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MDA D-Dimer / Recurrent DVT Study

Not Applicable
Completed
Conditions
Deep Vein Thrombosis
Registration Number
NCT00157599
Lead Sponsor
McMaster University
Brief Summary

To determine whether treatment and further investigation can be safely withheld in patients who present with suspected recurrent deep vein thrombosis (DVT) and have either a (i) negative D-Dimer or (ii) a positive D-Dimer with normal serial compression ultrasound.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
500
Inclusion Criteria
  • Age 18 or older
  • Currently suspected for recurrent DVT
  • Has a prior history of objectively documented DVT or PE
Exclusion Criteria
  • Comorbid condition limiting survival to less than 3 months
  • History of hypersensitivity to contrast medium
  • Renal dysfunction with a creatinine of > 150 mcmol/L
  • Treatment with full-dose therapeutic unfractionated or low molecular weight heparin that was initiated 24 hours or more prior to eligibility assessment
  • Pregnancy or lactation
  • Symptomatic for pulmonary embolism
  • Absence of symptoms within five days prior to presentation
  • Participation in another trial precluding the use of the diagnostic algorithm in this study
  • Geographically inaccessible for follow-up
  • Compression ultrasound, venogram, IPG, or D-dimer performed PRIOR to assessment

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Primary Outcome Measures
NameTimeMethod
Suspected DVT during follow-up
Suspected PE during follow-up
Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (6)

Hamilton General Hospital

🇨🇦

Hamilton, Ontario, Canada

McMaster University Medical Centre

🇨🇦

Hamilton, Ontario, Canada

Henderson Research Centre

🇨🇦

Hamilton, Ontario, Canada

St. Joseph's Hospital

🇨🇦

Hamilton, Ontario, Canada

Sir Mortimer B. Davis Jewish General

🇨🇦

Montreal, Quebec, Canada

Academic Medical Centre

🇳🇱

Amsterdam, Netherlands

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