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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04578392
Other study ID # 20-139
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date July 28, 2020
Est. completion date December 31, 2027

Study information

Verified date April 2022
Source The Cleveland Clinic
Contact Allison Bayles, AA
Phone 216-444-0887
Email ibdstemcelltherapy@ccf.org
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Study description - Patients will be randomized according to post-operative recurrence risk to either a high ligation of ileocolic artery or mesenteric sparing ileocolic resection for terminal ileal Crohn's disease. The primary endpoint 6-month endoscopic recurrence. Endpoints - Primary endpoint; 6 months Secondary endpoints at 1 and 5 years post ileocecal resection Study population - Adult Crohn's disease patients with medically refractory terminal ileal Crohn's disease undergoing a primary ileocecal resection. Study sites - Multicenter international study Description of study intervention - Randomized control trial of two operative techniques Operative approach of a high ligation of ileocolic artery as compared to mesenteric sparing for a primary ileocolic resection Participate duration - 5 years


Description:

There is increasing evidence to suggest that the mesentery may play an active role in the pathophysiology of Crohn's disease. There is significant clinical, endoscopic, and surgical recurrence of disease following ileocolic resection at the site of the anastomosis. The study is seeking to understand if the mesentery plays a role in recurrence following ileocolic resection. Crohn's disease (CD) is a chronic inflammatory disease of the intestinal tract with an unknown etiology and an unknown cure. The characteristic transmural inflammation can progress to refractory inflammatory disease, stricturing disease, and fistulizing disease - all potential indications for surgery when medical management has been exhausted. An important tenant to remember is that surgery is not curative but is rather an adjunct to maximal medical therapy. One third of patients with Crohn's disease (CD) will require a major abdominal resection within 5 years of their diagnosis, and two-thirds will ultimately require operative management at least once during the course of their disease. Unfortunately, surgery for Crohn's disease (CD) is not curative and disease recurrence is common with 62% having endoscopic recurrence at six months, and 80% and 30% of patients having endoscopic and clinical recurrence, respectively, at one year. A third of these patients will require a reoperation at 10 years and up to 80% will require an additional operation by 15 years.This undoubtedly leads to an increased probability of malabsorption syndrome and decreased quality of life. A significant volume of research has been conducted in attempt to determine how to prevent postoperative recurrence of CD following an ileocolic resection. Some studies have focused on the timing of resuming postoperative medical therapy. Others have looked at surgical technique at the time of ileocolic resection including anatomic configuration of the anastomosis and performing a stapled versus handsewn anastomosis. Various configurations include a side to side anastomosis, end to end, and Kono-S anastomosis. A randomized clinical trial compared a side to side versus an end to end, and found endoscopic recurrence rates were similar in the two groups (42.5% versus 37.9%) at a mean follow up of 11.9 months. A later multi-institution international trial of the Kono S anastomosis determined that the anastomosis was associated with a decreased surgical recurrence rate as compared to conventional anastomoses; 5 and 10 year surgical recurrence-free survival was 98.6%.15 Several Cochrane Database reviews have reported no difference in a stapled versus handsewn anastomosis for an ileocolic resection. Therefore, other than the potential decreased recurrence with the Kono-S anastomosis, no other surgical techniques have altered the postoperative recurrence rate of CD following an ileocolic resection. Interestingly there is recent evidence to suggest that CD may be a disease of the mesentery rather than just the mucosa of the bowel alone. In CD, the transmural inflammation facilitates increased bacterial translocation into the creeping fat. These translocating antigens and activate adipocytes which are cells than have complex metabolic and immunologic functions. Additionally, it is thought that functional abnormalities in the mesenteric structures exert an inflammatory effect: the secretion of adipokines that have endocrine functions contribute to immunomodulation through a response to afferent signals, neuropeptides, and functional cytokines; mesenteric nerves are involved in the pathogenesis through neuropeptides; and lymphatics in the mesentery may obstruct, remodel, and impair contraction, contributing to the irregularly thickened mesentery seen in CD. Interestingly, the interaction between neuropeptides, adipokines, and vascular and lymphatic endothelia leads to adipose tissue remodeling. This makes the mesentery an active participant in CD, seemingly as much as the bowel itself. However, the mesentery is typically spared, or left in situ, during resection for CD, unlike resections for adenocarinocma of the colon. In adenocarcinoma, a 'high ligation' is performed, where the feeding vessel is taken at its origin in order to take sufficient mesentery and lymph nodes with the colon specimen. However, in operations for CD, the mesentery is spared and typically taken close to the bowel wall despite enlarged lymph nodes and thickened diseased mesentery. A high ligation of the ileocolic artery in order to sample an increased volume of mesentery and lymph nodes to prevent postoperative CD has never been evaluated in a randomized control trial. A recent retrospective study comparing surgical recurrence following a mesenteric sparing versus mesenteric resection approach with ileocecal resection found cumulative reoperation rates were significantly lower in the mesenteric resection group (40% versus 2.9%; p=0.003). The endoscopic recurrence of CD typically precedes clinical symptoms, and the severity of lesions can predict the subsequent symptomatic course of the disease. Over a four year follow-up period, 100% of patients with severe endoscopic recurrence (Rutgeerts score of i2-i4) developed symptomatic recurrence compared to only 9% of patients with a low score (i0-i1). With such a high rate of endoscopic recurrence, it is thought that post-surgical evaluation should be performed at six months rather than one year when considering adequate early treatment.


Recruitment information / eligibility

Status Recruiting
Enrollment 181
Est. completion date December 31, 2027
Est. primary completion date December 31, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: - Males and females 18-65 years of age. - Isolated ileocolic Crohn's disease of <30 cm in length - Concurrent therapies with corticosteroids, 5-ASA drugs, thiopurines, MTX, antibiotics, anti-TNF, vedolizumab, ustekinumab therapy are permitted. - Ability to comply with protocol - Competent and able to provide written informed consent - Medically refractory disease or inability to tolerate ongoing medical therapy Exclusion Criteria:Inability to give informed consent. - Patients less than 18 years of age - Patients undergoing repeat ileocolic resection - Patients with concurrent disease in other locations (e.g. proximal stricturing of the small bowel, fistulizing disease to the sigmoid colon) requiring an additional intervention in the operating room beyond an ileocolic resection. - Patients with >30 cm of terminal ileal disease - Patients who are undergoing an ileal resection only (NOT ileocecal) because the disease spares the distal most aspect of ileum and ileocecal valve - Patient whose anastomosis is diverted intra-operatively with a loop or end ileostomy - Clinically significant medical conditions within the six months before surgery: e.g. myocardial infarction, active angina, congestive heart failure or other conditions that would, in the opinion of the investigators, compromise the safety of the patient. - Specific exclusions; Evidence of hepatitis B, C, or HIV - History of cancer including melanoma (with the exception of localized skin cancers) - Emergent indication for an operation - Pregnant or breast feeding. - History of clinically significant auto-immunity (other than Crohn's disease) or any previous example of fat-directed autoimmunity - Inability to follow up at respective sites for the primary endpoint

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
high ligation of ileocolic artery
Patients will be randomized according to post-operative recurrence risk to surgery to high ligation or mesenteric sparing
mesenteric sparing
Patients will be randomized according to post-operative recurrence risk to surgery to high ligation or mesenteric sparing

Locations

Country Name City State
Canada Mt. Sinai Toronto Ontario
Italy Humanitas Rozzano Milano
United Kingdom St Mark's Hospital and Academic Institution Harrow Middlesex
United States Cleveland Clinic Cleveland Ohio
United States Cedars-Sinai Hospital System Los Angeles California
United States Stanford University School of Medicine Stanford California
United States Cleveland Clinic Florida Weston Florida

Sponsors (1)

Lead Sponsor Collaborator
The Cleveland Clinic

Countries where clinical trial is conducted

United States,  Canada,  Italy,  United Kingdom, 

References & Publications (21)

Bernell O, Lapidus A, Hellers G. Risk factors for surgery and postoperative recurrence in Crohn's disease. Ann Surg. 2000 Jan;231(1):38-45. — View Citation

Bouguen G, Peyrin-Biroulet L. Surgery for adult Crohn's disease: what is the actual risk? Gut. 2011 Sep;60(9):1178-81. doi: 10.1136/gut.2010.234617. Epub 2011 May 24. Review. — View Citation

Canin-Endres J, Salky B, Gattorno F, Edye M. Laparoscopically assisted intestinal resection in 88 patients with Crohn's disease. Surg Endosc. 1999 Jun;13(6):595-9. — View Citation

Caprilli R, Gassull MA, Escher JC, Moser G, Munkholm P, Forbes A, Hommes DW, Lochs H, Angelucci E, Cocco A, Vucelic B, Hildebrand H, Kolacek S, Riis L, Lukas M, de Franchis R, Hamilton M, Jantschek G, Michetti P, O'Morain C, Anwar MM, Freitas JL, Mouzas I — View Citation

Choy PY, Bissett IP, Docherty JG, Parry BR, Merrie A, Fitzgerald A. Stapled versus handsewn methods for ileocolic anastomoses. Cochrane Database Syst Rev. 2011 Sep 7;(9):CD004320. doi: 10.1002/14651858.CD004320.pub3. Review. — View Citation

Coffey CJ, Kiernan MG, Sahebally SM, Jarrar A, Burke JP, Kiely PA, Shen B, Waldron D, Peirce C, Moloney M, Skelly M, Tibbitts P, Hidayat H, Faul PN, Healy V, O'Leary PD, Walsh LG, Dockery P, O'Connell RP, Martin ST, Shanahan F, Fiocchi C, Dunne CP. Inclusion of the Mesentery in Ileocolic Resection for Crohn's Disease is Associated With Reduced Surgical Recurrence. J Crohns Colitis. 2018 Nov 9;12(10):1139-1150. doi: 10.1093/ecco-jcc/jjx187. — View Citation

Kono T, Fichera A, Maeda K, Sakai Y, Ohge H, Krane M, Katsuno H, Fujiya M. Kono-S Anastomosis for Surgical Prophylaxis of Anastomotic Recurrence in Crohn's Disease: an International Multicenter Study. J Gastrointest Surg. 2016 Apr;20(4):783-90. doi: 10.1007/s11605-015-3061-3. Epub 2015 Dec 22. — View Citation

Kredel L, Batra A, Siegmund B. Role of fat and adipokines in intestinal inflammation. Curr Opin Gastroenterol. 2014 Nov;30(6):559-65. doi: 10.1097/MOG.0000000000000116. Review. — View Citation

Lazarev M, Ullman T, Schraut WH, Kip KE, Saul M, Regueiro M. Small bowel resection rates in Crohn's disease and the indication for surgery over time: experience from a large tertiary care center. Inflamm Bowel Dis. 2010 May;16(5):830-5. doi: 10.1002/ibd.21118. — View Citation

Lewis RT, Maron DJ. Efficacy and complications of surgery for Crohn's disease. Gastroenterol Hepatol (N Y). 2010 Sep;6(9):587-96. — View Citation

Li Y, Zhu W, Zuo L, Shen B. The Role of the Mesentery in Crohn's Disease: The Contributions of Nerves, Vessels, Lymphatics, and Fat to the Pathogenesis and Disease Course. Inflamm Bowel Dis. 2016 Jun;22(6):1483-95. doi: 10.1097/MIB.0000000000000791. Review. — View Citation

McLeod RS, Wolff BG, Ross S, Parkes R, McKenzie M; Investigators of the CAST Trial. Recurrence of Crohn's disease after ileocolic resection is not affected by anastomotic type: results of a multicenter, randomized, controlled trial. Dis Colon Rectum. 2009 May;52(5):919-27. doi: 10.1007/DCR.0b013e3181a4fa58. — View Citation

Mekhjian HS, Switz DM, Watts HD, Deren JJ, Katon RM, Beman FM. National Cooperative Crohn's Disease Study: factors determining recurrence of Crohn's disease after surgery. Gastroenterology. 1979 Oct;77(4 Pt 2):907-13. — View Citation

Michelassi F, Balestracci T, Chappell R, Block GE. Primary and recurrent Crohn's disease. Experience with 1379 patients. Ann Surg. 1991 Sep;214(3):230-8; discussion 238-40. — View Citation

Neutzling CB, Lustosa SA, Proenca IM, da Silva EM, Matos D. Stapled versus handsewn methods for colorectal anastomosis surgery. Cochrane Database Syst Rev. 2012 Feb 15;(2):CD003144. doi: 10.1002/14651858.CD003144.pub2. Review. — View Citation

Olaison G, Smedh K, Sjödahl R. Natural course of Crohn's disease after ileocolic resection: endoscopically visualised ileal ulcers preceding symptoms. Gut. 1992 Mar;33(3):331-5. — View Citation

Orlando A, Mocciaro F, Renna S, Scimeca D, Rispo A, Lia Scribano M, Testa A, Aratari A, Bossa F, Tambasco R, Angelucci E, Onali S, Cappello M, Fries W, D'Incà R, Martinato M, Castiglione F, Papi C, Annese V, Gionchetti P, Rizzello F, Vernia P, Biancone L, Kohn A, Cottone M. Early post-operative endoscopic recurrence in Crohn's disease patients: data from an Italian Group for the study of inflammatory bowel disease (IG-IBD) study on a large prospective multicenter cohort. J Crohns Colitis. 2014 Oct;8(10):1217-21. doi: 10.1016/j.crohns.2014.02.010. Epub 2014 Mar 11. — View Citation

Peyrin-Biroulet L, Oussalah A, Williet N, Pillot C, Bresler L, Bigard MA. Impact of azathioprine and tumour necrosis factor antagonists on the need for surgery in newly diagnosed Crohn's disease. Gut. 2011 Jul;60(7):930-6. doi: 10.1136/gut.2010.227884. Epub 2011 Jan 12. — View Citation

Rutgeerts P, Geboes K, Vantrappen G, Beyls J, Kerremans R, Hiele M. Predictability of the postoperative course of Crohn's disease. Gastroenterology. 1990 Oct;99(4):956-63. — View Citation

Rutgeerts P. Strategies in the prevention of post-operative recurrence in Crohn's disease. Best Pract Res Clin Gastroenterol. 2003 Feb;17(1):63-73. Review. — View Citation

Rutgeerts PJ. From aphthous ulcer to full-blown Crohn's disease. Dig Dis. 2011;29(2):211-4. doi: 10.1159/000323922. Epub 2011 Jul 5. — View Citation

* Note: There are 21 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Endoscopic recurrence based on Rutgeert scoring at the time of colonoscopy Endoscopic recurrence is define as a Rutgeert score >2 at the time of colonoscopy The score is attributed directly, by selecting the appropriate degree - 5 degrees, from i0 (lowest) to i4 highest, with single-choice selection menu. Rutgeerts score is only be used for evaluation of post-surgical recurrences at ileocolic anastomosis level. 6 months
Secondary Clinical Recurrence - Crohn's Disease Activity Index (CDAI) Clinical Recurrence is defined as an increase in CDAI >100 or CDAI >150
This tool used to quantify the symptoms of patients with Crohn's disease in order to define response or remission of disease. Remission of Crohn's disease is defined as CDAI below 150. Severe disease was defined as a value of greater than 450. Most major research studies on medications in Crohn's disease define response as a fall of the CDAI of greater than 70 points. (score ranges form 0 to over 600, the higher the score, the higher the disease state)
6 months, 1 year
Secondary Endoscopic Recurrence - Rutgeert score Endoscopic recurrence is define as a score >2 at the time of colonoscopy The score is attributed directly, by selecting the appropriate degree - 5 degrees, from i0 (lowest) to i4 highest, with single-choice selection menu. Rutgeerts score is only be used for evaluation of post-surgical recurrences at ileocolic anastomosis level. 1 year
Secondary Surgical Recurrence Surgical recurrence is define as need for repeat ileocolic resection due to recurrence at anastomotic site 1 and 5 years
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