Dark Asylum(2001)

Terror is the only sane response.

Asylum is a taut psychological thriller about a deranged fearsome killer running lose in an abandoned high security Asylum. Pitting the county psychiatrist Dr. Maggie Belham against the psychotic maniac, Dr Belham is trapped in a maze of corridors, and her only help is the janitor, Quitz who may in fact be a forgotten asylum inmate.