Columbia Technology Ventures

Ferroptosis inducers as radiosensitizers for improved cancer treatment

This technology is a method for inducing non-apoptotic death of cancer cells in a regulated manner for more efficacious radiation therapy.

Unmet Need: Targeted and effective radiation therapy against cancer

Radiosensitizers are small-molecule agents used to render tumor cells more sensitive to radiation therapy. However, tumors may acquire resistance to radiation, often through activation of DNA repair and inhibition of apoptosis. This creates a need for radiosensitizers that enhance the tumor’s response to radiation through non-apoptotic mechanisms of cell death.

The Technology: Enhanced radiation therapy through activation of ferroptosis

This technology employs small-molecule inducers of ferroptosis as radiosensitizing agents. Ferroptosis is a regulated, non-apoptotic form of cell death that contributes to radiation-induced cancer cell death. In view of this, the described compounds synergize with radiation to induce ferroptosis in several cancer types, leading to enhanced antitumor effects. In addition, this technology describes a method for identifying whether a cancer patient is resistant to radiotherapy and treating the patient with therapeutic amounts of a ferroptosis inducer. Thus, this technology has the potential to improve the efficacy of radiation therapy for a broad range of indications.

This technology has been validated in a mouse xenograft model, as well as in human patient-derived models of lung adenocarcinoma and glioma.

Applications:

  • Radiosensitizers for cancer treatment
  • Radiosensitizers for preclinical research experiments
  • Identifying and treating cancer patients resistant to radiotherapy

Advantages:

  • Synergizes with radiation
  • Enhances the antitumor effects of radiation therapy
  • Mechanism is independent of DNA damage or caspase activation

Lead Inventor:

Brent R. Stockwell, Ph.D.

Patent Information:

Patent Status

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