Simplify the following text for a Grade 10 native English-speaking person.
Original: Biricodar ( INN , codename VX-170 , marketed as the dicitrate salt under the trade name Incel ) is a pharmaceutical drug released by Vertex Pharmaceuticals in 1999 to help treat ovarian cancer patients .
Simplified: Biricodar is dicitrate salt called Incel . It is a pharmaceutical drug made by Vertex Pharmaceuticals in 1999 to help treat ovarian cancer patients .