Bleeding Clinical Trial
Official title:
Efficacy and Safety of a New Polypectomy Snare for Cold-polypectomy for Subcentimetric Colorectal Polyps: the E-scope (Efficacy and Safety of COld PolypEctomy) Trial
Verified date | September 2014 |
Source | Istituto Clinico Humanitas |
Contact | n/a |
Is FDA regulated | No |
Health authority | Italy: Ethics Committee |
Study type | Interventional |
Colorectal cancer is a major cause of morbidity and mortality in Western countries.
Scientific studies have shown that endoscopic polypectomy is efficacious in preventing CRC
incidence and mortality.
Endoscopic polypectomy carries a risk of major complications, such as bleeding or bowel
perforation, so that a careful balance between efficacy and safety appears to be clinically
relevant.
Most of the polypectomies are performed for diminutive (<5 mm) or small (6-9 mm) lesions,
which represent over 90% of all the polyps.
To minimize the risk of complications when removing <10 mm polyps, cold-polypectomy
techniques - i.e. without electric current - by means of biopsy forceps or snare, have been
proposed.
Although the risk of perforation is virtually excluded by cold-polypectomy, the lack of
electrocautery may result in an increased risk of bleeding. The safety of cold-snare
polypectomy has however been recently shown in controlled trials.
Regarding the efficacy of cold-polypectomy for subcentimetric polyps, very few studies have
assessed the post-polypectomy completeness of the removal of polyp tissue (i.e. residual
disease), and no studies have compared it to conventional polypectomy.
The investigators perform this study to assess both the efficacy and safety of a novel snare
(Exacto™) for polyp removal.
Status | Completed |
Enrollment | 250 |
Est. completion date | August 2014 |
Est. primary completion date | April 2014 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - All consecutive patients undergoing colonoscopy, with at least one and no more than 5 polyps <10 mm. - The patient is at satisfactory risk to undergo abdominal surgery. - The patient must understand and provide written consent for the procedure. Exclusion Criteria: - Patients with inflammatory bowel disease. - Patients undergoing standard snare resection (with cautery) of polyps larger than 10 mm. - Patients with a personal history of polyposis syndrome. - Patients with suspected chronic stricture potentially precluding complete colonoscopy. - Patients with diverticulitis or toxic megacolon. - Patients with a history of radiation therapy to abdomen or pelvis. - Patients with a history of severe cardiovascular, pulmonary, liver or renal disease. - Personal history of coagulation disorders or use of anticoagulants/clopidogrel/aspirin/ticlopidine. - Patients who are currently enrolled in another clinical investigation in which the intervention might compromise the safety of the patient's participation in this study. |
Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Italy | San Gerardo Hospital | Monza | |
Italy | Azienda Ospedaliera "Maggiore della Carità" | Novara | |
Italy | Endoscopy Unit, Gastroenterology Department, Humanitas Research Hospital | Rozzano, Milan |
Lead Sponsor | Collaborator |
---|---|
Istituto Clinico Humanitas | Azienda Ospedaliero Universitaria Maggiore della Carita, San Gerardo Hospital |
Italy,
Atkin WS, Edwards R, Kralj-Hans I, Wooldrage K, Hart AR, Northover JM, Parkin DM, Wardle J, Duffy SW, Cuzick J; UK Flexible Sigmoidoscopy Trial Investigators. Once-only flexible sigmoidoscopy screening in prevention of colorectal cancer: a multicentre randomised controlled trial. Lancet. 2010 May 8;375(9726):1624-33. doi: 10.1016/S0140-6736(10)60551-X. Epub 2010 Apr 27. — View Citation
Heldwein W, Dollhopf M, Rösch T, Meining A, Schmidtsdorff G, Hasford J, Hermanek P, Burlefinger R, Birkner B, Schmitt W; Munich Gastroenterology Group. The Munich Polypectomy Study (MUPS): prospective analysis of complications and risk factors in 4000 colonic snare polypectomies. Endoscopy. 2005 Nov;37(11):1116-22. — View Citation
Horiuchi A, Nakayama Y, Kajiyama M, Tanaka N, Sano K, Graham DY. Removal of small colorectal polyps in anticoagulated patients: a prospective randomized comparison of cold snare and conventional polypectomy. Gastrointest Endosc. 2014 Mar;79(3):417-23. doi: 10.1016/j.gie.2013.08.040. Epub 2013 Oct 11. — View Citation
Ichise Y, Horiuchi A, Nakayama Y, Tanaka N. Prospective randomized comparison of cold snare polypectomy and conventional polypectomy for small colorectal polyps. Digestion. 2011;84(1):78-81. doi: 10.1159/000323959. Epub 2011 Apr 14. — View Citation
Lieberman D, Moravec M, Holub J, Michaels L, Eisen G. Polyp size and advanced histology in patients undergoing colonoscopy screening: implications for CT colonography. Gastroenterology. 2008 Oct;135(4):1100-5. doi: 10.1053/j.gastro.2008.06.083. Epub 2008 Jul 3. — View Citation
Panteris V, Haringsma J, Kuipers EJ. Colonoscopy perforation rate, mechanisms and outcome: from diagnostic to therapeutic colonoscopy. Endoscopy. 2009 Nov;41(11):941-51. doi: 10.1055/s-0029-1215179. Epub 2009 Oct 28. Review. — View Citation
Paspatis GA, Tribonias G, Konstantinidis K, Theodoropoulou A, Vardas E, Voudoukis E, Manolaraki MM, Chainaki I, Chlouverakis G. A prospective randomized comparison of cold vs hot snare polypectomy in the occurrence of postpolypectomy bleeding in small colonic polyps. Colorectal Dis. 2011 Oct;13(10):e345-8. doi: 10.1111/j.1463-1318.2011.02696.x. — View Citation
Repici A, Hassan C, Vitetta E, Ferrara E, Manes G, Gullotti G, Princiotta A, Dulbecco P, Gaffuri N, Bettoni E, Pagano N, Rando G, Strangio G, Carlino A, Romeo F, de Paula Pessoa Ferreira D, Zullo A, Ridola L, Malesci A. Safety of cold polypectomy for <10mm polyps at colonoscopy: a prospective multicenter study. Endoscopy. 2012 Jan;44(1):27-31. doi: 10.1055/s-0031-1291387. Epub 2011 Nov 28. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Percentage of complete polyp removal | Clinical success, defined as absence of polyp tissue, either hyperplastic or adenomatous, on the margins of the polypectomy area after cold-polypectomy of subcentimetric polyps. Such assessment is performed on two biopsies performed on the polypectomy scar. The investigators will calculate the percentage (%) of complete and incomplete polypectomies with the new device. | One year | Yes |
Secondary | Clinical success according to size | Clinical success (as defined in the primary end-point) according to the size class: diminutive (<5 mm) and small (6-9 mm) polyps. | One year | Yes |
Secondary | Post-polypectomy bleeding rates | Post-polypectomy bleeding defined as any bleeding requiring immediate therapeutic endoscopic procedure (i.e. clipping, electrocautery) or delayed treatment, such as hospitalization or new endoscopic procedure. | One year | Yes |
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