Marinus Pharmaceuticals, Inc., a clinical stage biopharmaceutical company, focuses on developing and commercializing therapeutics to treat epilepsy and neuropsychiatric disorders. The company is developing ganaxolone, a small molecule, which is in Phase III clinical trials to treat adults with refractory focal onset epileptic seizures; and is in Phase II clinical trials for the treatment of genetic orphan disorders, as well as is in Phase II clinical trial to treat Fragile X Syndrome, an orphan indication. The company is also developing ganaxolone IV formulation to treat status epilepticus. Marinus Pharmaceuticals, Inc. has a collaboration agreement with NovaMedica, LLC; and license agreement with Purdue Neuroscience Company. The company was founded in 2003 and is based in Radnor, Pennsylvania.