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Clinical Trial Summary

RATIONALE: Studying samples of tissue from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer.

PURPOSE: This laboratory study is looking at DNA in tissue samples from patients with head and neck cancer.


Clinical Trial Description

OBJECTIVES:

- Assess common genetic mutations in tumor and germline DNA samples from patients with head and neck squamous cell carcinoma (HNSCC).

- Search for viral DNAs and relate this information to demographics, tumor characteristics, and patient prognosis.

- Search for novel viral sequences and cancer-associated gene mutations in young nonsmoking HNSCC patients and in other distinct head and neck cancers.

- Determine tumor suppressor gene mutations in HNSCC patients and relate this information to gene expression data.

- Validate gene expression information using independent techniques such as real-time PCR on expressed sequences and immunohistochemistry.

OUTLINE: Genetic mutation analysis and gene expression studies are performed on tissue samples from patients with head and neck squamous cell carcinoma. Techniques used include real time-PCR and immunohistochemistry. ;


Study Design

Observational Model: Case-Only, Time Perspective: Prospective


Related Conditions & MeSH terms


NCT number NCT00898664
Study type Observational
Source Vanderbilt-Ingram Cancer Center
Contact
Status Completed
Phase N/A
Start date June 2006
Completion date April 2008

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