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KLUS Pharma is the US subsidiary of Kelun-Biotech, a China-based corporation with a broad pipeline targeting unmet needs in oncology and other serious diseases. 

Our Company
City Skyline Across The Water

KLUS Pharma is based in Princeton, NJ and is the wholly-owned U.S. subsidiary of Kelun-Biotech, a corporation based in Chengdu, China. 

Image by Tim Bogdanov

We strive to discover and develop innovative biologics for the treatment of cancer and other serious diseases, addressing unmet needs and creating affordable medicines.

Image by Michael Longmire

We have a rich pipeline of small and large molecules targeting solid tumors and other indications with multiple ongoing clinical trials. 

About KLUS
Our Approach
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Our antibodies undergo affinity maturation, humanization, and Fc engineering, generating lead candidates with optimal efficacy and safety.

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Our platform supports a wide variety of bispecific designs which allows for flexibility in selecting the optimal design based on intended MOA. 

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Our third-generation ADC platform allows for site-specific conjugation of potent warheads to antibodies, with a variety of linkers and tunable DAR. 

Sep 25, 2025

KLUS Pharma to attend the 16th World ADC San Diego summit from November 3-6, 2025.

Sep 25, 2025

Kelun-Biotech will present multiple clinical updates for key ADC programs at upcoming ESMO 2025 in Berlin, Germany from October 17-21.

Apr 24, 2025

Kelun-Biotech will present the results from six clinical studies at the 2025 ASCO Annual Meeting including for innovative TROP2 ADC, anti-PD-L1 antibody, and novel RET fusion inhibitor.

Recent News

©2023 by KLUS Pharma Inc.

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