Status:

UNKNOWN

Evaluation of Nexpowder Application to Prevent Delayed Bleeding After Colorectal Endoscopic Mucosal Resection

Lead Sponsor:

Gabriel RAHMI

Conditions:

Colorectal Cancer

Eligibility:

All Genders

18-90 years

Phase:

NA

Brief Summary

Delayed bleeding is the most frequent (5 to 15%) and challenging complication after large colorectal polypectomy. Different preventive treatments, such as the prophylactic use of clips, have been trie...

Eligibility Criteria

Inclusion

  • More than 18 years old
  • Indication of EMR for a superficial nonpedunculated colorectal lesion
  • Higher risk of bleeding (score GSEED RE2 ≥ 7\*)
  • \*Score GSEED RE2 (Albeniz et al GIE 2020):
  • Proximal location (cecum to transverse included) : 3 points
  • Antiplatelets or anticoagulation use: 3 points
  • Lesion size ≥ 40 mm: 1 point
  • ASA III-IV or major comorbidity: 1 point

Exclusion

  • Patients susceptible to allergic reactions to certain substances in Nexpowder
  • More than one colorectal lesion
  • Suspicion of invasive cancer (Kudo V, Sano IIIb, Connect III), macronodular more than 1 cm, depressed area (Paris IIc)
  • Pedunculated polyps (Ip from Paris classification) or ulcerated polyps (III)
  • Recurrent or residual lesion after endoscopic or surgical resection
  • Poor bowel preparation quality (Boston score \< 6)
  • Inflammatory bowel disease (IBD)
  • Patients with a platelet count of 50,000/mm3 or less
  • Patients with acquired (non-medicated) or inherited bleeding disorders
  • Patients with advanced cancer or inflammatory bowel disease, including ulcerative colitis (with colonic involvement)
  • Contraindication to general anesthesia
  • Women who are pregnant or who wish to become pregnant during the study or women who are breastfeeding.
  • Children, immunocompromised persons and persons over 90 years of age
  • Patients already participating or scheduled to participate in other clinical trials
  • Lesion previously resected by endoscopy
  • Patient with an initial metastatic lesion before colonoscopy
  • Patient unable to give personal consent
  • Lack of signed informed consent

Key Trial Info

Start Date :

July 1 2022

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

August 1 2024

Estimated Enrollment :

304 Patients enrolled

Trial Details

Trial ID

NCT05247515

Start Date

July 1 2022

End Date

August 1 2024

Last Update

February 21 2022

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Hopital Européen Georges Pompidou, 20 Rue Leblanc

Paris, France, 75015