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Full list:

By subtopic:

Abdominal hernia diseases (19)
Prevention (1)
Surgery (1)
Lateral pararectal stoma placement versus transrectal stoma siting for prevention of parastomal herniation (protocol stage)
Rehabilitation (0)
Treatment (18)
Medical therapy (1)
Antibiotic prophylaxis for hernia repair.
Surgery (17)
Shouldice technique versus other open techniques for inguinal hernia repair
Open Preperitoneal Techniques versus Lichtenstein Repair for elective Inguinal Hernias
Lightweight versus Heavyweight mesh for laparoscopic repair of inguinal hernia (protocol stage)
Lightweight versus Heavyweight mesh for open repair of inguinal hernia (protocol stage)
Open Mesh versus non-Mesh for groin hernia repair
Transverse verses midline incisions for abdominal surgery
Exploration of the contralateral side when operating for inguinal hernia in children for detection of bilateral hernation (protocol stage)
Watchful waiting versus surgical operation for asymptomatic hernia (protocol stage)
Testicular perfusion and testicular volume after inguinal hernia repair (protocol stage)
Laparoscopic versus open surgical techniques for ventral or incisional hernia repair
Mesh fixation techniques for laparoscopic inguinal hernia repair in adults (protocol stage)
Open surgical procedures for incisional hernias
Prosthetic mesh for prevention of parastomal herniation. (protocol stage)
Preservation versus elective neurectomy of the ilioinguinal nerve for open mesh inguinal hernia surgery (protocol stage)
Closure methods for laparotomy incisions (protocol stage)
Laparoscopic techniques versus open techniques for inguinal hernia repair
Transabdominal pre-peritoneal (TAPP) vs totally extraperitoneal (TEP) laparoscopic techniques for inguinal hernia repair.
Appendiceal diseases (12)
Control of (1)
Medical therapy (1)
Analgesia in patients with acute abdominal pain
Surgery (0)
Diagnostic test accuracy (2)
Ultrasonography for diagnosis of acute appendicitis (protocol stage)
Diagnostic accuracy of Computed Tomography for Appendicitis in Adults (protocol stage)
Economy (0)
Prevention (2)
Medical therapy (2)
Antibiotics versus placebo for prevention of postoperative infection after appendicectomy.
Intra-peritoneal prophylactic agents for preventing adhesions and adhesive intestinal obstruction after non-gynaecological abdominal surgery
Surgery (0)
Rehabilitation (0)
Treatment (7)
Medical therapy (2)
Abdominal drainage after appendectomy for complicated appendicitis (protocol stage)
Antibiotics versus placebo for prevention of postoperative infection after appendicectomy.
Surgery (5)
Gases for establishing pneumoperitoneum during laparoscopic abdominal surgery
Appendix stump closure during laparoscopic appendectomy (protocol stage)
Appendectomy versus antibiotic treatment for acute appendicitis
Single incision versus conventional multi-incision appendicectomy for suspected appendicitis
Laparoscopic versus open surgery for suspected appendicitis
Diverticulosis and diverticulitis (3)
Control of (1)
Medical therapy (1)
Analgesia in patients with acute abdominal pain
Surgery (0)
Economy (0)
Prevention (0)
Rehabilitation (0)
Treatment (2)
Medical therapy (1)
Antibiotics for uncomplicated diverticulitis
Surgery (1)
Laparoscopic versus open surgery for colonic diverticulitis (protocol stage)
Neoplastic diseases of the colon (84)
Control of (1)
Surgery (1)
Narrow band imaging versus conventional white light colonoscopy for the detection of colorectal polyps
Diagnostic test accuracy (2)
FDG PET-CT imaging for pre operative staging in patients with colorectal cancer (protocol stage)
Guaiac-based faecal occult blood tests versus faecal immunochemical tests for colorectal cancer screening in average-risk individuals (protocol stage)
Economy (0)
Prevention (26)
Adjuvant therapy (10)
Nonsteroidal anti-inflammatory drugs (NSAID) and aspirin for preventing colorectal adenomas and carcinomas in patients with previous adenomas and/or genetic disposition (protocol stage)
Nonsteroidal anti-inflammatory drugs (NSAID) and aspirin for preventing recurrence and metachronous colorectal carcinomas in patients previously treated for colorectal cancer (protocol stage)
Nonsteroidal anti-inflammatory drugs (NSAID) and aspirin for preventing colorectal adenomas and carcinomas in general population (protocol stage)
Vitamins and minerals for the prevention of colorectal adenomas and carcinomas (protocol stage)
Warm water infusion versus air insufflation for aiding colonoscopy insertion (protocol stage)
Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Dietary fibre for the prevention of colorectal adenomas and carcinomas
Glutamine supplementation in enteral or parenteral nutrition for the incidence of mucositis in colorectal cancer (protocol stage)
Iron nutriture for colorectal cancer (protocol stage)
Non steroidal anti-inflammatory drugs (NSAID) and aspirin for preventing colorectal adenomas and carcinomas
Medical therapy (2)
Intra-peritoneal prophylactic agents for preventing adhesions and adhesive intestinal obstruction after non-gynaecological abdominal surgery
Ursodeoxycholic acid for the prevention of colorectal adenomas and carcinomas (protocol stage)
Surgery (14)
Transparent Cap Colonoscopy versus Standard Colonoscopy to Improve Caecal Intubation
Virtual reality simulation training for health professions trainees in gastrointestinal endoscopy
Long-term results of laparoscopic colorectal cancer resection
Bowel preparation for colonoscopy (protocol stage)
Flexible sigmoidoscopy versus faecal occult blood testing for colorectal cancer screening in asymptomatic individuals (protocol stage)
Screening for colorectal cancer using the faecal occult blood test, Hemoccult
Chromoscopy versus conventional endoscopy for the detection of polyps in the colon and rectum
Colonoscopic polypectomy for prevention of colorectal cancer (protocol stage)
Prolonged thromboprophylaxis with Low Molecular Weight heparin for abdominal or pelvic surgery
Heparins and mechanical methods for thromboprophylaxis in colorectal surgery
Interventions for improving uptake of population-based screening for colorectal cancer using fecal occult blood testing (protocol stage)
Prophylactic anastomotic drainage for colorectal surgery
Screening sigmoidoscopy and colonoscopy for reducing colorectal cancer mortality in asymtomatic persons (protocol stage)
Short term benefits for laparoscopic colorectal resection
Rehabilitation (2)
Quality of life after laparoscopic versus open resection in colorectal cancer (protocol stage)
Follow-up strategies for patients treated for non-metastatic colorectal cancer
Treatment (53)
Adjuvant therapy (21)
Histamine type 2 receptor antagonists as adjuvant treatment for resected colorectal cancer
Radiofrequency ablation in the treatment of liver metastases from colorectal cancer
Chemotherapy for downstaging unresectable liver metastases from colorectal cancer (protocol stage)
Fluoropyrimidine-HAI (hepatic arterial infusion) versus systemic chemotherapy (SCT) for unresectable liver metastases from colorectal cancer
Irinotecan chemotherapy combined with fluoropyrimidines versus irinotecan alone for advanced and/or metastatic colorectal cancer (protocol stage)
Sequential versus combination chemotherapy for advanced colorectal cancer (protocol stage)
Oral versus intravenous fluoropyrimidines for colorectal cancer (protocol stage)
Prophylactic nasogastric decompression after abdominal surgery
Chronomodulated chemotherapy versus conventional chemotherapy for Advanced and /or Metastatic Colorectal Cancer (protocol stage)
Duration of adjuvant chemotherapy for patients with non-metastatic colorectal cancer
Hepatic artery adjuvant chemotherapy for patients having resection or ablation of colorectal cancer metastatic to the liver
Selective internal radiation therapy for liver metastases from colorectal cancer
Second-line chemotherapy in advanced and metastatic CRC
Chemotherapy with Camptothecin compounds for metastatic colorectal cancer (protocol stage)
Adjuvant Therapy for completely resected Stage II Colon Cancer
Chemotherapy with platinum compounds for metastatic colorectal cancer (protocol stage)
Dietary fibre for the prevention of colorectal adenomas and carcinomas
Follow-up strategies for patients treated for non-metastatic colorectal cancer
Non steroidal anti-inflammatory drugs (NSAID) and aspirin for preventing colorectal adenomas and carcinomas
Oral versus intravenous fluoropyrimidines for metastatic colorectal cancer. (protocol stage)
Palliative chemotherapy for advanced or metastatic colorectal cancer
Medical therapy (11)
Pre-operative Nutrition Support in Patients Undergoing Gastrointestinal Surgery.
Interventions for reducing diarrhoea in patients receiving chemotherapy for colorectal cancer (protocol stage)
Propofol for sedation during colonoscopy
Perioperative corticosteroids for patients undergoing elective major abdominal surgery (CORPUS) (protocol stage)
Octreotide for inoperable malignant bowel obstruction (protocol stage)
Epidermal growth factor receptor (EGF-R) inhibitors for metastatic colorectal cancer (protocol stage)
Systemic prokinetic pharmacologic treatment for postoperative adynamic ileus following abdominal surgery in adults
Anti-angiogenic therapies for metastatic colorectal cancer
Adjuvant Therapy for completely resected Stage II Colon Cancer
Chinese medical herbs for chemotherapy side effects in colorectal cancer patients
Oral versus intravenous fluoropyrimidines for metastatic colorectal cancer. (protocol stage)
Surgery (21)
Gases for establishing pneumoperitoneum during laparoscopic abdominal surgery
Non-resection versus resection for an asymptomatic primary tumour in patients with unresectable Stage IV colorectal cancer
Long-term results of laparoscopic colorectal cancer resection
Workload and surgeon´s specialty for outcome after colorectal cancer surgery
Stapled versus handsewn methods for colorectal anastomosis surgery
Single layer versus double layer suture anastomosis of the gastrointestinal tract
Colorectal stents for the management of malignant colonic obstructions
Mechanical bowel preparation for elective colorectal surgery
Resection versus no intervention or other surgical interventions for colorectal cancer liver metastases
Stapled versus handsewn methods for ileocolic anastomoses
Energy source instruments for laparoscopic colectomy
Closed versus open approach in laparoscopic colorectal surgery (protocol stage)
Fast track surgery versus conventional recovery strategies for colorectal surgery
Perioperative blood transfusions and recurrence of colorectal cancer
Hand assisted laparoscopic surgery versus conventional laparoscopy for colorectal surgery
Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC) for peritoneal carcinomatosis in patients with colorectal cancer (protocol stage)
Pre and peri-operative erythropoeitin for reducing allogeneic blood transfusions in colorectal cancer surgery.
Curative surgery for obstruction from primary left colorectal carcinoma: Primary or staged resection?
Ileostomy or colostomy for temporary decompression of colorectal anastomosis
Prophylactic anastomotic drainage for colorectal surgery
Short term benefits for laparoscopic colorectal resection
Neoplastic diseases of the rectum and anus (81)
Control of (3)
Adjuvant therapy (1)
Local surgical treatment in early rectal cancer with or without adjuvant therapy (protocol stage)
Medical therapy (0)
Surgery (2)
Narrow band imaging versus conventional white light colonoscopy for the detection of colorectal polyps
Local surgical treatment in early rectal cancer with or without adjuvant therapy (protocol stage)
Diagnostic test accuracy (3)
Magnetic resonance imaging (MRI) versus computed tomography (CT) for the diagnosis of lymph node metastasis in preoperative rectal cancer (protocol stage)
FDG PET-CT imaging for pre operative staging in patients with colorectal cancer (protocol stage)
Guaiac-based faecal occult blood tests versus faecal immunochemical tests for colorectal cancer screening in average-risk individuals (protocol stage)
Economy (0)
Prevention (20)
Adjuvant therapy (9)
Nonsteroidal anti-inflammatory drugs (NSAID) and aspirin for preventing colorectal adenomas and carcinomas in patients with previous adenomas and/or genetic disposition (protocol stage)
Nonsteroidal anti-inflammatory drugs (NSAID) and aspirin for preventing colorectal adenomas and carcinomas in general population (protocol stage)
Vitamins and minerals for the prevention of colorectal adenomas and carcinomas (protocol stage)
Local surgical treatment in early rectal cancer with or without adjuvant therapy (protocol stage)
Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Dietary fibre for the prevention of colorectal adenomas and carcinomas
Glutamine supplementation in enteral or parenteral nutrition for the incidence of mucositis in colorectal cancer (protocol stage)
Iron nutriture for colorectal cancer (protocol stage)
Non steroidal anti-inflammatory drugs (NSAID) and aspirin for preventing colorectal adenomas and carcinomas
Medical therapy (2)
Nonsteroidal anti-inflammatory drugs (NSAID) and aspirin for preventing recurrence and metachronous colorectal carcinomas in patients previously treated for colorectal cancer (protocol stage)
Ursodeoxycholic acid for the prevention of colorectal adenomas and carcinomas (protocol stage)
Surgery (9)
Flexible sigmoidoscopy versus faecal occult blood testing for colorectal cancer screening in asymptomatic individuals (protocol stage)
Local surgical treatment in early rectal cancer with or without adjuvant therapy (protocol stage)
Screening for colorectal cancer using the faecal occult blood test, Hemoccult
Chromoscopy versus conventional endoscopy for the detection of polyps in the colon and rectum
Colonoscopic polypectomy for prevention of colorectal cancer (protocol stage)
Heparins and mechanical methods for thromboprophylaxis in colorectal surgery
Interventions for improving uptake of population-based screening for colorectal cancer using fecal occult blood testing (protocol stage)
Prophylactic anastomotic drainage for colorectal surgery
Screening sigmoidoscopy and colonoscopy for reducing colorectal cancer mortality in asymtomatic persons (protocol stage)
Rehabilitation (3)
Quality of life after rectal resection for cancer, with or without permanent colostomy.
Quality of life after laparoscopic versus open resection in colorectal cancer (protocol stage)
Follow-up strategies for patients treated for non-metastatic colorectal cancer
Treatment (52)
Adjuvant therapy (23)
Preoperative chemoradiation versus radiation alone for stage II and III resectable rectal cancer
Pre-operative chemoradiation for non-metastatic locally advanced rectal cancer
Histamine type 2 receptor antagonists as adjuvant treatment for resected colorectal cancer
Radiofrequency ablation in the treatment of liver metastases from colorectal cancer
Intestinal dysfunction and QOL in patients with or without radiotherapy after rectal cancer resection. (protocol stage)
Postoperative adjuvant chemotherapy in rectal cancer operated for cure.
Chemotherapy for downstaging unresectable liver metastases from colorectal cancer (protocol stage)
Local surgical treatment in early rectal cancer with or without adjuvant therapy (protocol stage)
Fluoropyrimidine-HAI (hepatic arterial infusion) versus systemic chemotherapy (SCT) for unresectable liver metastases from colorectal cancer
Early enteral nutrition within 24h of colorectal surgery versus later commencement of feeding for postoperative complications
Combination chemotherapy versus single agent chemotherapy during preoperative chemoradiation for resectable rectal cancer (protocol stage)
Irinotecan chemotherapy combined with fluoropyrimidines versus irinotecan alone for advanced and/or metastatic colorectal cancer (protocol stage)
Sequential versus combination chemotherapy for advanced colorectal cancer (protocol stage)
Oral versus intravenous fluoropyrimidines for colorectal cancer (protocol stage)
Duration of adjuvant chemotherapy for patients with non-metastatic colorectal cancer
Hepatic artery adjuvant chemotherapy for patients having resection or ablation of colorectal cancer metastatic to the liver
Concomitant hyperthermia and radiation therapy for treating locally advanced rectal cancer
Second-line chemotherapy in advanced and metastatic CRC
Chemotherapy with Camptothecin compounds for metastatic colorectal cancer (protocol stage)
Chemotherapy with platinum compounds for metastatic colorectal cancer (protocol stage)
Oral versus intravenous fluoropyrimidines for metastatic colorectal cancer. (protocol stage)
Pre-operative radiotherapy and curative surgery for the management of localized rectal carcinoma
Radiotherapy versus combined modality therapy for anal carcinoma (protocol stage)
Medical therapy (9)
Interventions for anal canal intraepithelial neoplasia
Pre-operative Nutrition Support in Patients Undergoing Gastrointestinal Surgery.
Interventions for reducing diarrhoea in patients receiving chemotherapy for colorectal cancer (protocol stage)
Propofol for sedation during colonoscopy
Epidermal growth factor receptor (EGF-R) inhibitors for metastatic colorectal cancer (protocol stage)
Anti-angiogenic therapies for metastatic colorectal cancer
Chinese medical herbs for chemotherapy side effects in colorectal cancer patients
Oral versus intravenous fluoropyrimidines for metastatic colorectal cancer. (protocol stage)
Palliative chemotherapy for advanced or metastatic colorectal cancer
Surgery (20)
Interventions for anal canal intraepithelial neoplasia
Non-resection versus resection for an asymptomatic primary tumour in patients with unresectable Stage IV colorectal cancer
Long-term results of laparoscopic colorectal cancer resection
Workload and surgeon´s specialty for outcome after colorectal cancer surgery
Stapled versus handsewn methods for colorectal anastomosis surgery
Single layer versus double layer suture anastomosis of the gastrointestinal tract
Mechanical bowel preparation for elective colorectal surgery
Resection versus no intervention or other surgical interventions for colorectal cancer liver metastases
Robotic surgery for rectal cancer (protocol stage)
Local surgical treatment in early rectal cancer with or without adjuvant therapy (protocol stage)
Perioperative blood transfusions and recurrence of colorectal cancer
Hand assisted laparoscopic surgery versus conventional laparoscopy for colorectal surgery
Transanal endoscopic microsurgery (TEM) compared to radical surgery for rectal cancer (protocol stage)
Pre and peri-operative erythropoeitin for reducing allogeneic blood transfusions in colorectal cancer surgery.
Curative surgery for obstruction from primary left colorectal carcinoma: Primary or staged resection?
Laparoscopic versus open total mesorectal excision for rectal cancer
Pre-operative radiotherapy and curative surgery for the management of localized rectal carcinoma
Prophylactic anastomotic drainage for colorectal surgery
Reconstructive Techniques After Rectal Resection for Rectal Cancer
Short term benefits for laparoscopic colorectal resection
Neoplastic diseases of the small bowel (10)
Prevention (1)
Surgery (1)
Prolonged thromboprophylaxis with Low Molecular Weight heparin for abdominal or pelvic surgery
Rehabilitation (0)
Treatment (9)
Adjuvant therapy (2)
Adjuvant chemotherapy for small intestine adenocarcinoma
Oral water soluble contrast for the management of adhesive small bowel obstruction
Medical therapy (6)
Pre-operative Nutrition Support in Patients Undergoing Gastrointestinal Surgery.
Oral traditional Chinese medication for adhesive small bowel obstruction
Interventions for reducing diarrhoea in patients receiving chemotherapy for colorectal cancer (protocol stage)
Perioperative corticosteroids for patients undergoing elective major abdominal surgery (CORPUS) (protocol stage)
Octreotide for inoperable malignant bowel obstruction (protocol stage)
Bowel Preparation and Prokinetic Agents for Small Bowel Capsule Endoscopy (protocol stage)
Surgery (1)
Stapled versus handsewn methods for ileocolic anastomoses
Non-neoplastic diseases of the small bowel, colon, rectum, anus, perianal diseases, and peritoneal disases (42)
Control of (1)
Medical therapy (1)
Analgesia in patients with acute abdominal pain
Surgery (0)
Economy (0)
Prevention (3)
Medical therapy (1)
Intra-peritoneal prophylactic agents for preventing adhesions and adhesive intestinal obstruction after non-gynaecological abdominal surgery
Surgery (2)
Cesarean delivery for the prevention of anal incontinence
Prophylactic anastomotic drainage for colorectal surgery
Rehabilitation (0)
Treatment (38)
Medical therapy (13)
Phlebotonics for haemorrhoids
Bowel Preparation for Paediatric Colonoscopy (protocol stage)
Antibiotic regimens for secondary peritonitis of gastrointestinal origin in adults
Non surgical therapy for anal fissure
Anaesthetic techniques for open inguinal and femoral hernia repair in adults (protocol stage)
Topical treatment for hemorrhoids (protocol stage)
Cisapride for Intestinal Constipation
Lactulose versus Polyethylene Glycol for Chronic Constipation
Perioperative corticosteroids for patients undergoing elective major abdominal surgery (CORPUS) (protocol stage)
Octreotide for inoperable malignant bowel obstruction (protocol stage)
Systemic prokinetic pharmacologic treatment for postoperative adynamic ileus following abdominal surgery in adults
Chinese medical herbs for chemotherapy side effects in colorectal cancer patients
Laxatives for the treatment of hemorrhoids.
Non surgical (7)
Acupoint stimulation for postoperative ileus  following gastrointestinal surgery (protocol stage)
Pre-operative Nutrition Support in Patients Undergoing Gastrointestinal Surgery.
Oral traditional Chinese medication for adhesive small bowel obstruction
Non surgical therapy for anal fissure
Role of homeopathic medicines in prevention and treatment of paralytic ileus (protocol stage)
Rubber band ligation versus excisional haemorrhoidectomy for haemorrhoids
Prophylactic nasogastric decompression after abdominal surgery
Surgery (18)
Surgery for ulcerative colitis: Outcomes in low volume hospitals versus high volume hospitals (protocol stage)
Long-term results of laparoscopic colorectal cancer resection
Trans anal haemorrhoidal de-arterialisation versus stapled haemorrhoidopexy for the management of haemorrhoidal disease (protocol stage)
Surgery for complicated diverticular disease: primary or secondary anastomosis after colonic resection (protocol stage)
Operative procedures for fissure in ano
Transverse verses midline incisions for abdominal surgery
Mechanical bowel preparation for elective colorectal surgery
Nitrous Oxide for Colonoscopy
Conventional versus LigaSure hemorrhoidectomy for patients with symptomatic Hemorrhoids
Perioperative prebiotics, probiotics or synbiotics for elective abdominal surgery in adults (protocol stage)
Rubber band ligation versus excisional haemorrhoidectomy for haemorrhoids
Heated CO2 with or without humidification for minimally invasive abdominal surgery
Hand assisted laparoscopic surgery versus conventional laparoscopy for colorectal surgery
Stapled versus conventional surgery for hemorrhoids
Laparoscopic versus open surgery in small bowel obstruction
Open versus laparoscopic (assisted) ileo pouch anal anastomosis for ulcerative colitis and familial adenomatous polyposis
Prophylactic anastomotic drainage for colorectal surgery
Short term benefits for laparoscopic colorectal resection
Other CCCG reviews - collaboration with other CRG's (1)
Epidural local anaesthetics versus opioid-based analgesic regimens for postoperative gastrointestinal paralysis, PONV and pain after abdominal surgery
Surgical aspects of inflammatory bowel or peritoneal diseases (4)
Treatment (4)
Planned relaparotomy versus relaparotomy on demand for treatment of secondary peritonitis (protocol stage)
Mesalamine (5-ASA) for the management of diverticulitis (protocol stage)
Laparoscopic versus Open surgery for small bowel Crohn's disease
Sugarbaker procedure for pseudomyxoma peritonei (protocol stage)

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