Drug delivery devices
View Patent ↗Compositions provided by contacting a biotin-containing component and an avidin-containing component are useful as drug delivery devices. Bioactive agents may be covalently bound to the biotin-containing component, the avidin-containing component, or both, mixed therewith, or combinations of the foregoing.
1. A drug delivery device comprising:
a biocompatible biotin-containing component comprising a first polymer selected from the group consisting of polyethylene glycols and absorbable polymers, wherein the biotin-containing component has a molecular weight from about 500 Daltons to about 5000 Daltons;
a biocompatible avidin-containing component comprising a polyethylene glycol; and
at least one bioactive agent,
wherein the absorbable polymer of the first polymer is selected from the group consisting of polycaprolactone, poly-D,L-lactic acid, poly-L-lactic acid, poly(lactide-co-glycolide), poly(hydroxybutyrate), poly(hydroxybutyrate-co-valerate), polydioxanone, polyorthoester, polyanhydride, poly(glycolic acid), poly(glycolic acid-cotrimethylene carbonate), polyphosphoester, polyphosphoester urethane, polyglutamic acid, polyaspartic acid, poly(trimethylene carbonate), poly(iminocarbonate), copoly(ether-esters), polyalkylene oxalates, polyphosphazenes, polyiminocarbonates, aliphatic polycarbonates, and combinations thereof, and
wherein the drug delivery device releases the at least one bioactive agent in vivo.
2. The drug delivery device of claim 1 , wherein the biocompatible biotin-containing component comprises polyethylene glycol.
3. The drug delivery device of claim 1 , wherein the biocompatible avidin-containing component is functionalized with avidin.
4. The drug delivery device of claim 1 , wherein the biocompatible avidin-containing component is functionalized with streptavidin.
5. The drug delivery device of claim 1 , wherein the at least one bioactive agent is selected from the group consisting of antimicrobial agents, proteins, peptides, antipyretic agents, antiphlogistic agents, analgesic agents, anti-inflammatory agents, vasodilators, antihypertensive agents, antiarrhythmic agents, hypotensive agents, antitussive agents, antineoplastic agents, local anesthetics, hormone preparations, antiasthmatic agents, antiallergic agents, antihistaminics, anticoagulants, antispasmodics, cerebral circulation improvers, metabolism improvers, antidepressants, antianxiety agents, vitamin D preparations, hypoglycemic agents, antiulcer agents, hypnotics, antibiotics, antifungal agents, sedative agents, bronchodilator agents, antiviral agents, dysuric agents, glycosaminoglycans, carbohydrates, nucleic acids, inorganic biologically active compounds, organic biologically active compounds, enzymes, angiogenic agents, anti-angiogenic agents, growth factors, antibodies, neurotransmitters, psychoactive drugs, anticancer drugs, chemotherapeutic drugs, drugs affecting reproductive organs, genes, oligonucleotides, and combinations thereof.
6. The drug delivery device of claim 1 , further comprising at least one additional bioactive agent admixed with the biotin-containing component, the avidin-containing component, or both.
7. The drug delivery device of claim 6 , wherein the additional bioactive agent admixed with the biotin-containing component, the avidin-containing component, or both, is the same as the bioactive agent.
8. The drug delivery device of claim 6 , wherein the drug delivery device possesses from about 2 to about 6 different bioactive agents.
9. The drug delivery device of claim 6 , wherein the drug delivery device comprises at least three drug release profiles comprising a first drug release profile of from about 0 days to about 10 days, a second drug release profile of from about 0 days to about 30 days, and a third drug release profile of from about 0 days to about 180 days.
10. The drug delivery device of claim 9 , wherein the at least one bioactive agent released from the drug delivery device during the three drug release profiles is the same bioactive agent.
11. The drug delivery device of claim 9 , wherein the first drug release profile is from about 2 days to about 8 days, the second drug release profile is from about 9 days to about 29 days, and the third drug release profile is from about 30 days to about 120 days.
12. The drug delivery device of claim 9 , wherein the at least one bioactive agent released from the drug delivery device during the three drug release profiles comprises at least two different bioactive agents.
13. The drug delivery device of claim 9 , wherein the at least one bioactive agent released from the drug delivery device during the three drug release profiles comprises three different bioactive agents.
14. The drug delivery device of claim 13 , wherein a first bioactive agent is selected from the group consisting of hemostatic agents, topical anesthetics, anti-adhesion agents, antibiotics, and combinations thereof; a second bioactive agent is selected from the group consisting of analgesics, anti-inflammatories, anti-adhesion agents, antibiotics, and combinations thereof; and a third bioactive agent is selected from the group consisting of anti-cancer agents, anti-scarring agents, proteins, and combinations thereof.
15. The drug delivery device of claim 1 , wherein the biotin-containing component is a biodegradable material.
16. The drug delivery device of claim 1 , wherein the avidin-containing component is biodegradable.