Collecting and Analyzing Tissue Samples From Patients Undergoing Surgery for Non-Small Cell Lung Cancer
RATIONALE: Studying samples of tumor tissue from patients with cancer in the laboratory may help doctors learn more about changes that may occur in RNA and identify biomarkers related to cancer.
PURPOSE: This research study is collecting and analyzing tissue samples from patients undergoing surgery for non-small cell lung cancer.
- Develop statistical and computational methods for modeling the relationships between multiple variable protein and RNA expression data and clinical endpoints using both supervised and unsupervised classification and pattern recognition approaches.
- Determine protein and RNA expression fingerprints on completely resected non-small cell lung cancer without prior chemotherapy.
- Correlate protein and RNA expression fingerprints with T-stage and nodal involvement at the time of surgery, and collect outcome data to allow correlation with recurrence (local and/or distant) and survival.
OUTLINE: This is a multicenter study.
Any excess tissues removed from surgery and would otherwise be discarded (tissues not used for diagnosis and/or treatment decision making) are obtained for this study. Tissue are analyzed for molecular features that predict biologic behavior. Quantitation of RNA, gene expression profiles, and protein expression patterns are assessed by matrix-assisted laser desorption/ionization time of flight mass spectroscopy and microarray analysis.
Medical records are reviewed to obtain information about results of tests associated with cancer diagnosis. Further progress in cancer treatment and tumor behavior after surgery are followed via record review.
gene expression analysis, microarray analysis, protein expression analysis, biologic sample preservation procedure, laboratory biomarker analysis, matrix-assisted laser desorption/ionization time of flight mass spectrometry, medical chart review
Dan Rudy Cancer Center at Saint Thomas Hospital
National Cancer Institute (NCI)
Results (where available)
- Source: http://clinicaltrials.gov/show/NCT00897117
- Information obtained from ClinicalTrials.gov on July 15, 2010
Medical and Biotech [MESH] Definitions
Molecular Diagnostic Techniques
MOLECULAR BIOLOGY techniques used in the diagnosis of disease. Included are such techniques as IN SITU HYBRIDIZATION of chromosomes for CYTOGENETIC ANALYSIS; OLIGONUCLEOTIDE ARRAY SEQUENCE ANALYSIS of gene expression patterns in disease states; identification of pathogenic organisms by analysis of species specific DNA sequences; and detection of mutations with POLYMERASE CHAIN REACTION.
The simultaneous analysis, on a microchip, of multiple samples or targets arranged in an array format.
A method of chemical analysis based on the detection of characteristic radionuclides following a nuclear bombardment. It is also known as radioactivity analysis. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Oligonucleotide Array Sequence Analysis
Hybridization of a nucleic acid sample to a very large set of oligonucleotide probes, which are attached to a solid support, to determine sequence or to detect variations in a gene sequence or expression or for gene mapping.
Analysis of PEPTIDES that are generated from the digestion or fragmentation of a protein or mixture of PROTEINS, by ELECTROPHORESIS; CHROMATOGRAPHY; or MASS SPECTROMETRY. The resulting peptide fingerprints are analyzed for a variety of purposes including the identification of the proteins in a sample, GENETIC POLYMORPHISMS, patterns of gene expression, and patterns diagnostic for diseases.
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