Biography
Cathal Cadogan is an Associate Professor in Pharmacy Practice at the School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin (TCD). Cathal completed both his BSc. (Pharm.) and PhD in TCD. He then worked as a post-doctoral researcher in the School of Pharmacy, Queen's University Belfast before being appointed as Lecturer in Pharmacy Practice in the School of Pharmacy, Royal College of Surgeons in Ireland. Cathal took up his current post in TCD in 2021.
Cathal's main research interest focuses on developing supports to help people make informed decisions about starting and stopping/tapering psychotropic medication.
Cathal sits on the Board of Directors of the Alliance for Benzodiazepine Best Practices (https://benzoreform.org/). He is also an Associate Editor with the Cochrane Collaboration's EPOC Group and a member of the European Society of Clinical Pharmacy's Research Committee.
Cathal welcomes queries from prospective Masters and Ph.D. students. For more information on tapering projects that Cathal is currently supervising, go to www.tapersafer.org
Publications and Further Research Outputs
Peer-Reviewed Publications
Boland M, Higgins A, Beecher C, .... Cadogan C, Identifying priorities for future research on reducing and stopping psychiatric medication: results of a James Lind alliance priority setting partnership, BMJ Open, 14, (11), 2024, pe088266 - p14
Wirth F, Cadogan CA, Fialová D, Hazen A, Lutters M, Paudyal V, Weidmann AE, Okuyan B, Henman MC., Writing a manuscript for publication in a peer-reviewed scientific journal: Guidance from the European Society of Clinical Pharmacy., International journal of clinical pharmacy, 46, (2), 2024, p548-554
Brandt J., Bressi J., Le M.-L., Neal D., Cadogan C., Witt-Doerring J., Witt-Doerring M., Wright S., Prescribing and deprescribing guidance for benzodiazepine and benzodiazepine receptor agonist use in adults with depression, anxiety, and insomnia: an international scoping review, eClinicalMedicine, 70, 2024
Lynch T., Ryan C., Presseau J., Foster D.E., Huff C., Bennett K., Cadogan C., Development and validation of a theory-based questionnaire examining barriers and facilitators to discontinuing long-term benzodiazepine receptor agonist use, Research in Social and Administrative Pharmacy, 20, (2), 2024, p163 - 171, p163-171
Joseph O'Shea, Carmel Hughes, Gerard Molloy, Cathal Cadogan, Akke Vellinga, Tom Fahey, Gail Hayward, Paul Ryan, Aoife Fleming, Eimear Morrissey, Laura Cooke, Cristin Ryan, Protocol for the development of an intervention to improve the use of Point-of-caRE DiagnostICs in the management of respiraTOry tRact infectionS in primary care (the PREDICTORS study), HRB Open Research, 7, 2024, p73
French H.P., Cunningham J., Bennett K., Cadogan C.A., Clyne B., Doyle F., Moriarty F., Ryan J.M., Smith S.M., Passos V.L., Patterns of pain medication usage and self-reported pain in older Irish adults with osteoarthritis: A latent class analysis of data from the Irish Longitudinal Study on Ageing, BMC Musculoskeletal Disorders, 25, (1), 2024
Kristien Coteur, Cristín Ryan, Susan M Smith, Greg Sheaf, Marjorie DeWert, David Gardner, Cathal Cadogan, Interventions targeting the reduction or discontinuation of long-term use of benzodiazepine receptor agonists: protocol for an overview of systematic reviews, HRB Open Research, 7, 2024, p71
Cunningham, Joice, Doyle, Frank, Cadogan, Cathal, Clyne, Barbara, Ryan, Jennifer, Smith, Susan M, French, Helen P, Barriers and enablers to the management of osteoarthritis in primary care in Ireland from the perspective of healthcare professionals and individuals with osteoarthritis: a qualitative study using the Theoretical Domains Framework, BMJ Open, 14, (12), 2024, pe087054
Lynch T., Ryan C., Huff C., Foster D.E., Cadogan C., `We need more support and doctors that understand the process of tapering "": A content analysis of free-text responses to a questionnaire on discontinuing long-term benzodiazepine receptor agonist use, Health Expectations, 27, (1), 2024
Cole J., Hughes C., Cadogan C., Vellinga A., Molloy G., Fahey T., Sheaf G., Maher A., Ryan C., Evidence for using point-of-care diagnostics in the management of respiratory tract infections in primary care: a scoping review protocol, HRB Open Research, 6, 2023
Amy McGoldrick, Helen Byrne, Cathal Cadogan, An assessment of the reporting of tapering methods in antidepressant discontinuation trials using the TIDieR checklist, International Journal of Clinical Pharmacy, 45, (5), 2023, p1074-1087
Weidmann AE, Cadogan CA, Fialová D, Hazen A, Henman M, Lutters M, Okuyan B, Paudyal V, Wirth F., How to write a successful grant application: guidance provided by the European Society of Clinical Pharmacy., Intrenational Journal of Clinical Pharmacy, 45, (3), 2023, p781 - 786
Paudyal V, Okuyan B, Henman MC, Stewart D, Fialová D, Hazen A, Lutters M, Oleárová A, Weidmann AE, Wirth F, Cadogan CA, Nazar Z., Scope, content and quality of clinical pharmacy practice guidelines: a systematic review., International journal of clinical pharmacy, 2023
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
Patterson S, Cadogan C, Barry H, Hughes C, A survey of the community pharmacy workforce"s preparedness for, and response to, the COVID-19 pandemic in Northern Ireland, The International journal of pharmacy practice, 2022
Susan M Patterson, Cathal Cadogan, Heather E Barry, Kathleen E Bennett, Carmel Hughes, Cross-sectional questionnaire study of the experiences of community pharmacists in Northern Ireland during the early phases of the COVID-19 pandemic: preparation, experience and response, BMJ Open, 2022
Boland M, Higgins A, Beecher C, Bracken P, Burn W, Cody A, Framer A, Gronlund TA, Horowitz M, Huff C, Jayacodi S, Keating D, Kessler D, Cadogan C, Priorities for future research on reducing and stopping psychiatric medicines using a James Lind Alliance priority setting partnership: The PROTECT study protocol, 2022
Barry A, Lewin S, Cadogan CA, Applying the intervention Complexity Assessment Tool to brief interventions targeting long-term benzodiazepine receptor agonist use in primary care: Lessons learned., BMC primary care, 2022
Tom Lynch, Cristín Ryan, Cathal A. Cadogan, `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, 25, (1), 2022, p355-365
Melanie Murphy, Kathleen Bennett, Marie Wright, Martina O"Reilly, Marian Conroy, Carmel Hughes, Sarah McLean, Cathal A. Cadogan, Potentially inappropriate prescribing in older adults with cancer receiving specialist palliative care: a retrospective observational study, International Journal of Clinical Pharmacy, 2022
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
Barry H, Cadogan C, O"Reilly E, Patterson S, Fitzell C, Hughes C, Changes to community pharmacy practice during the COVID-19 pandemic: a cross-country documentary analysis, The International journal of pharmacy practice, 2022
Cadogan CA., Pharmacist interventions to deprescribe benzodiazepines in older adults: A missed opportunity?, Research in social & administrative pharmacy : RSAP, 2022, pS1551-7411(22)00176-0
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
Cullen M, Cadogan C, George S, Murphy S, Freeney S, Fitzpatrick R, Strawbridge J, Key stakeholders' views, experiences and expectations of patient and public involvement in healthcare professions' education: a qualitative study., BMC medical education, 2022
Melanie Murphy, Kathleen Bennett, Sinéad Ryan, Carmel M. Hughes, Amanda H. Lavan, Cathal A. Cadogan, A systematic scoping review of interventions to optimise medication prescribing and adherence in older adults with cancer, Research in Social and Administrative Pharmacy, 18, (3), 2022, p2392--2402
Susan M Patterson, Cathal A Cadogan, Heather E Barry, Carmel M Hughes, "It stayed there, front and centre": perspectives on community pharmacy"s contribution to front-line healthcare services during the COVID-19 pandemic in Northern Ireland, BMJ Open, 2022
Boland M, Higgins A, Sheaf G, Cadogan C, Mobile phone applications to support psychotropic tapering: a scoping review protocol, HRB Open Res, 5, (18), 2022
Developing, Implementing and Evaluating Complex Services/Interventions, and Generating the Evidence in, Encyclopedia of Evidence in Pharmaceutical Public Health and Health Services Research in Pharmacy, Springer, 2022, pphttps://doi.org/10.1007/978-3- , [Cadogan C]
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
Paudyal V, Cadogan C, Hazen A, Okuyan B, Lutters M, Henman M, Fialová D, Stewart D, Provision of clinical pharmacy services in European countries during the COVID-19 pandemic: a qualitative study of clinical pharmacists' views and experiences, Research in Social and Administrative Pharmacy, 2021, pdoi: 10.1016/j.sapharm.2020.11
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
Cadogan CA, Murphy M, Boland M, Bennett K, McLean S, Hughes C, Prescribing practices, patterns, and potential harms in patients receiving palliative care: A systematic scoping review., Exploratory research in clinical and social pharmacy, 2021
Cathal A. Cadogan, Colin P. Bradley, Kathleen Bennett, Impact of changes in controlled drugs legislation on benzodiazepine receptor agonist prescribing in Ireland: a repeated cross-sectional study, European Journal of Clinical Pharmacology, 2021
Cadogan C.A., Hughes C.M., On the frontline against COVID-19: Community pharmacists" contribution during a public health crisis, Research in Social and Administrative Pharmacy, 17, (1), 2021, p2032 - 2035, p2032-2035
Cadogan CA, Murphy M, McLean S, Bennett K, Hughes CM, Development of criteria for identifying potentially inappropriate prescribing in older adults with cancer receiving palliative care (PIP-CPC)., Journal of geriatric oncology, 2021
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
D. E. Patton, C. J. Pearce, M. Cartwright, F. Smith, C. A. Cadogan, C. Ryan, E. Clark, J. J. Francis, C. M. Hughes, A non-randomised pilot study of the Solutions for Medication Adherence Problems (SMAP) intervention in community pharmacies to support older adults adhere to multiple medications, Pilot and Feasibility Studies, 7, (1), 2021, pDOI:10.1186/s40814-020-00762-3
Paudyal V, Fialová D, Henman M C, Hazen A, Okuyan B, Lutters M, Cadogan C, Alves da Costa F, Galfrascoli E, Pudritz YM, Rydant S, Acosta-Gómez J., Pharmacists' involvement in COVID-19 vaccination across Europe: A situational analysis of current practice and policy., International Journal of Clinical Pharmacy, 2021
Joice Cunningham, Frank Doyle, Jennifer M. Ryan, Barbara Clyne, Cathal Cadogan, Elizabeth Cottrell, Susan M. Smith, Helen P. French, Primary care-based models of care for osteoarthritis: a scoping review protocol, HRB Open Research, 4, 2021, p48
Guerreiro MP, Strawbridge J, Cavaco AM, Félix IB, Marques MM, Cadogan C, Development of a European competency framework for health and other professionals to support behaviour change in persons self-managing chronic disease., BMC medical education, 2021
Murphy M., Bennett K., Hughes C.M., Lavan A., Cadogan C.A., Interventions to optimise medication prescribing and adherence in older people with cancer: A systematic scoping review, Research in Social and Administrative Pharmacy, 16, (12), 2020, p1627 - 1631, p1627-1631
Fulone I, Cadogan CA, Cuadrado C, Barberato-Filho S, Bergamaschi CC, Mazzei LG, Silva MT, Lopes LC., Pharmaceutical policies: effects of policies regulating drug marketing, Cochrane Database of Systematic Reviews, 11, (CD013780), 2020
Derek Stewart · Vibhu Paudyal · Cathal Cadogan· Ankie Hazen · Betul Okuyan · Monika Lutters · Martin Henman · Daniella Fialová, A survey of the European Society of Clinical Pharmacy members' research involvement, and associated enablers and barriers, International Journal of Clinical Pharmacy, 42, (4), 2020, p1073 - 1087
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
Cathal A. Cadogan, Audrey Rankin, Simon Lewin, Carmel M. Hughes, Application of the intervention Complexity Assessment Tool for Systematic Reviews within a Cochrane review: an illustrative case study, HRB Open Research, 3, 2020, p31
Paudyal V, Cadogan C, Fialová D, Henman MC, Hazen A, Okuyan B, Lutters M, Stewart D, Provision of clinical pharmacy services during the COVID-19 pandemic: experiences of pharmacists from 16 European countries, Research in Social & Administrative Pharmacy, 17, (8), 2020, p1507 - 1517
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
Importance of Mixed Methods Research in Pharmacy Practice in, Pharmacy Practice Research Methods, Singapore, Springer Singapore, 2020, pp137 - 154, [Ryan CristÃ, Cadogan Catha, Hughes Carme]
Cochrane Effective Practice and Organisation of Care (EPOC) Group , The Cochrane Library, [Associate Editor], 2019
Patton, D.E., Francis, J.J., Clark, E., Smith, F., Cadogan, C.A., Ryan, C., Hughes, C.M., A pilot study of the S-MAP (Solutions for Medications Adherence Problems) intervention for older adults prescribed polypharmacy in primary care: Study protocol, Pilot and Feasibility Studies, 5, (1), 2019
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
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
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
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
Rankin A, Cadogan CA, Patterson SM, Kerse N, Cardwell CR, Bradley MC, Ryan C, Hughes C, Interventions to improve the appropriate use of polypharmacy for older people, The Cochrane Database of Systematic Reviews, 8, (CD008165), 2018
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
Research in Social and Administrative Pharmacy, Elsevier, [Editorial Board member], 2017
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
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
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
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
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
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
Cadogan CA, Ryder SA, Community pharmacists' role in benzodiazepine supply in Ireland: A questionnaire of pharmacists' views and experiences., International Journal of Pharmacy Practice, 23, (6), 2015, p415-22
Mixed methods research in pharmacy practice in, Pharmacy Practice Research Methods, 2015, pp107-121 , [Ryan, C., Cadogan, C., Hughes, C.]
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
Cadogan C, Ryder S, An audit of prescribing practices for benzodiazepines and Z-Drugs, Irish Medical Journal, 108, (3), 2015, p84-86
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
Research Expertise
Projects
- Title
- A mixed methods study of the community pharmacy workforce's preparedness for, and response to, the COVID-19 pandemic
- Funding Agency
- HSC R&D Division Northern Ireland
- Date From
- October 2020
- Date To
- September 2021
- Title
- Development of a model of care for osteoarthritis in primary care in Ireland - A mixed methods study
- Funding Agency
- Health Research Board
- Date From
- 2020
- Date To
- 2024
- Title
- Improving healthcare students' competencies for behaviour change to effectively support self-management in chronic diseases (Train4Health)
- Funding Agency
- European Commission's Erasmus+ Funding Programme
- Date From
- 2019
- Date To
- 2022
- Title
- A randomised pilot study of a theory-based intervention to improve appropriate polypharmacy in older people in primary care (PolyPrime).
- Funding Agency
- Cross-border Healthcare Intervention Trials in Ireland Network (CHITIN)
- Date From
- 2018
- Date To
- 2021
- Title
- Medicines optimisation for patients living with cancer and receiving palliative care
- Funding Agency
- Irish Cancer Society and All Ireland Institute of Hospice and Palliative Care
- Date From
- 2018
- Date To
- 2021
- Title
- A pilot study of the S-MAP (Solutions for Medication Adherence Problems) intervention in older adults prescribed polypharmacy in primary care
- Funding Agency
- Dunhill Medical Trust
- Date From
- 2017
- Date To
- 2020
Recognition
Representations
Board of Directors: Alliance for Benzodiazepines Best Practices
Awards and Honours
Royal Irish Academy Charlemont Scholar 2018
RCSI StAR International Academic Engagement Fellowship 2018
Memberships
Member of the Pharmaceutical Society of Ireland
Member of the Cochrane Collaboration
Member of the European Society of Clinical Pharmacy
Member of the Palliative Care Research Network
Member of the European Association for Palliative Care
Member of the Alliance for Benzodiazepine Best Practices