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The Swiss Venous Thromboembolism Cohort 65+ (SWITCO65+)

This study has been completed.
Information provided by (Responsible Party):
Drahomir Aujesky, University of Bern Identifier:
First received: September 8, 2009
Last updated: December 1, 2014
Last verified: December 2014
The purpose of this prospective multicenter cohort study is to examine long-term medical outcomes, quality of life, and medical resource utilization in elderly patients (>= 65 years) with acute venous thromboembolism (i.e., acute pulmonary embolism and/or deep vein thrombosis)

Venous Thromboembolism

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Swiss Venous Thromboembolism Cohort Study of Elderly Patients With Acute Venous Thromboembolism

Further study details as provided by University of Lausanne Hospitals:

Primary Outcome Measures:
  • Venous thromboembolism recurrence [ Time Frame: 3-48 months ]

Secondary Outcome Measures:
  • Overall mortality [ Time Frame: 3-48 months ]
  • Major bleeding [ Time Frame: 3-48 months ]
  • Post-thrombotic syndrome [ Time Frame: 3-48 months ]
  • Generic and disease-specific health-related quality of life [ Time Frame: 3-48 months ]
  • Medical resource utilization [ Time Frame: 3-48 months ]

Enrollment: 1003
Study Start Date: September 2009
Study Completion Date: December 2013
Primary Completion Date: March 2012 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   65 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Outpatients and inpatients with acute venous thromboembolism from 9 Swiss university and non-university hospitals

Inclusion Criteria:

  • Objectively confirmed acute pulmonary embolism and/or deep vein thrombosis
  • Age >=65 years

Exclusion Criteria:

  • Thrombosis at a different site than lower limb
  • Catheter-related thrombosis
  • Insufficient spoken language ability in German or French
  • Follow-up not possible (e.g., terminally ill patients)
  • Informed consent not possible (e.g., severe dementia)
  • Prior enrolment in the study
  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: NCT00973596

Kantonsspital Baden
Baden, Switzerland
University Hospital of Basel
Basel, Switzerland
University Hospital of Bern
Bern, Switzerland
Kantonsspital Frauenfeld
Frauenfeld, Switzerland
University Hospital of Geneva
Geneva, Switzerland
University Hospital of Lausanne
Lausanne, Switzerland
Kantonsspital Luzern
Luzern, Switzerland
Kantonsspital St. Gallen
St. Gallen, Switzerland
University Hospital of Zurich
Zurich, Switzerland
Sponsors and Collaborators
University of Lausanne Hospitals
  More Information

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Drahomir Aujesky, Director of the Division of General Internal Medicine, University of Bern Identifier: NCT00973596     History of Changes
Other Study ID Numbers: 33CSCO-122 659/139 470
Study First Received: September 8, 2009
Last Updated: December 1, 2014

Additional relevant MeSH terms:
Venous Thromboembolism
Embolism and Thrombosis
Vascular Diseases
Cardiovascular Diseases processed this record on March 27, 2017