For the first time, a domestically produced ultra-long-acting TSLP bispecific antibody has been approved for clinical trials.

March 9, 2026  Source: drugdu 27

On March 9, the CDE website showed that SKB575 (HBM7575) injection, jointly submitted by Kelun Biotech and Harbour BioMed , was approved for clinical trials for the treatment of atopic dermatitis .

"/Public information shows that SKB575 is an ultra-long-acting bispecific antibody targeting thymic stromal lymphopoietin ( TSLP) , developed in collaboration between Kelun Biotech and Harbour BioMed , and has the best potential in its class globally .
In addition, Kelun Biotech and Harbour BioMed have collaborated to develop a TSLP monoclonal antibody , SKB378 ( HBM9378) , which is currently undergoing a Phase II clinical trial for asthma. In January 2025, SKB378 was licensed to Windward Bio under a NewCo agreement with an upfront and milestone payments of $970 million.
https://mp.weixin.qq.com/s/u1rDHGr8UnkPwwZ-w3R9SQ

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