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Detecting Abnormal Blood Clotting in Patients With Metastatic Cancer Undergoing Surgery

This study has been completed.
Sponsor:
Information provided by:
National Cancer Institute (NCI)
ClinicalTrials.gov Identifier:
NCT00096590
First received: November 11, 2004
Last updated: May 9, 2009
Last verified: June 2007

November 11, 2004
May 9, 2009
November 2004
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Incidence of hypercoagulability [ Designated as safety issue: No ]
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Complete list of historical versions of study NCT00096590 on ClinicalTrials.gov Archive Site
Comparison of the results of whole blood thrombin generation assay tests in patients who develop venous thromboembolism with those who do not [ Designated as safety issue: No ]
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Detecting Abnormal Blood Clotting in Patients With Metastatic Cancer Undergoing Surgery
Evaluation of a Novel Blood Test Hypercoagulability in Surgical Patients With Metastatic Carcinoma: A Pilot Study

RATIONALE: A test that detects abnormal blood clotting in patients with cancer may help doctors plan cancer surgery.

PURPOSE: This laboratory study is looking at a new blood test to detect abnormal clotting in patients with metastatic cancer undergoing surgery.

OBJECTIVES:

Primary

  • Determine whether whole blood thrombin generation assay (WBTGA) detects hypercoagulability in patients with metastatic carcinoma compared with a healthy control group.
  • Determine whether results of the WBTGA will change as a result of major surgery performed on patients with metastatic carcinoma.
  • Establish a reference interval for the WBTGA using healthy controls.

Secondary

  • Compare a battery of plasma components known to affect or reflect coagulant or fibrinolytic reactions in patients with metastatic carcinoma vs healthy controls.
  • Establish reference intervals for this battery of tests using healthy controls.
  • Determine how major surgery in cancer patients affects this battery of factors.
  • Identify changes in these factors that correlate with changes in the WBTGA.
  • Compare the results of WBTGA tests in patients who develop venous thromboembolism (VTE) with those who do not.

OUTLINE: This is a pilot study.

Blood samples of patients are collected on day -7 and day 1 after surgery.

Blood samples of healthy controls are collected once.

After collection, blood samples are analyzed for hypercoagulability by whole blood thrombin generation assay. Routine blood tests are performed, as are immunoenzyme techniques for antigenic tissue plasminogen activator and its inhibitor, thrombin-antithrombin complexes, tissue factor, factor VIIa, D-dimer, and glycocalicin.

PROJECTED ACCRUAL: A total of 30 patients and 30 healthy controls will be accrued for this study.

Observational
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  • Thromboembolism
  • Unspecified Adult Solid Tumor, Protocol Specific
  • Other: coagulation study
  • Other: immunoenzyme technique
  • Other: laboratory biomarker analysis
  • Other: physiologic testing
  • Procedure: study of high risk factors
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Horne MK 3rd, Merryman PK, Cullinane AM, Nghiem K, Alexander HR. The impact of major surgery on blood coagulation factors and thrombin generation. Am J Hematol. 2007 Sep;82(9):815-20.

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
60
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DISEASE CHARACTERISTICS:

  • Patients meeting the following criteria:

    • Diagnosis of metastatic carcinoma
    • Must be enrolled in 1 of the following surgical protocols:

      • NCI-99-C-0123
      • NCI-00-C-0069
      • NCI-03-C-0085
      • NCI-03-C-0212
  • Healthy control participant* meeting the following criteria:

    • No anemia or thrombocytopenia
    • No history of venous thromboembolism (deep vein thrombosis, pulmonary emboli)
    • No history of coronary artery disease or stroke
    • No chronic inflammatory disease
    • No diabetes mellitus
    • Have not smoked tobacco within the past 6 months NOTE: * Selected on the basis of gender and age to match the patients as they are accrued

PATIENT CHARACTERISTICS:

  • No symptomatic infections or other acute illness within the past 14 days

PRIOR CONCURRENT THERAPY:

  • At least 3 days since prior drugs known to inhibit platelet function
  • At least 7 days since prior acetylsalicylic acid
  • No concurrent estrogen contraceptives or hormone replacement therapy
  • No concurrent anticoagulants
Both
18 Years and older
Yes
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT00096590
CDR0000440092, NCI-05-CC-0033
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National Cancer Institute (NCI)
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Principal Investigator: McDonald K. Horne, MD National Cancer Institute (NCI)
National Cancer Institute (NCI)
June 2007

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP