Pharmaceutical formulations comprising labdanes for the...

A - Human Necessities – 61 – K

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Details

A61K 9/127 (2006.01) A61K 31/045 (2006.01) A61K 31/047 (2006.01) A61K 31/222 (2006.01) A61K 31/352 (2006.01) A61P 35/00 (2006.01)

Patent

CA 2390553

The present invention relates to novel compositions based on hydrated lipidic lamellar phases or liposomal compositions, prepared by combining different lipid molecules, synthetic and/or from natural sources, said compositions comprising at least one of a) labd-13-ene-8.alpha., 15-diol and/or derivatives thereof; b) labd-14-ene-8, 13-diol or derivatives thereof; c) 3.beta.-hydroxy- labd-14-ene-8, 13-epoxy and/or derivatives thereof; d) a plant extract containing the aforementioned labdenes or derivatives thereof. The compositions of the invention exhibit cytotoxicity against cancerous cells and are utilized for the treatment of tumors and leukemias.

L'invention concerne des compositions nouvelles à base de phases lamellaires lipidiques hydratées ou de compositions contenant des liposomes, que l'on prépare en combinant différentes molécules lipidiques, de synthèse et/ou d'autres sources naturelles, et qui contiennent au moins l'un des composés suivants: a) labd-13-ène-8.alpha., 15-diol et/ou des dérivés de celui-ci; b) labd-14-ène-8, 13-diol ou des dérivés de celui-ci; c) 3.beta.-hydroxy-labd-14-ène-8, 13-époxy et/ou des dérivés de celui-ci, d) un extrait de plante contenant les labdènes ou dérivés de ceux-ci, ci-dessus mentionnés. Les compositions de l'invention sont cytotoxiques à l'égard des cellules cancéreuses et sont utilisées dans le traitement de tumeurs et de leucémies.

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