Dreamkiller (2010)
Dreamkiller is a 2010 Psychological thriller directed by Catherine Pirotta and starring Dario Deak and John Colton, who portray a scientific team of two doctors who embark on a research project to cure fear-ridden, phobic patients of all varieties. Just as fame and honor creep into the lives of Doctor Nicholas Nemet (Dario Deak), and Doctor Marvin Stalberg (John Colton), a series of murders occurs among cured patients which mirror the victims’ initial homicidal fears.
More at Wikipedia.