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ClinicalTrials.gov ID

NCT01065324

Lead Sponsor

National Taiwan University HospitalOTHER

Overall Status

Unknown status

Study Type

Observational

Enrollment

200Estimated

Last Update Posted

Feb 9, 2010Estimated

Start Date

Feb 2010

Completion Date

Dec 2012Estimated

Official Title

Intestinal Barrier Permeability Defects, Recovery, and Risk of Bacterial Translocation Induced After Deep Intestinal Manipulation by Balloon-assisted Enteroscopy: From Basic to Clinical Research

Brief Summary

1. Balloon-assisted enteroscopy (BAE) is a new tool to investigate small intestinal diseases.
2. Deep enteroscopy made possible by balloon expansion and manipulation of small intestines.
3. However, whether intestinal barrier injured during BAE predispose patients to bacteremia or clinical relevant infection is not studied.
4. We will also examine relevant patient factors.

Detailed Description

The newly developed balloon-assisted enteroscopy systems allow insertion of the enteroscopy deeply into the small intestines by fixation of the soft, redundant small intestines with an inflatable balloon over the tip of the overtube. However, the inflation of balloon might stimulate the intestinal mucosa, and the deep manipulation of intestinal segments might also compromise the intestinal barrier function. According to our preliminary experience of balloon-assisted enteroscopy (which is among the first groups in Taiwan), we experienced a significant case of suspected post-procedural bactermia patient. Besides, there is also a published case report from the UK reporting Streptococcus milleri bacteremia which is suspected as bacterial translocation after balloon-assisted enteroscopy. However, currently there is no original study focusing on the intestinal barrier / permeability defects or bacterial translocation. This is a timely and novel research topic in the current developing era of balloon-assisted enteroscopy.

• Enteritis
• Bleeding

Ages Eligible for Study

Adult (18-64)Older Adult (65+)

Sexes Eligible for Study

All

Accepts Healthy Volunteers

Yes

Eligibility Criteria

Inclusion Criteria:

• adult patients with clinical suspicions of small intestinal lesions in need of balloon-assisted enteroscopy examinations
• signed written informed consents

Exclusion Criteria:

• Patients with active infection or receiving systemic (oral or intravenous) antibiotics within recent 3 months (this may decrease effect of bacterial translocation) or taking drugs that may affect renal function within 3 months
• Unstable health condition for balloon-assisted enteroscopy (unstable hemodynamics, severe cardiopulmonary compromise)
• Pregnancy
• known allergy to lactulose, mannitol
• Refuse to sign written informed consent of this study.
• patients would be advised to hold prokinetic agents

Observational Model

Cohort

Time Perspective

Prospective

Lead Sponsor

National Taiwan University HospitalOTHER

johnlee0212@gmail.com