CAR T-CELLS COMPRISING AN ANTI CD33, AN ANTI CLL1 AND AT LEAST ONE FURTHER CAR ANTI CD123 AND/OR FTL3
The present disclosure provides a cell comprising: an anti-CD33 chimeric antigen receptor (CAR); an anti-CLL 1 CAR; and an anti-CD123 and/or anti-CAR FLT3 CAR. The cell can be used in the treatment of a disease such as acute myeloid leukemia (AML).
1 - 29 . (canceled)
30 . A domain antibody (dAb) which binds CD123 and comprises the following complementarity determining regions (CDRs):
(i)
(SEQ ID No. 24)
CDR1 - GRSINTYA,
(SEQ ID No. 25)
CDR2 - INYNSRYT,
(SEQ ID No. 26)
CDR3 - AATSYYPTDYDVASRVATWPS;
(ii)
(SEQ ID No. 27)
CDR1 - GISLNA,
(SEQ ID No. 28)
CDR2 - IKIGGVS,
(SEQ ID No. 29)
CDR3 - NTYPPYLNGMDY;
(iii)
(SEQ ID No. 30)
CDR1 - GRSFNTDA,
(SEQ ID No. 31)
CDR2 - ISWDGTRT,
(SEQ ID No. 32)
CDR3 - AAEPQKAWPIGTSAAGFRS;
(iv)
(SEQ ID No. 33)
CDR1 - GSSISV,
(SEQ ID No. 34)
CDR2 - ISWSDGNT,
(SEQ ID No. 35)
CDR3 - AVEPRGWPKGHRY;
(v)
(SEQ ID No. 36)
CDR1 - GSSFSINV,
(SEQ ID No. 37)
CDR2 - ISWSDGST,
(SEQ ID No. 38)
CDR3 - AVEPRGWPKGHRY;
or
(vi)
(SEQ ID No. 39)
CDR1 - GSIFRINA,
(SEQ ID No. 40)
CDR2 - VNWIGGTT,
(SEQ ID No. 41)
CDR3 - SATDKGGSSRY.
31 . A dAb according to claim 30 which comprises one of the sequences shown as SEQ ID NO: 42, 43, 44, 45, 46 or 47.
32 . A chimeric antigen receptor (CAR) which has an antigen binding domain comprising a dAb according to claim 30 .
33 . A chimeric antigen receptor (CAR) which has an antigen binding domain comprising a dAb according to claim 31 .
34 . A nucleic acid sequence encoding a dAb according to claim 30 or encoding a CAR comprising a dAb according to claim 30 .
35 . A vector comprising a nucleic acid sequence according to claim 34 .
36 . A cell which expresses a CAR which has an antigen binding domain comprising a dAb according to claim 30 .
37 . A method for making a cell which comprises the step of transducing or transfecting a cell with a vector according to claim 35 .
38 . A pharmaceutical composition comprising a plurality of cells according to claim 36 .
39 . A method for treating cancer which comprises the step of administering a pharmaceutical composition according to claim 38 to a subject.
40 . A method according to 39 , wherein the cancer is acute myeloid leukemia (AML).
41 . A domain antibody (dAb) which binds CLL-1 and comprises the following complementarity determining regions (CDRs):
(i)
(SEQ ID NO: 48)
CDR1 - GFTFGNHD,
(SEQ ID NO: 49)
CDR2 - IDSGGNVI,
(SEQ ID NO: 50)
CDR3 - ATDLDSGAESLESVY;
(ii)
(SEQ ID NO: 51)
CDR1 - GFAFGSAD,
(SEQ ID NO: 52)
CDR2 - IDSGGNTQ,
(SEQ ID NO: 53)
CDR3 - TDLDPTTDSLENVY;
(iii)
(SEQ ID NO: 54)
CDR1 - GRTFSAYF,
(SEQ ID NO: 55)
CDR2 - INWNGDSS,
(SEQ ID NO: 56)
CDR3 - AADTHGAVGLGSERLYDY;
(iv)
(SEQ ID NO: 57)
CDR1 - GIGVSSTG,
(SEQ ID NO: 58)
CDR2 - IDRDGTT,
(SEQ ID NO: 59)
CDR3 - TVVGDYY;
(v)
(SEQ ID NO: 60)
CDR1 - GFIFGNYD,
(SEQ ID NO: 61)
CDR2 - ISSGGNDI,
(SEQ ID NO: 62)
CDR3 - AADLDPGTDSLDNIH;
or
(vi)
(SEQ ID NO: 63)
CDR1 - GFTLDYYA,
(SEQ ID NO: 64)
CDR2 - ISSSDGST,
(SEQ ID NO: 65)
CDR3 - AEAVYYAGVCVAMYDS.
42 . A dAb according to claim 41 which comprises one of the sequences shown as SEQ ID NO: 66, 67, 68, 69, 70 or 71.
43 . A chimeric antigen receptor (CAR) which has an antigen binding domain comprising a dAb according to claim 41 .
44 . A chimeric antigen receptor (CAR) which has an antigen binding domain comprising a dAb according to claim 41 .
45 . A nucleic acid sequence encoding a dAb according to claim 41 or encoding a CAR comprising a dAb according to claim 41 .
46 . A vector comprising a nucleic acid sequence according to claim 45 .
47 . A cell which expresses a CAR which has an antigen binding domain comprising a dAb according to claim 41 .
48 . A method for making a cell which comprises the step of transducing or transfecting a cell with a vector according to claim 46 .
49 . A pharmaceutical composition comprising a plurality of cells according to claim 47 .
50 . A method for treating cancer which comprises the step of administering a pharmaceutical composition according to claim 49 to a subject.
51 . A method according to 50 , wherein the cancer is acute myeloid leukemia (AML).