Director (CHaRT)
- 51cg
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- Email Address
- g.maclennan@abdn.ac.uk
- Telephone Number
- +44 (0)1224 438147
- Office Address
Health Services Research Unit
2nd Floor Health Sciences Building
Foresterhill
Aberdeen
AB25 2ZD- School/Department
- School of Medicine, Medical Sciences and Nutrition

Biography
I am currently Professor of Medical Statistics and the Director of the Centre for Health Care Randomised Trials (CHaRT) which is the Clinical Trials Unit embedded within the Health Services Research Unit. My overarching research interest is in designing fair tests of health care treatments and policies, with a specifc interest in evaluating surgical and complex interventions. I'm also interested in improving the design, conduct, and analysis and reporting of clinical trials through the development and application of methodological research to clinical trials from CHaRT.
My undergrad degree is in Mathematics from the 51cg, graduating in 1997. After a year training as a Mathematics teacher I joined the Unit in September 1998 as a statistician. I studied part-time for an MSc in Applied Statistics with Sheffield Hallam University, graduating in 2004. In 2008 I was appointed Senior Statistican, and in 2016 was I Interim Programme Director for the Health Care Assessment Programme, until being appointment as CHaRT Director in April 2017.
Qualifications
- BSc Mathematics1997 - 51cg
- MSc Applied Statistics2004 - Sheffield Hallam University
- Research
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Research Overview
The application of statistical methods to clinical trials. Recent example is JCE paper available on using instrumental variables in a surgery trial to address non-compliance. Collaborators were (Oxford), (Lancaster), and (Manchester).
Research on making trials more efficient, collaborating with .
Current Research
A complete list of the CHaRT RCT portolio is available by clicking
- Teaching
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Teaching Responsibilities
I teach on our MPH course module PU5031: EVIDENCE-BASED HEALTH.
- Publications
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Page 9 of 29 Results 81 to 90 of 285
Visualising harms in publications of randomised controlled trials: consensus and recommendations
BMJ (Clinical research ed.), vol. 377, e068983Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
- [ONLINE]
The effectiveness and cost-effectiveness of resuscitative endovascular balloon occlusion of the aorta (REBOA) for trauma patients with uncontrolled torso haemorrhage: study protocol for a randomised clinical trial (the UK-REBOA trial)
Trials, vol. 23, no. 1, 384Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Digital smartphone intervention to recognise and manage early warning signs in schizophrenia to prevent relapse: the EMPOWER feasibility cluster RCT
Health Technology Assessment, vol. 26, no. 27, pp. v-122Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
- [ONLINE]
ScotCap - A large observational cohort study
Colorectal Disease, vol. 24, no. 4, pp. 411-421Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Use of the oral beta blocker bisoprolol to reduce the rate of exacerbation in people with chronic obstructive pulmonary disease (COPD): a randomised controlled trial. (BICS)
Trials, vol. 23, no. 1, 307Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
The development of theory-informed participant-centred interventions to maximise participant retention in randomised controlled trials
Trials, vol. 23, no. 1, 268Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
Pulpotomy for the Management of Irreversible Pulpitis in Mature Teeth (PIP): a feasibility study
Pilot and Feasibility Studies, vol. 8, 77Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
- [ONLINE]
Single-Incision Mini-Slings for Stress Urinary Incontinence in Women
The New England Journal of Medicine, vol. 386, no. 13, pp. 1230-1243Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
- [OPEN ACCESS]
Shockwave lithotripsy compared with ureteroscopic stone treatment for adults with ureteric stones: the TISU non-inferiority RCT
Health technology assessment (Winchester, England), vol. 26, no. 19, pp. 1-70Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
- [ONLINE]
A peer-delivered intervention to reduce harm and improve the well-being of homeless people with problem substance use: the SHARPS feasibility mixed-methods study
Health technology assessment (Winchester, England), vol. 26, no. 14, pp. 1-128Contributions to Journals: Articles- [ONLINE] DOI:
- [OPEN ACCESS]
- [ONLINE]