Detection of drug-sensitizing EGFR exon 19 deletion mutations in salivary gland carcinoma
2008

EGFR mutations in salivary gland carcinoma

Sample size: 25 publication Evidence: moderate

Author Information

Author(s): Dahse R, Kosmehl H

Primary Institution: HELIOS Clinics Erfurt, Institute of Pathology

Hypothesis

EGFR-activating mutations in salivary gland carcinoma might occur, making EGFR a potential molecular target for therapy.

Conclusion

The presence of EGFR-activating mutations in salivary gland carcinomas may identify patients who could benefit from tyrosine kinase inhibitor therapies.

Supporting Evidence

  • Two drug-sensitizing EGFR exon 19 deletion mutations were identified in salivary gland carcinoma.
  • EGFR mutations are known to correlate with better responses to certain cancer therapies.
  • Salivary gland carcinomas have a poor prognosis and limited response to traditional chemotherapies.

Takeaway

Scientists found that some patients with salivary gland cancer have a specific mutation that could help them respond better to certain medicines.

Methodology

DNA was isolated from microdissected tumor areas and screened for common EGFR-activating mutations using allele-specific PCR assays.

Limitations

The study only included a small number of patients and focused on specific mutations.

Participant Demographics

16 males and 9 females with a median age of 61 years.

Statistical Information

Confidence Interval

1.4–27.5%

Digital Object Identifier (DOI)

10.1038/sj.bjc.6604430

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication