The validity of the 16-item version of the Prodromal Questionnaire (PQ-16) to screen for ultra high risk of developing psychosis in the general help-seeking population HK Ising, W Veling, RL Loewy, MW Rietveld, J Rietdijk, S Dragt, ... Schizophrenia bulletin 38 (6), 1288-1296, 2012 | 463 | 2012 |
Cognitive behavioral therapy for subjects at ultrahigh risk for developing psychosis: a randomized controlled clinical trial M van der Gaag, DH Nieman, J Rietdijk, S Dragt, HK Ising, RMC Klaassen, ... Schizophrenia bulletin 38 (6), 1180-1188, 2012 | 267 | 2012 |
Cannabis use and transition to psychosis in individuals at ultra-high risk: review and meta-analysis T Kraan, E Velthorst, L Koenders, K Zwaart, HK Ising, D van den Berg, ... Psychological medicine 46 (4), 673-681, 2016 | 160 | 2016 |
Detection of people at risk of developing a first psychosis: comparison of two recruitment strategies J Rietdijk, R Klaassen, H Ising, S Dragt, DH Nieman, J Van De Kamp, ... Acta Psychiatrica Scandinavica 126 (1), 21-30, 2012 | 95 | 2012 |
Four-year follow-up of cognitive behavioral therapy in persons at ultra-high risk for developing psychosis: the Dutch early detection intervention evaluation (EDIE-NL) trial HK Ising, TC Kraan, J Rietdijk, S Dragt, RMC Klaassen, N Boonstra, ... Schizophrenia Bulletin 42 (5), 1243-1252, 2016 | 87 | 2016 |
Cost-effectiveness of virtual reality cognitive behavioral therapy for psychosis: health-economic evaluation within a randomized controlled trial R Pot-Kolder, W Veling, C Geraets, J Lokkerbol, F Smit, A Jongeneel, ... Journal of medical Internet research 22 (5), e17098, 2020 | 86 | 2020 |
Cost-effectiveness of preventing first-episode psychosis in ultra-high-risk subjects: multi-centre randomized controlled trial HK Ising, F Smit, W Veling, J Rietdijk, S Dragt, RMC Klaassen, ... Psychological medicine 45 (7), 1435-1446, 2015 | 80 | 2015 |
Depression and social anxiety in help-seeking patients with an ultra-high risk for developing psychosis J Rietdijk, HK Ising, S Dragt, R Klaassen, D Nieman, L Wunderink, ... Psychiatry research 209 (3), 309-313, 2013 | 80 | 2013 |
A single blind randomized controlled trial of cognitive behavioural therapy in a help-seeking population with an At Risk Mental State for psychosis: the Dutch Early Detection … J Rietdijk, S Dragt, R Klaassen, H Ising, D Nieman, L Wunderink, ... Trials 11, 1-9, 2010 | 78 | 2010 |
CBT in the prevention of psychosis and other severe mental disorders in patients with an at risk mental state: a review and proposed next steps M van der Gaag, D van den Berg, H Ising Schizophrenia Research 203, 88-93, 2019 | 58 | 2019 |
Four-year cost-effectiveness of cognitive behavior therapy for preventing first-episode psychosis: The Dutch Early Detection Intervention Evaluation (EDIE-NL) trial HK Ising, J Lokkerbol, J Rietdijk, S Dragt, RMC Klaassen, T Kraan, ... Schizophrenia bulletin 43 (2), 365-374, 2017 | 55 | 2017 |
Individualized prediction of transition to psychosis in 1,676 individuals at clinical high risk: development and validation of a multivariable prediction model based on … A Malda, N Boonstra, H Barf, S De Jong, A Aleman, J Addington, ... Frontiers in psychiatry 10, 345, 2019 | 39 | 2019 |
COMT Val158Met genotype and cannabis use in people with an At Risk Mental State for psychosis: Exploring Gene x Environment interactions DH Nieman, S Dragt, EDA van Duin, N Denneman, JM Overbeek, ... Schizophrenia research 174 (1-3), 24-28, 2016 | 36 | 2016 |
The effect of childhood adversity on 4-year outcome in individuals at ultra high risk for psychosis in the Dutch Early Detection Intervention Evaluation (EDIE-NL) Trial TC Kraan, HK Ising, M Fokkema, E Velthorst, DPG van den Berg, ... Psychiatry research 247, 55-62, 2017 | 31 | 2017 |
Ethnicity and baseline symptomatology in patients with an At Risk Mental State for psychosis E Velthorst, DH Nieman, W Veling, RM Klaassen, S Dragt, J Rietdijk, ... Psychological Medicine 42 (2), 247-256, 2012 | 28 | 2012 |
Exposing therapists to trauma-focused treatment in psychosis: effects on credibility, expected burden, and harm expectancies DPG van den Berg, BM van der Vleugel, PAJM de Bont, G Thijssen, ... European Journal of Psychotraumatology 7 (1), 31712, 2016 | 25 | 2016 |
The distribution of self-reported psychotic-like experiences in non-psychotic help-seeking mental health patients in the general population; a factor mixture analysis J Rietdijk, M Fokkema, D Stahl, L Valmaggia, HK Ising, S Dragt, ... Social psychiatry and psychiatric epidemiology 49, 349-358, 2014 | 20 | 2014 |
Predicting trauma-focused treatment outcome in psychosis DPG van den Berg, BM van der Vleugel, PAJM de Bont, ABP Staring, ... Schizophrenia Research 176 (2-3), 239-244, 2016 | 18 | 2016 |
Development of a stage-dependent prognostic model to predict psychosis in ultra-high-risk patients seeking treatment for co-morbid psychiatric disorders HK Ising, S Ruhrmann, N Burger, J Rietdijk, S Dragt, RMC Klaassen, ... Psychological medicine 46 (9), 1839-1851, 2016 | 15 | 2016 |
Designing and testing of a health-economic markov model for prevention and treatment of early psychosis BFM Wijnen, FW Thielen, S Konings, T Feenstra, M Van Der Gaag, ... Expert review of pharmacoeconomics & outcomes research 20 (3), 269-279, 2020 | 13 | 2020 |