Breast Cancer Clinical Trial
Official title:
Interest of the Dosage of CA 15-3 in CSF for Diagnosing Carcinomatous Meningitis in Breast Cancer
RATIONALE: Studying samples of cerebrospinal fluid from patients with cancer or meningeal
syndrome may help doctors identify biomarkers related to cancer.
PURPOSE: This clinical trial is studying cerebrospinal fluid samples in diagnosing
carcinomatous meningitis in patients with cancer or meningeal syndrome.
OBJECTIVES:
Primary
- Evaluate the validity of determining CA 15-3 levels in the cerebrospinal fluid (CSF)
using automated immuno-enzymatic methods.
Secondary
- Determine the sensitivity and specificity of these assays in assessing CA 15-3 in CSF.
- Assess favorability of intrathecal production of CA 15-3.
- Determine threshold interpretations of CA 15-3 levels in CSF.
OUTLINE: This is a multicenter study.
Within 15 days of suspected meningeal involvement, blood and cerebrospinal fluid samples are
collected. Samples are examined by immunoenzyme assays. Patients with suspected cases of
carcinomatous meningitis undergo cerebrospinal MRI.
;
Masking: Open Label, Primary Purpose: Diagnostic
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