Ultra-rare coding variants in schizophrenia risk genes are associated with longitudinal phenotypic differences across psychotic disorders
Anders J. Kämpe, Julia Sealock, Evan Jeffrey Giangrande, Calwing Liao, Emilia Vartiainen, Jaana Suvisaari, Markku Lahteenvuo, Tiina Paunio, Lea Urpa, Olli Kampman, Annamari Tuulio‐Henriksson, Jouko K Lönnqvist, Erkki Tapio Isometsä, Tuula Kieseppä, Kaisla Lahdensuo, , Olli P. H. Pietiläinen
This study identifies ultra-rare damaging variants in schizophrenia risk genes and shows they are associated with earlier hospitalizations, greater childhood adversity, and poorer neuropsychological outcomes across psychotic disorders.
medRxiv · Nov 1, 2026 · PreprintGenetic & Genomic Medicine