Johnny Downs
Johnny Downs
NIHR Clinician Scientist, IOPPN, King's College London
Verified email at kcl.ac.uk - Homepage
Title
Cited by
Cited by
Year
Cohort profile of the South London and Maudsley NHS Foundation trust biomedical research centre (SLAM BRC) case register: current status and recent enhancement of an electronic …
G Perera, M Broadbent, F Callard, CK Chang, J Downs, R Dutta, ...
BMJ open 6 (3), e008721, 2016
2822016
The effect of clozapine on premature mortality: an assessment of clinical monitoring and other potential confounders
RD Hayes, J Downs, CK Chang, RG Jackson, H Shetty, M Broadbent, ...
Schizophrenia bulletin 41 (3), 644-655, 2015
1152015
Persisting psychotic-like experiences are associated with both externalising and internalising psychopathology in a longitudinal general population child cohort
JM Downs, AE Cullen, M Barragan, KR Laurens
Schizophrenia Research 144 (1-3), 99-104, 2013
692013
Using clinical natural language processing for health outcomes research: overview and actionable suggestions for future advances
S Velupillai, H Suominen, M Liakata, A Roberts, AD Shah, K Morley, ...
Journal of biomedical informatics 88, 11-19, 2018
662018
Reasons for discontinuing clozapine: a cohort study of patients commencing treatment
SE Legge, M Hamshere, RD Hayes, J Downs, MC O'Donovan, MJ Owen, ...
Schizophrenia research 174 (1-3), 113-119, 2016
542016
Trajectories of childhood internalizing and externalizing psychopathology and psychotic-like experiences in adolescence: A prospective population-based cohort study
KS Lancefield, A Raudino, JM Downs, KR Laurens
Development and Psychopathology 28 (2), 527-536, 2016
362016
An approach to linking education, social care and electronic health records for children and young people in South London: a linkage study of child and adolescent mental health …
JM Downs, T Ford, R Stewart, S Epstein, H Shetty, R Little, A Jewell, ...
BMJ open 9 (1), e024355, 2019
292019
Negative symptoms in early-onset psychosis and their association with antipsychotic treatment failure
J Downs, H Dean, S Lechler, N Sears, R Patel, H Shetty, M Hotopf, T Ford, ...
Schizophrenia bulletin 45 (1), 69-79, 2019
292019
Linking health and education data to plan and evaluate services for children
J Downs, R Gilbert, RD Hayes, M Hotopf, T Ford
Archives of disease in childhood 102 (7), 599-602, 2017
292017
Psychological consequences of child trafficking: An historical cohort study of trafficked children in contact with secondary mental health services
L Ottisova, P Smith, H Shetty, D Stahl, J Downs, S Oram
PLoS one 13 (3), e0192321, 2018
282018
The association between comorbid autism spectrum disorders and antipsychotic treatment failure in early-onset psychosis: a historical cohort study using electronic health records
JM Downs, S Lechler, H Dean, N Sears, R Patel, H Shetty, E Simonoff, ...
The Journal of clinical psychiatry 78 (9), 0-0, 2017
282017
Risk assessment tools and data-driven approaches for predicting and preventing suicidal behavior
S Velupillai, G Hadlaczky, E Baca-Garcia, GM Gorrell, N Werbeloff, ...
Frontiers in psychiatry 10, 36, 2019
262019
Clinical predictors of antipsychotic use in children and adolescents with autism spectrum disorders : a historical open cohort study using electronic health records
J Downs, M Hotopf, T Ford, E Simonoff, R Jackson, H Shetty, R Stewart, ...
European Child and Adolescent Psychiatry, pp 1-10, 2015
262015
Clozapine: national review of postcode prescribing
J Downs, M Zinkler
Psychiatric Bulletin 31 (10), 384-387, 2007
262007
Clozapine and all‐cause mortality in treatment‐resistant schizophrenia: a historical cohort study
J Cho, RD Hayes, A Jewell, G Kadra, H Shetty, JH MacCabe, J Downs
Acta Psychiatrica Scandinavica 139 (3), 237-247, 2019
252019
Detection of suicidality in adolescents with autism spectrum disorders: developing a natural language processing approach for use in electronic health records
J Downs, S Velupillai, G George, R Holden, M Kikoler, H Dean, ...
AMIA annual symposium proceedings 2017, 641, 2017
252017
Predictors of long-term (≥ 6 months) antipsychotic polypharmacy prescribing in secondary mental healthcare
G Kadra, R Stewart, H Shetty, J Downs, JH MacCabe, D Taylor, RD Hayes
Schizophrenia research 174 (1-3), 106-112, 2016
212016
Antipsychotic polypharmacy and augmentation strategies prior to clozapine initiation: a historical cohort study of 310 adults with treatment-resistant schizophrenic disorders
JV Thompson, JM Clark, SE Legge, G Kadra, J Downs, JTR Walters, ...
Journal of psychopharmacology 30 (5), 436-443, 2016
202016
School absenteeism as a risk factor for self-harm and suicidal ideation in children and adolescents: A systematic review and meta-analysis
S Epstein, E Roberts, R Sedgwick, C Polling, K Finning, T Ford, R Dutta, ...
European child & adolescent psychiatry 29 (9), 1175-1194, 2020
152020
Risk of readmission in patients with schizophrenia and schizoaffective disorder newly prescribed clozapine
J Kesserwani, G Kadra, J Downs, H Shetty, JH MacCabe, D Taylor, ...
Journal of Psychopharmacology 33 (4), 449-458, 2019
152019
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Articles 1–20