Detection and Quantification of Changes in Levels of Protein Expression and Phosphorylation Status Using Human Hair Samples
Detection and Quantification of Changes in Levels of Protein Expression and Phosphorylation Status Using Human Hair Samples
RATIONALE: Studying samples of hair in the laboratory from patients with cancer may help doctors identify biomarkers related to cancer and predict how well patients will respond to treatment.
PURPOSE: This laboratory study is looking at hair samples from patients with cancer.
OBJECTIVES:
OUTLINE: This is a pilot, multicenter study.
Hair samples are obtained from patients at baseline and at the end of study. The samples are assayed for proteins and phosphorylation status using layered membrane technology. Proteins analyzed may include vascular endothelial growth factor receptor (VEGFR), Erk1/2, Akt, epidermal growth factor receptor (EGFR), and c-KIT.
PROJECTED ACCRUAL: A total of 190 patients will be accrued for this study within 3 years.
DISEASE CHARACTERISTICS:
PATIENT CHARACTERISTICS:
Age
Performance status
Life expectancy
Hematopoietic
Hepatic
Renal
PRIOR CONCURRENT THERAPY:
Biologic therapy
Chemotherapy
Endocrine therapy
Radiotherapy
Surgery