Allena Pharmaceuticals, Inc., a biopharmaceutical company, discovers, develops, and commercializes oral enzyme therapeutics to treat patients with rare and severe metabolic, and kidney disorders in the United States. Its lead product candidate is ALLN-346, a novel and urate degrading enzyme for patients with hyperuricemia and gout in the setting of advanced chronic kidney disease. The company was incorporated in 2011 and is headquartered in Newton, Massachusetts.