摘要:
Physically and chemically stable, water-soluble, amphiphilic polymer-PDGF complex, characterized in that the amphiphilic polymers include a hydrophilic polymeric backbone functionalized with hydrophobic substituents and hydrophilic groups.
摘要:
Physically and chemically stable, water-soluble, amphiphilic polymer-PDGF complex, characterized in that the amphiphilic polymers include a hydrophilic polymeric backbone functionalized with hydrophobic substituents and hydrophilic groups.
摘要:
Physically and chemically stable, water-soluble, amphiphilic polymer-PDGF complex, characterized in that the amphiphilic polymers include a hydrophilic polymeric backbone functionalized with hydrophobic substituents and hydrophilic groups.
摘要:
Dextran of the following general formula I: is described, wherein R represents a chain containing from 1 to 15 carbon atoms and having at least one acid functional group prior to attachment to AA, the chain optionally being branched and/or unsaturated and containing one or more heteroatoms, such as O, N or/and S, F represents an ester, a carbamate or an ether, AA represents a hydrophobic amino acid radical, L or D, derived from a coupling between an amine of an amino acid and at least one acid functional group of R; the amino acid, prior to attachment to R, being selected from the group consisting of tryptophan, phenylalanine, leucine, isoleucine, alanine and valine, and alcohol, amide or decarboxylated derivatives thereof, and alkaline cation salts thereof, i represents the molar fraction of substituent F—R-[AA]n per glycosidic unit and is from 0.1 to 2, n represents the molar fraction of R groups substituted by AA and is from 0.05 to 1, and wherein for R groups not substituted by AA, the acid(s) of the group R are alkaline cation carboxylates such as Na or K.
摘要:
The invention relates to a polysaccharide comprising carboxyl functional groups, one at least of which is substituted by a derivative of a hydrophobic alcohol. The invention also relates to a pharmaceutical composition comprising one of the polysaccharides according to the invention and at least one active principle. It also relates to a pharmaceutical composition, wherein the active principle is chosen from the group consisting of proteins, glycoproteins, peptides and nonpeptide therapeutic molecules. The invention also relates to the use of the functionalized polysaccharides according to the invention in the preparation of pharmaceutical compositions as described above.
摘要:
The invention relates to a complex consisted of a polysaccharide and an HBP, said polysaccharide being consisted from glycoside bonds of (1,6) and/or (1,4) and/or (1,3) and/or (1,2) type and functionalized with at least one salifiable or salified tryptophan derivative. The invention also relates to a pharmaceutical composition comprising a complex according to the invention and to the use of a polysaccharide consisted of glycoside bonds of (1,6) and/or (1,4) and/or (1,3) and/or (1,2) type and functionalized with at least one salifiable or salified tryptophan derivative, for the preparation of a pharmaceutical formulation of stable HBPs.
摘要:
The invention relates to a polysaccharide comprising carboxyl functional groups, one at least of which is substituted by a derivative of a hydrophobic alcohol. The invention also relates to a pharmaceutical composition comprising one of the polysaccharides according to the invention and at least one active principle. It also relates to a pharmaceutical composition, wherein the active principle is chosen from the group consisting of proteins, glycoproteins, peptides and nonpeptide therapeutic molecules. The invention also relates to the use of the functionalized polysaccharides according to the invention in the preparation of pharmaceutical compositions as described above.
摘要:
The present invention relates to a amphiphilic polymer in the preparation of a therapeutic composition for promoting angiogenesis at its site of administration, comprising a complex between a polymer and a PDGF, wherein the polymer is amphiphilic.In an embodiment, the PDGF is selected from the group of the PDGFs (platelet-derived growth factors) and the amphiphilic polymer is selected from the group: The invention relates also to the therapeutic composition is in the form of a gel, a cream, a solution, a spray, a paste or a patch or a dressing.
摘要:
Osteogenic compositions composed of a coprecipitate that contains at least one insoluble calcium salt and at least one complex between an osteogenic protein and a polysaccharide, the coprecipitate being in divided form, are described. Kits are also described, as are a process for preparing the coprecipitate in divided form, containing at least one insoluble calcium salt and at least one complex between an osteogenic protein and a polysaccharide.
摘要:
An open implant, and a method for preparing the implant, constituted of an osteogenic composition with at least one osteogenic growth factor, one soluble salt of a cation at least divalent, and one organic support. The organic support has no demineralized bone matrix. In one embodiment, the implant is in the form of a lyophilizate.