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Professor Cristin Ryan
Professor in Practice of Pharmacy, Pharmacy

Publications and Further Research Outputs

Peer-Reviewed Publications

Odalovic, M., Gorman, A., Paul, A., McCallion, P., Burke, E.A., MacLachlan, M., McCarron, M., Henman C, M., Moran, M., O"Connell, J., Walsh, M., Shankar, R., Ryan, C. & O"Dwyer, M., Psychotropic medicines' prevalence, patterns and effects on cognitive and physical function in older adults with intellectual disability in Ireland: longitudinal cohort study, 2009-2020, BJPsych Open, 10, (2), 2024 Journal Article, 2024 TARA - Full Text URL DOI

B Brennan, J Strawbridge, D Stewart, C Cadogan, J Eustace-Cook, M Lowrey, A M Brady, C Ryan, An umbrella review of pharmacist prescribing: stakeholders" views and impact on patient outcomes, International Journal of Pharmacy Practice, 32, (1), 2024 Journal Article, 2024 DOI TARA - Full Text

Medication Reconciliation and Review: Theory, Practice and Evidence in, editor(s)Antonio Cherubini, Arduino A. Mangoni, Denis O"Mahony, Mirko Petrovic , Optimizing Pharmacotherapy in Older Patients, Switzerland, Springer Cham, 2023, pp91 - 104, [Grimes T, Ryan C] Book Chapter, 2023 DOI URL

Ni Sheachnasaigh E., Cadogan C., Strawbridge J., Sahm L.J., Ryan C., A scoping review of the methods and processes used by regulatory bodies to determine pharmacists" readiness for practice, Research in Social and Administrative Pharmacy, 2022 Journal Article, 2022 DOI

Rankin A., Gorman A., Cole J., Cadogan C.A., Barry H.E., Agus A., Logan D., McDowell C., Molloy G.J., Ryan C., Leathem C., Maxwell M., Brennan C., Gormley G.J., Ferrett A., McCarthy P., Fahey T., Hughes C.M., Murphy L., Kennedy G., Adams C., Martin L., Thompson J., Toase S., Boyd C., McQuillan R., O'Dwyer M., An external pilot cluster randomised controlled trial of a theory-based intervention to improve appropriate polypharmacy in older people in primary care (PolyPrime), Pilot and Feasibility Studies, 8, (1), 2022 Journal Article, 2022 DOI

Gorman A, Rankin A, Hughes C, O'Dwyer M, Ryan C., Theoretically derived interventions aimed at improving appropriate polypharmacy in primary care: A systematic review., Explor Res Clin Soc Pharm, 7, 2022, p100166 Journal Article, 2022 DOI

O'Shea J, Ryan C, Gallagher J, O'Brien C, Morris C, Dwyer E, Laughlin JM, Fitzpatrick L, O'Meara M, Kelly S, Knox S, Ledwidge M., Public perceptions of pharmacogenomic services in Ireland - Are people with chronic disease more likely to want service availability than those without? A questionnaire study., Explor Res Clin Soc Pharm, 8, 2022, p100182 Journal Article, 2022 DOI

O'Shea J., Ledwidge M., Gallagher J., Keenan C., Ryan C., Correction to: Pharmacogenetic interventions to improve outcomes in patients with multimorbidity or prescribed polypharmacy: a systematic review (The Pharmacogenomics Journal, (2022), 22, 2, (89-99), 10.1038/s41397-021-00260-6), Pharmacogenomics Journal, 22, (2), 2022, p146- Journal Article, 2022 DOI

Lynch T., Ryan C., Bradley C., Foster D., Huff C., Hutchinson S., Lamberson N., Lynch L., Cadogan C., Supporting safe and gradual reduction of long-term benzodiazepine receptor agonist use: Development of the SAFEGUARDING-BZRAs toolkit using a codesign approach, Health Expectations, 25, (4), 2022, p1904 - 1918, p1904-1918 Journal Article, 2022 DOI

Lynch T, Ryan C, Cadogan CA., 'I just thought that it was such an impossible thing': A qualitative study of barriers and facilitators to discontinuing long-term use of benzodiazepine receptor agonists using the Theoretical Domains Framework., Health expectations : an international journal of public participation in health care and health policy, 25, (1), 2022, p355-365 Journal Article, 2022 DOI

Sadeq A, Strugaru M, Almutairi M, Stewart D, Ryan C, Grimes T, Interprofessional Interventions Involving Pharmacists and Targeting the Medicines Management Process Provided to Older People Residing in Nursing Homes: A Systematic Review and Meta-Analysis of Randomised Controlled Trials., Drugs & Aging, 39, 2022, p773-794 Journal Article, 2022 URL DOI

Al-Adawi R.M., Prabhu K.S., Stewart D., Ryan C., Abdelaziz H., Eledrisi M., Ibrahim M.I.M., Uddin S., Tonna A.P., The incidence and determinants of metabolic syndrome amongst a group of migrants to qatar: A prospective longitudinal observational cohort study 24-months post-migration, Journal of Clinical Medicine, 11, (1), 2022 Journal Article, 2022 DOI

Carolan A., Keating D., McWilliams S., Hynes C., O'Neill M., Boland F., Holland S., Strawbridge J., Ryan C., The development and validation of a medicines optimisation tool to protect the physical health of people with severe mental illness (OPTIMISE), BMC Psychiatry, 22, (1), 2022 Journal Article, 2022 DOI

O'Shea J, Ledwidge M, Gallagher J, Keenan C, Ryan C., Pharmacogenetic interventions to improve outcomes in patients with multimorbidity or prescribed polypharmacy: a systematic review., The pharmacogenomics journal, 22, (2), 2022, p89-99 Journal Article, 2022 DOI

Rankin A., Cadogan C.A., Barry H.E., Gardner E., Agus A., Molloy G.J., Gorman A., Ryan C., Leathem C., Maxwell M., Gormley G.J., Ferrett A., McCarthy P., Fahey T., Hughes C.M., An external pilot cluster randomised controlled trial of a theory-based intervention to improve appropriate polypharmacy in older people in primary care (PolyPrime): study protocol, Pilot and Feasibility Studies, 7, (1), 2021 Journal Article, 2021 DOI

Patton D.E., Pearce C.J., Cartwright M., Smith F., Cadogan C.A., Ryan C., Clark E., Francis J.J., Hughes C.M., A non-randomised pilot study of the Solutions for Medication Adherence Problems (S-MAP) intervention in community pharmacies to support older adults adhere to multiple medications, Pilot and Feasibility Studies, 7, (1), 2021 Journal Article, 2021 DOI

Watson C., Spiers J.P., Waterstone M., Russell-Hallinan A., Gallagher J., McDonald K., Ryan C., Gilmer J., Ledwidge M., Investigation of association of genetic variant rs3918242 of matrix metalloproteinase-9 with hypertension, myocardial infarction and progression of ventricular dysfunction in Irish Caucasian patients with diabetes: a report from the STOP-HF follow-up programme, BMC Cardiovascular Disorders, 21, (1), 2021 Journal Article, 2021 DOI

Patton D.E., Ryan C., Hughes C.M., Enhancing community pharmacists" provision of medication adherence support to older adults: A mixed methods study using the Theoretical Domains Framework, Research in Social and Administrative Pharmacy, 17, (2), 2021, p406 - 418, p406-418 Journal Article, 2021 DOI

Barry H.E., McGrattan M., Ryan C., Passmore A.P., Robinson A.L., Molloy G.J., Darcy C.M., Buchanan H., Hughes C.M., `I just take them because I know the people that give them to me": A theory-informed interview study of community-dwelling people with dementia and carers' perspectives of medicines management, International Journal of Geriatric Psychiatry, 2021 Journal Article, 2021 DOI

Sweeney C., Pharithi R.B., Kerr B., Ryan C., Ryan F., Collins L., Halley C., Barrett M., Watson C.J., McDonald K., Ledwidge M., NT-proBNP/BNP ratio for prognostication in European Caucasian patients enrolled in a heart failure prevention programme, ESC Heart Failure, 8, (6), 2021, p5081 - 5091, p5081-5091 Journal Article, 2021 DOI

Rankin A., Molloy G.J., Cadogan C.A., Barry H.E., Gorman A., Ryan C., Ferrett A., McCarthy P., Gormley G.J., Fahey T., Hughes C.M., Protocol for a process evaluation of an external pilot cluster randomised controlled trial of a theory-based intervention to improve appropriate polypharmacy in older people in primary care: the PolyPrime study, Trials, 22, (1), 2021 Journal Article, 2021 DOI

Cardwell K., Kerse N., Ryan C., Teh R., Moyes S.A., Menzies O., Rolleston A., Broad J., Hughes C.M., The Association Between Drug Burden Index (DBI) and Health-Related Outcomes: A Longitudinal Study of the `Oldest Old" (LiLACS NZ), Drugs and Aging, 37, (3), 2020, p205 - 213, p205-213 Journal Article, 2020 DOI

Barry H.E., Bedford L.E., McGrattan M., Ryan C., Passmore A.P., Robinson A.L., Molloy G.J., Darcy C.M., Buchanan H., Hughes C.M., Improving medicines management for people with dementia in primary care: A qualitative study of healthcare professionals to develop a theory-informed intervention, BMC Health Services Research, 20, (1), 2020 Journal Article, 2020 DOI

Barry HE, McGrattan M, Ryan C, Passmore AP, Robinson AL, Molloy GJ, Darcy CM, Buchanan H, Hughes CM., 'I just take them because I know the people that give them to me': A theory-informed interview study of community-dwelling people with dementia and carers' perspectives of medicines management, Int J Geriatr Psychiatry ., 23, 2020, p1-9 Journal Article, 2020 URL

Lynch T, Ryan C, Hughes CM, Presseau J, Allen ZM, Bradley CP, Cadogan CA, Brief interventions targeting long"term benzodiazepine and Z"drug use in primary care: a systematic review and meta"analysis, Addiction, 115, (9), 2020, p1618--1639 Journal Article, 2020

Cardwell K., Kerse N., Hughes C.M., Teh R., Moyes S.A., Menzies O., Rolleston A., Broad J.B., Ryan C., Does potentially inappropriate prescribing predict an increased risk of admission to hospital and mortality? A longitudinal study of the 'oldest old', BMC Geriatrics, 20, (1), 2020 Journal Article, 2020 DOI

Al AdAwi R.M., Stewart D., Ryan C., Tonna A.P., A systematic review of pharmacist input to metabolic syndrome screening, management and prevention, International Journal of Clinical Pharmacy, 42, (4), 2020, p995 - 1015, p995-1015 Journal Article, 2020 DOI

Stewart D., MacLure K., Pallivalapila A., Dijkstra A., Wilbur K., Wilby K., Awaisu A., McLay J.S., Thomas B., Ryan C., El Kassem W., Singh R., Al Hail M.S.H., Views and experiences of decision-makers on organisational safety culture and medication errors, International Journal of Clinical Practice, 74, (9), 2020 Journal Article, 2020 DOI

Cadogan, C.A., Dharamshi, R., Fitzgerald, S., Corish, C.A., Castro, P.D., Ryan, C., A systematic scoping review of interventions to improve appropriate prescribing of oral nutritional supplements in primary care, Clinical Nutrition, 39, (3), 2020, p654-663 Journal Article, 2020

McGrattan M., Barry H.E., Ryan C., Cooper J.A., Passmore A.P., Robinson A.L., Molloy G.J., Darcy C.M., Buchanan H., Hughes C.M., The development of a Core Outcome Set for medicines management interventions for people with dementia in primary care, Age and Ageing, 48, (2), 2019, p260 - 269, p260-269 Journal Article, 2019 DOI

Carolan A., Keating D., Strawbridge J., Ryan C., Optimising prescribing for patients with severe mental illness: The need for criteria, Evidence-Based Mental Health, 22, (4), 2019, p139 - 141 Journal Article, 2019 DOI

Ryan C., Teh R., Moyes S., Wilkinson T., Connolly M., Rolleston A., Kepa M., Kerse N., Quality of prescribing predicts hospitalisation in octogenarians: Life and living in advanced age: A cohort study in New Zealand (LiLACS NZ), BMC Geriatrics, 19, (1), 2019 Journal Article, 2019 DOI

Pharmaceutical Care in the Aged in, editor(s)Filipa Alves da Costa, Aldo Alvarez Risco, Foppe van Mil , The Pharmacist Guide to Implementing Pharmaceutical Care, Springer International, 2019, [Ryan C, O'Dwyer M] Book Chapter, 2019 DOI

Sweeney C., Ryan F., Ledwidge M., Ryan C., McDonald K., Watson C., Pharithi R.B., Gallagher J., Natriuretic peptide-guided treatment for the prevention of cardiovascular events in patients without heart failure, Cochrane Database of Systematic Reviews, 2019, (10), 2019 Journal Article, 2019 DOI

Stewart D., Thomas B., MacLure K., Pallivalapila A., El Kassem W., Awaisu A., McLay J.S., Wilbur K., Wilby K., Ryan C., Dijkstra A., Singh R., Al Hail M., Perspectives of healthcare professionals in Qatar on causes of medication errors: A mixed methods study of safety culture, PLoS ONE, 13, (9), 2018 Journal Article, 2018 DOI

Spargo M., Ryan C., Downey D., Hughes C., Development of a core outcome set for trials investigating the long-term management of bronchiectasis, Chronic Respiratory Disease, 16, 2018 Journal Article, 2018 DOI

Stewart D., Thomas B., MacLure K., Wilbur K., Wilby K., Pallivalapila A., Dijkstra A., Ryan C., El Kassem W., Awaisu A., McLay J.S., Singh R., Hail M.A., Exploring facilitators and barriers to medication error reporting among healthcare professionals in Qatar using the theoretical domains framework: A mixed-methods approach, PLoS ONE, 13, (10), 2018 Journal Article, 2018 DOI

Patton D.E, Cadogan C.A, Ryan C, Francis J.J, Gormley G.J, Passmore P, Kerse N, Hughes C.M, Improving adherence to multiple medications in older people in primary care: Selecting intervention components to address patient-reported barriers and facilitators, Health Expectations, 21, (1), 2018, p138 - 148 Journal Article, 2018 URL DOI

Rankin A, Cadogan C.A, Ryan C, Clyne B, Smith S.M, Hughes C.M, Core Outcome Set for Trials Aimed at Improving the Appropriateness of Polypharmacy in Older People in Primary Care, 2018 Journal Article, 2018 DOI URL

Teh R.O., Menzies O.H., Connolly M.J., Doughty R.N., Wilkinson T.J., Pillai A., Lumley T., Ryan C., Rolleston A., Broad J.B., Kerse N., Patterns of multi-morbidity and prediction of hospitalisation and all-cause mortality in advanced age, Age and Ageing, 47, (2), 2018, p261 - 268, p261-268 Journal Article, 2018 DOI

Cadogan CA, Ryan C, Cahir C, Bradley CP, Bennett K, Benzodiazepine and Z-drug prescribing in Ireland: analysis of national prescribing trends from 2005-2015., British journal of clinical pharmacology, 2018 Journal Article, 2018

Paudyal V., Cunningham S., Smith K.G., MacLure K., Ryan C., Cordina M., Methodological considerations in clinical outcomes assessment of pharmacy-based minor ailments management: A systematic review, PLoS ONE, 13, (10), 2018 Journal Article, 2018 DOI

Byrne C.J., Walsh C., Cahir C., Ryan C., Williams D.J., Bennett K., Anticholinergic and sedative drug burden in community-dwelling older people: A national database study, BMJ Open, 8, (7), 2018 Journal Article, 2018 DOI

Cardwell K., Hughes C.M., Ryan C., Community pharmacists" views of using a screening tool to structure medicines use reviews for older people: findings from qualitative interviews, International Journal of Clinical Pharmacy, 40, (5), 2018, p1086 - 1095 Journal Article, 2018 DOI

Spargo M., Ryan C., Downey D., Hughes C., The association between polypharmacy and medication regimen complexity and antibiotic use in bronchiectasis, International Journal of Clinical Pharmacy, 40, (5), 2018, p1342 - 1348, p1342-1348 Journal Article, 2018 DOI

Cadogan CA, Ryan C, Gormley GJ, Francis JJ, Passmore P, Kerse N, Hughes CM, A feasibility study of a theory-based intervention to improve appropriate polypharmacy for older people in primary care., Pilot and feasibility studies, 2018 Journal Article, 2018

Page A.T, Clifford R.M, Potter K, Seubert L, McLachlan A.J, Hill X, King S, Clark V, Ryan C, Parekh N, Etherton-Beer C.D, Exploring the enablers and barriers to implementing the Medication Appropriateness Tool for Comorbid Health conditions during Dementia (MATCH-D) criteria in Australia: A qualitative study, BMJ Open, 7, (8), 2017 Journal Article, 2017 DOI URL

Millar A, Hughes C, Ryan C, Evaluating the prevalence of potentially inappropriate prescribing in older adults in intermediate care facilities: a cross-sectional observational study, International Journal of Clinical Pharmacy, 39, (3), 2017, p527 - 535 Journal Article, 2017 URL DOI

Holton A.E., Gallagher P.J., Ryan C., Fahey T., Cousins G., Consensus validation of the POSAMINO (POtentially Serious Alcohol-Medication INteractions in Older adults) criteria, BMJ Open, 7, (11), 2017 Journal Article, 2017 DOI

Patton D.E, Hughes C.M, Cadogan C.A, Ryan C.A, Theory-Based Interventions to Improve Medication Adherence in Older Adults Prescribed Polypharmacy: A Systematic Review, Drugs and Aging, 34, (2), 2017, p97 - 113 Journal Article, 2017 DOI URL

McGrattan M, Ryan C, Barry H.E, Hughes C.M, Interventions to Improve Medicines Management for People with Dementia: A Systematic Review, Drugs and Aging, 34, (12), 2017, p907 - 916 Journal Article, 2017 DOI URL

Millar A, Hughes C, Devlin M, Ryan C, A cross-sectional evaluation of community pharmacists†perceptions of intermediate care and medicines management across the healthcare interface, International Journal of Clinical Pharmacy, 38, (6), 2016, p1380 - 1389 Journal Article, 2016 URL DOI

Cadogan C.A, Ryan C, Hughes C, Making the case for change: What researchers need to consider when designing behavior change interventions aimed at improving medication dispensing, Research in Social and Administrative Pharmacy, 12, (1), 2016, p149 - 153 Journal Article, 2016 DOI URL

Hughes C.M, Cadogan C.A, Ryan C.A, Development of a pharmacy practice intervention: lessons from the literature, International Journal of Clinical Pharmacy, 38, (3), 2016, p601 - 606 Journal Article, 2016 URL DOI

Cadogan C.A, Ryan C, Francis J.J, Gormley G.J, Passmore P, Kerse N, Hughes C.M, Development of an intervention to improve appropriate polypharmacy in older people in primary care using a theory-based method, BMC Health Services Research, 16, (1), 2016 Journal Article, 2016 URL DOI

McCullough A.R, Ryan C, Macindoe C, Yii N, Bradley J.M, O'Neill B, Elborn J.S, Hughes C.M, Behavior change theory, content and delivery of interventions to enhance adherence in chronic respiratory disease: A systematic review, Respiratory Medicine, 116, 2016, p78 - 84 Journal Article, 2016 URL DOI

Hughes C.M, Cadogan C.A, Patton D, Ryan C.A, Pharmaceutical strategies towards optimising polypharmacy in older people, International Journal of Pharmaceutics, 512, (2), 2016, p360 - 365 Journal Article, 2016 DOI URL

Cooper JA, Moriarty F, Ryan C, Smith SM, Bennett K, Fahey T, Wallace E, Cahir C, Williams D, Teeling M, Hughes CM., Potentially inappropriate prescribing in two populations with differing socio-economic profiles: a cross-sectional database study using the PROMPT criteria., European Journal of Clinical Pharmacology, 72, (5), 2016, p583 - 591 Journal Article, 2016

Mooney K, Ryan C, Downey D.G, Pharmacists†perspectives on monitoring adherence to treatment in Cystic Fibrosis, International Journal of Clinical Pharmacy, 38, (2), 2016, p296 - 302 Journal Article, 2016 DOI URL

Cadogan C.A, Ryan C, Hughes C.M, Appropriate Polypharmacy and Medicine Safety: When Many is not Too Many, Drug Safety, 39, (2), 2016, p109 - 116 Journal Article, 2016 URL DOI

O†Sullivan M, Ryan C, Downey D.G, Hughes C.M, A change in behaviour: getting the balance right for research and policy, International Journal of Clinical Pharmacy, 38, (5), 2016, p1027 - 1031 Journal Article, 2016 DOI URL

Barry H.E, Cooper J.A, Ryan C, Passmore A.P, Robinson A.L, Molloy G.J, Darcy C.M, Buchanan H, Hughes C.M, Potentially Inappropriate Prescribing among People with Dementia in Primary Care: A Retrospective Cross-Sectional Study Using the Enhanced Prescribing Database, Journal of Alzheimer's Disease, 52, (4), 2016, p1503 - 1513 Journal Article, 2016 URL DOI

O'mahony D, O'sullivan D, Byrne S, O'connor M.N, Ryan C, Gallagher P, STOPP/START criteria for potentially inappropriate prescribing in older people: Version 2, Age and Ageing, 44, (2), 2015, p213 - 218 Journal Article, 2015 URL DOI

Cardwell K, Hughes C.M, Ryan C, The Association Between Anticholinergic Medication Burden and Health Related Outcomes in the â€~Oldest Old†: A Systematic Review of the Literature, Drugs and Aging, 32, (10), 2015, p835 - 848 Journal Article, 2015 DOI URL

Mccullough A, Thomas E.T, Ryan C, Bradley J.M, O'Neill B, Elborn S, Hughes C, Interventions for enhancing adherence to treatment in adults with bronchiectasis, Cochrane Database of Systematic Reviews, 2015, (11), 2015 Journal Article, 2015 URL DOI

Bjerre L.M, Halil R, Catley C, Farrell B, Hogel M, Black C.D, Williams M, Ryan C, Manuel D.G, Potentially inappropriate prescribing (PIP) in long-term care (LTC) patients: Validation of the 2014 STOPP-START and 2012 Beers criteria in a LTC population-a protocol for a crosssectional comparison of clinical and health administrative data, BMJ Open, 5, (10), 2015 Journal Article, 2015 DOI URL

Cooper J.A, Cadogan C.A, Patterson S.M, Kerse N, Bradley M.C, Ryan C, Hughes C.M, Interventions to improve the appropriate use of polypharmacy in older people: A Cochrane systematic review, BMJ Open, 5, (12), 2015 Journal Article, 2015 DOI URL

Mahony D.O., Sullivan D.O., Byrne S., O'Connor M.N., Ryan C., Gallagher P., Erratum: STOPP/START criteria for potentially inappropriate prescribing in older people: Version 2 [Age and Ageing, 44, 2, (2015) (213-218)] DOI: 10.1093/ageing/afu145, Age and Ageing, 47, (3), 2015, p489- Journal Article, 2015 DOI

Millar A.N, Hughes C.M, Ryan C, "It's very complicated": A qualitative study of medicines management in intermediate care facilities in Northern Ireland, BMC Health Services Research, 15, (1), 2015 Journal Article, 2015 DOI URL

Bjerre LM, Ramsay T, Cahir C, Ryan C, Halil R, Farrell B, Thavorn K, Catley C, Hawken S, Gillespie U, Manuel DG, Assessing potentially inappropriate prescribing (PIP) and predicting patient outcomes in Ontario's older population: a population-based cohort study applying subsets of the STOPP/START and Beers' criteria in large health administrative databases., BMJ open, 5, (11), 2015, pe010146 Journal Article, 2015 DOI TARA - Full Text

McCullough A.R, Ryan C, O'Neill B, Bradley J.M, Elborn J.S, Hughes C.M, Defining the content and delivery of an intervention to Change AdhereNce to treatment in BonchiEctasis (CAN-BE): A qualitative approach incorporating the Theoretical Domains Framework, behavioural change techniques and stakeholder expert panels, BMC Health Services Research, 15, (1), 2015 Journal Article, 2015 URL DOI

Cadogan C.A, Ryan C, Francis J.J, Gormley G.J, Passmore P, Kerse N, Hughes C.M, Improving appropriate polypharmacy for older people in primary care: Selecting components of an evidence-based intervention to target prescribing and dispensing, Implementation Science, 10, (1), 2015 Journal Article, 2015 URL DOI

Cullinan S, Fleming A, O'Mahony D, Ryan C, O'Sullivan D, Gallagher P, Byrne S, Doctors' perspectives on the barriers to appropriate prescribing in older hospitalized patients: A qualitative study, British Journal of Clinical Pharmacology, 79, (5), 2015, p860 - 869 Journal Article, 2015 URL DOI

Millar A.N, Hughes C.M, Passmore A.P, Ryan C, Intermediate care: The role of medicines management, Drugs and Aging, 31, (1), 2014, p21 - 31 Journal Article, 2014 URL DOI

Patterson S.M, Cadogan C.A, Kerse N, Cardwell C.R, Bradley M.C, Ryan C, Hughes C, Interventions to improve the appropriate use of polypharmacy for older people, Cochrane Database of Systematic Reviews, 2014, (10), 2014 Journal Article, 2014 DOI URL

Ryan C, Appropriate treatment of depression in older community-dwelling adults, Journal of Primary Health Care, 6, (4), 2014, p268- Journal Article, 2014 URL

Ryan C, Hughes C, The 21st health services research and pharmacy practice conference: 'Coming of age: Rigour in pharmacy practice research' Belfast 16 and 17 April and 2015, International Journal of Pharmacy Practice, 22, (4), 2014, p237- Journal Article, 2014 URL DOI

Hanna L.-A, Barry J, Donnelly R, Hughes F, Jones D, Laverty G, Parsons C, Ryan C, Using debate to teach pharmacy students about ethical issues, American Journal of Pharmaceutical Education, 78, (3), 2014 Journal Article, 2014 DOI URL

Hughes C.M, Cooper J.A, Ryan C, Going beyond the numbers - A call to redefine polypharmacy, British Journal of Clinical Pharmacology, 77, (6), 2014, p915 - 916 Journal Article, 2014 DOI URL

Ryan C, Ross S, Davey P, Duncan E.M, Francis J.J, Fielding S, Johnston M, Ker J, Lee A.J, MacLeod M.J, Maxwell S, McKay G.A, McLay J.S, Webb D.J, Bond C, Prevalence and causes of prescribing errors: The PRescribing Outcomes for Trainee Doctors Engaged in Clinical Training (PROTECT) study, PLoS ONE, 9, (1), 2014 Journal Article, 2014 DOI URL

Cooper JA, Ryan C, Smith SM, Wallace E, Bennett K, Cahir C, Williams D, Teeling M, Fahey T, Hughes CM; (The PROMPT Steering Group) , The development of the PROMPT (PRescribing Optimally in Middle-aged People's Treatments) criteria., BMC Health Services Research, 14, 2014, p13 Journal Article, 2014

Ross S, Ryan C, Duncan E.M, Francis J.J, Johnston M, Ker J.S, Lee A.J, MacLeod M.J, Maxwell S, McKay G, McLay J, Webb D.J, Bond C, Perceived causes of prescribing errors by junior doctors in hospital inpatients: A study from the PROTECT programme, BMJ Quality and Safety, 22, (2), 2013, p97 - 102 Journal Article, 2013 URL DOI

Ryan C, O'mahony D, Kennedy J, Weedle P, Cottrell E, Heffernan M, O'mahony B, Byrne S, Potentially inappropriate prescribing in older residents in irish nursing homes, Age and Ageing, 42, (1), 2013, p116 - 120 Journal Article, 2013 DOI URL

Ryan C, O'Mahony D, O'Donovan D.Ã", O'Grady E, Weedle P, Kennedy J, Byrne S, A comparison of the application of STOPP/START to patients' drug lists with and without clinical information, International Journal of Clinical Pharmacy, 35, (2), 2013, p230 - 235 Journal Article, 2013 DOI URL

Ryan C, Ross S, Davey P, Duncan E.M, Fielding S, Francis J.J, Johnston M, Ker J, Lee A.J, MacLeod M.J, Maxwell S, McKay G, McLay J, Webb D.J, Bond C, Junior doctors' perceptions of their self-efficacy in prescribing, their prescribing errors and the possible causes of errors, British Journal of Clinical Pharmacology, 76, (6), 2013, p980 - 987 Journal Article, 2013 URL DOI

Ryan C, Mccullough A, Elborn S, Hughes C, Pharmacist-led interventions for adults with asthma or COPD, Cochrane Database of Systematic Reviews, 2013, (4), 2013 Journal Article, 2013 URL DOI

Duncan E.M, Francis J.J, Johnston M, Davey P, Maxwell S, McKay G.A, McLay J, Ross S, Ryan C, Webb D.J, Bond C, Ker J, Lee A, Learning curves, taking instructions, and patient safety: Using a theoretical domains framework in an interview study to investigate prescribing errors among trainee doctors, Implementation Science, 7, (1), 2012 Journal Article, 2012 URL DOI

Ross S, Hamilton L, Ryan C, Bond C, Who makes prescribing decisions in hospital inpatients? An observational study, Postgraduate Medical Journal, 88, (1043), 2012, p507 - 510 Journal Article, 2012 DOI URL

Hamilton H, Gallagher P, Ryan C, Byrne S, O'Mahony D, Potentially inappropriate medications defined by STOPP criteria and the risk of adverse drug events in older hospitalized patients, Archives of Internal Medicine, 171, (11), 2011, p1013 - 1019 Journal Article, 2011 DOI URL

O'Mahony D, Hamilton H.J, Gallagher P.F, Ryan C, Byrne S, Adverse drug events due to potentially inappropriate medications - Reply, Archives of Internal Medicine, 171, (21), 2011, p1960- Journal Article, 2011 URL DOI

Ryan C, OMahony D, Kennedy J, Weedle P, Byrne S, Appropriate prescribing in long-term care facilities, International Journal of Pharmacy Practice, 18, (SUPPL. 1), 2010, p5 - 6 Journal Article, 2010 DOI URL

O'Mahony D, Gallagher P, Ryan C, Byrne S, Hamilton H, Barry P, O'Connor M, Kennedy J, STOPP & START criteria: A new approach to detecting potentially inappropriate prescribing in old age, European Geriatric Medicine, 1, (1), 2010, p45 - 51 Journal Article, 2010 URL DOI

Ryan C, O'Mahony D, Byrne S, Application of STOPP and START criteria: Interrater reliability among pharmacists, Annals of Pharmacotherapy, 43, (7-8), 2009, p1239 - 1244 Journal Article, 2009 URL DOI

Ryan C, O'Mahony D, Kennedy J, Weedle P, Byrne S, Potentially inappropriate prescribing in an Irish elderly population in primary care, British Journal of Clinical Pharmacology, 68, (6), 2009, p936 - 947 Journal Article, 2009 URL DOI

Ryan C, O'Mahony D, Kennedy J, Weedle P, Barry P, Gallagher P, Byrne S, Appropriate prescribing in the elderly: An investigation of two screening tools, Beers criteria considering diagnosis and independent of diagnosis and improved prescribing in the elderly tool to identify inappropriate use of medicines in the elderly in primary care in Ireland, Journal of Clinical Pharmacy and Therapeutics, 34, (4), 2009, p369 - 376 Journal Article, 2009 URL DOI

Byrne S, Ryan C, O'Mahony D, Weedle P, Kennedy J, Ahern E, Inappropriate prescribing in the elderly: A review of primary care and nursing home prescriptions, International Journal of Pharmacy Practice, 16, (SUPPL. 1), 2008, pA36 - A37 Journal Article, 2008 URL

Barry PJ, Gallagher P, Ryan C., Inappropriate Prescribing in Geriatric Patients, Curr Psychiatry Rep , 10, 2008, p37 - 43 Journal Article, 2008

Gallagher P, Ryan C, Byrne S, Kennedy J, O'Mahony D. , STOPP (Screening Tool of Older Person's Prescriptions) and START (Screening Tool to Alert doctors to Right Treatment). Consensus validation., Int J Clin Pharm & Ther , 46, 2008, p72 - 83 Journal Article, 2008

Gallagher PF, Barry PJ, Ryan C, Hartigan I, O'Mahony D., Inappropriate prescribing in an acutely ill population of elderly patients as determined by Beers' Criteria., Age and Ageing, (37), 2008, p96 - 101 Journal Article, 2008

Barry PJ, Gallagher P, Ryan C, O'Mahony D., START (Screening tool to alert doctors to the right treatment)- an evidence based screening tool to detect prescribing omissions in elderly patients. , Age and Ageing , 36, 2007, p632 - 638 Journal Article, 2007

O"Connell, J., Gorman, A., Burke, É., Deb, S., Henman, M. C., McCallion, P., McCarron, M., Mullally, T., Mulryan, N., O'Dwyer, M. & Ryan, C., OPTIMA-ID: development and validation of a medicine optimization tool for older adults with intellectual disability., Expert Review of Clinical Pharmacology, p1 - 15 Journal Article, DOI TARA - Full Text

Recognition

Memberships

Member of the Pharmaceutical Society of Ireland 2005-