Skin Biopsies and DNA Analysis in Patients Receiving Irinotecan or Gemcitabine For Advanced Solid Tumors
Status: COMPLETED
Study type: OBSERVATIONAL
Conditions: Breast Cancer|Colorectal Cancer|Pancreatic Cancer
Interventions: OTHER: biologic sample preservation procedure|OTHER: immunohistochemistry staining method|OTHER: laboratory biomarker analysis|PROCEDURE: biopsy
Sponsor: Barbara Ann Karmanos Cancer Institute
Collaborators: National Cancer Institute (NCI)