CNBC.com | FDA approves first drug formulated for children with rare brain tumor FDA.gov FDA approves first drug formulated for children with rare brain tumor. The U.S. Food and Drug Administration today approved Afinitor Disperz (everolimus tablets for oral suspension), a new pediatric dosage form of the anti-cancer drug Afinitor ... Afinitor Disperz Approved for Rare Pediatric Cancer |