Dr Imaina Widagdo

Dr Imaina Widagdo

Research Fellow, Biostatistics and Epidemiology

School of Pharmacy and Biomedical Sciences

College of Health

Eligible to supervise Masters and PhD - email supervisor to discuss availability.

Year Citation
2026 Widagdo, I., Bui, T., Cortis, L., Andrade, A., & Roughead, E. (2026). Concurrent use of medicines with similar adverse drug reaction profiles in older adults: identifying potential deprescribing opportunities using population-level dispensing data. International Journal of Clinical Pharmacy, 48(4), 1725-1730.
DOI
2026 Amer, H., Marotti, S., Johnson, J., Widagdo, I., Burns, K., Goldsworthy, S., . . . Ellett, L. K. (2026). Patient perspectives and experiences of collaborative pharmacist prescribing in the hospital inpatient setting: a cross-sectional survey. International Journal of Clinical Pharmacy, 14 pages.
DOI
2025 Amer, H., Marotti, S., Inglis, J. M., Widagdo, I., Goldsworthy, S., Johnson, J., & Kalisch Ellett, L. (2025). Evaluating medication discrepancies and harm: a matched cohort study of collaborative pharmacist prescribing in a statewide healthcare system using electronic prescribing. International Journal of Clinical Pharmacy, online(1), 1-10.
DOI Scopus2 WoS2 Europe PMC1
2025 Widagdo, I., Kerr, M., Ellett, L. K., Schlegel, C., Sadeqzadeh, E., Wang, A., . . . Pratt, N. (2025). Validity of the Updated Rx-Risk Index as a Disease Identification and Risk-Adjustment Tool for Use in Observational Health Studies. Clinical Interventions in Aging, 20, 309-323.
DOI Scopus2 WoS2
2025 Ayeno, H. D., Atee, M., Kassie, G. M., Suppiah, V., Widagdo, I., & Nguyen, T. A. (2025). Psychotropic medications versus non-pharmacologic approaches for managing behavioural and psychological symptoms in Australian aged care residents with dementia: general practitioners’ and physicians’ perspectives. Therapeutic Advances in Psychopharmacology, 15(20451253251387908), 15 pages.
DOI Scopus1 WoS1 Europe PMC1
2025 Amer, H., Marotti, S., Widagdo, I., Goldsworthy, S., Johnson, J., & Kalisch Ellett, L. (2025). Collaborative pharmacist prescribing models in Australian hospitals: a scoping study. Research in Social and Administrative Pharmacy, 22(2), 1-10.
DOI Scopus1 WoS1
2025 Widagdo, I., Kemp-Casey, A., Dorj, G., Andrade, A., & Pratt, N. (2025). Denominator Matters: Comparing the Impact of Estimated Resident Population Versus Medicare Enrolment Population on Healthcare Utilisation Analyses. Health Promotion Journal of Australia, 36(3), e70069.
DOI Scopus1 WoS1 Europe PMC1
2024 Diep, I., & Widagdo, I. (2024). Use of 'number needed to treat' in optometry practice. Clinical and Experimental Optometry, 107(3), 349-350.
DOI
2023 Andrade, A. Q., Widagdo, I., Lim, R., Kelly, T. L., Parfitt, G., Pratt, N., . . . Roughead, E. E. (2023). Correlation of frailty assessment metrics in one-year follow-up of aged care residents: a sub-study of a randomised controlled trial. Aging Clinical and Experimental Research, 35(10), 2081-2087.
DOI Scopus2 WoS2 Europe PMC1
2023 Kalisch Ellett, L. M., Dorj, G., Andrade, A. Q., Bilton, R. L., Rowett, D., Whitehouse, J., . . . Roughead, E. E. (2023). Prevalence and preventability of adverse medicine events in a sample of Australian aged-care residents: a secondary analysis of data from the ReMInDAR trial. Drug Safety, 46(5), 493-500.
DOI Scopus6 WoS5 Europe PMC5
2023 Dorj, G., Nair, N. P., Bereznicki, L., Kelly, T. L., Pratt, N., Kalisch-Ellett, L., . . . Roughead, E. (2023). Correction to: Risk factors predictive of adverse drug events and drug-related falls in aged care residents: secondary analysis from the ReMInDAR trial (Drugs & Aging, (2023), 40, 1, (49-58), 10.1007/s40266-022-00983-6). Drugs and Aging, 40(1), 89.
DOI
2023 Dorj, G., Nair, N. P., Bereznicki, L., Thu Kelly, L., Pratt, N., Kalisch Ellet, L., . . . Roughead, E. (2023). Risk factors predictive of adverse drug events and drug-related falls in aged care residents: secondary analysis from the ReMInDAR trial. Drugs & Aging, 40(1), 49-58.
DOI Scopus9 WoS9 Europe PMC9
2022 Dorj, G., Lim, R., Ellett, L. K., Kelly, T. L., Andrade, A., Widagdo, I., . . . Roughead, E. (2022). Medicine-related problems: a recurrent issue among residents living in nursing homes. Frontiers In Pharmacology, 13, 1-9.
DOI Scopus1 WoS2 Europe PMC1
2019 Lim, R., Kalisch Ellett, L. M., Widagdo, I. S., Pratt, N. L., & Roughead, E. E. (2019). Analysis of anticholinergic and sedative medicine effects on physical function, cognitive function, appetite and frailty: A cross-sectional study in Australia. BMJ Open, 9(9), 9 pages.
DOI Scopus35 WoS33 Europe PMC29
2018 Widagdo, I. S., Pratt, N. L., & Roughead, E. E. (2018). The association between frailty and medicines use over time: an analysis using the Australian Longitudinal Study on Ageing population. Journal of Pharmacy Practice and Research, 48(5), 405-415.
DOI Scopus1
2016 Widagdo, I. S., Pratt, N., Russell, M., & Roughead, E. E. (2016). Construct validity of four frailty measures in an older Australian population: a Rasch analysis. Journal of frailty & aging, 5(2), 78-81.
DOI Scopus17 WoS16 Europe PMC16
2015 Widagdo, I. S., Pratt, N., Russell, M., & Roughead, E. E. (2015). Predictive performance of four frailty measures in an older Australian population. Age and Ageing, 44(6), 967-972.
DOI Scopus36 WoS37 Europe PMC31
2015 Widagdo, I., Pratt, N., Russell, M., & Roughead, E. (2015). How common is frailty in older Australians?. Australasian Journal on Ageing, 34(4), 247-251.
DOI Scopus16 WoS13 Europe PMC12
2011 Widagdo, I. S., Nyfort Hansen, K., & Kowalski, S. R. (2011). Prevalence of potentially inappropriate medication use in elderly hospitalised patients. Journal of pharmacy practice and research, 41(2), 122-125.
DOI Scopus7

Year Citation
2026 Widagdo, I., Bui, T., Graham, D., Ailaboun, N., King-Okoye, M., Lim, R., & Semple, S. (2026). Medicine Safety: Culturally and linguistically diverse community care.
2025 Pharmaceutical Society of Australia. (2025). Medicine safety: Child and adolescent care. Canberra, ACT: Pharmaceutical Society of Australia.
2025 Roughead, L., Widagdo, I., & Kemp-Casey, A. (2025). Handbook of tools to support medicine management in multimorbidity and polypharmacy. Adelaide, SA: Quality Use of Medicines and Pharmacy Research Centre, University of South Australia.
2024 Pratt, N., Kalisch Ellett, L., Gadzhanova, S., Kemp-Casey, A., & Widagdo, I. (2024). Utilisation analysis of antihypertensives: Final report. Adelaide, SA: Quality Use of Medicines and Pharmacy Research Centre, University of South Australia.

Year Citation
- Widagdo, I. (n.d.). RxRisk 2021 SAS Macro [Computer Software].
DOI

  • Veterans' Medicines Advice and Therapeutics Education Services (Veterans' MATES) Program, Cwth Dept of Veterans' Affairs, 01/09/2015 - 30/06/2027

  • Enhancing mental health care through a real-time Quality Use of Medicines (QUM) data analytics dashboard in acute mental health hospitals, Cwth Dept of Foreign Affairs and Trade, 22/07/2024 - 21/07/2026

  • A report summarising the evidence on the safety, quality and efficacy of medicinal cannabis, Australian Commission on Safety and Quality in Health Care, 27/06/2025 - 27/10/2025

  • Analysis of PBS data for National Report on Antimicrobial Use and Resistance 2024, Australian Commission on Safety and Quality in Health Care, 17/04/2025 - 31/08/2025

  • Medication Safety in Children: Literature review, Pharmaceutical Society of Australia, 23/07/2024 - 28/02/2025

Date Role Research Topic Program Degree Type Student Load Student Name
2026 Co-Supervisor Modelling Treatment Trajectories and Predicting Outcomes to Improve Care in Individuals with Attention Deficit Hyperactivity Disorder (ADHD) Doctor of Philosophy Doctorate Full Time Miss Mhairi Kerr
2026 Principal Supervisor Feasibility and impact of pharmacist role in laboratory testing-Strengthening quality use of medicines in primary care Doctor of Philosophy Doctorate Full Time Dr Anood Tareq Allam Abdelazeem
2025 Co-Supervisor Design and Evaluation of Multi-Epitope Peptides (MEPs) as Vaccine Candidates to Combat Multidrug-Resistant Acinetobacter baumannii Doctor of Philosophy Doctorate Full Time Mr Girija Roka
2025 Co-Supervisor Establishing a cross-country multipronged approach to prepare for the pandemic of antimicrobial resistance (MAPP-AMR) Doctor of Philosophy Doctorate Full Time Girija Roka
2024 Co-Supervisor Improving the management of behavioural and psychological symptoms of dementia: strategies to enhance the use of non-pharmacological interventions - Doctorate Full Time Mr Hunduma Dinsa Ayeno
2024 Co-Supervisor Understanding safety and effectiveness of new medicines used by patients with complex treatment histories Doctor of Philosophy Doctorate Full Time Ms Kelly Hall
2022 Co-Supervisor Avoiding the harm: safe medication care pathways in hospitals Doctor of Philosophy Doctorate Full Time Miss Hana Amer

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