Aldeyra Therapeutics Inc is a biotechnology company engaged in developing and commercializing next-generation medicines to improve the lives of patients with immune-mediated diseases. Aldeyra's product candidate, reproxalap, is a first-in-class treatment in late-stage development for dry eye diseases, allergic conjunctivities, noninfectious anterior uveitis, and Sjogren-Larsson Syndrome. The company is also developing other product candidates for proliferative vitreoretinopathy and other retinal disease, post-transplant lymphoproloferative disease, autoimmune disease, metabolic disease, and cancer. None of Aldeyra's product candidates have been approved for sale in the U.S. or elsewhere.