Prodromal Questionnaire: translation, adaptation to Portuguese and preliminary results in ultra-high risk individuals and first episode psychosis

objective: the prodromal questionnaire (pq) is a 92-item self-report screening tool for individuals at ultra-high risk (uhr) to develop psychosis. this study aims to present the translation to portuguese and preliminary results in uhr and first episode (fe) psychosis in a portuguese sample. methods: the pq was translated from english to portuguese by two bilingual researchers from the research program on early psychosis of the instituto de psiquiatria hcfmusp, s？o paulo, brazil (asas - "evaluation and follow up of adolescents and young adults in s？o paulo") and back translated by two other researchers. the study participants (n = 11-) were evaluated through the portuguese version of the prodromal questionnaire (pq) and sips. results: the individuals at uhr (n = 7) presented a lower score than first episode patients (n = 4). the uhr mean scores and standard deviation on portuguese version of the pq were: 13.0 ± 10.0 points on positive symptoms subscale, and fe patients: 33.0 ± 10.0. conclusion: the uhr and fe patients' of this study presented pq scores similar to the ones found in the literature; what suggests that it is possible to use the pq in brazilian help-seeking individuals as a screening tool.