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Accuracy of the D-Dimer Assay for the Exclusion of Pulmonary Embolism in a High Risk Oncologic Population

This study has been completed.
Information provided by (Responsible Party):
Memorial Sloan-Kettering Cancer Center Identifier:
First received: February 1, 2008
Last updated: January 6, 2012
Last verified: January 2012

The purpose of this study is to see if a blood test (D-dimer) is as precise as the CT scan for the detection of clots.

A pulmonary embolism is an obstruction of the blood vessels in your lungs usually due to a blood clot that travels to the lungs usually from the leg. Research has shown that the results of a specific blood test (D-dimer) can be used instead of a CT scan to diagnose clots. D-dimer is a valuable diagnostic marker in either detecting the presence of or monitoring the progress of blood clots. D-dimer assays have proven to be a beneficial diagnostic tool in the evaluation of patients with suspected pulmonary embolism (PE).

Condition Intervention
Pulmonary Embolism
Procedure: CT pulmonary angiogram and d-dimer draw

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Accuracy of the D-Dimer Assay for the Exclusion of Pulmonary Embolism in a High Risk Oncologic Population: A Correlation With Ct Pulmonary Angiogram in the Urgent Care Setting

Resource links provided by NLM:

Further study details as provided by Memorial Sloan-Kettering Cancer Center:

Primary Outcome Measures:
  • The negative predictive value of the d-dimer assay relative to CT pulmonary angiogram will be the primary measure of accuracy used for this purpose. [ Time Frame: conclusion of study ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • To estimate the positive predictive value, sensitivity, and specificity of the d-dimer assay relative to CT pulmonary angiogram. [ Time Frame: conclusion of study ] [ Designated as safety issue: No ]
  • To explore the association between the accuracy of the d-dimer assay and clinical symptoms indicating pulmonary embolism. [ Time Frame: conclusion of study ] [ Designated as safety issue: No ]

Enrollment: 213
Study Start Date: May 2005
Study Completion Date: June 2008
Primary Completion Date: June 2008 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
Patients to have a CT pulmonary angiogram for suspected pulmonary embolism will have a d-dimer drawn as is routinely done.
Procedure: CT pulmonary angiogram and d-dimer draw
A CT pulmonary angiogram and a d-dimer drawn within 24 hours.


Ages Eligible for Study:   21 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population

Patients coming to MSKCC Urgent care unit


Inclusion Criteria:

  • All patients evaluated in the urgent care center and determined to need with CT pulmonary angiogram to rule out pulmonary embolism based on signs and symptoms such as dyspnea, pleuritic chest pain, tachycardia, and/or pulse oxygen desaturation will be included.

Exclusion Criteria:

  • Inability to obtain CT pulmonary angiogram secondary to lack of IV access, contrast allergy or lack of consent.
  • CT pulmonary angiogram not done with routine protocol for rule out pulmonary embolism.
  • Less than 21 years of age
  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: NCT00615147

United States, New York
Memorial Sloan-Kettering Cancer Center
New York, New York, United States, 10065
Sponsors and Collaborators
Memorial Sloan-Kettering Cancer Center
  More Information

Additional Information:
No publications provided

Responsible Party: Memorial Sloan-Kettering Cancer Center Identifier: NCT00615147     History of Changes
Other Study ID Numbers: 05-040
Study First Received: February 1, 2008
Last Updated: January 6, 2012
Health Authority: United States: Institutional Review Board

Keywords provided by Memorial Sloan-Kettering Cancer Center:
Any cancer
suspected pulmonary embolism

Additional relevant MeSH terms:
Pulmonary Embolism
Cardiovascular Diseases
Embolism and Thrombosis
Lung Diseases
Respiratory Tract Diseases
Vascular Diseases
Fibrin fragment D
Antifibrinolytic Agents
Fibrin Modulating Agents
Hematologic Agents
Molecular Mechanisms of Pharmacological Action
Pharmacologic Actions
Therapeutic Uses processed this record on November 27, 2014