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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.
Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms
An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.
An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.
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|Eligible Ages||18 Years - 80 Years|
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
This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.
Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.
Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.
Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.
Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.
The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.
|University of Pennsylvania|
The person who is responsible for the scientific and technical direction of the entire clinical study.
|Michael L Kochman, MDVinay Chandrasekhara, MDGregory G Ginsberg, MD|
|Principal Investigator Affiliation||University of PennsylvaniaUniversity of PennsylvaniaUniversity of Pennsylvania|
Category of organization(s) involved as sponsor (and collaborator) supporting the trial.
The disease, disorder, syndrome, illness, or injury that is being studied.
|Esophageal Stricture, Eosinophilic Esophagitis, Zenkers Diverticulum, Schatzki Ring|
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.
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