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USPTO Patent for Anti-CD123 Immunoconjugates Treating AML

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Summary

The USPTO has published a patent application (US20260083749A1) for anti-CD123 immunoconjugates, such as pivekimab sunirine, for treating acute myeloid leukemia (AML). The patent covers methods of use as monotherapies or in combination with other agents to achieve remission or prepare patients for transplant.

What changed

This document is a USPTO patent application (US20260083749A1) concerning anti-CD123 immunoconjugates for treating acute myeloid leukemia (AML). The patent claims methods and uses of these immunoconjugates, including pivekimab sunirine, as monotherapies or in combination with BCL-2 inhibitors (e.g., venetoclax) or hypomethylating agents (e.g., azacitidine, decitabine). The stated purpose is to prepare AML patients for hematopoietic stem cell transplant and to achieve complete remissions, particularly in patients with poor prognostic markers.

As this is a patent application, it does not impose direct compliance obligations on regulated entities. However, it signifies potential future intellectual property rights and market exclusivity for specific treatments related to AML. Companies involved in the development or commercialization of AML therapies, particularly those utilizing immunoconjugates or combination therapies involving BCL-2 inhibitors or hypomethylating agents, should be aware of this filing for competitive intelligence and potential licensing considerations.

Source document (simplified)

← USPTO Patent Applications

ANTI-CD123 IMMUNOCONJUGATES FOR THE TREATMENT OF ACUTE MYELOID LEUKEMIA

Application US20260083749A1 Kind: A1 Mar 26, 2026

Inventors

Patrick Zweidler-McKay

Abstract

Methods and uses of immunoconjugates that bind to CD123 (e.g., pivekimab sunirine) in patients with acute myeloid leukemia (AML) are provided. Such immunoconjugates can be used as monotherapies or can be used in combination with BCL-2 inhibitors (e.g., venetoclax), and/or hypomethylating agents (e.g., azacitidine or decitabine) to prepare patients with AML for hematopoietic stem cell transplant and/or to achieve complete remissions in patients with AML, including those with poor prognostic markers.

CPC Classifications

A61K 31/5513 A61K 31/575 A61K 31/7068 A61K 35/28 A61K 47/6845 A61P 35/02

Filing Date

2025-05-09

Application No.

19204211

View original document →

Classification

Agency
USPTO
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
US20260083749A1

Who this affects

Applies to
Drug manufacturers Pharmaceutical companies
Industry sector
3254 Pharmaceutical Manufacturing 3254.1 Biotechnology
Activity scope
Drug Development Cancer Treatment
Geographic scope
United States US

Taxonomy

Primary area
Pharmaceuticals
Operational domain
Legal
Compliance frameworks
FDA 21 CFR Part 11 GxP
Topics
Oncology Biotechnology

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