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Updated: Jul 4, 2026

A Flow Cytometry-Based Cell Surface Protein Binding Assay for Assessing Selectivity and Specificity of an Anticancer Aptamer
Published on: September 13, 2022
[Target selectivity of anticancer drugs]
S I S Fattoruso1, L Di Lauro, F Conti
1Istituto Nazionale Tumori Regina Elena, Roma.
Abstract:
Since the first use of chemotherapy, many efforts were devoted to develop drugs with a specific anticancer activity. Nevertheless, although several approaches to this end were used leading to significant results in cancer treatment, chemotherapy has mainly a palliative effect. The remarkable scientific advances in the knowledge of molecular changes in neoplastic diseases brought to development of new drugs with a specific molecular target. In some cases, this approach against a single molecular target, has been extremely successful, like imatinib in GIST. However, since in most cases tumor growth involves multiple genetic changes, it seems more appropriate to develop multitargeted agents. A successful way to improve target selectivity of anticancer drugs and to better choose patients to treat could be the use phase 0 clinical trials. In the future, the hope is to discover all genetic changes in each cancer patient and to restore the normal function of the cell with the aid of more advanced technologies.
Insights
Developing targeted cancer therapies is crucial. Future strategies focus on multitargeted agents and phase 0 clinical trials for personalized cancer treatment.
Area of Science:
- Oncology
- Pharmacology
- Molecular Biology
Context:
- Chemotherapy, while foundational in cancer treatment, often yields palliative effects rather than cures.
- Advances in understanding cancer genetics have led to targeted therapies with significant success in specific cases (e.g., imatinib for GIST).
- Tumorigenesis typically involves multiple genetic alterations, necessitating novel therapeutic strategies.
Purpose:
- To explore the evolution of anticancer drug development from traditional chemotherapy to molecularly targeted agents.
- To highlight the limitations of single-target therapies and advocate for multitargeted approaches.
- To introduce phase 0 clinical trials as a method for enhancing drug selectivity and patient stratification.
Summary:
- Current anticancer drug development is shifting from broad-spectrum chemotherapy towards agents targeting specific molecular pathways.
- The complexity of cancer, driven by multiple genetic changes, suggests that multitargeted therapies may offer superior efficacy.
- Phase 0 clinical trials represent a promising avenue for improving the precision of anticancer drug selection and patient matching.
Impact:
- This research informs the development of more effective and personalized cancer treatments.
- It emphasizes the need for a deeper understanding of tumor molecular profiles to guide therapeutic decisions.
- The findings support the integration of innovative trial designs like phase 0 studies to accelerate the discovery of optimal cancer therapies.
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