Approved Studies
Please find below a list of all approved studies using OPCRD. Resultant publications will be added in due course as they become available
Redefining severe asthma to high-risk asthma: Analysis of real-world data ot investigate patients who are at high risk of exacerbations, worsening of symptoms, and a loss of asthma control over time.
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI)
24 July 2023
ADEPT0523
Development and evaluation of clinical prediction models to estimate the risk of midgut
neuroendocrine tumours using statistical and machine learning approaches: an exploratory
study
Approval Date:
Organisation:
Organisation:
Study Registration:
Mendelian Health
5 September 2022
ADEPT0822
Using Electronic Health Records (EHR) for the development of Personalised Hormonal Therapy
Approval Date:
Organisation:
Organisation:
Study Registration:
Aveta Life
26 July 2022
ADEPT0622
AFLOAT: Predicting the risk of Advanced non-alcoholic Fatty Liver Disease in cOmmunity patients with Abnormal Transaminases
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI)
29 June 2022
ADEPT0522
An exploratory study on epidemiological and genetic testing trends for retinitis pigmentosa and leber congenital amaurosis using primary care electronic records.
Approval Date:
Organisation:
Organisation:
Study Registration:
Mendelian Health
27 December 2021
ADEPT1923
The incidence of psychological comorbidities in paediatric and young adults with inflammatory bowel disease, and the impacts of mental health conditions on quality of life, disease severity and resource utilisation: a population-based cohort study in the UK
Approval Date:
Organisation:
Organisation:
Study Registration:
Momentum Data
27 December 2021
ADEPT1922
Gallbladder pathology as an early sign of metachromatic leukodystrophy an exploratory study using electronic health records
Approval Date:
Organisation:
Organisation:
Study Registration:
Mendelian Health
9 December 2021
ADEPT1821
A retrospective observational study on characteristics, treatment patterns, and healthcare resource use of patients with xerostomia in primary care settings using Optimum Patient Care Research Database in United Kingdom
Approval Date:
Organisation:
Organisation:
Study Registration:
OPEN Health
9 December 2021
ADEPT1921
A matched case control study to identify features associated with a group of rare diseases and examine the case identification accuracy of MendelScan, a rare disease case finding tool.
Approval Date:
Organisation:
Organisation:
Study Registration:
Mendelian Health
26 September 2021
ADEPT1221
PRagmatic EVAluation of a quality Improvement programme for people living with modifiable high-risk COPD (PREVAIL)
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI)
20 September 2021
ADEPT1321
Deriving asthma subtypes from electronic health records using statistical learning
Approval Date:
Organisation:
Organisation:
Study Registration:
Asthma UK Centre for Applied Research (AUKCAR)
16 August 2021
ADEPT0619
Patient characteristics, treatment patterns, clinical outcomes, and health care resource utilization in severe asthma subgroups: A retrospective analysis of the International Severe Asthma Registry
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Global Limited (OPCG)
14 July 2021
ADEPT0821
Unexplored associations with inflammatory skin conditions: a population-based cohort study of the risk of skin cancer, venous thromboembolism, and mental health conditions in atopic dermatitis and vitiligo
Approval Date:
Organisation:
Organisation:
Study Registration:
Momentum Data
14 July 2021
ADEPT0721
Data Resource Profile: Optimum Patient Care Research Database (OPCRD)
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Global Limited (OPCG), Momentum Data
15 February 2021
ADEPT0121
Impact of Covid-19 using Platform C19: Describing a cohort of real-life patients during the Covid-19 pandemic and assessing the impact of Covid-19 and related behaviour on chronic conditions, and the effect of chronic conditions on Covid-19 outcomes.
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Global Limited (OPCG)
18 November 2020
ADEPT1720
Development of a prediction model to identify Pompe disease and Fabry disease, based on UK primary care electronic health records
Approval Date:
Organisation:
Organisation:
Study Registration:
OPEN Health
29 September 2020
ADEPT1320
An observational cohort study to describe intermittent OCS utilisation and its association with adverse outcomes and healthcare resource use and costs in asthma using the OPCRD and CPRD databases.
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI)
29 September 2020
ADEPT1120
Impact of COVID-19 on asthma exacerbations: protocol for a cohort study in primary care
Approval Date:
Organisation:
Organisation:
Study Registration:
Asthma UK Centre for Applied Research (AUKCAR)
16 August 2020
ADEPT1020a
The comparative effectiveness across severe asthma biologic classes (Anti-IL5 versus Anti-IgE) in patients eligible for both therapies
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Global Limited (OPCG)
26 July 2020
ADEPT0920
Asthma epidemiology, prevalence of asthma modifiable factors and healthcare utilisation due to asthma in England, Scotland, Wales, Northern Ireland and the UK
Approval Date:
Organisation:
Organisation:
Study Registration:
Asthma UK Centre for Applied Research (AUKCAR)
21 July 2020
ADEPT0620
An observational evaluation of prescribing and safety of Glycopyrronium bromide for symptomatic treatment of severe sialorrhoea (drooling) in children with chronic neurological disorders
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI)
21 July 2020
ADEPT0720
Impact of Initiating Biologics in Patients Receiving Long-term OCS or Frequent Rescue Steroids versus Those Not Receiving Biologics
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Global Limited (OPCG)
16 June 2020
ADEPT0420
External validation of a clinical prediction model for the diagnosis of asthma in primary care
Approval Date:
Organisation:
Organisation:
Study Registration:
Usher Institute, University of Edinburgh
3 February 2020
ADEPT0320
A study on the Prescription Patterns of Short Acting Beta-2 Agonist (SABA) and its potential effects on asthma control: A Cross-Sectional Study on SABA use in Asthma
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Australia
1 October 2019
ADEPT1819
Longitudinal systemic corticosteroid utilization in the UK, 1990-2018 - An observational historical cohort study to describe the changes over time in drug utilization of systemic corticosteroids in 28 conditions in the OPCRD database.
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI)
13 August 2019
ADEPT1719
IMP2ART Cluster Randomised Trial with a Nested Process Evaluation
Approval Date:
Organisation:
Organisation:
Study Registration:
Asthma UK Centre for Applied Research (AUKCAR)
12 August 2019
ADEPT1619
The Impact of Exacerbation Burden on Lung Function Trajectory in a Broad Asthma Population and Severe Asthma Population
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Global Limited (OPCG)
30 July 2019
ADEPT1319
Biologics in severe asthma: utilisation patterns, causes for discontinuation and switches
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Global Limited (OPCG)
29 July 2019
ADEPT1119
Development of a prognostic tool using machine learning for asthma exacerbations in adolescents and adults in a retrospective cohort in primary care
Approval Date:
Organisation:
Organisation:
Study Registration:
Asthma UK Centre for Applied Research (AUKCAR)
11 July 2019
ADEPT0919
Evaluation of patient characteristics, care pathways, prescribing patterns and costs across cancer types.
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Global Limited (OPCG)
18 June 2019
ADEPT0819
A pragmatic, cluster randomized trial evaluating the impact of an enhanced adherence package (dual bronchodilator+add-on+app) on time to treatment failure and other clinical outcomes in exacerbating COPD patients with poor adherence to mono or dual therapy over one year
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI)
2 May 2019
ADEPT0719
Effectiveness of Dymista in asthma patients with rhinitis
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI)
8 April 2019
ADEPT0519
Severe Asthma in Primary Care vs. ISAR Cohort
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Global Limited (OPCG)
14 March 2019
ADEPT0319
Treatment pathways, healthcare resource utilization and associated costs in patients with ulcerative colitis
Approval Date:
Organisation:
Organisation:
Study Registration:
PH Associates
6 February 2019
ADEPT0219
Burden of cough in UK primary care
Approval Date:
Organisation:
Organisation:
Study Registration:
Respiratory Effectiveness Group (REG)
7 January 2019
ADEPT0119
Validation of the new GOLD 2017 classification scheme among patients with Chronic Obstructive Pulmonary Disease
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI)
31 October 2018
ADEPT0918
OPRI-1808: Dementia at Sea: a prevalence study in the United Kingdom
Approval Date:
Organisation:
Organisation:
Study Registration:
University of Plymouth, Observational & Pragmatic Research Institute (OPRI)
30 September 2018
ADEPT1318
Demographic and Clinical Characteristics of Severe Asthma Patients Worldwide
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Global Limited (OPCG)
4 September 2018
ADEPT1218
An observational evaluation of the off-label prescribing and safety of glycopyrronium bromide (GLY) for symptomatic treatment of severe sialorrhoea (drooling) and/or hyperhidrosis (excessive sweating)
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI)
2 September 2018
ADEPT1118
METNA RA Study
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI), OPEN Health
8 July 2018
ADEPT0518
OPC Questionnaire Item Reduction: An exploratory study with the aim of reducing item numbers while the shorter version continues to be predictive of future exacerbations
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI)
10 June 2018
ADEPT0418
British Lung Foundation (BLF) Asthma Management Project
Approval Date:
Organisation:
Organisation:
Study Registration:
Observational & Pragmatic Research Institute (OPRI), British Lung Foundation
7 May 2018
ADEPT1018
International Sever Asthma Registry (ISAR)
Approval Date:
Organisation:
Organisation:
Study Registration:
Optimum Patient Care Global Limited (OPCG)
22 April 2018
ADEPT0218