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Diverticulosis

EndoFLIP Use in Upper GI Tract Stenosis

The purpose of this study is to investigate the use of a functional luminal imaging probe to characterize benign esophageal luminal strictures before and after dilation and identify predictors of response to therapy. Patients will be evaluated during endoscopy using functional luminal imaging (EndoFLIP; Crospon Medical Devices, Galway, Ireland) to characterize the geometry of benign luminal esophageal narrowing before and after dilation.

  • This is a observational study. i
  • This study is enrolling both males and females.
  • This study is enrolling patients with age between 18 years to 80 years .
  • This study is enrolling patients with any of the following conditions:
  • Esophageal Stricture
  • Eosinophilic Esophagitis
  • Zenkers Diverticulum
  • Schatzki Ring

What is the study measuring?

Collection of Measurements of the Luminal Narrowing Using EndoFlip

Who can participate in the study?

Inclusion Criteria:
- > or = to 18 years of age - Referred for evaluation and treatment of benign esophageal luminal narrowing - Clinical diagnosis of benign esophageal luminal narrowing with documentation and imaging - Adult patients with benign refractory esophageal strictures referred for placement of an esophageal stent are eligible for this study - Willing and able to give informed consent - No condition or comorbidity which would prevent the patient from undergoing a successful upper endoscopy
Exclusion Criteria:

- < 18 years of age - Pregnancy - History of prior endoscopic dilation* (*unless referred for placement of stent) - Coagulopathy - Inability to traverse the stricture using standard techniques - Patients unable to provide consent

Other Information

Sponsors:

University of Pennsylvania

Detailed Description:

To date there is no effective way to objectively characterize and predict response to endoscopic dilation of luminal strictures of the GI tract. Endoscopic dilation allows effective remediation of benign esophageal and upper GI tract strictures. Stricture dilation is performed after the stricture diameter is crudely gauged by the endoscopist. Stricture characteristics are based on the severity of symptoms and appearance. A stricture may be graded as mild, moderate, severe and as to whether or not the endoscope is able to traverse the luminal narrowing. By precisely measuring the diameter and length of a stricture, the endoscopist can know exactly what type of dilation is necessary. Benign esophageal strictures may also be refractory to dilation and thus require multiple sessions, prior to achieving successful remediation. The purpose of this study is to investigate the use of a functional luminal imaging probe to characterize benign esophageal luminal strictures before and after dilation and identify predictors of response to therapy. Patients will be evaluated during endoscopy using functional luminal imaging (EndoFLIP; Crospon Medical Devices, Galway, Ireland) to characterize the geometry of benign luminal esophageal narrowing before and after dilation. The study will include patients with strictures referred for endoscopic dilation for the following indications: radiation induced strictures, peptic strictures, RFA induced strictures, EMR induced strictures, eosinophilic esophagitis, Zenkers diverticulum, and strictures related to surgical anastomoses. In patients with benign refractory esophageal strictures referred for endoluminal prostheses EndoFLIP will be used to characterize the stricture prior to stent placement.

Start Date:

Dec 31, 2014

Estimated Completion Date:

Dec 31, 2019

Contact Locations

University of Pennsylvania
Philadelphia
Pennsylvania
United States
19104
Tel: (215) 349-8556
Email: carly.price@uphs.upenn.edu
Status: Recruiting
University of Pennsylvania
Philadelphia
Pennsylvania
United States
19104
Tel: 215-349-8546
Email: demarshm@mail.med.upenn.edu
Status: Recruiting

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