Permission to Collect Blood Over Time for Research
| Status: | Completed |
|---|---|
| Conditions: | Colorectal Cancer, Liver Cancer, Cancer, Cancer, Vaccines, Gastrointestinal, Pancreatic Cancer |
| Therapuetic Areas: | Gastroenterology, Immunology / Infectious Diseases, Oncology |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 4/2/2016 |
| Start Date: | August 2008 |
| End Date: | December 2015 |
Predicting DVT Risk in GI Cancer Patients Using Plasma Biomarkers
To determine whether biomarkers assessed in blood samples can be used to detect individuals
at risk for developing blood clots or worsening of their underlying disease. The ultimate
goal of the study is to identify key biomarkers derived from blood that are most
characteristic and informative of individuals who will go on to develop a clotting
complication.
at risk for developing blood clots or worsening of their underlying disease. The ultimate
goal of the study is to identify key biomarkers derived from blood that are most
characteristic and informative of individuals who will go on to develop a clotting
complication.
Inclusion Criteria:
- Male or female, >= 18 years old. There are no ethnic restrictions.
- Active cancers of the GI tract (gastroesophageal, colorectal, or pancreatic-biliary)
that have completed TNM staging by the American Joint Committee on Cancer; stage III
disease if diagnosed within 2 months and all stage IV disease
- Ability to understand and the willingness to sign a written informed consent
document.
- Existing staging CT imaging study
Exclusion Criteria:
- Life expectancy < 6 months
- History of deep vein thrombosis (DVT) or pulmonary embolism (PE)
- Known pregnancy or positive urine pregnancy test in pre-menopausal women
- On anticoagulant therapy (heparin, warfarin, direct thrombin inhibitors)
- No CT imaging studies, or contraindications to undergoing CT imaging
- Existing or anticipated need for a tunneled central venous catheter
- Clinic visitation to Stanford Cancer center for secondary consultation purposes only
- Inability to give informed consent
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