Objective
This project will design new polymeric-natural product anticancer agents. Instituto Biomar has identified pyridoacridine alkaloids and 1 ,5-diazaanthraquinones as promising novel anticancer compounds of high potency, but both display problems in vivo; in particular poor solubility and high toxicity . N-(2-Hydroxypropyl)methacrylamide (HPMA) copolymer conjugates will be synthesized to improve tumor targeting and increase water solubility. Prof. Duncan's group has experience in the design of polymer therapeutics for tumour specific delivery, and an HPMA copolymer conjugate (PK1) arising from her work is in Phase II of clinical trials. This project wilI have several phases:
i) synthesis of pyridoacridine and 1,5-diazaanthraquinone derivatives containing an aliphatic amine group for polymer conjugation (collaboration with Biomar - some derivatives are already available)
ii) synthesis and characterization of a library of polymer-drug conjugates (using HPMA copolymers) with tri- and tetrapeptide spacers
iii) evaluation of the rate of drug liberation during incubation with isolated lysosomal enzymes in vitro iv) in vitro cytotoxicity v) in vivo pharmacokinetics and pharmacology. The initial biological results will lead to conjugate optimization and further testing. Most important features are appropriate rate of drug release from the conjugate in vitro by the activating lysosomal enzymes and optimal tumour targeting in vivo (the polymer conjugate must have minimal access to potential sites of toxicity). As a conjugate(s) with optimal therapeutic index emerge more detailed studies will be conducted to determine preclinical toxicity and verify mechanism of action at the cellular level.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences chemical sciences polymer sciences
- medical and health sciences basic medicine pharmacology and pharmacy pharmacokinetics
- natural sciences chemical sciences organic chemistry amines
- natural sciences biological sciences biochemistry biomolecules proteins enzymes
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
CF10 3XF CARDIFF
United Kingdom
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