| A randomised multicentre trial of integrated versus standard treatment for patients with a first episode of psychotic illness L Petersen, P Jeppesen, A Thorup, MB Abel, J Øhlenschlæger, ... Bmj 331 (7517), 602, 2005 | 672 | 2005 |
| Five-year follow-up of a randomized multicenter trial of intensive early intervention vs standard treatment for patients with a first episode of psychotic illness: the OPUS trial M Bertelsen, P Jeppesen, L Petersen, A Thorup, J Øhlenschlæger, ... Archives of general psychiatry 65 (7), 762-771, 2008 | 566 | 2008 |
| OPUS study: suicidal behaviour, suicidal ideation and hopelessness among patients with first-episode psychosis: one-year follow-up of a randomised controlled trial M Nordentoft, P Jeppesen, M Abel, P Kassow, L Petersen, A Thorup, ... The British Journal of Psychiatry 181 (S43), s98-s106, 2002 | 399 | 2002 |
| Gender differences in young adults with first-episode schizophrenia spectrum disorders at baseline in the Danish OPUS study A Thorup, L Petersen, P Jeppesen, J Ohlenschlæger, T Christensen, ... The Journal of nervous and mental disease 195 (5), 396-405, 2007 | 267 | 2007 |
| Transition rates from schizotypal disorder to psychotic disorder for first-contact patients included in the OPUS trial. A randomized clinical trial of integrated treatment and … M Nordentoft, A Thorup, L Petersen, J Øhlenschlæger, M Melau, ... Schizophrenia Research 83 (1), 29-40, 2006 | 233 | 2006 |
| Suicidal behaviour and mortality in first-episode psychosis: the OPUS trial M Bertelsen, PIA Jeppesen, L Petersen, A Thorup, P Le Quach, ... The British journal of psychiatry 191 (S51), s140-s146, 2007 | 232 | 2007 |
| Predictors of recovery from psychosis: analyses of clinical and social factors associated with recovery among patients with first-episode psychosis after 5 years N Albert, M Bertelsen, A Thorup, L Petersen, P Jeppesen, P Le Quack, ... Schizophrenia research 125 (2-3), 257-266, 2011 | 231 | 2011 |
| Improving 1-year outcome in first-episode psychosis: OPUS trial L Petersen, M Nordentoft, P Jeppesen, A Thorup, TØ Christensen, ... The British journal of psychiatry 187 (S48), s98-s103, 2005 | 216 | 2005 |
| Predictors of recovery in first episode psychosis: the OPUS cohort at 10 year follow-up SF Austin, O Mors, RG Secher, CR Hjorthøj, N Albert, M Bertelsen, ... Schizophrenia research 150 (1), 163-168, 2013 | 212 | 2013 |
| Integrated treatment ameliorates negative symptoms in first episode psychosis—results from the Danish OPUS trial A Thorup, L Petersen, P Jeppesen, J Øhlenschlæger, T Christensen, ... Schizophrenia research 79 (1), 95-105, 2005 | 211 | 2005 |
| Long-term trajectories of positive and negative symptoms in first episode psychosis: a 10 year follow-up study in the OPUS cohort SF Austin, O Mors, E Budtz-Jørgensen, RG Secher, CR Hjorthøj, ... Schizophrenia research 168 (1-2), 84-91, 2015 | 200 | 2015 |
| Integrated treatment of first-episode psychosis: effect of treatment on family burden: OPUS trial PIA Jeppesen, L Petersen, A Thorup, MB Abel, TØ Christensen, G Krarup, ... The British Journal of Psychiatry 187 (S48), s85-s90, 2005 | 192 | 2005 |
| Ten-year follow-up of the OPUS specialized early intervention trial for patients with a first episode of psychosis RG Secher, CR Hjorthøj, SF Austin, A Thorup, P Jeppesen, O Mors, ... Schizophrenia Bulletin 41 (3), 617-626, 2015 | 164 | 2015 |
| The association between pre-morbid adjustment, duration of untreated psychosis and outcome in first-episode psychosis P Jeppesen, L Petersen, A Thorup, MB Abel, J Øhlenschlaeger, ... Psychological medicine 38 (8), 1157-1166, 2008 | 158 | 2008 |
| Cost-effectiveness of early intervention in first-episode psychosis: economic evaluation of a randomised controlled trial (the OPUS study) LH Hastrup, C Kronborg, M Bertelsen, P Jeppesen, P Jorgensen, ... The British Journal of Psychiatry 202 (1), 35-41, 2013 | 157 | 2013 |
| Gender differences in first-episode psychosis at 5-year follow-up–two different courses of disease? Results from the OPUS study at 5-year follow-up A Thorup, N Albert, M Bertelsen, L Petersen, P Jeppesen, P Le Quack, ... European Psychiatry 29 (1), 44-51, 2014 | 143 | 2014 |
| Young males have a higher risk of developing schizophrenia: a Danish register study A Thorup, BL Waltoft, CB Pedersen, PB Mortensen, M Nordentoft Psychological medicine 37 (4), 479-484, 2007 | 141 | 2007 |
| Predictors of remission and recovery in a first-episode schizophrenia spectrum disorder sample: 2-year follow-up of the OPUS trial L Petersen, A Thorup, J Øqhlenschlæger, TØ Christensen, P Jeppesen, ... The Canadian Journal of Psychiatry 53 (10), 660-670, 2008 | 132 | 2008 |
| How successful are first episode programs? A review of the evidence for specialized assertive early intervention M Nordentoft, JØ Rasmussen, M Melau, CR Hjorthøj, AAE Thorup Current opinion in psychiatry 27 (3), 167-172, 2014 | 129 | 2014 |
| Course of illness in a sample of 265 patients with first-episode psychosis—five-year follow-up of the Danish OPUS trial M Bertelsen, P Jeppesen, L Petersen, A Thorup, J Øhlenschlæger, ... Schizophrenia research 107 (2-3), 173-178, 2009 | 129 | 2009 |
