IP Library Granted Patent US 12,427,152
Granted Patent B2
US 12,427,152 · App. 16/317,766 · Granted Sep 30, 2025

HDAC inhibitors for use with NK cell based therapies

Inventors: James N. Woody (Cardiff, CA); Patrick Soon-Shiong (Culver City, CA)
Assignees: Viracta Therapeutics, Inc.; Nantkwest, Inc.
A61K31/522A61K9/0053A61K31/4709A61K31/506A61K38/15A61K38/177A61K38/1774A61K39/3955A61K39/39558A61K40/11A61K40/31A61K40/46A61K45/06A61P31/22A61P35/00A61P35/04C12N9/80A61K2039/505A61K2239/31A61K2239/38A61K2239/48A61K2239/51
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Quick Facts
Patent No.
US 12,427,152
App. No.
16/317,766
Granted
Sep 30, 2025
Kind
B2
Abstract

Provided are methods and compositions for the treatment of cancer. The methods comprise administering to a subject an HDAC inhibitor and an immunotherapeutic agent. In certain instances the immunotherapeutic is an NK cell or a chimeric antigen receptor NK cell.

Claims (9)

1. A method for treating an androgen-independent prostate cancer in an individual afflicted with the androgen-independent prostate cancer, the method comprising administering to the individual afflicted with the androgen-independent prostate cancer:

a) CHR-3996 (2-(6-{[(6-Fluoroquinolin-2-yl)methyl]amino}-3-azabicyclo[3.1.0]hex-3-yl)-N-hydroxypyrimidine-5-carboxamide); and

b) a primary human NK cell.

2. The method of claim 1 , wherein CHR-3996 is administered orally.

3. The method of claim 1 , wherein CHR-3996 is administered at a dose of less than 40 mg per day.

4. The method of claim 1 , wherein CHR-3996 is administered at a dose of less than 20 mg per day.

5. The method of claim 1 , wherein CHR-3996 is administered prior to the administration of the primary human NK cell.

6. The method of claim 1 , wherein CHR-3996 is administered during the administration of the primary human NK cell.

7. The method of claim 1 , wherein CHR-3996 is administered after the administration of the primary human NK cell.

Assignments (3)
SECURITY INTEREST Recorded Jan 2, 2024
From: IMMUNITYBIO, INC.; NANTCELL, INC.; RECEPTOME, INC.; VBC HOLDINGS LLC; ALTOR BIOSCIENCE, LLC; ETUBICS CORPORATION; IGDRASOL, INC.
To: INFINITY SA LLC, AS PURCHASER AGENT
Reel/Frame 066179/0074 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 2, 2019
From: SOON-SHIONG, PATRICK
To: NANTKWEST, INC.
Reel/Frame 049067/0186 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 2, 2019
From: WOODY, JAMES N.
To: VIRACTA THERAPEUTICS, INC.
Reel/Frame 049078/0130 →
Continuity (2)
Provisional Application 62362959 · Jul 15, 2016
Related Publication 20190290646A1 · Sep 26, 2019
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