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CD80 extracellular domain Fc fusion proteins for treating PD-L1 negative tumors

Grant US12589132B2 Kind: B2 Mar 31, 2026

Assignee

FIVE PRIME THERAPEUTICS, INC.

Inventors

Susannah D. Barbee, Thomas Brennan, Barbara Sennino

Abstract

The present disclosure provides methods of treating PD-L1 negative tumors, the methods comprising administering fusion proteins comprising the extracellular domain of human cluster of differentiation 80 (CD80) and the fragment crystallizable (Fc) domain of human immunoglobulin G 1 (IgG1).

CPC Classifications

A61K 38/1774 A61K 38/177 A61K 38/00 A61P 35/00 G01N 33/57492 G01N 2333/70532 G01N 2800/52 C12Q 2600/106 C12Q 2600/158 C12Q 1/6886 C07K 14/70532 C07K 2319/30

Filing Date

2020-02-21

Application No.

17432640

Claims

22