Molbreevi is the conditionally accepted trade name for molgramostim inhalation solution being developed by Savara for autoimmune pulmonary alveolar proteinosis (aPAP). It is a recombinant human GM-CSF product intended to activate alveolar macrophages and improve surfactant clearance and oxygenation. The product remains investigational and is not approved in any indication.
Drug Class
Recombinant human granulocyte-macrophage colony-stimulating factor (GM-CSF)
Approval Status
Not approved (investigational)
Mechanism of Action
Inhaled molgramostim is intended to activate alveolar macrophages and restore surfactant-clearing activity in the lung
The FDA extended by three months the review period for Savara's MOLBREEVI biologics license application in autoimmune pulmonary alveolar proteinosis, moving the PDUFA date to Nov. 22, 2026. Savara had previously said the FDA filed the application after a resubmission tied to manufacturing data and a transfer to Fujifilm.
The FDA has accepted Savara’s BLA for MOLBREEVI in autoimmune PAP and granted Priority Review with an action date of August 22, 2026. The application includes data showing improved pulmonary gas transfer, quality of life, and clinical symptoms.
The FDA has accepted Savara's Biologics License Application for Molbreevi in autoimmune pulmonary alveolar proteinosis, granted priority review, and set a PDUFA action date of August 22, 2026. The company plans to file marketing authorization applications in the EU and UK by the end of March.
Savara Inc. announced the FDA has filed for review the BLA for MOLBREEVI to treat autoimmune PAP, granting Priority Review with a PDUFA action date of August 22, 2026. The therapy could become the first approved treatment for this rare lung disease.