Effects of Vaping on Post-operative Recurrence of Crohn's Disease

Recruiting now

Conditions studied: The Impact of Vaping on Crohn's Disease Endoscopic Recurrence After Resection

In brief

Tobacco smoke is a well-established risk factor for post-operative recurrence of Crohn's disease. Over the last few decades electronic cigarettes have gained popularity as an alternative to traditional tobacco, however, their effects on Crohn's disease are unknown. Tobacco smoke negatively impacts most outcomes of Crohn's disease including, but not limited to, response to therapy and risk of hospitalization. Smoke is particularly relevant in the post-operative setting, as it increases the chance of disease recurrence after surgical resection, and therefore prophylactic treatment with biologics is recommended in Crohn's patients who smoke. At present, there are no studies evaluating the impact of e-cigarette smoke on post-operative recurrence and therefore informing physicians on the appropriateness of prophylactic treatment in this subset of patients. This study aims to assess the impact of vaping (or smoking of electronic cigarettes) on Crohn's disease endoscopic recurrence after resection as compared to non-smoke and smoke of traditional tobacco cigarettes.

Key facts

Study ID

NCT06734780

Run by

IRCCS Ospedale San Raffaele

People needed

600

Starts

2024-11-30

Expected to finish

2025-08-01

Last updated by the study team

2024-12-16

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Adult (age ≥18) patients with an established diagnosis of Crohn's disease.- Patients who underwent surgical resections of a tract of intestine accessible through endoscopy.
• Patients who underwent ileo-colic resections due to Crohn's disease or its complications (stricture or fistula) irrespective of the type of anastomosis (side-to-side L-L, , end-to-end T-T, end-to-side T-L, Kono S, iso or antiperistaltic)
• Patients whose smoking habit (or nonsmoking habit) is clearly reported in the medical records
• Data will be collected from January 2000 to August 2024.

You may not qualify if…

• Patients who underwent surgical operations different from intestinal resections (i.e. stricturoplasty raffias, dilation, bypass etc)
• Patients who underwent Intestinal resections for indications other than Crohn's disease (inflammatory, stricturing or fistulizing) such as: cancer, trauma, etc
• Patients who for any reason did not undergo endoscopic reassessment of the anastomosis within 12 months from surgery
• Unconfirmed diagnosis of Crohn's disease
• Patients whose smoking habits could not be determined
• Patients with mixed smoking habits, defined as smoking at the same time tobacco cigarettes and e-cigarettes or who have changed type of smoking product (from tobacco to vaping or vice versa) after the intestinal resection and before the endoscopic reassessment

Where it is running

• IRCCS San Raffaele — Milan, Michigan, Italy (enrolling)

Full record on ClinicalTrials.gov

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