Small molecule Drugs

Propargylcysteine (ZYZ-802):

A novel compound synthesized and extracted from garlic, a natural source product, capable of alleviating inflammatory responses in rheumatoid arthritis by modulating the Nrf2-ARE signaling pathway.

Mechanism of Action Schematic
Experimental Data Presentation

Propargylcysteine (ZYZ-802) Development Milestones

2016
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2016

Target Hypothesis Proposed

Professor Zhu Yizhun led the drug development team in first proposing the CSE (cystathionine γ-lyase) target as a novel therapeutic approach for rheumatoid arthritis in ELSEVIER, a globally renowned academic journal.

2018
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2018

Mechanism Published in Prestigious Journal

The novel mechanism of propargylcysteine (ZYZ-802) and JMJD3 inhibitors for rheumatoid arthritis treatment was published in a Nature sub-journal.

2022
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2022

Science Recognition

CSE (cystathionine γ-lyase) was selected by Science as one of the top 10 global drug targets.

2025
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2025

Preclinical Submission

Propargylcysteine (ZYZ-802) completed preclinical research submission as a first-in-class new drug.

Selected Indications Under Investigation

Rheumatoid Arthritis

Rheumatoid Arthritis

Alzheimer's Disease

Alzheimer’s Disease

Myocardial Injury

Myocardial Injury

Infectious Diarrhea

Infectious Diarrhea

Diabetic Foot Wound Repair and Skin Regeneration

Diabetic Foot Wound Repair
and Skin Regeneration

Intellectual Property

11 Granted Chinese Patents
1 Granted U.S. Patent
with 1 application pending
1 PCT International Patent
2 Applications Pending