(12) United States Patent (10) Patent No.: US 8,119,101 B2 Byrd Et Al
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USOO8119101B2 (12) United States Patent (10) Patent No.: US 8,119,101 B2 Byrd et al. (45) Date of Patent: *Feb. 21, 2012 (54) ANTI-CD74 IMMUNOCONJUGATES AND is: A 9. 3. Shih,etaCe al. METHODS OF USE 4,816,567 A 3/1989 Cabilly et al. 4,824,659 A 4, 1989 Hawth (75) Inventors: John C. Byrd, Columbus, OH (US); 4,916,213. A 4/1990 Nial. David M. Goldenberg, Mendham, NJ 4,918,163 A 4/1990 Young et al. SS Hans J. Hansen, Picayune, MS 4,932,4124,925,922 A 6/19905/1990 GoldenbergByers et al. (US) 4.946,778 A 8, 1990 Ladner et al. 5,057,313 A 10, 1991 Shih et al. (73) Assignees: The Ohio State University, Columbus, 5,106,955 A 4, 1992 Endo et al. OH (US); Immunomedics, Inc., Morris 5,134,075 A 7, 1992 Hellstrom et al. Plains, NJ (US) 5,171,665 A 12/1992 Hellstrom et al. s 5,196,337 A 3, 1993 Ochi et al. (*) Notice: Subject to any disclaimer, the term of this 3.299 A 232 slet al. patent is extended or adjusted under 35 5.443,953 A 8, 1995 Hansen et al. U.S.C. 154(b) by 0 days. 5,484,892 A 1/1996 Tedder et al. 5,525,338 A 6/1996 Goldenber This patent is Subject to a terminal dis- 5,565,215. A 10/1996 Grefet g claimer. 5,567,610 A 10, 1996 Borrebaecket al. 5,593,676 A 1/1997 Bhat et al. (21) Appl. No.: 12/789,575 5,618,920 A 4/1997 Robinson et al. 5,620,708 A 4/1997 Amkraut et al. (22) Filed: May 28, 2010 5,633,425 A 5/1997 Lonberg et al. (Continued) (65) Prior Publication Data US 2010/0272636A1 Oct. 28, 2010 FOREIGN PATENT DOCUMENTS EP O332865 9, 1989 Related U.S. Application Data (Continued) (63) Continuation-in-part of application No. 10/706,852, filed on Nov. 12, 2003, now Pat. No. 7,829,064, which OTHER PUBLICATIONS is a continuation-in-part of application No. 10/314,330, filed on Dec. 9, 2002, now Pat No. Hertlein et al. (Blood, 2010, 116 2554-2558)." 7,837,995, which is a continuation of application No. (Continued) 09/965,796, filed on Oct. 1, 2001, now Pat. No. 7.910,103, which is a continuation of application No. 09/307,816, filed on May 10, 1999, now Pat. No. Primary Examiner — Peter J Reddig 6,306,393, said application No. 10/706,852 is a Assistant E iner — Yan Xiao continuation-in-part of application No. 10/350,096, SSIS OF EXCFlife filed on Jan. 24, 2003, which is a continuation of (74) Attorney, Agent, or Firm — Richard A. Nakashima application No. 09/590,284, filed on Jun. 9, 2000, now Pat. No. 7,074,403, said application No. 10/706,852 is a continuation-in-part of application No. 10/377,122, (57) ABSTRACT filed on Mar. 3, 2003, now Pat. No. 7,312,318. Disclosed are compositions that include anti-CD74 immuno (60) Provisional application No. 61/265,999, filed on Dec. conjugates and optionally a therapeutic and/or diagnostic 2, 2009, provisional application No. 607478,830, filed agent. In preferred embodiments, the immunoconjugates on Jun. 17, 2003, provisional application No. comprise one or more anti-CD74 antibodies or antigen-bind 60/360,259, filed on Mar. 1, 2002. ing fragments thereof, conjugated to a liposome or micelle. 51) Int. C Also disclosed are methods for preparing the immunoconju (51) 39/44 (2006.01) gates and using the immunoconjugates in diagnostic and A6 IK5I/2 (2006.015 therapeutic procedures. In certain preferred embodiments, A 6LX 9/27 (200 6,015 the therapeutic methods comprise administering to a subject A6 IK39/00 (2006.015 with a CD74-expressing disease an anti-CD74 immunocon (52) U.S. Cl 424/1 21. 424f1 78.1: 424/179.1: jugate and thereby inducing apoptosis of CD74-expressing Oa - - - - - - - - - - - - - - - - - - - - - 434,450. 424/180 i. 424/182 cells. In more preferred embodiments, the CD74 immuno (58) Field of Classification search • us None conjugate is capable of inducing cell death in the absence of See application file for complete search history. any other therapeutic agent, although Such agents may be optionally administered prior to, together with or Subsequent (56) References Cited to administration of the anti-CD74 immunoconjugate. The compositions may be part of a kit for administering the anti U.S. PATENT DOCUMENTS CD74 immunoconjugates or compositions. 4,036,945 A T. 1977 Haber 4,046,722 A 9, 1977 Rowland 4.331,647 A 5/1982 Goldenberg 34 Claims, 11 Drawing Sheets US 8,119,101 B2 Page 2 U.S. PATENT DOCUMENTS Riechmann et al., “Reshaping human antibodies for therapy'. Nature 5,686,072 A 11, 1997 Uhr et al. 332(6162):323-7 (1988). 5,693,762 A 12/1997 Queen et al. 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