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USPTO Patent Application for Multivalent CLTX-CAR γδ T-cells

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Published March 19th, 2026
Detected March 23rd, 2026
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Summary

The USPTO has published a patent application (US20260078529A1) for multivalent CLTX-CAR γδ T-cells, which are designed for treating cancer or tumors. The application details specific T-cell compositions, pharmaceutical formulations, and methods of co-administering these cells with chemotherapeutic agents.

What changed

This document is a publication of a United States Patent Application (US20260078529A1) filed by inventors Lei DING and Lawrence S. LAMB, JR. The application describes novel γδ T-cells engineered to express a multivalent Chlorotoxin Chimeric Antigen Receptor (CLTX-CAR) along with a survival factor. It also covers pharmaceutical compositions and methods for treating cancer or tumors by administering these engineered T-cells, potentially in conjunction with a chemotherapeutic agent to which the survival factor confers resistance.

As this is a patent application publication, it does not impose immediate compliance obligations on regulated entities. However, it signals potential future developments in cancer therapeutics and immunotherapy. Companies involved in drug development, cell therapy, and oncology research should monitor this and related patent filings for insights into emerging technologies and potential intellectual property landscapes in the field.

Source document (simplified)

← USPTO Patent Applications

Multivalent Chlorotoxin Chimeric Antigen Receptors

Application US20260078529A1 Kind: A1 Mar 19, 2026

Inventors

Lei DING, Lawrence S. LAMB, JR.

Abstract

Described are γδ T-cells that express a multivalent CLTX-CAR and also express a survival factor, a population of the γδ T-cells that express a multivalent CLTX-CAR and the survival factor, pharmaceutical compositions thereof, and methods of treating cancer or a tumor in a subject comprising administering to a subject an effective amount of the multivalent CLTX-CAR γδ T-cells and co-administering a chemotherapeutic agent, e.g., the chemotherapeutic agent to which the survival factor confers resistance.

CPC Classifications

C40B 40/02 A61K 40/11 A61K 40/31 A61K 40/429 C07K 14/43522 C07K 14/70521 A61K 2239/47 C07K 2317/21 C07K 2317/24 C07K 2317/622

Filing Date

2025-04-09

Application No.

19174283

View original document →

Named provisions

Multivalent Chlorotoxin Chimeric Antigen Receptors

Classification

Agency
USPTO
Published
March 19th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
US20260078529A1

Who this affects

Applies to
Drug manufacturers Pharmaceutical companies Medical device makers
Industry sector
3254 Pharmaceutical Manufacturing 3345 Medical Device Manufacturing
Activity scope
Drug Development Cancer Therapy
Geographic scope
United States US

Taxonomy

Primary area
Healthcare
Operational domain
Research & Development
Compliance frameworks
FDA 21 CFR Part 11 GxP
Topics
Pharmaceuticals Medical Devices

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