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Tri Staple Technology Stapler Used in Gastric Bypass

This study has been completed.
Information provided by (Responsible Party):
Covidien Identifier:
First received: December 3, 2009
Last updated: January 29, 2014
Last verified: January 2014

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
Coronary Artery Disease
Gastroesophageal Reflux Disease
Device: Tri Staple Technology stapler

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: 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

Resource links provided by NLM:

Further study details as provided by Covidien:

Primary Outcome Measures:
  • Proportion of Patients With an Uneventful Creation of a Functional Staple Line [ Time Frame: Day 0 ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Incidence of Intra-operative Bleeding Requiring Intervention [ Time Frame: Day 0 and 1 month ] [ Designated as safety issue: No ]
  • Length of Hospital Stay [ Time Frame: Date of discharge which averages 3 days ] [ Designated as safety issue: No ]
  • Incidence of Serosal Tearing [ Time Frame: 30 days post op ] [ Designated as safety issue: No ]

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.


Ages Eligible for Study:   18 Years to 65 Years
Genders Eligible for Study:   Both
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
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01026103

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

No publications provided

Responsible Party: Covidien Identifier: NCT01026103     History of Changes
Other Study ID Numbers: AS09004
Study First Received: December 3, 2009
Results First Received: January 29, 2014
Last Updated: January 29, 2014
Health Authority: United States: Institutional Review Board

Keywords provided by Covidien:
gastric bypass
Gastric bypass surgery

Additional relevant MeSH terms:
Coronary Artery Disease
Coronary Disease
Gastroesophageal Reflux
Myocardial Ischemia
Arterial Occlusive Diseases
Cardiovascular Diseases
Deglutition Disorders
Digestive System Diseases
Esophageal Diseases
Esophageal Motility Disorders
Gastrointestinal Diseases
Heart Diseases
Joint Diseases
Lipid Metabolism Disorders
Metabolic Diseases
Musculoskeletal Diseases
Rheumatic Diseases
Vascular Diseases processed this record on November 20, 2014