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Tri Staple Technology Stapler Used in Gastric Bypass

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: December 4, 2009
Last Update Posted: March 14, 2014
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
Medtronic - MITG
The objectives of this clinical trial are to assess in a pilot setting the overall performance and safety of the Endo GIA™ Stapler with Endo GIA™ SULU with Tri-Staple™ Technology when used in a gastric bypass procedure.

Condition Intervention
Sleep Apnea Hypertension Hyperlipidemia Coronary Artery Disease Gastroesophageal Reflux Disease Osteoarthritis Diabetes Device: Tri Staple Technology stapler

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Prospective, Single-center Investigation of the Safety and Performance of the Endo GIA™ Stapler With Endo GIA™ Sulu With Tri-Staple™ Technology in a Gastric Bypass Procedure

Further study details as provided by Medtronic - MITG:

Primary Outcome Measures:
  • Proportion of Patients With an Uneventful Creation of a Functional Staple Line [ Time Frame: Day 0 ]

Secondary Outcome Measures:
  • Incidence of Intra-operative Bleeding Requiring Intervention [ Time Frame: Day 0 and 1 month ]
  • Length of Hospital Stay [ Time Frame: Date of discharge which averages 3 days ]
  • Incidence of Serosal Tearing [ Time Frame: 30 days post op ]

Enrollment: 28
Study Start Date: January 2010
Study Completion Date: March 2011
Primary Completion Date: March 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Tri Staple
This is a single arm study.
Device: Tri Staple Technology stapler
This is a single arm study.


Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 65 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • The patient must be 18-65 years of age.
  • The patient has a BMI of 40-60 kg/m2, or 35-40 kg/m2 with one or more of following comorbidities: sleep apnea, hypertension, hyperlipidemia, coronary artery disease, gastro esophageal reflux disease, osteoarthritis, and diabetes and eligible for gastric bypass.
  • The patient must be willing and able to participate in the study procedures and able to understand and sign the informed consent.

Exclusion Criteria:

  • The procedure is needed as revision bariatric surgery or the patient has had prior gastric surgery (nissen fundoplication, hiatal hernia, etc)
  • The patient is pregnant.
  • The patient has an active or history of, infection at the operative site.
  • The patient is unable or unwilling to comply with the study requirements, follow-up schedule, or to give valid informed consent.
  • Patient has an abdominal ventral hernia requiring mesh repair
  • The patient has a history of clinically significant liver disease
  • The patient has a history of drug or alcohol abuse within 2 years of enrollment
  • The patient has a history of venous thrombosis or pulmonary embolism
  • The patient has a history of coagulopathy
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01026103

United States, Indiana
Clarian Bariatric Center/Indiana University
Indianapolis, Indiana, United States, 46202
Sponsors and Collaborators
Medtronic - MITG
Principal Investigator: Samer G Mattar, MD Indiana University
  More Information

Responsible Party: Medtronic - MITG
ClinicalTrials.gov Identifier: NCT01026103     History of Changes
Other Study ID Numbers: AS09004
First Submitted: December 3, 2009
First Posted: December 4, 2009
Results First Submitted: January 29, 2014
Results First Posted: March 14, 2014
Last Update Posted: March 14, 2014
Last Verified: January 2014

Keywords provided by Medtronic - MITG:
gastric bypass
Gastric bypass surgery

Additional relevant MeSH terms:
Coronary Artery Disease
Myocardial Ischemia
Coronary Disease
Gastroesophageal Reflux
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases
Heart Diseases
Cardiovascular Diseases
Arterial Occlusive Diseases
Vascular Diseases
Esophageal Motility Disorders
Deglutition Disorders
Esophageal Diseases
Gastrointestinal Diseases
Digestive System Diseases
Lipid Metabolism Disorders
Metabolic Diseases