Complex sentence: The Compassionate Investigational New Drug program, or Compassionate IND, is a United States Federal Government-run Investigational New Drug program established in 1978 that allows a limited number of patients to use medical marijuana grown at the University of Mississippi.
Split into simpler sentences: The Compassionate Investigational New Drug program, or Compassionate IND, is a Investigational New Drug program run by the federal government of the United States. It was established in 1978 that allows a limited number of patients to use medical marijuana grown at the University of Mississippi.