Evaluation of the Safety and Effectiveness of Stomaphyx for Transoral Incisionless Reduction of the Enlarged Gastric Pouch and Stoma

NCT ID: NCT01025076

Last Updated: 2017-03-10

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

14 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-02-28

Study Completion Date

2012-05-31

Brief Summary

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Executive Summary

Aims and Hypotheses of the Study:

The aim of the study will be to evaluate the safety, effectiveness and early outcome of the StomaphyX procedure for reducing the enlarged gastric pouch and stoma in post-bariatric patients. The study will test a hypothesis that the StomaphyX procedure will be effective in promoting the loss of regained weight, reducing the risk for comorbidities and improving patients' quality of life.

Type of Study: Prospective non-randomized Study Duration: 12 months Number of Patients: 20

Inclusion Criteria:

18-70 years of age, BMI ≥ 35, ≥ 2 years after primary Roux-en-Y gastric bypass with evidence of enlarged gastric pouch volume or enlarged stoma diameter of ≥ 20 mm via endoscopy or fluoroscopy. Pts also demonstrate a weight regain of 15% of excess body weight loss.

Exclusion Criteria:

Esophageal stricture, or any anatomic conditions that preclude passage of transoral endoluminal instruments, has another causal factor for weight regain other than stoma or pouch dilatation, portal hypertension, coagulation disorders or chronic use of anticoagulants, any active medical condition that would preclude the patient from completing the study or would result in an unreasonable risk to the patient.

Intervention Treatment: Creation of multiple full-thickness plications within the gastric pouch using the StomaphyX device (EndoGastric Solutions, Inc., Redmond, WA, USA)

Evaluation Criteria Primary Outcome: Change in body weight at 6 and 12 months Secondary Outcome: Gastric pouch volume assessment, stoma diameter determination, quality of life scores, waist circumference, co-morbidity resolution Effectiveness and Safety Assessment Clinical: Weight, height, waist circumference quality of life questionnaires (Impact of Weight QOL-Lite, Eating and Weight Patterns, Three-factor Eating, Emotional Eating Scale, GI QoL, GSRS and/or PGWB) Anatomical: Upper GI endoscopy, computed tomography or barium radiography Biochemical: Blood and urine tests (glucose, cholesterol, triglyceride, HDL, LDL, uric acid) Safety: Adverse events, complications, co-morbidities, hospital stay

Detailed Description

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Conditions

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Morbid Obesity

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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StomaphyX Group

* Primary Roux-en-Y gastric bypass with evidence of enlarged gastric pouch volume or enlarged stoma diameter of ≥ 20 mm via endoscopy or fluoroscopy.
* Patients also demonstrate a weight regain of 15% of excess body weight loss.

Group Type EXPERIMENTAL

StomaphyX

Intervention Type DEVICE

StomaphyX with SerosaFuse fasteners (EndoGastric Solutions, Inc., Redmond, WA, USA) is a transoral incisionless fastening device that allows for GI tissue approximation and creation of full-thickness (serosa-to-serosa) plications.

Interventions

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StomaphyX

StomaphyX with SerosaFuse fasteners (EndoGastric Solutions, Inc., Redmond, WA, USA) is a transoral incisionless fastening device that allows for GI tissue approximation and creation of full-thickness (serosa-to-serosa) plications.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Age 18-70 years
* BMI 35 or greater with one or more comorbidities
* At least 2 years post-Roux-en-Y gastric bypass surgery
* At enrollment, has regained at least 15% of excess body weight loss
* Enlarged Stoma Diameter
* Enlarged gastric pouch
* Completed successful nutritional screening and compliant with nutritional programs
* Completed successful cardiopulmonary evaluation
* Patient willing to cooperate with follow-up assessment tests
* Signed informed consent

Exclusion Criteria

* Esophageal stricture or any anatomic conditions that preclude passage of transoral endoluminal instruments
* Has another causal factor for weight regain other than stoma or pouch dilatation such as non compliant with nutritional and exercise programs
* Portal hypertension
* Coagulation disorders or chronic use of anticoagulants
* Any active medical condition that would preclude the patient from completing the study or would result in an unreasonable risk to the patient
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Alberta Health services

OTHER

Sponsor Role collaborator

University of Alberta

OTHER

Sponsor Role lead

Responsible Party

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Shahzeer Karmali

BSc, MD, FRCSC

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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CAMIS, Royal Alexandra Hospital

Edmonton, Alberta, Canada

Site Status

Countries

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Canada

References

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Other Identifiers

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Pro00008913

Identifier Type: -

Identifier Source: org_study_id

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