)

Transthoracic Esophagectomy vs Transhiatal Esophagectomy for the surgical treatment of esophageal carcinoma. (protocol stage)

Treatment of Barrett's Oesophagus (protocol stage)