Methods for predicting therapeutic benefit of anti-CD19 therapy in patients
The present disclosure is directed to identifying characteristics and biomarkers in patients that benefit from treatment with an anti-CD19 antibody.
1 . A method for the treatment of a human subject having a non-Hodgkin's lymphoma, said method comprising:
identifying the human subject as having a peripheral natural killer (NK) cell count at baseline of at least 100 NK cells/μl in a blood sample obtained from the human subject; and
administering an anti-CD19 antibody to the human subject, wherein the anti-CD19 antibody comprises an HCDR1 region comprising the sequence SYVMH (SEQ ID NO:1), an HCDR2 region comprising the sequence NPYNDG (SEQ ID NO:2), an HCDR3 region comprising the sequence GTYYYGTRVFDY (SEQ ID NO:3), an LCDR1 region comprising the sequence RSSKSLONVNGNTYLY (SEQ ID NO:4), an LCDR2 region comprising the sequence RMSNLNS (SEQ ID NO:5), and an LCDR3 region comprising the sequence MQHLEYPIT (SEQ ID NO:6).
2 . The method according to claim 1 , wherein the anti-CD19 antibody comprises a heavy chain variable region of the sequence
(SEQ ID NO: 10)
EVQLVESGGGLVKPGGSLKLSCAASGYTFTSYVMHWVRQAPGKGLEWIG
YINPYNDGTKYNEKFQGRVTISSDKSISTAYMELSSLRSEDTAMYYCAR
GTYYYGTRVFDYWGQGTLVTVSS
and
a light chain variable variable region of the
sequence
(SEQ ID NO: 11)
DIVMTQSPATLSLSPGERATLSCRSSKSLQNVNGNTYLYWFQQKPGQSP
QLLIYRMSNLNSGVPDRFSGSGSGTEFTLTISSLEPEDFAVYYCMQHLE
YPITFGAGTKLEIK.
3 . The method according to claim 1 , wherein the anti-CD19 antibody comprises a heavy chain comprising the sequence
(SEQ ID NO: 8)
EVQLVESGGGLVKPGGSLKLSCAASGYTFTSYVMHWVRQAPGKGLEWIG
YINPYNDGTKYNEKFQGRVTISSDKSISTAYMELSSLRSEDTAMYYCAR
GTYYYGTRVFDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALG
CLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSS
LGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPELLGGPDVF
LFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVQFNWYVDGVEVHNAKTK
PREEQFNSTFRVVSVLTVVHQDWLNGKEYKCKVSNKALPAPEEKTISKT
KGQPREPQVYTLPPSREEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPE
NNYKTTPPMLDSDGSFFLYSKLIVDKSRWQQGNVFSCSVMHEALHNHYT
QKSLSLSPGK
and
a light chain comprising the sequence
(SEQ ID NO: 9)
DIVMTQSPATLSLSPGERATLSCRSSKSLQNVNGNTYLYWFQQKPGQSP
QLLIYRMSNLNSGVPDRFSGSGSGTEFTLTISSLEPEDFAVYYCMQHLE
YPITFGAGTKLEIKRTVAAPSVFIFPPSDEQLKSGTASWCLLNNFYPRE
AKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVY
ACEVTHQGLSSPVTKSFNRGEC.
4 . The method according to claim 1 , wherein the non-Hodgkin's lymphoma is follicular lymphoma.
5 . The method according to claim 4 , wherein the anti-CD19 antibody comprises a heavy chain variable region comprising the sequence set forth in SEQ ID NO:10 and a light chain variable region comprising the sequence set forth in SEQ ID NO:11.
6 . The method according to claim 4 , wherein the anti-CD19 antibody comprises a heavy chain comprising the sequence set forth in SEQ ID NO:8 and a light chain comprising the sequence set forth in SEQ ID NO:9.
7 . The method according to claim 1 , wherein the non-Hodgkin's lymphoma is small lymphocytic lymphoma.
8 . The method according to claim 7 , wherein the anti-CD19 antibody comprises a heavy chain variable region comprising the sequence set forth in SEQ ID NO:10 and a light chain variable region comprising the sequence set forth in SEQ ID NO:11.
9 . The method according to claim 7 , wherein the anti-CD19 antibody comprises a heavy chain comprising the sequence set forth in SEQ ID NO:8 and a light chain comprising the sequence set forth in SEQ ID NO:9.
10 . The method according to claim 1 , wherein the non-Hodgkin's lymphoma is mucosa-associated lymphoid tissue lymphoma.
11 . The method according to claim 10 , wherein the anti-CD19 antibody comprises a heavy chain variable region comprising the sequence set forth in SEQ ID NO:10 and a light chain variable region comprising the sequence set forth in SEQ ID NO:11.
12 . The method according to claim 10 , wherein the anti-CD19 antibody comprises a heavy chain comprising the sequence set forth in SEQ ID NO:8 and a light chain comprising the sequence set forth in SEQ ID NO:9.
13 . The method according to claim 1 , wherein the non-Hodgkin's lymphoma is marginal zone lymphoma.
14 . The method according to claim 13 , wherein the anti-CD19 antibody comprises a heavy chain variable region comprising the sequence set forth in SEQ ID NO:10 and a light chain variable region comprising the sequence set forth in SEQ ID NO:11.
15 . The method according to claim 13 , wherein the anti-CD19 antibody comprises a heavy chain comprising the sequence set forth in SEQ ID NO:8 and a light chain comprising the sequence set forth in SEQ ID NO:9.
16 . The method according to claim 1 , wherein the non-Hodgkin's lymphoma is diffuse large B cell lymphoma.
17 . The method according to claim 16 , wherein the anti-CD19 antibody comprises a heavy chain variable region comprising the sequence set forth in SEQ ID NO:10 and a light chain variable region comprising the sequence set forth in SEQ ID NO:11.
18 . The method according to claim 16 , wherein the anti-CD19 antibody comprises a heavy chain comprising the sequence set forth in SEQ ID NO:8 and a light chain comprising the sequence set forth in SEQ ID NO:9.
19 . The method according to claim 1 , wherein the non-Hodgkin's lymphoma is Burkitt's lymphoma.
20 . The method according to claim 19 , wherein the anti-CD19 antibody comprises a heavy chain variable region comprising the sequence set forth in SEQ ID NO: 10 and a light chain variable region comprising the sequence set forth in SEQ ID NO:11.
21 . The method according to claim 19 , wherein the anti-CD19 antibody comprises a heavy chain comprising the sequence set forth in SEQ ID NO:8 and a light chain comprising the sequence set forth in SEQ ID NO:9.
22 . The method according to claim 1 , wherein the non-Hodgkin's lymphoma is mantle cell lymphoma.
23 . The method according to claim 22 , wherein the anti-CD19 antibody comprises a heavy chain variable region comprising the sequence set forth in SEQ ID NO: 10 and a light chain variable region comprising the sequence set forth in SEQ ID NO:11.
24 . The method according to claim 22 , wherein the anti-CD19 antibody comprises a heavy chain comprising the sequence set forth in SEQ ID NO:8 and a light chain comprising the sequence set forth in SEQ ID NO:9.