Engineered interleukin-2 cytokine compositions and methods of use

CN122935554APending Publication Date: 2026-10-16OUTPACE BIO INC
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Patent Information

Application Number
CN202480055166.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-07-13
Filing Date
2024-07-12
Publication Date
2026-10-16

AI Technical Summary

Technical Problem

[0004]IL-2已显示出作为抗癌免疫疗法的前景,但功效及安全性被Treg细胞的优先刺激所导致的剂量限制性毒性及IL-2Rα结合所导致的剂量限制性毒性减弱

Benefits of technology

[0066] This invention provides a method for treating a disease or condition, comprising administering to an individual an effective amount of a polypeptide, nucleic acid, carrier, cell, or pharmaceutical composition as described herein, wherein the severity of signs or symptoms of the disease or condition is reduced, thereby treating the disease or condition. This invention also provides a method for preventing a disease or condition, comprising administering to an individual an effective amount of a polypeptide, nucleic acid, carrier, cell, or pharmaceutical composition as described herein, wherein the onset or recurrence of signs or symptoms of the disease or condition is delayed or inhibited, thereby preventing the disease or condition. In some embodiments, the disease or condition includes cancer or a subtype thereof. In some embodiments, the cancer or its subtype includes liquid cancer. In some embodiments, the cancer or its subtype includes hematologic cancer. In some embodiments, the cancer or its subtype includes solid cancer.

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Abstract

The present disclosure provides a polypeptide comprising: (a) a sequence comprising alpha helices H1, H2, H3, and H4, wherein, from amino terminus to carboxy terminus, a first loop (L1) connects H1 and H4, a second loop (L2) connects H4 and H2, a third loop (L3) connects H2 and H3, wherein the polypeptide binds to an IL-2 receptor beta-gamma (IL-2Rβγ); and (b) a targeting moiety that binds to a sequence of a cluster of differentiation 8 (CD8) glycoprotein.
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