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CHA KUIN TAITEIT US009814777B2VAN DE LA MAN UNITA MAN UNITED (12 ) United States Patent ( 10 ) Patent No. : US 9 ,814 , 777 B2 Manoharan et al. (45 ) Date of Patent: Nov . 14 , 2017 (54 ) TARGETING LIPIDS (58 ) Field of Classification Search CPC . A61K 31 /7088 ; A61K 31 /713 ; A61K 47 / 16 ; @( 71 ) Applicant : Arbutus Biopharma Corporation , A61K 47 / 22 ; A61K 47 / 28 ; A61K Burnaby, BC (CA ) 47/ 48092 ; A61K 47 / 48215 ; CO7H 21/ 02 USPC .. .. 514 / 44 , 777 , 784 ; 536 / 17. 9 , 5 ; 544 /258 ; @(72 ) Inventors : Muthiah Manoharan , Cambridge , MA 552 /502 ; 560/ 159 ( US ) ; Kallanthottathil G . Rajeev , See application file for complete search history. Cambridge , MA (US ) ; Jayaprakash K . Nair , Cambridge , MA (US ) ; Muthusamy Jayaraman , Cambridge, (56 ) References Cited MA (US ) U . S . PATENT DOCUMENTS (73 ) Assignee : Arbutus Biopharma Corporation , 5 , 994 ,517 A 11 / 1999 Ts ' o et al. Burnaby, British Columbia ( CA ) 6 , 906 , 182 B2 6 / 2005 Ts ' o et al . 7 , 109 , 165 B2 9 / 2006 Matulic - Adamic et al . 7 , 491 , 805 B2 . 2 /2009 Vargeese et al . ( * ) Notice: Subject to any disclaimer, the term of this 7 , 803 , 397 B2 * 9 / 2010 Heyes et al. .. 424 / 450 patent is extended or adjusted under 35 2002 / 0086356 A1 7 / 2002 Tuschl et al. U . S . C . 154 ( b ) by 0 days . 2003 /0148928 A1 8 / 2003 Beigelman et al . 2004 /0110296 Al 6 /2004 Vargeese et al . 2004 / 0259247 Al 12 / 2004 Tuschl et al . ( 21 ) Appl. No. : 14 / 060, 353 2006 /0148740 A17 / 2006 Platenburg 2009 /0325297 A1 12 / 2009 Tian et al . (22 ) Filed : Oct. 22, 2013 2012 /0101148 AI 4 / 2012 Aking et al. (65 ) Prior Publication Data FOREIGN PATENT DOCUMENTS US 2014 /0179761 A1 Jun . 26 , 2014 EP 0957107 11 / 1999 US 2016 /0375137 A9 Dec . 29 , 2016 WO WO 90 / 12096 10 / 1990 wo 1997043296 Al 11 / 1997 WO WO 99 /52932 10 / 1999 Related U . S . Application Data WO WO 99 /65925 12 / 1999 WO WO 00 / 44914 8 / 2000 (63 ) Continuation of application No . 12 /328 , 669 , filed on WO WO 02 /085908 10 / 2002 WO WO 02 /094185 11 /2002 Dec. 4 , 2008, now abandoned . WO WO 2004 / 024757 3 / 2004 WO WO 2004 /080406 9 / 2004 (60 ) Provisional application No . 60 / 992 , 309 , filed on Dec . WO WO 2004 /090108 10 / 2004 4 , 2007 , provisional application No . 61 /013 , 597 , filed (Continued ) on Dec . 13 , 2007 , provisional application No . 61/ 127 ,751 , filed on May 14 , 2008 , provisional OTHER PUBLICATIONS application No. 61/ 091, 093 , filed on Aug . 22 , 2008 , provisional application No . 61/ 097 , 261, filed on Sep . Nunez et al. Journal of Carbohydrate Chemistry , vol. 22 , No. 6 , pp . 16 , 2008 . 395 - 406 , 2003. * (Continued ) (51 ) Int. Cl. A61K 31/ 7088 ( 2006 . 01 ) A61K 31 / 713 ( 2006 .01 ) Primary Examiner — Janet Epps- Smith A61K 47 / 16 ( 2006 .01 ) ( 74 ) Attorney, Agent, or Firm — Viksnins Harris Padys A61K 47 / 22 ( 2006 .01 ) Malen LLP A61K 47 /28 ( 2006 .01 ) A61K 31 /7004 ( 2006 . 01 ) ( 57 ) ABSTRACT A61K 31 / 7052 ( 2006 .01 ) A61K 31 /70 ( 2006 . 01 ) The present invention provides targeting lipids of structure A61K 4748 ( 2006 .01 ) CO7H 21/ 02 ( 2006 .01 ) L 100 - linker- L 101 (CI ), A61K 48 /00 ( 2006 .01 ) where L 100 is a lipid , lipophile , alkyl , alkenyl or alkynyl , (52 ) U . S . CI. L101 is a ligand or CH , CH , (OCH , CH , ) , O (CH , ) , CH , ??? .. .. A61K 47 /28 (2013 .01 ) ; A61K 31/ 70 ligand , p is 1 - 1000 , and q is 1 - 20 . In addition , the invention ( 2013 .01 ) ; A61K 31 / 7004 ( 2013 .01 ) ; A61K provides compositions and methods for the delivery of 31/ 7052 (2013 .01 ) ; A61K 31 /7088 (2013 .01 ) ; therapeutic agents to cells . In particular , these include novel A61K 31/ 713 ( 2013 . 01 ) ; A61K 47/ 16 lipids and nucleic acid - lipid particles that provide efficient (2013 . 01 ) ; A61K 47 / 22 ( 2013 .01 ) ; A61K encapsulation of nucleic acids and efficient delivery of the 47 / 48046 (2013 .01 ) ; A61K 47/ 48092 encapsulated nucleic acid to cells in vivo . ( 2013 .01 ) ; A61K 47 /48215 ( 2013 .01 ) ; C07H 21/ 02 (2013 .01 ) ; A61K 48/ 00 (2013 .01 ) ; YO2P 20 /55 (2015 . 11) 11 Claims, 20 Drawing Sheets US 9 ,814 Page , 2777 B2 References Cited Krapcho et al. , “ Mono -Protected Diamines . N -tert -Butoxycarbonyl ( 56 ) a ,f3 - Alkanediamines from - O - Alkanediamines ” , Synthetic Commu nications, 2559 -2564 ( 1990 ) . FOREIGN PATENT DOCUMENTS Li et al ., “ Folate -Mediated Targeting of Antisense WO WO 2004 /094595 11 / 2004 Oligodeoxynucleotides to Ovarian Cancer Cells ” , Pharmaceutical WO WO 2006 / 020768 2 / 2006 Research , vol . 15 ( 10 ) , 1540 -1545 ( 1998 ). 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