Watch: Barbara Palvin Shares Endometriosis DiagnosisTim Drury and Kelsey Drury are watching a miracle unfold. Indeed, after their 2-year-old son Jack was diagnosed with Infantile Neuroaxonal Dystrophy (INAD)-an extremely rare and fatal neurodegenerative disorder-the couple launched Jack's Miracle Mission to ask their community for help launching the first-ever INAD gene therapy clinical trial.