There have been several articles written worldwide about Hermansky-Pudlak syndrome associated colitis in types 1 and 4. This article from France as shown that using immunosuppressive drugs such as Remicade led to a positive response in the granulomatous colitis of a patient with HPS. The patient’s immune system attacks the body’s own tissue and Remicade suppresses this reaction. Research is an ongoing process with science giving hope and cures.