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(11)

EP 2 117 595 A2

(12)

(88) Date of publication A3: 22.05.2009 (43) Date of publication: 18.11.2009 Bulletin 2009/47 (21) Application number: 07869056.7 (22) Date of filing: 07.12.2007

(51) International Patent Classification (IPC):  A61K 41/00(2006.01) A61K 49/00(2006.01) A61P 43/00(2006.01) A61K 47/48(2006.01) A61K 49/18(2006.01) (86) International application number: PCT/US2007/086863 (87) International publication number: WO 2008/073851 (19.06.2008 Gazette 2008/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 08.12.2006 US 873897 P 31.08.2007 US 969389 P (71) Applicants: Massachusetts Institute of Technology Cambridge, MA 02139-4307 (US) University Of California, San Diego La Jolla, CA 92093 (US)	(72) Inventors: DERFUS, Austin M. San Diego, CA 92122 (US) VON MALTZAHN, Geoffrey Boston, MA 02111 (US) BHATIA, Sangeeta N. Lexington, MA 02420 (US) (74) Representative: Hollywood, Jane Constance et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)