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Institute of Population Health Sciences (IPHS)

Dr Ratna Sohanpal, BDS, Msc, DDPH, PhD


Post-doctoral Researcher in Health Services Research and General RDS Advisor

Telephone: 020 7882 2492


Ratna is a Post-doctoral researcher in health services research and Primary Care Senior Trial Manager in the PCTU. Her research interests include complex interventions, chronic disease management, COPD management, improving patient participation in research and in evidence-based self-management support programmes. Ratna currently manages a NIHR-HTA funded multi-centre randomised controlled trial called TANDEM. TANDEM  is looking at whether a cognitive behavioural approach intervention delivered by trained respiratory health care professionals and linked with pulmonary rehabilitation improves anxiety and/or depression in moderate to severe patients with chronic obstructive pulmonary disease.  



Problem-Based Learning


Research Interests:

Research involving complex interventions for the prevention, management and self-management of long term conditions using mixed-methods approaches.

Recent and Ongoing research projects:

STOP: Smoking Treatment Optimisation in Community Pharmacies

TANDEM: Tailored intervention for Anxiety and Depression Management in COPD


Sohanpal, R., Steed, E., Mars, T., Priebe, S., Taylor S.J.C. Understanding reasons for patient attendance and non-attendance in pulmonary rehabilitation and COPD self-management programmes: A qualitative synthesis and application of theory. npj Primary Care Respiratory Medicine 2015 25, 15054; doi:10.1038/npjpcrm.2015.54; published online 17 September.

Kotta Siddharth., Gadhvi, Dev., Jakeways, Niki., Saeed, Maryum., Sohanpal, Ratna., Hull, Sally., Famakin, Olufunke., Martineau, Adrian., Griffiths, Chris. “Test me and treat me”—attitudes to vitamin D deficiency and supplementation: a qualitative study. BMJ Open 2015;5:e007401. doi:10.1136/bmjopen-2014-007401

Sohanpal, R., Epiphaniou, E., Taylor S.J.C. Self-management for COPD? Why does it generate negative connotations? British Journal of General Practice. August 1, 2014 vol. 64 no. 625 e522-e524 DOI:10.3399/bjgp14X681157

Robson, J., Dostal, I., Mathur, R., Sohanpal, R., Hull, S., Antoniou, S., MacCallum, P., Schilling R., Ayerbe, L., Boomla, K. Improving anticoagulation in atrial fibrillation: observational study in three primary care trusts. British Journal of General Practice, 2014; DOI:10.3399/bjgp14X679705

Sohanpal, R., Hooper, R., Hames, R., Priebe, S., Taylor S.J.C. Reporting participation rates in studies of non‑pharmacological interventions for patients with chronic obstructive pulmonary disease: a systematic review. Systematic Reviews Journal, 2012; 1:66

Sohanpal R, Rivas C, Steed L, MacNeill V, Kuan V, Edwards E, Griffiths C, Eldridge S, Taylor S, Walton R. Understanding recruitment and retention in the NHS community pharmacy stop smoking service: perceptions of smoking cessation advisers. BMJ Open. 2016 Jul 7;6(7):e010921. 

Pinnock H, Sohanpal RChronic Obstructive Pulmonary Disease: Reduced Nihilism, But There is Still a Ways to Go. Chronic Obstr Pulm Dis. 2016 Jun 29;3(3):605-609. 


Madurasinghe VW, Sohanpal R, James W, Steed L, Eldridge S, Taylor S, Griffiths C, Walton R. 

Smoking treatment optimisation in pharmacies (STOP): a cluster randomised pilot trial of a training intervention. Pilot Feasibility Stud. 2017 Jan 10;3:1


Jumbe S, James WY, Madurasinghe V, Steed L, Sohanpal R, Yau TK, Taylor S, Eldridge S, Griffiths C, Walton R. Evaluating NHS Stop Smoking Service engagement in community pharmacies using simulated smokers: fidelity assessment of a theory-based intervention. BMJ Open. 2019 May 19;9(5):e026841.


Carnes D, Sohanpal R, Frostick C, Hull S, Mathur R, Netuveli G, Tong J, Hutt P, Bertotti M. The impact of a social prescribing service on patients in primary care: a mixed methods evaluation. BMC Health Serv Res. 2017 Dec 19;17(1):835.