(12) United States Patent (10) Patent No.: US 6,613,807 B2 Uhrich (45) Date of Patent: *Sep
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USOO6613807B2 (12) United States Patent (10) Patent No.: US 6,613,807 B2 Uhrich (45) Date of Patent: *Sep. 2, 2003 (54) THERAPEUTIC POLYANHYDRIDE DE 288387 3/1991 ........... CO8G/67/04 COMPOUNDS FOR DRUG DELIVERY EP O246341 11/1987 ........... A61 L/27/00 EP O 246 341 * 11/1987 (75) Inventor: Kathryn E. Uhrich, Hoboken, NJ (US) NL 9000237 8/1991 .......... A61 K/31/60 WO WO 90/09779 9/1990 ............ A61K/7/16 WO 91/O9831 * 7/1991 (73) ASSignee: ST'State tly, New W. WO-91/09831 7/1991 ......... CO7C/69/035 ersey, New Brunswick, NJ (US) WO WO-97/39738 10/1997 ... A61 K/9/16 (*) Notice: Subject to any disclaimer, the term of this W Wo: to r : patent is extended or adjusted under 35 WO 99/12990 * 3/1999 U.S.C. 154(b) by 0 days. WO WO-99/29885 6/1999 ............. C12P/1/OO This patent is Subject to a terminal dis OTHER PUBLICATIONS claimer. Anastasiou, T.J. "Novel Polyanhydrides with Enhanced Thermal and Solubility Properties”, Macromolecules, 33 (21) Appl. No.: 09/917,231 (17), (2000).pp, 6217–6221. Anastasiou, T.J. "Novel, Degradable Polyanhydrides”, (22) Filed: Jul. 27, 2001 25th Annual Meeting Transactions of the Society for Bio (65) Prior Publication Data materials, Abstract,(1999).p, 79, Anastasiou, T.J. "Synthesis of Novel, Degradable Polyan US 2002/0098161 A1 Jul. 25, 2002 hydrides Containing Para-AminoSalicylic Acid as Drug Delivery Devices for Tuberculosis Treatment', Polymer Related U.S. Application Data Preprints, 41(2), (Aug. 2000),pp. 1366–1367. Attawia, M.A. "Biocompatibility Testing of Poly(anhy (63) Continuation-in-part of application No. 09/627.215, filed on dride-co-imides) Containing Pyromellitylimidoalanine”, Jul. 27, 2000. The 21st Annual Meeting of the Society for Biomaterials, (51) Int. Cl....................... A61K 47/32; A61K 31/195; Abstract.(1994).p. 222. A61K 31/43; A61K 31/74 Attawia, M.A. "Cytotoxicity testing of poly(anhydride (52) U.S. Cl. .................... 514/772.5; 514/197; 514/201; co-imides) for Orthopedic applications”, Journal of Bio 514/567; 424/78.08 medical Materials Research, 29, (1995),pp. 1233-1240. (58) Field of Search .............................. 514/772.5, 197, Attawia, M.A. “In Vitro Bone Biocompatibility of Poly 514/201,567; 424/428, 427, 78.08, 409, (anhydride-co-imides) Containing Pyromellitylimidoala 420 nine”, Journal of Orthopedic Research, 14, (1996),pp. 445-454. (56) References Cited Attawia, M.A. "Proliferation, Morphology, and Protein Expression by Osteoblasts Cultured on Poly(anhydrideco-a- U.S. PATENT DOCUMENTS mides)”, J. Biomed. Mater. Res. (Appl. Biomater), 48, 4,062.855 A 12/1977 Allan et al. ............ 260/295 PA (1999), pp. 322–327. 4,126,445. 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A 12/1989 Langer et al. .... ... 424/426 for Use in Bone", Proc. of the Fifth World Biomaterials 4,891.225 A * 1/1990 Langer et al. ... ... 424/428 Congress, Toronto, Canada, (1996).p. 113. 4,906,474 A 3/1990 Langer et al. ... 424/428 (List continued on next page.) 4,938,949 A 7/1990 Borch et al. .................. 424/10 4997,904 A 3/1991 Domb .......... ... 528/2O6 Primary Examiner Thurman K. Page 4,999,417 A 3/1991 Domb .......... ... 528/271 Assistant Examiner Blessing Fubara 5,082,925 A 1/1992 Shalaby et al. ... 528/354 (74) Attorney, Agent, or Firm-Schwegman, Lundberg, 5,175.235 A 12/1992 Domb et al....... ... 528/271 Woessner & Kluth, PA. 5,259,968 A 11/1993 Emert et al. ... ... 252/51.5 A 5,264,540 A 11/1993 Cooper et al. ... 528/272 (57) ABSTRACT 5,498,729 A 3/1996 Domb .......... ... 548/500 5,514,764 A 5/1996 Frechet et al. ................ 528/10 Polyanhydrides which link low molecular weight drugs 5,545.409 A 8/1996 Laurencin et al. .......... 424/426 containing a carboxylic acid group and an amine, thiol, 5,629,009 A 5/1997 Laurencin et al. .......... 424/426 alcohol or phenol group within their structure into polymeric drug delivery Systems are provided. Also provided are 5,902,110 A 5/1999 Alfano et al. ..... ... 433/215 5,902,599 A 5/1999 Anseth et al. ... 424/426 methods of producing polymeric drug delivery Systems via 5,942.252 A 8/1999 Tice et al. ..... ... 424/501 these polyanhydride linkers as well as methods of adminis 6,071,530 A 6/2000 Polson et al. ............... 424/426 tering low molecular weight drugs to a host via the poly FOREIGN PATENT DOCUMENTS meric drug delivery Systems. DE 2883.11 3/1991 .......... AO1 N/25/10 33 Claims, No Drawings US 6,613,807 B2 Page 2 OTHER PUBLICATIONS Gouin, S.,et al. "New Polyanhydrides Made from a Bile Acid Dimer and Sebacic Acid: Synthesis, Characterization, Beaton, M.L. "Synthesis of a novel poly(anhy and Degradation”, Macrmolecules, 33, (2000),pp. dride-ester)”, The Rutgers Scholar. An Electronic Bulletin of Undergraduate Research, 3, www.rutgerSScholarrut 5379-5383. gers.edu/volume03/beatuhri/beatuhri.html.(2001), 7 pgs. Ibim. 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