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[Clinical application of chemosensitivity testing using radioactive precursors]
Gan to Kagaku Ryoho. Cancer & Chemotherapy
|April 1, 1986
Summary
This study shows that in vitro drug testing can predict patient response to chemotherapy for advanced cancers. The chemosensitivity test accurately indicated clinical outcomes in 78% of cases.
Area of Science:
- Oncology
- Pharmacology
- Biochemistry
Context:
- Advanced malignancies, particularly gastrointestinal cancers, present significant treatment challenges.
- Predicting patient response to chemotherapy is crucial for effective treatment strategies.
Purpose:
- To evaluate the reliability of in vitro drug testing using (3H) incorporation for predicting clinical response in patients with advanced malignancies.
- To compare the efficacy of nine different chemotherapeutic agents against stomach and colorectal cancer cell lines.
Summary:
- In vitro chemosensitivity testing was performed on 46 specimens from patients with advanced gastrointestinal cancers.
- Forty-seven percent of stomach and 67% of colorectal cancer specimens showed in vitro chemosensitivity.
- The in vitro results correlated with clinical responses in 78% of cases, demonstrating a 94% true-negative predictive rate.
Impact:
- This in vitro drug sensitivity assay serves as a reliable indicator for predicting clinical response to specific chemotherapeutic agents in human cancers.
- Findings support the use of personalized medicine approaches in oncology, optimizing treatment selection based on individual tumor chemosensitivity.