Synthetic lung surfactant and use thereof

C - Chemistry – Metallurgy – 07 – F

Patent

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Details

C07F 9/40 (2006.01) A61K 31/661 (2006.01) A61K 31/662 (2006.01) A61P 11/00 (2006.01) C07F 9/09 (2006.01)

Patent

CA 2658478

The present invention relates to synthetic lung surfactant compositions that contain one or more of phospholipase-resistant phospho-glycerol derivatives, phospholipase-resistant phospho-choline derivatives, and surface active proteins or peptides, more preferably a combination of at least two or all three of these materials. Novel phospholipase-resistant phospho-glycerol derivatives, phospholipase-resistant phospho-choline derivatives, and surface active peptides are also disclosed herein. Uses of the surfactant compositions of the present invention to treat endogenous surfactant dysfunctional or deficient lung tissue, to prepare synthetic peptides for use in the surfactant compositions, and to deliver therapeutic agents are also disclosed.

La présente invention concerne une composition de tensioactif pulmonaire synthétique qui contient un ou plusieurs dérivés de phosphoglycérol résistants à la phospholipase, des dérivés de phosphocholine résistants à la phospholipase ainsi que des protéines ou peptides actives de surface, de préférence une combinaison de deux ou bien de ces trois composants. L'invention concerne également de nouveaux dérivés de phosphoglycérol résistants à la phospholipase, de phosphocholine résistants à la phospholipase ainsi que de nouveaux peptides actifs de surface. La présente invention concerne également l'utilisation des compositions de tensioactif issues de cette invention, utilisation qui permet de traiter les tissus pulmonaires à tensioactifs endogènes dysfonctionnant ou déficients, de préparer des peptides synthétiques utilisés dans les compositions de tensioactif et d'administrer des agents thérapeutiques.

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