top of page

RESEARCH IN FOCUS

Explore OPRI’s collection of published research on Oral Corticosteroid (OCS) use

PUBLICATIONS DATABASE

The comparative effectiveness of initiating fluticasone/salmeterol combination therapy via pMDI versus DPI in reducing exacerbations and treatment escalation in COPD: a UK database study

International Journal of Chronic Obstructive Pulmonary Disease

17 August 2017

Rupert Jones, Jessica Martin, Vicky Thomas, Derek Skinner, Jonathan Marshall, Martina Stagno d’Alcontres, David Price

Inhaler errors in the CRITIKAL study: type, frequency, and association with asthma outcomes

Journal of Allergy and Clinical Immunology: In Practice

1 August 2017

David Price, Miguel Román Rodríguez, R. Brett McQueen, Sinthia Bosnic-Anticevich, Victoria Carter, Kevin Gruffyd-Jones, John Haughney, Svein Høegh Henrichsen, Catherine Hutton, Antonio Infantino, Federico Lavorini, Lisa M Law, Karin Lisspers, Alberto Papi, Dermot Ryan, Björn Ställberg, Thys van der Molen, Henry Chrystyn

Full Text

Blood eosinophil count and exacerbation risk in patients with COPD

European Respiratory Journal

20 July 2017

Marjan Kerkhof, Samatha Sonnappa, Dirkje Postma, Guy Brusselle, Alvar Agustí, Antonio Anzueto, Rupert Jones, Alberto Papi, Ian Pavord, Emilio Pizzichini, Todor Popov, Nicolas Roche, Dermot Ryan, Mike Thomas, Claus Vogelmeier, Alison Chisholm, Daryl Freeman, Mona Bafadhel, Elizabeth V Hillyer, David Price

Impact of spacers on therapeutic ratio with inhaled corticosteroids

Journal of Allergy and Clinical Immunology: In Practice

1 July 2017

Theresa W Guilbert, David Price

Pub Med

Initiating or changing to a fixed-dose combination of fluticasone propionate/formoterol over fluticasone propionate/salmeterol: a real-life effectiveness and cost impact evaluation

Respiratory Medicine

24 June 2017

Simon Wan Yau Ming, John Haughney, Iain Small, Stephanie Wolfe, John Hamill, Kevin Gruffyd-Jones, Cathal Daly, Joan B. Soriano, Elizabeth Gardener, Derek Skinner, Martina Stagno d’Alcontres, David Price

Risk of pneumonia in obstructive lung disease: a real-life study comparing extra-fine and fine-particle inhaled corticosteroids

PLOS ONE

15 June 2017

Samatha Sonnappa, Richard J Martin, Elliot Israel, Dirkje Postma, Willem M.C. van Aalderen, Annie Burden, David Price, Omar S. Usmani

Real-life effectiveness and safety of the inhalation suspension budesonide comparator vs the originator product for the treatment of patients with asthma: a historical cohort study using a US health claims database

Pragmatic and Observational Research

18 May 2017

David Price, Eran Gefen, Gokul Gopalan, Cristiana Miglio, Rosie McDonald, Vicky Thomas, Simon Wan Yau Ming

Ipratropium/Salbutamol comparator versus originator for chronic obstructive pulmonary disease exacerbations: US observational cohort study using the Clinformatics™ health claims database

Pulmonary Therapy

24 April 2017

Vicky Thomas, Eran Gefen, Gokul Gopalan, Rafael Mares, Rosie McDonald, Simon Wan Yau Ming, David Price

Pub Med

Does co-payment for inhaler devices affect therapy adherence and disease outcomes? A historical, matched cohort study

Pragmatic and Observational Research

18 April 2017

Jaco Voorham, Bernard Vrijens, Job F.M. van Boven, Dermot Ryan, Marc Miravitlles, Lisa M Law, David Price

Cardiovascular risks in smokers treated with nicotine replacement therapy: a historical cohort study

Clinical Epidemiology

17 April 2017

Jens Dollerup, Jørgen Vestbo, Tarita Murray-Thomas, Alan Kaplan, Richard J Martin, Emilio Pizzichini, Marcia M M Pizzichini, Annie Burden, Jessica Martin, David Price

Cohort analysis of exacerbation rates in adolescent and adult patients initiating inhaled corticosteroids for asthma: different dose-response profile by particle size

Pulmonary Therapy

12 April 2017

Dirkje Postma, Alan Kaplan, Joan B. Soriano, Jonathon Grigg, Theresa W Guilbert, Willem M.C. van Aalderen, Nicolas Roche, Annie Burden, Elizabeth V Hillyer, Elliot Israel, David Price

Pub Med

A randomized pragmatic trial of changing to and stepping down fluticasone/formoterol in asthma

Journal of Allergy and Clinical Immunology: In Practice

25 March 2017

Omar S. Usmani, Anu Kemppinen, Elizabeth Gardener, Vicky Thomas, Priyanka Raju Konduru, Christina Callan, Andrew McLoughlin, Vanessa Woodhead, Adam Brady, Elizabeth F Juniper, Peter J Barnes, David Price

Comparative effectiveness of step-up therapies in children with asthma prescribed inhaled corticosteroids: a historical cohort study

Journal of Allergy and Clinical Immunology: In Practice

25 March 2017

Clare Murray, Mike Thomas, Kathryn Richardson, David Price, Steve Turner

An evaluation of exact matching and propensity score methods as applied in a comparative effectiveness study of inhaled corticosteroids in asthma

Pragmatic and Observational Research

22 March 2017

Annie Burden, Nicolas Roche, Cristiana Miglio, Elizabeth V Hillyer, Dirkje Postma, R. Brett McQueen, Ron M.C. Herings, Jetty A. Overbeek, Javaria Mona Khalid, Daniela van Eickels, Joan B. Soriano, David Price

Real-life outcomes for patients with asthma prescribed spacers for use with either extrafine- or fine-particle inhaled corticosteroids

Journal of Allergy and Clinical Immunology: In Practice

18 January 2017

Theresa W Guilbert, Gene Colice, Jonathan Grigg, Willem M.C. van Aalderen, Richard J Martin, Elliot Israel, Dirkje Postma, Nicolas Roche, Wanda Phipatanakul, Elizabeth V Hillyer, Jennifer M. Evans, Myrna B Dolovich, David Price, The Respiratory Effectiveness Group

Identifying risk of future asthma attacks using UK medical record data: a Respiratory Effectiveness Group initiative

Journal of Allergy and Clinical Immunology: In Practice

22 December 2016

John D Blakey, David Price, Emilio Pizzichini, Todor Popov, Borislav D Dimitrov, Dirkje Postma, Lynn K. Josephs, Alan Kaplan, Alberto Papi, Marjan Kerkhof, Elizabeth V Hillyer, Alison Chisholm, Mike Thomas

First maintenance therapy for COPD in the UK between 2009 and 2012: a retrospective database analysis

NPJ Primary Care Respiratory Medicine

3 November 2016

David Price, Marc Miravitlles, Ian Pavord, Mike Thomas, Jadwiga Wedzicha, John Haughney, Katsiaryna Bichel, Daniel West

Cost comparison of asthma treatments in 12-week study: caution about matching and short observational follow-up

Multidisciplinary Respiratory Medicine

2 November 2016

David Price, Job F.M. van Boven, Lisa M Law, Alessandra Cifra, R. Brett McQueen

Inappropriate asthma therapy — a tale of two countries: a parallel population-based cohort study

NPJ Primary Care Respiratory Medicine

13 October 2016

Manon Belhassen, Anjan Nibber, Eric Van Ganse, Dermot Ryan, Carole Langlois, Francis Appiagyei, Derek Skinner, Laurent Laforest, Joan B Soriano, David Price

Asthma-related outcomes in patients initiating extrafine ciclesonide or fine-particle inhaled corticosteroids

Allergy, Asthma & Immunology Research

11 October 2016

Dirkje Postma, Richard Dekhuijzen, Thys van der Molen, Richard J Martin, Willem M.C. van Aalderen, Nicolas Roche, Theresa W Guilbert, Elliot Israel, Daniela van Eickels, Javaria Mona Khalid, Ron M.C. Herings, Jetty A. Overbeek, Cristiana Miglio, Victoria Thomas, Catherine Hutton, Elizabeth V Hillyer, David Price

Opri Logo White
An academic research institution striving to improve the lives of patients.
Company
Observational and Pragmatic Research Institute (registered in Singapore) 
Observational Pragmatic Research International (registered in England and Wales)
Follow Us
Contact Us
Email: 
info@opri.sg 
Tel:
(+65) 3105 1489 
Address
OPRI Singapore
22 Sin Ming Lane #06-76, Midview City 573969
OPRI UK
Warren House, Sankence, Aylsham, Norwich NR11 6UN
  • Instagram
  • Threads
  • LinkedIn
  • X
Scientist Supplier
OPRI 2025 All Rights Reserved
bottom of page