The Swiss Venous Thromboembolism Cohort 65+ (SWITCO65+)

The recruitment status of this study is unknown because the information has not been verified recently.
Verified April 2012 by University of Lausanne Hospitals.
Recruitment status was  Active, not recruiting
Information provided by (Responsible Party):
Drahomir Aujesky, University of Bern Identifier:
First received: September 8, 2009
Last updated: April 14, 2012
Last verified: April 2012

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

Resource links provided by NLM:

Further study details as provided by University of Lausanne Hospitals:

Primary Outcome Measures:
  • Venous thromboembolism recurrence [ Time Frame: 3-48 months ] [ Designated as safety issue: Yes ]

Secondary Outcome Measures:
  • Overall mortality [ Time Frame: 3-48 months ] [ Designated as safety issue: Yes ]
  • Major bleeding [ Time Frame: 3-48 months ] [ Designated as safety issue: Yes ]
  • Post-thrombotic syndrome [ Time Frame: 3-48 months ] [ Designated as safety issue: No ]
  • Generic and disease-specific health-related quality of life [ Time Frame: 3-48 months ] [ Designated as safety issue: No ]
  • Medical resource utilization [ Time Frame: 3-48 months ] [ Designated as safety issue: No ]

Enrollment: 1003
Study Start Date: September 2009

Ages Eligible for Study:   65 Years and older
Genders Eligible for Study:   Both
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

No publications provided

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: April 14, 2012
Health Authority: Switzerland: Ethikkommission

Additional relevant MeSH terms:
Venous Thromboembolism
Venous Thrombosis
Cardiovascular Diseases
Embolism and Thrombosis
Vascular Diseases processed this record on October 23, 2014