Potentiator for radiation therapy comprising pyridine...

A - Human Necessities – 61 – K

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A61K 31/44 (2006.01) A61K 41/00 (2006.01) A61P 35/00 (2006.01)

Patent

CA 2603810

Disclosed is a potentiator for radiation therapy which can be used in combination with cancer radiation therapy to increase the radiation dose and can also reduce adverse side effects of the radiation therapy. A potentiator for radiation therapy comprising, as the active ingredient, a pyridine derivative represented by the general formula (1): (1) wherein R1, R2 and R4 independently represent a hydrogen atom, a hydroxyl group or a protected hydroxyl group, provided that all of R1, R2 and R4 are not a hydrogen atom; R3 represents a halogen atom, an amino group, a carboxyl group, a carbamoyl group, a cyano group, a nitro group, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms or a carbonyl group having an alkoxy group having 1 to 6 carbon atoms.

La présente invention concerne un potentialisateur pour radiothérapie qui peut être utilisé en association avec la radiothérapie anti-cancéreuse pour augmenter la dose de rayonnement et peut également réduire les effets secondaires indésirables de la radiothérapie. Est divulgué un potentialisateur pour radiothérapie comprenant comme principe actif un dérivé de la pyridine représenté par la formule générale (1) : (1) dans laquelle R1, R2 et R4 représentent indépendamment un atome d~hydrogène, un groupe hydroxyle ou un groupe hydroxyle protégé, R1, R2 et R4 n~étant pas tous un atome d~hydrogène ; R3 représente un atome d~halogène, un groupe amino, un groupe carboxyle, un groupe carbamoyle, un groupe cyano, un groupe nitro, un groupe alkyle présentant 1 à 6 atomes de carbone, un groupe alcényle présentant 2 à 6 atomes de carbones ou un groupe carbonyle ayant un groupe alcoxy présentant 1 à 6 atomes de carbone.

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