Timber Pharma Wins Orphan Status for Sitaxsentan
FDA has granted Timber Pharmaceuticals an orphan drug designation for TMB-003, the company’s locally delivered formulation of sitaxsentan, indicated for treating systemic sclerosis. The condition can be disfiguring and may cover joints and cause pain that affects movement and mobility, the company says. It describes sitaxsentan as a highly selective endothelin receptor antagonist, which is a class of drugs previously developed for treating pulmonary arterial hypertension. “TMB-003 is a locally delivered formulation of sitaxsentan that has the potential to reduce collagen while addressing systemic safety concerns associated with oral administration,” Timber says, adding that the therapy is in preclinical stages with an IND projected to be submitted in 2022.