Dr Morales is a General Practitioner conducting epidemiology and pharmacoepidemiology research. His interests include investigating the intended and adverse effects of drugs, medicines utilisation, risk communication and regulatory science.

Morales DR, Dreischulte T, Lipworth BJ, Donnan PT, Jackson C, Guthrie B. Respiratory effect of beta-blocker eye drops in asthma: population based study and meta-analysis of clinical trials. Br J Clin Pharmacol. 2016 May 10. Morales DR, Guthrie B, Lipworth BJ, Jackson C, Donnan PT, Santiago VH. NSAID-exacerbated respiratory disease: a meta-analysis evaluating prevalence, mean provocative dose of aspirin and increased asthma morbidity. Allergy. 2015;70:828-35. Dreischulte T, Morales DR, Bell S, Guthrie B. Combined use of nonsteroidal anti-inflammatory drugs with diuretics and/or renin-angiotensin system inhibitors in the community increases the risk of acute kidney injury. Kidney Int. 2015;88:396-403. Morales DR, Morris AD. Metformin in Cancer Treatment and Prevention. Annu Rev Med. 2015;66:17-29. Morales DR. Initiating beta-blockers in people with asthma. Prescriber. 2014;25:9-10. Guthrie B, Morales DR. What happens when pay for performance stops? BMJ. 2014;348:g1413. Morales DR, Jackson C, Lipworth BL, Donnan PT, Guthrie B. Adverse respiratory effect of acute beta-blocker exposure in asthma: a systematic review and meta-analysis of randomized controlled trials. Chest. 2014;145:779-86. Morales DR, Lipworth BL, Guthrie B, Jackson C, Donnan PT, Santiago VH. Safety risks for patients with aspirin-exacerbated respiratory disease after acute exposure to selective nonsteroidal anti-inflammatory drugs and COX-2 inhibitors: Meta-analysis of controlled clinical trials. J Allergy Clin Immunol. 2014; 134: 40-45 Morales DR. LABA monotherapy in asthma. Br J Gen Pract. 2013;63(617):627-8. Guthrie B, Clark SA, Reynish EL, McCowan C, Morales DR. Differential impact of two risk communications on antipsychotic prescribing to people with dementia in Scotland: segmented regression time series analysis 2001-2011. PLoS One. 2013;8(7):e68976. Morales DR, Donnan PT, Daly F, van Staa T, Sullivan FM. Impact of clinical trial findings on Bell’s palsy management in the United Kingdom 2001-2012: interrupted time series regression analysis. BMJ Open. 2013;3(7). Morales DR, Jackson C, Fielding S, Guthrie B. Long-acting β-agonist prescribing in people with asthma in primary care. Thorax. 2013;68:192-4. Morales DR, Guthrie B, Lipworth BJ, Donnan PT, Jackson C. Prescribing of β-adrenoceptor antagonists in asthma: an observational study. Thorax. 2011;66:502-7. Ziglam H, Morales D, Webb K, Nathwani D. Knowledge about sepsis among training-grade doctors. J Antimicrob Chemother. 2006;57:963-65. Wemyss-Holden SA, Court FG, Morrison CP, Teague BD, Burrell A, Morales DR, Rodgers N, Anthony AA, Metcalfe MS, Dennison AR, Maddern GJ. Palliation of pancreatic cancer using electrolytic ablation. Surg Endosc. 2003;17:207-11.