A case of autoimmune pulmonary alveolar proteinosis responding to oral statin therapy
Respiratory Medicine Case Reports(2024)
Abstract
There is no approved drug treatment for autoimmune pulmonary alveolar proteinosis (APAP), although traditionally requires complex treatments such as whole lung lavage (WLL). We herein report on a 67-year-old man diagnosed with APAP. Treatment with atorvastatin (5 mg daily) resulted in significant improvement in symptoms, lung function, and computed tomography findings, with enhanced oxygenation, although serum anti-GM-CSF antibody levels remained elevated. This case suggests that the remission observed in this case could potentially be attributed to a direct effect of atorvastatin within the pulmonary alveoli. Statins may be considered as one of the treatment options for APAP.
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