Research outputs

The CCQI has led or collaborated on many research and evaluation projects. 

Peer reviewed publications

Psychosis

Critical components of 'Early Intervention in Psychosis': national retrospective cohort study. Williams R, Penington E, Gupta V, Quirk A, Tsiachristas A, Rickett M, Chew-Graham CA, Shiers D, French P, Lennox B, Bottle A, Crawford MJ. Br J Psychiatry. 2026

Investigating inequalities in patient outcomes for first-episode psychosis. Nicholls D, Budd J, Nunn P, French P, Smith J, Gupta V, Holdship J, Quirk A. Br J Psychiatry. 2024 Dec;225(6):556-562.

Predictors of positive patient-reported outcomes from ‘Early Intervention in Psychosis’: a national cross-sectional study. Williams R, Morris A, Gupta V, Penington E, Cullen AE, Quirk A, French P, Lennox B, Bottle A, Crawford MJ. BMJ Ment Health. 2023 Aug;26(1):e300716.

Examining the effects of national initiatives to improve the physical health of people with psychosis in England: secondary analysis of data from the National Clinical Audit of Psychosis. Williams R, Natkulasingam S, Tooke B, Webster E, Quirk A, Gupta V, French P, Smith J, Crawford MJ. BJPsych Bull. 2022 Jun;46(3):140-147.

Anxiety and depression

Patient experience of lasting negative effects of psychological interventions for anxiety and depression in secondary mental health care services: a national cross-sectional study. McQuaid A, Sanatinia R, Farquharson L, Shah P, Quirk A, Baldwin DS, Crawford M. BMC Psychiatry. 2021 Nov 17;21(1):578.

Quality of English inpatient mental health services for people with anxiety or depressive disorders: Findings and recommendations from the core audit of the National Clinical Audit of Anxiety and Depression. Baldwin DS, Dang M, Farquharson L, Fitzpatrick N, Lindsay N, Quirk A, Rhodes E, Shah P, Williams R, Crawford MJ. Compr Psychiatry. 2021 Jan;104:152212.

Impact of Substance Use Disorder on Quality of Inpatient Mental Health Services for People With Anxiety and Depression. Williams R, Farquharson L, Rhodes E, Dang M, Butler J, Quirk A, Baldwin DS, Crawford MJ. J Dual Diagn. 2021 Jan-Mar;17(1):80-93.

Mental health of older people

Incidence and risk factors of mental disorders in the elderly: The European MentDis_ICF65+ study. Andreas S, Schulz H, Volkert J, Lüdemann J, Dehoust M, Sehner S, Suling A, Wegscheider K, Ausín B, Canuto A, Crawford MJ, Da Ronch C, Grassi L, Hershkovitz Y, Muñoz M, Quirk A, Rotenstein O, Belén Santos-Olmo A, Shalev A, Weber K, Wittchen HU, Härter M. Aust N Z J Psychiatry. 2022 May;56(5):551-559.

Factors associated with shorter length of admission among people with dementia in England and Wales: retrospective cohort study. Sanatinia R, Burns A, Crome P, Gordon F, Hood C, Lee W, Quirk A, Seers K, Staniszewska S, Zafarani G, Crawford M. BMJ Open. 2021 Oct 19;11(10):e047255. 

Prescribing in mental health services

Rapid tranquillisation for psychiatric in-patients with a diagnosis of personality disorder: under-recognised issue. Paton C, Crawford MJ, Hartley M, Adams CE, Edokpolor Pernia EM, Rendora O, Barnes TRE. BJPsych Open. 2025 Aug 1;11(5):e161.

Exploring the clinical factors affecting lithium dose and plasma level and the effect of brand. Paton C, Bassett P, Rendora O, Barnes TRE. Ther Adv Psychopharmacol. 2024 Oct 15;14:20451253241285883.

Understanding the medication regimens associated with anticholinergic burden in older people's mental health services in the UK. Barnes TRE, Bishara D, Burns A, Myint PK, Rendora O, Edokpolor Pernia EM, Paton C. BJPsych Open. 2024 Oct 3;10(5):e167.

Quality of melatonin use in children and adolescents: findings from a UK clinical audit. Paton C, Gringras P, Ruan A, Liew A, Rendora O, Bove G, Barnes TRE. BMJ Ment Health. 2024 Jan 22;27(1):e300894.

Who is prescribed valproate and how carefully is this treatment reviewed in UK mental health services? Data from a clinical audit. Paton C, Citrome L, Fernandez-Egea E, Rendora O, Barnes TRE. Ther Adv Psychopharmacol. 2022 Aug 23;12:20451253221110016.

Management of medically assisted withdrawal from alcohol in acute adult mental health and specialist addictions in-patient services: UK clinical audit findings. Sinclair J, Barnes TRE, Lingford-Hughes A, Drummond C, Loubser I, Rendora O, Paton C. BJPsych Open. 2023 Apr 11;9(3):e61.

Prescribing clozapine in the UK: Quality improvement issues identified by clinical audit. Barnes TR, MacCabe JH, Kane JM, Delgado O, Khan M, Paton C. J Psychopharmacol. 2022 Sep;36(9):1036-1040.

Plus ça change? Switching lithium preparations. Cousins DA, Barnes TRE, Young AH, Delgado O, Paton C. BJPsych Bull. 2023 Apr;47(2):71-76.

Prescribing antipsychotic medication for adults with intellectual disability: shared responsibilities between mental health services and primary care. Paton C, Roy A, Purandare K, Rendora O, Barnes TRE. BJPsych Bull. 2022 Dec;46(6):311-315.

Side-effect monitoring of continuing LAI antipsychotic medication in UK adult mental health services. Paton C, Craig TKJ, McConnell B, Barnes TRE. Ther Adv Psychopharmacol. 2021 Apr 8;11:2045125321991278.