Patients with chronic spontaneous urticaria who remain symptomatic despite H1 antihistamine treatment now have a new oral treatment option, with the U.S. FDA’s approval of Novartis AG’s Rhapsido (remibrutinib), a Bruton’s tyrosine kinase inhibitor administered by pill twice daily.
Celldex Inc.’s KIT inhibitor, barzolvolimab, which hit its phase II endpoints in late 2023, kicking off phase III development in chronic spontaneous urticaria, offered up some impressive long-term findings at the EAACI Congress 2025, including complete responses in patients for as long as seven months after the cessation of therapy, which analysts said could position the drug as a potentially best-in-class option.
THB-335 is an oral inhibitor of mast/stem cell growth factor receptor Kit (KIT), which regulates the activation and migration of mast cells, making it a relevant therapeutic target for inflammatory and allergic processes.
At the recent AAAAI/WAO meeting, Blueprint Medicines Corp. presented the in vitro and in vivo characterization of BLU-808, a selective inhibitor of wild-type KIT, a transmembrane receptor tyrosine kinase involved in mast cell activation, proliferation and chemotaxis.
The closely watched chronic spontaneous urticaria (CSU, or hives) space chalked more early stage KIT inhibitor data as Third Harmonic Bio Inc. rolled out results from the phase I single and multiple ascending-dose trial with THB-335 in healthy volunteers, along with plans to move the oral candidate into phase II development by the middle of 2025.
Enanta Pharmaceuticals Inc. has discovered mast/stem cell growth factor receptor kit (KIT; c-KIT; CD117) inhibitors reported to be useful for the treatment of cancer, autoimmune disease, fibrosis, pulmonary arterial hypertension, irritable bowel syndrome, inflammatory, dermatological and respiratory disorders, among others.
Enanta Pharmaceuticals Inc. has announced the expansion of its immunology portfolio with the nomination of a new development candidate and the introduction of a new discovery program.
Mast/stem cell growth factor receptor KIT is a receptor tyrosine kinase that plays a key role in mast cell differentiation, proliferation, survival and activation.
Blueprint Medicines Corp. has identified KIT (c-KIT) (mutant) inhibitors reported to be useful for the treatment of gastrointestinal stromal tumors (GIST).
Peptidream Inc. and Modulus Discovery Inc. have nominated the first clinical development candidate arising from the companies’ strategic drug discovery partnership.
