Predicting Treatment Response in Oesophageal Cancer
Author Information
Author(s): Shimada H, Hoshino T, Okazumi S, Matsubara H, Funami Y, Nabeya Y, Hayashi H, Takeda A, Shiratori T, Uno T, Ito H, Ochiai T
Primary Institution: Chiba University Graduate School of Medicine
Hypothesis
Can the expression of angiogenic factors predict the response to chemoradiotherapy in patients with oesophageal squamous cell carcinoma?
Conclusion
The expression of angiogenic factors, particularly vascular endothelial growth factor, can predict treatment response and prognosis in patients with oesophageal cancer.
Supporting Evidence
- 36 patients (69%) showed a clinical response to treatment.
- VEGF expression was identified as an independent prognostic factor.
- Patients with VEGF-positive tumors had a significantly lower 5-year survival rate.
Takeaway
Doctors can look at certain markers in cancer biopsies to see how well patients might respond to treatment, helping them choose the best care.
Methodology
The study analyzed pre-treatment biopsy specimens for p53, thymidine phosphorylase, and vascular endothelial growth factor expression using immunohistochemistry.
Potential Biases
Potential bias due to the non-randomized nature of the trial and the specific patient selection criteria.
Limitations
The study had a small sample size and was not randomized.
Participant Demographics
The study included 52 patients, 83% male and 17% female, with a mean age of 65 years.
Statistical Information
P-Value
P=0.0147
Confidence Interval
95% CI, 1.190–4.936
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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