IP Library Granted Patent US 10,000,549
Granted Patent B2
US 10,000,549 · App. 15/178,085 · Granted Jun 19, 2018

Compositions and methods for treatment of hematological malignancies

Inventor: Michal Dranitzki Elhalel (Shoresh, IL)
Assignees: KAHR Medical Ltd.; Hadasit Medical Research Services and Development Ltd.
C07K14/70575A61K38/1774C07K14/70521C07K14/70578C07K2319/00C07K2319/21C07K2319/33
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Quick Facts
Patent No.
US 10,000,549
App. No.
15/178,085
Granted
Jun 19, 2018
Kind
B2
Abstract

Use of a chimeric protein selected from the group consisting of CTLA4-FasL and CD40-FasL proteins for treatment of lymphoma and/or a multiple myeloma and/or a leukemia as described herein, and pharmaceutical compositions and methods of treatment thereof.

Claims (23)

1. A method of treating multiple myeloma, benign plasma cell disorder or premalignant forms of multiple myeloma in a subject, comprising administering to the subject a CD40-FasL chimeric protein, wherein cells of said multiple myeloma, said benign plasma cell disorder or said premalignant forms of multiple myeloma express CD40L.

2. The method of claim 1 , wherein said multiple myeloma is selected from the group consisting of multiple myeloma cancers which produce light chains of kappa-type and/or light chains of lambda-type; aggressive multiple myeloma; smoldering multiple myeloma (SMM), indolent multiple myeloma, and primary amyloidosis.

3. The method of claim 2 , wherein said aggressive multiple myeloma is primary plasma cell leukemia (PCL).

4. The method of claim 1 , wherein said benign plasma cell disorder is selected from the group consisting of MGUS (monoclonal gammopathy of undetermined significance) and/or Waldenstrom's macroglobulinemia (WM, also known as lymphoplasmacytic lymphoma) which may proceed to multiple myeloma.

5. The method of claim 4 , to halt the progression of the benign plasma cell disorder to a malignant form of multiple myeloma.

6. The method of claim 1 , wherein said chimeric protein is administered as a pharmaceutical composition comprising said chimeric protein and a

pharmaceutical carrier, adapted for treatment of said multiple myeloma, said benign plasma cell disorder or said premalignant forms of multiple myeloma.

7. The method of claim 6 , wherein said multiple myeloma is selected from the group consisting of multiple myeloma cancers which produce light chains of kappa-type and/or light chains of lambda-type; aggressive multiple myeloma; smoldering multiple myeloma (SMM), indolent multiple myeloma, and primary amyloidosis.

8. The method of claim 7 , wherein said multiple myeloma is primary plasma cell leukemia (PCL).

9. The method of claim 6 , wherein said benign plasma cell disorder is selected from the group consisting of MGUS (monoclonal gammopathy of undetermined significance) and/or Waldenstrom's macroglobulinemia (WM, also known as lymphoplasmacytic lymphoma) which may proceed to multiple myeloma.

10. The method of claim 9 , to halt the progression of the benign plasma cell disorder to a malignant form of multiple myeloma.

11. A method of treating multiple myeloma, benign plasma cell disorder or premalignant forms of multiple myeloma in a subject, comprising administering to the subject a CTLA4-FasL chimeric protein.

12. The method of claim 11 , wherein cells of said multiple myeloma, said benign plasma cell disorder or said premalignant forms of multiple myeloma express B7.

13. The method of claim 11 , wherein said multiple myeloma is selected from the group consisting of multiple myeloma cancers which produce light chains of kappa-type and/or light chains of lambda-type; aggressive multiple myeloma; smoldering multiple myeloma (SMM), indolent multiple myeloma, and primary amyloidosis.

14. The method of claim 13 , wherein said aggressive multiple myeloma is primary plasma cell leukemia (PCL).

15. The method of claim 11 , wherein said benign plasma cell disorder is selected from the group consisting of MGUS (monoclonal gammopathy of undetermined significance) and/or Waldenstrom's macroglobulinemia (WM, also known as lymphoplasmacytic lymphoma) which may proceed to multiple myeloma.

16. The method of claim 15 , to halt the progression of the benign plasma cell disorder to a malignant form of multiple myeloma.

17. The method of claim 11 , wherein said chimeric protein is administered as a pharmaceutical composition comprising said chimeric protein and a pharmaceutical carrier, adapted for treatment of said multiple myeloma, said benign plasma cell disorder or said premalignant forms of multiple myeloma.

18. The method of claim 17 , wherein cells of said multiple myeloma, said benign plasma cell disorder or said premalignant forms of multiple myeloma express B7.

19. The method of claim 17 , wherein said multiple myeloma is selected from the group consisting of multiple myeloma cancers which produce light chains of kappa-type and/or light chains of lambda-type; aggressive multiple myeloma; smoldering multiple myeloma (SMM), indolent multiple myeloma, and primary amyloidosis.

20. The method of claim 19 , wherein said multiple myeloma is primary plasma cell leukemia (PCL).

21. The method of claim 11 , wherein said benign plasma cell disorder is selected from the group consisting of MGUS (monoclonal gammopathy of undetermined significance) and/or Waldenstrom's macroglobulinemia (WM, also known as lymphoplasmacytic lymphoma) which may proceed to multiple myeloma.

22. The method of claim 21 , to halt the progression of the benign plasma cell disorder to a malignant form of multiple myeloma.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 31, 2017
From: DRANITZKI-ELHALEL, MICHAL
To: KAHR MEDICAL (2005) LTD; HADASIT MEDICAL RESEARCH SERVICE AND DEVELOPMENT LTD.
Reel/Frame 043139/0885 →
CHANGE OF NAME Recorded Jul 31, 2017
From: KAHR MEDICAL (2005) LTD
To: KAHR MEDICAL LTD
Reel/Frame 043378/0285 →
Continuity (3)
Continuation 13824423
Provisional Application 61387073 · Sep 28, 2010
Related Publication 20160340409A1 · Nov 24, 2016