Injectable microdispersions for medical applications
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08L-015/00
A61F-002/00
출원번호
US-0178970
(2002-06-25)
발명자
/ 주소
Nathan,Aruna
Rosenblatt,Joel
Arnold,Steven C.
출원인 / 주소
Nathan,Aruna
Rosenblatt,Joel
Arnold,Steven C.
인용정보
피인용 횟수 :
26인용 특허 :
48
초록▼
The present invention is directed to microdispersions and pharmaceutical compositions containing a synthetic, bioabsorbable, biocompatible liquid polymer that is the reaction product of a polybasic acid or derivative thereof, a polyol and a fatty acid, the liquid polymer having a melting point less
The present invention is directed to microdispersions and pharmaceutical compositions containing a synthetic, bioabsorbable, biocompatible liquid polymer that is the reaction product of a polybasic acid or derivative thereof, a polyol and a fatty acid, the liquid polymer having a melting point less than about 40째 C., as determined by differential scanning calorimetry, and a synthetic, bioabsorbable, biocompatible polymeric wax comprising the reaction product of a polybasic acid or derivative thereof, a fatty acid and a polyol, the polymeric wax having a melting point less than about 70째 C., as determined by differential scanning calorimetry.
대표청구항▼
We claim: 1. A composition, comprising: a microdispersion, said microdispersion comprising a synthetic, bioabsorbable, biocompatible liquid polymer having a melting point less than about 40째 C., as determined by differential scanning calorimetry; and a synthetic, bioabsorbable, biocompatible polyme
We claim: 1. A composition, comprising: a microdispersion, said microdispersion comprising a synthetic, bioabsorbable, biocompatible liquid polymer having a melting point less than about 40째 C., as determined by differential scanning calorimetry; and a synthetic, bioabsorbable, biocompatible polymeric wax having a melting point less than about 70째 C., as determined by differential scanning calorimetry, wherein said liquid polymer and said polymeric wax comprise the reaction product of a polybasic acid or derivative thereof and a monoglyceride, said liquid polymer comprises an aliphatic polyester backbone with first pendant fatty acid ester groups and said polymeric wax comprises an aliphatic polyester backbone with second pendant fatty acid ester groups, wherein said first and second fatty acid groups are not the same. 2. The composition of claim 1 wherein said polybasic acid or derivative thereof is selected from the group consisting of succinic acid, succinic anhydride, malic acid, tartaric acid, citric acid, diglycolic acid, diglycolic anhydride, glutaric acid, glutaric anhydride, adipic acid, pimelic acid, suberic acid, sebacic acid, fumaric acid, maleic acid, maleic anhydride, mixed anhydrides, esters, activated esters and acid halides. 3. The composition of claim 1 wherein said monoglyceride is selected from the group consisting of monostearoyl glycerol, monopalmitoyl glycerol, monomyrisitoyl glycerol, monocaproyl glycerol, monodecanoyl glycerol, monolauroyl glycerol, monolinoleoyl glycerol and monooleoyl glycerol. 4. The composition of claim 3 wherein said polybasic acid derivative is succinic anhydride. 5. The composition of claim 3 wherein said polybasic acid is succinic acid. 6. The composition of claim 1 wherein said polymeric wax comprises the reaction product of said monoglyceride, and at least two of said polybasic acids or derivatives thereof selected from the group consisting of succinic acid, succinic anhydride, malic acid, tartaric acid, citric acid, diglycolic acid and diglycolic anhydride. 7. The composition of claim 1 wherein said polymeric wax comprises the reaction product of said polybasic acid or derivative thereof, and at least two of said monoglycerides selected from the group consisting of monostearoyl glycerol, monopalmitoyl glycerol, monomyrisitoyl glycerol, monocaproyl glycerol, monodecanoyl glycerol, monolauroyl glycerol, monolinoleoyl glycerol and monooleoyl glycerol. 8. The composition of claim 1 wherein said polymeric wax comprises the reaction product of said polybasic acid or derivative thereof, said monoglyceride selected from the group consisting of monostearoyl glycerol, monopalmitoyl glycerol, monomyrisitoyl glycerol, monocaproyl glycerol, monodecanoyl glycerol, monolauroyl glycerol, monolinoleoyl glycerol and monooleoyl glycerol, and at least one polyol selected from the group consisting of ethylene glycol, 1,2-propylene glycol, 1,3-propanediol, bis-2-hydroxyethyl ether, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,8-octanediol, 1,10-decanediol, 1,12-dodecanediol, other diols, linear poly(ethylene glycol), branched poly(ethylene glycol), linear poly(propylene glycol), branched poly(propylene glycol), linear poly(ethylene-co-propylene glycol)s and branched poly(ethylene-co-propylene glycol)s. 9. The composition of claim 1 wherein at least one of said liquid polymer and said polymeric wax comprises an end capping-moeity selected from the group consisting of alkyls, alkenyls, alkynyls, acrylates, methacrylates, amines, isocyanates and isothiocyanates. 10. The composition of claim 1, further comprising an effective amount of a bioactive agent. 11. The composition of claim 10 wherein said polybasic acid or derivative thereof is selected from the group consisting of succinic acid, succinic anhydride, malic acid, tartaric acid, citric acid, diglycolic acid, diglycolic anhydride, glutaric acid, glutaric anhydride, adipic acid, pimelic acid, suberic acid, sebacic acid and derivatives thereof. 12. The composition of claim 10 wherein said monoglyceride is selected from the group consisting of monostearoyl glycerol, monopalmitoyl glycerol, monomyrisitoyl glycerol, monocaproyl glycerol, monodecanoyl, monolauroyl glycerol, monolinoleoyl glycerol and monooleoyl glycerol. 13. The composition of claim 12 wherein said polybasic acid derivative is succinic anhydride. 14. The composition of claim 12 wherein said polybasic acid is succinic acid. 15. The composition of claim 10 wherein said bioactive agent is selected from the group consisting of antiinfectives, analgesics, anorexics, antihelmintics, antiarthritics, antiasthmatics, anticonvulsants, antidepressants, antidiuretics, antidiarrheals, antihistamines, antiinflammatory agents, antimigraine preparations, antinauseants, antineoplastics, antiparkinsonism drugs, antipruritics, antipsychotics, antipyretics, antispasmodics, anticholinergics, sympathomimetics, xanthine derivatives, calcium channel blockers, beta-blockers, antiarrhythmics, antihypertensives, diuretics, vasodilators, central nervous system stimulants, decongestants, hormones, steroids, hypnotics, immunosuppressives, muscle relaxants, parasympatholytics, psychostimulants, sedatives, tranquilizers, naturally derived or genetically engineered proteins, polysaccharides, glycoproteins, or lipoproteins, oligonucleotides, antibodies, antigens, cholinergics, chemotherapeutics, hemostatics, clot dissolving agents, radioactive agents and cystostatics. 16. The composition of claim 10 wherein said bioactive agent is risperidone. 17. The composition of claim 10 wherein said bioactive agent is erythropoietin. 18. The composition of claim 10 wherein said bioactive agent is rapamycin. 19. A medical device comprising a coating of said microdispersion, said microdispersion comprising a synthetic, bioabsorbable, biocompatible liquid polymer having a melting point less than about 40째 C., as determined by differential scanning calorimetry; and a synthetic, bioabsorbable, biocompatible polymeric wax having a melting point less than about 70째 C., as determined by differential scanning calorimetry, wherein said liquid polymer and said polymeric wax comprise the reaction product of a polybasic acid or derivative thereof, and a monoglyceride, wherein said monoglyceride comprises reactive hydroxyl and fatty acid groups, and wherein said liquid polymer comprises an aliphatic polyester backbone with first pendant fatty acid ester groups and said polymeric wax comprises an aliphatic polyester backbone with second pendant fatty acid ester groups, wherein said first and second fatty acid groups are not the same. 20. The composition of claim 1 comprising a soft tissue repair material comprising said microdispersion. 21. The composition of claim 1 comprising a soft tissue augmentation material comprising said microdispersion. 22. The medical device of claim 19 comprising a surgical article selected from the group consisting of sutures, stents, needles, vascular grafts, stent-graft combinations, meshes, tissue engineering scaffolds, pins, clips, staples, films, sheets, foams, anchors, screws and plates. 23. The composition of claim 1 comprising a bone replacement material comprising said microdispersion. 24. The composition of claim 23 further comprising a therapeutically effective amount of a bioactive agent. 25. The composition of claim 24 wherein said bioactive agent is a growth factor. 26. The composition of claim 25 wherein said growth factor is selected from the group consisting of cell attachment mediators, biologically active ligands, integrin binding sequence, bone morphogenic proteins, epidermal growth factor, fibroblast growth factor, platelet-derived growth factor, IGF-I, IGF-II, TGF-β-I-III, growth differentiation factor, parathyroid hormone, vascular endothelial growth factor, hyaluronic acid, glycoprotein, lipoprotein, bFGF, TGF superfamily factors, BMP-2, BMP-4, BMP-6, BMP-12, sonic hedgehog, GDF5, GDF6, GDF8, PDGF, tenascin-C, fibronectin, thromboelastin, and thrombin-derived peptides. 27. The composition of claim 23 further comprising a biologically derived substance selected from the group consisting of demineralized bone, platelet rich plasma, bone marrow aspirate and bone fragments. 28. The composition of claim 23 further comprising an inorganic filler. 29. The composition of claim 28 wherein said inorganic filler is selected from the group consisting of alpha-tricalcium phosphate, beta-tricalcium phosphate, calcium carbonate, barium carbonate, calcium sulfate, barium sulfate and hydroxyapatite. 30. The composition of claim 28 wherein said inorganic filler is hydroxyapatite.
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