Correlation of positive RT-PCR for tyrosinase in peripheral blood of malignant melanoma patients with clinical stage, survival and other risk factors
2000

Melanoma Blood Test and Survival

Sample size: 212 publication Evidence: high

Author Information

Author(s): Proebstle T M, Jiang W, Högel J, Keilholz U, Weber L, Voit C

Primary Institution: Department of Dermatology, University of Mainz, Mainz, Germany

Hypothesis

The study investigates the correlation between positive RT-PCR for tyrosinase in peripheral blood of malignant melanoma patients and their clinical stage, survival, and other risk factors.

Conclusion

The study found that positive RT-PCR for tyrosinase in melanoma patients is associated with poorer survival outcomes.

Supporting Evidence

  • Positive tyrosinase RT-PCR results were found in 11% of stage I patients and 67% of stage IV patients.
  • Stage III patients with positive RT-PCR had a shorter disease-free interval compared to negative patients.
  • Median overall survival for stage IV patients with positive RT-PCR was 8 months compared to 12 months for negative tests.

Takeaway

Doctors can test blood for a substance called tyrosinase to help understand how serious melanoma is and how long patients might live.

Methodology

The study examined 212 blood samples from melanoma patients, using RT-PCR to detect tyrosinase transcripts.

Participant Demographics

Patients were from all clinical stages of melanoma.

Statistical Information

P-Value

0.0001

Confidence Interval

8.53–45.5

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1054/bjoc.1998.0887

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