Prolactin receptor is a negative prognostic factor in patients with squamous cell carcinoma of the head and neck
2011

Prolactin Receptor and Head and Neck Cancer

Sample size: 89 publication Evidence: moderate

Author Information

Author(s): Bauernhofer T, Pichler M, Wieckowski E, Stanson J, Aigelsreiter A, Griesbacher A, Groselj-Strele A, Linecker A, Samonigg H, Langner C, Whiteside T L

Primary Institution: Medical University of Graz

Hypothesis

Could the prolactin receptor be a potential drug target in squamous cell carcinomas of the head and neck?

Conclusion

High levels of prolactin receptor expression are associated with poorer overall survival in patients with squamous cell carcinoma of the head and neck.

Supporting Evidence

  • 95% of tumors showed immunoreactivity for the prolactin receptor.
  • High prolactin receptor expression was linked to a 3.7 times higher risk of poor overall survival.
  • Patients with high prolactin receptor expression had a 75% recurrence rate compared to 38% in the low expression group.

Takeaway

This study found that a lot of head and neck cancer patients have a protein called the prolactin receptor, and having more of it means they might not live as long.

Methodology

The study evaluated prolactin receptor expression in cancer cell lines and tissue samples from patients, using immunohistochemistry and statistical analysis to correlate expression with clinical outcomes.

Limitations

The study had a relatively small number of patients in the low expression group, which may limit the generalizability of the findings.

Participant Demographics

{"total_patients":89,"male":67,"female":22,"median_age":{"male":56,"female":65}}

Statistical Information

P-Value

0.029

Confidence Interval

95% CI: 1.14–12.01

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/bjc.2011.131

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