02-04-2015 дата публикации
Номер: US20150093443A1
Принадлежит:
Compositions having a drug-loaded microparticle and bone cement and methods of making such compositions are disclosed. Also disclosed are methods of employing such compositions for the treatment of injected joint spaces and bone disease. 1. A composition , comprising a particle comprising at least one drug and a porous solid , wherein the particle is dispersed in a bone cement.2. The composition of claim 1 , wherein the at least one drug is an antibiotic claim 1 , a bone growth factor or a chemotherapeutic claim 1 , or a combination thereof.3. The composition of claim 2 , wherein the antibiotic is selected from an aminoglycoside antibiotic claim 2 , a glycopeptide antibiotic claim 2 , a macrolide antibiotic claim 2 , fluoroquinolones claim 2 , sulfa claim 2 , tetracycline claim 2 , rifampin claim 2 , vancomycin claim 2 , cephalosporin claim 2 , penicillinc claim 2 , or a combination thereof.4. The composition of claim 2 , wherein the antibiotic is gentamicin.5. The composition of claim 1 , wherein the porous solid comprises a non-erodible particulate system.6. The composition of claim 1 , wherein the porous solid comprises silica.7. The composition of claim 1 , wherein the particle has a size of about 2 μm to about 200 μm.8. The composition of claim 1 , wherein the bone cement is selected from ALLEGIANCE claim 1 , BONESOURCE claim 1 , CRANIOPLASTIC claim 1 , ORTHOCOMP claim 1 , OSTEOBOND claim 1 , PALACOS claim 1 , PALACOS E-FLOW claim 1 , SIMPLEX P claim 1 , SUCOUR claim 1 , and VERTIFIX.9. The composition of claim 1 , wherein the drug-loading of the particle is about 1% to about 70% by weight of the particle.10. The composition of claim 1 , wherein the drug-loading of the particle is less than about 40% by weight of the particle.11. The composition of claim 1 , wherein the weight ratio of particle to bone cement is about 1:9 to about 7:3.12. The composition of claim 1 , wherein the at least one drug is released over a period of 14 days to 70 days.13. The ...
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