Research output per year
Research output per year
Search results
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2023
Defining severity of personality disorder using Electronic Health Records: short report
Monk-Cunliffe, J., Kadra-Scalzo, G., Finamore, C., Dale, O., Khondoker, M., Barrett, B., Shetty, H., Hayes, R. D. & Moran , P., 2023, (Accepted/In press) In: BJPsych Open.Research output: Contribution to journal › Article › peer-review
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Mental health problems and admissions to hospital for accidents and injuries in the UK military: A data linkage study
Chui, Z., Leightley, D., Jones, M., Landau, S., Mccrone, P., Hayes, R. D., Wessely, S., Fear, N. T., Goodwin, L. & Chupradit, S. (Editor), Jan 2023, In: PloS one. 18, 1 January, e0280938.Research output: Contribution to journal › Article › peer-review
Open Access4 Citations (Scopus) -
Outcomes following suicidal crisis among hazardous and harmful alcohol users in the Crisis Resolution Team
Robins, J., Morley, K., Hayes, R., Pritchard, M., Kornblum, D. & Kalk, N., 3 Jan 2023, In: International Journal Of Mental Health Nursing.Research output: Contribution to journal › Article › peer-review
Open AccessFile80 Downloads (Pure) -
2022
A predictor model of treatment resistance in schizophrenia using data from electronic health records
Kadra-Scalzo, G., Fonseca de Freitas, D., Agbedjro, D., Francis, E., Ridler, I., Pritchard, M., Hitesh, S., Segev, A., Casetta, C., Smart, S., Morris, A., Downs, J., Christensen, S. R., Bak, N., Kinon, B. J., Stahl, D., Hayes, R. & Maccabe, J., 19 Sept 2022, In: PLoS One. 17, 9 September, p. e0274864 e0274864.Research output: Contribution to journal › Article › peer-review
Open Access8 Citations (Scopus) -
Autism spectrum disorders as a risk factor for adolescent self-harm: a retrospective cohort study of 113,286 young people in the UK
Widnall, E., Epstein, S., Polling, C., Velupillai, S., Jewell, A., Dutta, R., Simonoff, E., Stewart, R., Gilbert, R., Ford, T., Hotopf, M., Hayes, R. D. & Downs, J., 29 Apr 2022, In: BMC Medicine. 20, 1, 137.Research output: Contribution to journal › Article › peer-review
Open Access10 Citations (Scopus) -
Clinical correlates of early onset antipsychotic treatment resistance
Fonseca de Freitas, D., Agbedjro, D., Kadra-Scalzo, G., Francis, E., Ridler, I., Pritchard, M., Shetty, H., Segev, A., Casetta, C., Smart, S. E., Morris, A., Downs, J., Christensen, S. R., Bak, N., Kinon, B. J., Stahl, D., Hayes, R. D. & MacCabe, J. H., 1 Nov 2022, In: Journal of Psychopharmacology. 36, 11, p. 1226-1233 8 p.Research output: Contribution to journal › Article › peer-review
Open Access3 Citations (Scopus) -
Clinical correlates of early onset antipsychotic treatment resistance
Fonseca de Freitas, D., Agbedjro, D., Kadra-Scalzo, G., Francis, E., Ridler, I., Pritchard, M., Shetty, H., Segev, A., Casetta, C., Smart, S., Morris, A., Downs, J., Christensen, S. R., Bak, N., Kinon, B. J., Stahl, D., Hayes, R. D. & Maccabe, J., 27 Sept 2022, (Accepted/In press) In: Journal of Psychopharmacology.Research output: Contribution to journal › Article › peer-review
Open AccessFile57 Downloads (Pure) -
COVID-related hospitalization, intensive care treatment, and all-cause mortality in patients with psychosis and treated with clozapine
Govind, R., de Freitas, D. F., Pritchard, M., Khondoker, M., Teo, J. T., Stewart, R., Hayes, R. D. & MacCabe, J. H., Mar 2022, In: European Neuropsychopharmacology. 56, p. 92-99 8 p.Research output: Contribution to journal › Article › peer-review
Open Access4 Citations (Scopus) -
Ethnic Disparities in Clozapine Prescription for Service-users with Schizophrenia-Spectrum Disorders: A Systematic Review
Ventura, A., Fonseca de Freitas, D. & Hayes, R., 1 Jun 2022, (Accepted/In press) In: Psychological Medicine.Research output: Contribution to journal › Article › peer-review
Open AccessFile36 Downloads (Pure) -
Ethnic inequalities in clozapine use among people with treatment-resistant schizophrenia: a retrospective cohort study using data from electronic clinical records
Fonseca de Freitas, D., Patel, I., Kadra-Scalzo, G., Pritchard, M., Shetty, H., Broadbent, M., Patel, R., Downs, J., Segev, A., Khondoker, M., Maccabe, J., Bhui, K. & Hayes, R., 18 Feb 2022, (Accepted/In press) In: Social Psychiatry and Psychiatric Epidemiology.Research output: Contribution to journal › Article › peer-review
Open AccessFile55 Downloads (Pure) -
Ethnic inequalities in involuntary admission under the Mental Health Act: an exploration of mediation effects of clinical care prior to the first admission
Fonseca de Freitas, D., Walker, S., Nyikavaranda, P., Downs, J., Patel, R., Khondoker, M., Bhui, K. & Hayes, R., 25 Oct 2022, (E-pub ahead of print) In: British Journal of Psychiatry.Research output: Contribution to journal › Article › peer-review
Open Access8 Citations (Scopus)1 Downloads (Pure) -
Ethnic inequities in multimorbidity among people with psychosis: A retrospective cohort study
Fonseca de Freitas, D., Pritchard, M., Shetty, H., Khondoker, M., Nazroo, J., Hayes, R. & Bhui, K., 30 Jun 2022, (Accepted/In press) In: Epidemiology And Psychiatric Sciences.Research output: Contribution to journal › Article › peer-review
Open AccessFile53 Downloads (Pure) -
Mental health care utilisation by patients before and after receiving paliperidone palmitate treatment: mirror-image analyses
Kadra-Scalzo, G., Ahn, D., Bird, A., Broadbent, M. T. M., Chang, C. K., Pritchard, M., Shetty, H., Taylor, D., Hayes, R. & Stewart, R., 6 Apr 2022, In: BMJ Open. 12, 4, p. e051567 e051567.Research output: Contribution to journal › Article › peer-review
Open AccessFile61 Downloads (Pure) -
Prevalence and Correlates of Obsessive-Compulsive Symptoms in Individuals With Schizophrenia, Schizoaffective Disorder, or Bipolar Disorder
Ahn Robins, D., Grootendorst-van, N. H., Chang, C. K., Chandran, D., Shetty, H., Sanyal, J., MacCabe, J. H., Cohen, H., Stewart, R., Schirmbeck, F., de Haan, L. & Hayes, R. D., Nov 2022, In: The Journal of Clinical Psychiatry. 83, 6, 21m14010.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Citations (Scopus)321 Downloads (Pure) -
Using a statistical learning approach to identify sociodemographic and clinical predictors of response to clozapine
Fonseca de Freitas, D., Kadra-Scalzo, G., Agbedjro, D., Francis, E., Ridler, I., Pritchard, M., Sheety, H., Segev, A., Casetta, C., Smart, S., Downs, J., Christensen, S. R., Bak, N., Kinon, B. J., Stahl, D., Maccabe, J. & Hayes, R., 17 Jan 2022, (Accepted/In press) In: Journal of Psychopharmacology.Research output: Contribution to journal › Article › peer-review
Open AccessFile61 Downloads (Pure) -
2021
Alcohol dependence and heavy episodic drinking are associated with different levels of risk of death or repeat emergency service attendance after a suicide attempt
Robins, J., Morley, K., Hayes, R., Pritchard, M., Curtis, V., Ross, K. R. & Kalk, N., 1 Jul 2021, In: Drug and alcohol dependence. 224, 108725.Research output: Contribution to journal › Article › peer-review
Open AccessFile3 Citations (Scopus)55 Downloads (Pure) -
Comparing psychotropic medication prescribing in personality disorder between general mental health and psychological services: a retrospective cohort study.
Kadra-Scalzo, G., Garland, J., Miller, S., Chang, C.-K., Fok, M., Hayes, R., Moran , P., Hitesh, S., Young, A. & Stewart, R., 2021, (Accepted/In press) In: BJPsych Open.Research output: Contribution to journal › Article › peer-review
Open AccessFile98 Downloads (Pure) -
Gender disparities in clozapine prescription in a cohort of treatment-resistant schizophrenia in the South London and Maudsley case register
Wellesley Wesley, E., Patel, I., Kadra-Scalzo, G., Pritchard, M., Sheety, H., Broadbent, M., Segev, A., Patel, R., Downs, J., Maccabe, J., Hayes, R. & Fonseca de Freitas, D., Jun 2021, In: Schizophrenia Research. 232, p. 68-76 9 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile19 Citations (Scopus)168 Downloads (Pure) -
Incidence of suicidality in people with depression over a 10-year period treated by a large UK mental health service provider
Francis, E. R., Fonseca De Freitas, D., Colling, C., Pritchard, M., Kadra-Scalzo, G., Viani, N., Chaturvedi, J., Denee, T. R., Kerr, C., Desai, M., Scott, G., Shetty, H., Broadbent, M., Chandran, D., Downs, J., Velupillai, S., Khondoker, M., Stewart, R., Dutta, R. & Hayes, R. D., 24 Nov 2021, In: BJPsych Open. 7, 6, e223.Research output: Contribution to journal › Article › peer-review
Open Access -
2020
Chapter 18: Statistical techniques in psychiatric epidemiology
Harber-Aschan, L., Das-Munshi, J., Hayes, R., Prince, M., Richards, M., Schofield, P. & Stewart, R., 30 Apr 2020, Practical Psychiatric Epidemiology- Second Edition.Research output: Chapter in Book/Report/Conference proceeding › Chapter
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Clozapine treatment and risk of COVID-19
Govind, R., Fonseca de Freitas, D., Pritchard, M., Hayes, R. D. & MacCabe, J. H., 27 Jul 2020, In: The British journal of psychiatry : the journal of mental science. p. 1-13 13 p.Research output: Contribution to journal › Article › peer-review
62 Citations (Scopus) -
Hospital admissions for non-communicable disease in the UK military and associations with alcohol use and mental health: A data linkage study
Goodwin, L., Leightley, D., Chui, Z., Landau, S., McCrone, P., Hayes, R., Jones, M., Wessely, S. & Fear, N., 1 Aug 2020, (Accepted/In press) In: BMC Public Health.Research output: Contribution to journal › Article › peer-review
File37 Downloads (Pure) -
Impact of matching error on linked mortality outcome in a data linkage of secondary mental health data with Hospital Episode Statistics (HES) and mortality records in South East London: a cross-sectional study
Jewell, A., Broadbent, M., Hayes, R. D., Gilbert, R., Stewart, R. & Downs, J., 7 Jul 2020, In: BMJ Open. 10, 7, p. e035884 bmjopen-2019-035884.Research output: Contribution to journal › Article › peer-review
7 Citations (Scopus) -
Sociodemographic factors associated with routine outcome monitoring: a historical cohort study of 28,382 young people accessing child and adolescent mental health services
Morris, A. C., Macdonald, A., Moghraby, O., Stringaris, A., Hayes, R. D., Simonoff, E., Ford, T. & Downs, J. M., 16 Jun 2020, (E-pub ahead of print) In: Child and Adolescent Mental Health.Research output: Contribution to journal › Article › peer-review
Open AccessFile16 Citations (Scopus)289 Downloads (Pure) -
2019
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 service data.
Downs, J. M., Ford, T., Stewart, R. J., Epstein, S., Shetty, H., Little, R., Jewell, A., Broadbent, M., Deighton, J., Mostafa, T., Gilbert, R., Hotopf, M. H. & Hayes, R. D., 29 Jan 2019, In: BMJ Open. 9, 1, e024355.Research output: Contribution to journal › Article › peer-review
Open AccessFile53 Citations (Scopus)226 Downloads (Pure) -
Clozapine and all-cause mortality in treatment-resistant schizophrenia: a historical cohort study
Cho, J., Hayes, R. D., Jewell, A., Kadra, G., Shetty, H., MacCabe, J. H. & Downs, J., 27 Feb 2019, In: Acta Psychiatrica Scandinavica. 139, 3, p. 237-247 11 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile54 Citations (Scopus)184 Downloads (Pure) -
Negative symptoms in early-onset psychosis and their association with antipsychotic treatment failure
Downs, J., Dean, H., Lechler, S., Sears, N., Patel, R., Shetty, H., Hotopf, M., Ford, T., Kyriakopoulos, M., Diaz-Caneja, C. M., Arango, C., MacCabe, J. H., Hayes, R. D. & Pina-Camacho, L., 1 Jan 2019, In: Schizophrenia Bulletin. 45, 1, p. 69-79 11 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile44 Citations (Scopus)304 Downloads (Pure) -
Patterns of use of the Mental Health Act 1983, from 2007-08 to 2016-17, in two major secondary mental healthcare providers in London.
Oram, S., Colling, C., Pritchard, M. R., Khondoker, M., Fonseca de Freitas, D. M., Ter-Minassian, L., Downs, J. M., Lloyd-Evans, B., Markham, S., Werbeloff, N., Chang, C. K., Johnson , S., Hotopf, M. H. & Hayes, R. D., 2019, In: BJPsych Open.Research output: Contribution to journal › Article › peer-review
Open AccessFile89 Downloads (Pure) -
Patterns of use of the Mental Health Act 1983, from 2007-2008 to 2016-2017, in two major London secondary mental healthcare providers
Oram, S., Colling, C., Pritchard, M., Khondoker, M., Fonseca De Freitas, D., Ter-Minassian, L., Downs, J., Lloyd-Evans, B., Markham, S., Werbeloff, N., Chang, C. K., Johnson, S., Hotopf, M. & Hayes, R. D., 27 Nov 2019, In: BJPsych Open. 5, 6, e102.Research output: Contribution to journal › Article › peer-review
Open Access2 Citations (Scopus) -
Psychiatric comorbidity as a risk factor for the mortality of people with bulimia nervosa
Himmerich, H., Hotopf, M. H., Shetty, H., Schmidt, U. H., Treasure, J. L., Hayes, R. D., Stewart, R. J. & Chang, C.-K., 4 Feb 2019, (Accepted/In press) In: Social Psychiatry and Psychiatric Epidemiology.Research output: Contribution to journal › Article › peer-review
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Risk of readmission in patients with schizophrenia and schizoaffective disorder newly prescribed clozapine
Kesserwani, J., Kadra-Scalzo, G., Downs, J. M., Shetty, H., MacCabe, J. H., Taylor, D. M., Stewart, R. J., Chang, C.-K. & Hayes, R. D., 1 Apr 2019, In: Journal of Psychopharmacology. 33, 4, p. 449-458 10 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile23 Citations (Scopus)224 Downloads (Pure) -
Use of Natural Language Processing to identify Obsessive Compulsive Symptoms in patients with schizophrenia, schizoaffective disorder or bipolar disorder
Chandran, D., Ahn, D. Y., Chang, C.-K., Shetty, H., Sanyal, J., Downs, J. M., Fok, M., Ball, M., Jackson, R. G., Stewart, R. J., Cohen, H. N. R., Vermeulen, J., Schirmbeck, F., De Haan, L. & Hayes, R. D., 15 Aug 2019, (Accepted/In press) In: Scientific Reports.Research output: Contribution to journal › Article › peer-review
Open AccessFile118 Downloads (Pure) -
2018
Acute general hospital admissions in people with serious mental illness
Jayatilleke, N., Hayes, R. D., Chang, C. K. & Stewart, R., 28 Feb 2018, (E-pub ahead of print) In: Psychological Medicine. 8 p.Research output: Contribution to journal › Article › peer-review
Open Access39 Citations (Scopus) -
Associations of acetylcholinesterase inhibitor treatment with reduced mortality in Alzheimer's disease: a retrospective survival analysis
Mueller, C., Perera, G., Hayes, R., Shetty, H. & Stewart, R., 1 Jan 2018, In: Age and Ageing. 47, 1, p. 88-94Research output: Contribution to journal › Article › peer-review
Open AccessFile40 Citations (Scopus)251 Downloads (Pure) -
Excess overdose mortality immediately following transfer of patients and their care as well as after cessation of opioid substitution therapy
Bogdanowicz, K. M., Stewart, R., Chang, C.-K., Shetty, H., Khondoker, M., Day, E., Hayes, R. D. & Strang, J., 10 Jan 2018, (E-pub ahead of print) In: Addiction.Research output: Contribution to journal › Article › peer-review
Open AccessFile10 Citations (Scopus)223 Downloads (Pure) -
Integrating electronic healthcare records of armed forces personnel: Developing a framework for evaluating health outcomes in England, Scotland and Wales
Leightley, D., Chui, Z., Jones, M., Landau, S., McCrone, P., Hayes, R. D., Wessely, S., Fear, N. T. & Goodwin, L., 1 May 2018, In: International Journal of Medical Informatics. 113, p. 17-25 9 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile12 Citations (Scopus)228 Downloads (Pure) -
Long‐term antipsychotic polypharmacy prescribing in secondary mental health care and the risk of mortality
Kadra-Scalzo, G., Stewart, R., Shetty, H., MacCabe, J. H., Chang, C.-K., Taylor, D. & Hayes, R. D., Aug 2018, In: Acta Psychiatrica Scandinavica. 138, 2, p. 123-132 10 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile25 Citations (Scopus)216 Downloads (Pure) -
Predicting parkinsonism side effects of antipsychotic polypharmacy prescribed in secondary mental healthcare
Kadra, G., Spiros, A., Shitesh, H., Iqbal, E., Hayes, R. D., Stewart, R. & Geerts, H., 1 Nov 2018, In: Journal of Psychopharmacology. 32, 11, p. 1191-1196Research output: Contribution to journal › Article › peer-review
Open Access8 Citations (Scopus) -
Psychiatric comorbidity as a risk factor for mortality in people with anorexia nervosa
Himmerich, H., Hotopf, M. H., Shetty, H., Schmidt, U. H., Treasure, J. L., Hayes, R. D., Stewart, R. J. & Chang, C.-K., 17 Aug 2018, In: European Archives Of Psychiatry And Clinical Neuroscience.Research output: Contribution to journal › Article › peer-review
Open AccessFile53 Citations (Scopus)995 Downloads (Pure) -
2017
Antipsychotic polypharmacy prescribing and risk of hospital readmission
Kadra-Scalzo, G., Hayes, R. D., Stewart, R. J., Taylor, D., Shetty, H., MacCabe, J. H., Chang, C.-K. & Kesserwani, J., 31 Oct 2017, In: Psychopharmacology.Research output: Contribution to journal › Article › peer-review
Open AccessFile29 Citations (Scopus)228 Downloads (Pure) -
Contributions of specific causes of death to lost life expectancy in severe mental illness
Jayatilleke, N., Hayes, R. D., Dutta, R., Shetty, H., Hotopf, M., Chang, C.-K. & Stewart, R., 17 Mar 2017, (E-pub ahead of print) In: European Psychiatry. p. 109-115Research output: Contribution to journal › Article › peer-review
Open AccessFile84 Citations (Scopus)795 Downloads (Pure) -
Linking health and education data to plan and evaluate services for children
Downs, J., Gilbert, R., Hayes, R. D., Hotopf, M. & Ford, T., 27 Jan 2017, In: Archives of Disease in Childhood. 5 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile35 Citations (Scopus)271 Downloads (Pure) -
The Association Between Comorbid Autism Spectrum Disorders and Antipsychotic Treatment Failure in Early-Onset Psychosis: A Historical Cohort Study Using Electronic Health Records
Downs, J. M., Lechler, S., Dean, H., Sears, N., Patel, R., Shetty, H., Simonoff, E., Hotopf, M., Ford, T. J., Diaz-Caneja, C. M., Arango, C., MacCabe, J. H., Hayes, R. D. & Pina-Camacho, L., 7 Nov 2017, In: Journal of Clinical Psychiatry.Research output: Contribution to journal › Article › peer-review
45 Citations (Scopus)12 Downloads (Pure) -
2016
Antipsychotic polypharmacy and augmentation strategies prior to clozapine initiation: A historical cohort study of 310 adults with treatment-resistant schizophrenic disorders
Thompson, J. V., Clark, J. M., Legge, S. E., Kadra-Scalzo, G., Downs, J., Walters, J. T., Hamshere, M. L., Hayes, R. D., Taylor, D. & MacCabe, J. H., 2016, In: Journal of psychopharmacology (Oxford, England). 30, 5, p. 436-443 8 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile16 Citations (Scopus)230 Downloads (Pure) -
Clinical predictors of antipsychotic use in children and adolescents with autism spectrum disorders: a historical open cohort study using electronic health records
Downs, J. M., Hotopf, M. H., Ford, T., Simonoff, E., Jackson, R. G., Shetty, H., Stewart, R. J. & Hayes, R. D., 15 Jun 2016, In: European child & adolescent psychiatry. 25, 6, p. 649–658 9 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile30 Citations (Scopus)246 Downloads (Pure) -
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 Mental Health Record-derived data resource
Perera, G. S., Chang, C.-K., Broadbent, M., Callard, F., Downs, J. M., Dutta, R., Fernandes, A. C., Hayes, R. D., Henderson, M. J., Jackson, R. G., Jewell, A., Kadra-Scalzo, G., Little, R., Pritchard, M. R., Shetty, H., Tulloch, A. D. & Stewart, R. J., 3 Mar 2016, In: BMJ Open. 6, 3, p. 1-22 22 p., e008721.Research output: Contribution to journal › Article › peer-review
Open AccessFile360 Citations (Scopus)357 Downloads (Pure) -
Identifying mortality risks in patients with opioid use disorder using brief screening assessment: Secondary mental health clinical records analysis
Bogdanowicz, K. M., Stewart, R. J., Chang, C.-K., Downs, J., Khondoker, M. M. R., Shetty, H., Strang, J. S. & Hayes, R. D., 6 May 2016, (E-pub ahead of print) In: Drug and alcohol dependence.Research output: Contribution to journal › Article › peer-review
Open AccessFile7 Citations (Scopus)286 Downloads (Pure) -
Predictors of care home and hospital admissions and their costs for older people with Alzheimer's disease: Findings from a large London case register
Knapp, M., Chua, K.-C., Broadbent, M., Chang, C. K., Fernandez, J. L., Milea, D., Romeo, R., Lovestone, S., Spencer, M., Thompson, G., Stewart, R. & Hayes, R. D., 18 Nov 2016, In: BMJ Open. 6, 11, e013591.Research output: Contribution to journal › Article › peer-review
Open AccessFile66 Citations (Scopus)222 Downloads (Pure) -
Predictors of long-term (≥6months) antipsychotic polypharmacy prescribing in secondary mental healthcare
Kadra-Scalzo, G., Stewart, R., Shetty, H., Downs, J., MacCabe, J. H., Taylor, D. & Hayes, R. D., 16 Apr 2016, (E-pub ahead of print) In: Schizophrenia Research.Research output: Contribution to journal › Article › peer-review
Open AccessFile24 Citations (Scopus)273 Downloads (Pure) -
Reasons for discontinuing clozapine: A cohort study of patients commencing treatment
Legge, S. E., Hamshere, M., Hayes, R. D., Downs, J., O'Donovan, M. C., Owen, M. J., Walters, J. T. R. & MacCabe, J., 1 Jul 2016, In: Schizophrenia Research. 174, 1-3, p. 113-119 7 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile105 Citations (Scopus)420 Downloads (Pure)