
UB339
TargetsIL-2R
IndicationsInflammatory bowel disease; Amyotrophic lateral sclerosis; Systemic lupus erythematosus
ClinicalCN - I
TherapeuticsImmunology & Inflammation; Neurology; Gastroenterology & Hepatology
ModalitiesRecombinant Protein
Exclusive Summary
- Demonstrates Best-in-Class (BIC) potential with selectivity for regulatory T cells (Tregs) proven in human Phase I trials, without activating pro-inflammatory cells, thus addressing the core safety challenge of IL-2 therapies.
- Features an innovative HSA-fusion design enabling an extended half-life, supporting a convenient subcutaneous, every-two-weeks (Q2W) dosing regimen with significant compliance and commercial advantages over existing therapies.
- Offers compelling "pipeline-in-a-product" value, supported by strong preclinical proof-of-concept in high-value indications like IBD, SLE, and ALS, making it highly attractive for partners looking to build an immunology franchise.
- Presents a de-risked asset with a clear mechanism of action, having successfully completed Phase I trials and leveraging a validated HSA-fusion technology, providing a solid foundation for partnership with established human safety and PD data.
Asset Materials

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