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Thromboprophylaxis and Bariatric Surgery

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. Identifier: NCT00444652
Recruitment Status : Unknown
Verified June 2012 by University Hospital, Strasbourg, France.
Recruitment status was:  Recruiting
First Posted : March 8, 2007
Last Update Posted : July 2, 2012
French State
Information provided by (Responsible Party):
University Hospital, Strasbourg, France

Brief Summary:

This trial is an assessment of the efficacy of three thromboprophylaxis regimens in two types of bariatric surgery.

- gastric banding and gastric bypass on anti-Xa activity levels

The study includes two groups of 150 patients scheduled for gastric banding or gastric bypass.

Assessment of anti-Xa levels before and 4 hours after the injections from day 0 to 2 in order to determine the best prophylactic regimen allowing expected values ranged between 0.3 and 0.5 IU / ml.

Condition or disease Intervention/treatment Phase
Thromboembolism Drug: Enoxaparin Phase 4

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 300 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Prevention
Official Title: Thromboprophylaxis During Bariatric Surgery
Study Start Date : November 2006
Estimated Primary Completion Date : November 2012
Estimated Study Completion Date : December 2012

Resource links provided by the National Library of Medicine

Intervention Details:
  • Drug: Enoxaparin
    injection of enoxaparin a few time

Primary Outcome Measures :
  1. Anti-Xa activity level measured 4 hours before and after enoxaparin injection at different doses [ Time Frame: 48 heures ]

Secondary Outcome Measures :
  1. Microparticles [ Time Frame: day 0, 1, 9,30 ]
  2. Thrombotic events until D30 [ Time Frame: day 30 ]
  3. Bleeding events [ Time Frame: day 30 ]

Information from the National Library of Medicine

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, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years to 60 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • BMI over 40
  • Gastric banding or gastric bypass

Exclusion Criteria:

  • Renal insufficiency
  • Thrombopenia
  • Long term anticoagulant treatment
  • Pregnancy
  • Allergy to heparin

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 identifier (NCT number): NCT00444652

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Contact: Annick Steib, MD 33

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Clinique de l'Orangerie Recruiting
Strasbourg, Alsace, France
Contact: Bernard Vailly, MD    33 388567300   
Sub-Investigator: Philippe Plobner, MD         
Principal Investigator: Bernard Vailly, MD         
Département d'Anesthésiologie Hôpital Civil Recruiting
Strasbourg, Alsace, France
Contact: Martine Figier, MD    33 388117354   
Sub-Investigator: Martine Figier, MD         
Laboratoire d'hémostase Hôpital de Hautepierre Recruiting
Strasbourg, Alsace, France
Contact: Lelia Grunebaum, MD    3 3388127528   
Sub-Investigator: Lelia Grunebaum, MD         
Service de Chirurgie Digestive Hopital de Hautepierre Recruiting
Strasbourg, Alsace, France
Contact: Serge Rohr, MD    33 388127223   
Sub-Investigator: Elisabeth Ackermann, MD         
Principal Investigator: Serge Rohr, MD         
Service de Chirurgie Générale et Endocrinienne Hôpital Civil Recruiting
Strasbourg, Alsace, France
Contact: Michel Vix, MD    33 388116883   
Principal Investigator: Michel Vix, MD         
Sub-Investigator: Jacques Marescaux, MD         
Département d'Anesthésiologie Hôpital de Brabois Recruiting
Nancy, Lorraine, France
Contact: Etienne Junke, MD    33 612163929   
Principal Investigator: Etienne Junke, MD         
Sub-Investigator: Claude Meistelman, MD         
Laboratoire d'Hémostase Hôpital de Brabois Recruiting
Nancy, Lorraine, France
Contact: Thomas Lecompte, MD    33 383851015   
Sub-Investigator: Thomas Lecompte, MD         
Service de Chirurgie Digestive Hôpital de Brabois Recruiting
Nancy, Lorraine, France
Contact: Laurent Brunaud, MD    33 3 83858585   
Principal Investigator: Laurent Brunaud, MD         
Service de chirurgie générale et digestive,Hôpital Hôtel Dieu Recruiting
Nantes, France
Contact: karim Asehnoune, MD    00 332   
Principal Investigator: Karim Asehnoune, MD         
Sub-Investigator: Bertrand Rozec, MD         
Sub-Investigator: Eric Letessier, MD         
Sub-Investigator: Salvatore Avalonne, MD         
Centre investigation Clinique Hôpital Civil Recruiting
Strasbourg, France
Contact: Pascal Bousquet, MD    33 3881176768   
Principal Investigator: Pascal Bousquet, MD         
Sub-Investigator: Brandt Christian, MD         
Sub-Investigator: Dominique Charneau, MD         
Sponsors and Collaborators
University Hospital, Strasbourg, France
French State
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Study Director: Annick Steib, MD Hôpitaux Universitaire de Strasbourg

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Responsible Party: University Hospital, Strasbourg, France Identifier: NCT00444652    
Other Study ID Numbers: 3779
First Posted: March 8, 2007    Key Record Dates
Last Update Posted: July 2, 2012
Last Verified: June 2012
Keywords provided by University Hospital, Strasbourg, France:
Bariatric surgery
prevention of venous thromboembolism in bariatric surgery
Additional relevant MeSH terms:
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Embolism and Thrombosis
Vascular Diseases
Cardiovascular Diseases