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Project name:

New compounds for efficient and safer cancer treatment available for license and research cooperation agreement

Status: Idea
Creation date: 20-10-2021

Project objectives:

Summary

Researchers at a Slovenian research institute have discovered a new class of compounds for potential use in combinational chemotherapy treatments of cancer. Compounds display promising anticancer activity, along with a promise of an improved safety profile compared to established chemotherapeutics and they can be easily integrated into existing chemotherapy regimens. The partner sought is a pharmaceutical or biotechnological company for license and research cooperation agreement.

 

Description

Slovenian research institute conducts basic and applied research oriented towards the fields of material and life sciences, biotechnology, chemical engineering, structural and theoretical chemistry, analytical chemistry and environmental protection. Several research projects are focused on the development of novel anticancer active ingredients. Researchers on these projects are experts in the field of computational biochemistry, computer-assisted drug design, and preclinical drug development.

Cancer is one of the most widespread diseases and the second leading cause of death, with the World Health Organization (WHO) reporting almost 10 million deaths annually. The human type IIα topoisomerase (“the enzyme” in further text) is a well-known and validated target for compounds used in cancer therapy. These are essential enzymes that regulate the DNA topology and chromosome organization.

Using computer-aided drug design, a new class of compounds suitable for cancer treatment has been identified and validated. These compounds, substituted bithiazoles, act as catalytic inhibitors of the enzyme. Extensive in vitro biochemical evaluations have determined that the mechanism of action differs from the one exerted by clinically used topoisomerase poisons. Bithiazoles bind to the enzyme’s ATPase domain and inhibit the enzyme via an ATP-competitive mechanism. The use of this alternative inhibition results in the absence of DNA damage, more precisely DNA double strand breaks (DSB), that relates to the serious side effects induced by known drugs acting on this target. Selected compounds also display promising cytotoxic activity on multiple cancer cell lines.

The partner sought is a pharmaceutical or biotechnological company. Research cooperation agreement is envisioned for the joint research and development on preclinical in vivo small animal trials and further steps of drug development. Additionally, license agreement will be signed with a partner, that will incorporate the active ingredient (drug substance) into a pharmaceutical form (drug product for cancer treatment) for peroral or intravenous application. End user, i.e. cancer patient, is expected to receive a dose of the pharmaceutical product at a prescribed therapeutic interval – take a pill or receive an intravenous injection.

 

Advantages & innovations

Current enzyme inhibitors - topo II poisons - used in clinical practice, such as doxorubicin and etoposide, can cause severe side effects such as cardiotoxicity and induction of secondary malignancies. This is attributed to the induction of permanent double strand breaks (DSB) in the DNA molecule. Additionally, emerging resistance to existing chemotherapeutics further fuels the need to develop new anticancer drugs. The novel compounds, substituted bithiazoles, showed no induction of permanent DSBs due to a different enzyme inhibition mechanism, i.e. binding to a different site on the enzyme. Thus, discovered compounds present a novel possibility for potential active ingredients for safer treatment of different types of cancer. At the in vitro level investigated compounds showed comparable inhibition of human topoisomerase IIα as etoposide. Additionally, they showed promising cytotoxic properties on hepatoma and breast cancer cell lines. Main advantages of the present technology: - Novel chemotherapeutics with comparable anticancer activity to existing treatments - Compounds with a promise of an improved safety profile in chemotherapy due to changes in the mechanism of action - Easy to integrate into existing chemotherapy regimens

 

Stage of development

Prototype available for demonstration

Contact/ source: Enterprise Europe Network (europa.eu)

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