Joe Pantoliano and newcomer Devon Gearhart also star in Joseph Greco's film, which will receive its European premiere in Berlin and centres on a family's desperate struggle to come to terms with the illness.
Pantoliano produced with Sharon Lane, Adam Hammel, Lucy Hammel and Bill Erfurth.
Also receiving European premieres are Giacomo Martelli's international spy thriller The Listening and John Jeffcoat's comedy Outsourced.
The Listening stars Michael Parks, Maya Sansa, and Andrea Tidona. Martelli produced with Daniel Armas, Bob Reynolds, Paolo Rossetti and Nicolai Iuul.
Outsourced received its world premiere at Toronto last autumn and stars John Hamilton as an American novelty products salesman who heads to India to train his replacement.
The ShadowCatcher Entertainment and Tom Gorai co-production was produced by Tom Gorai, with David Skinner and George Wing serving as executive producers.
Cinemavault sales titles include Interview and This Filthy World, which as previously announced will both screen in the Panorama programme.
The company holds worldwide rights to Interview, Steve Buscemi's English-language remake of Theo Van Gogh's drama that stars Sienna Miller and received its world premiere at Sundance earlier this month.
Cinemavault holds international rights to This Filthy World, John Waters' autobiographical stand-up comedy that premiered at Toronto last autumn. Jeff Garlin directed and domestic rights holder Netflix served as producer.