A Study of ORX750 in Participants With Narcolepsy and Idiopathic Hypersomnia — StellaPhase 2 — Testing in a larger group (up to a few hundred people) to further evaluate safety and begin to assess effectiveness.
Trial locations(29 sites)
United States
Auburn, Alabama, Auburn, Alabama Chandler, Arizona, Chandler, Arizona Scottsdale, Arizona, Scottsdale, Arizona Long Beach, California, Long Beach, California Santa Ana, California, Santa Ana, California Brandon, Florida, Brandon, Florida Miami, Florida, Miami, Florida Miami, Florida, Miami, Florida Orlando, FL, Orlando, Florida Winter Park, Florida, Winter Park, Florida Atlanta, Georgia, Atlanta, Georgia Atlanta, Georgia, Atlanta, Georgia Riverdale, Georgia, Riverdale, Georgia New Orleans, Louisiana, New Orleans, Louisiana Newton, Massachusetts, Newton, Massachusetts Southfield, Michigan, Southfield, Michigan Sterling Heights, Michigan, Sterling Heights, Michigan Henderson, Nevada, Henderson, Nevada Denver, North Carolina, Denver, North Carolina Huntersville, North Carolina, Huntersville, North Carolina Cincinnati, Ohio, Cincinnati, Ohio Cleveland, OH, Cleveland, Ohio Dublin, Ohio, Dublin, Ohio Willow Grove, Pennsylvania, Willow Grove, Pennsylvania Columbia, South Carolina, Columbia, South Carolina North Charleston, South Carolina, North Charleston, South Carolina Austin, Texas, Austin, Texas San Antonio, Texas, San Antonio, Texas Canada
Toronto, Ontario, Toronto, Ontario Last updated October 2025