Richard Croker
Honorary Research Fellow
Richard is an honorary research fellow at the Bennett Institute, focusing on OpenPrescribing.net. He has worked as a pharmaceutical adviser for the NHS for over 20 years, and is currently also Deputy Director of Medicines Optimisation at NHS Devon. He has a BSc in Pharmacy from the University of Portsmouth, and an MSc in Health Informatics from Swansea University, where his dissertation centred on the validity of prescribing denominators. He also spends his time applying medicines optimisation principles to improving pathology services in the NHS.
Papers by Richard Croker
- Trends and variation in andexanet alfa for the reversal of direct oral anticoagulants in NHS Trusts in England
- Changes in opioid prescribing during the COVID-19 pandemic in England
- Data-Driven Identification of Potentially Successful Intervention Implementations Using 5 Years of Opioid Prescribing Data
- Incidence and treatment of group A streptococcal infections during covid-19 pandemic and 2022 outbreak
- Impact of the COVID-19 pandemic on antidepressant prescribing with a focus on people with learning disability and autism: an interrupted time series analysis in England using OpenSAFELY-TPP
- The impact of COVID-19 on azathioprine, leflunomide and methotrexate monitoring, and factors associated with change in monitoring rate
- The impact of COVID-19 on medication reviews in English primary care
- Measuring BMI in 22 million patients in England
- Impact of the COVID-19 pandemic on antipsychotic prescribing in individuals with autism, dementia, learning disability, serious mental illness or living in a care home
- Eleven key measures for monitoring general practice clinical activity during COVID-19
- Changes in medication safety indicators in England throughout the covid-19 pandemic using OpenSAFELY
- Challenges in Estimating the Effectiveness of COVID-19 Vaccination Using Observational Data
- Data-Driven Identification of Unusual Prescribing Behavior: Analysis and Use of an Interactive Data Tool Using 6 Months of Primary Care Data From 6500 Practices in England
- Trends, variation, and clinical characteristics of recipients of antiviral drugs and neutralising monoclonal antibodies for covid-19 in community settings
- OpenSAFELY NHS Service Restoration Observatory 2
- Identifying Patterns of Clinical Interest in Clinicians' Treatment Preferences: Hypothesis-free Data Science Approach to Prioritizing Prescribing Outliers for Clinical Review
- Recording of ‘COVID-19 vaccine declined’
- Waning effectiveness of BNT162b2 and ChAdOx1 covid-19 vaccines over six months since second dose
- Comparative effectiveness of ChAdOx1 versus BNT162b2 COVID-19 vaccines in Health and Social Care workers in England
- Describing the population experiencing COVID-19 vaccine breakthrough following second vaccination in England
- Association between oral anticoagulants and COVID-19-related outcomes
- Risk of severe COVID-19 outcomes associated with immune-mediated inflammatory diseases and immune modifying therapies
- Accident and emergency (AE) attendance in England following infection with SARS-CoV-2 Omicron or Delta
- Rates of serious clinical outcomes in survivors of hospitalisation with COVID-19 in England
- Comparison of methods for predicting COVID-19-related death in the general population using the OpenSAFELY platform
- Potentially inappropriate prescribing of DOACs to people with mechanical heart valves
- Mortality among Care Home Residents in England during the first and second waves of the COVID-19 pandemic
- OpenSAFELY NHS Service Restoration Observatory 1: primary care clinical activity in England during the first wave of COVID-19
- Trends and clinical characteristics of COVID-19 vaccine recipients
- Impact of national guidance on switching anticoagulant therapy during COVID-19 pandemic
- Clinical coding of long COVID in English primary care
- Association between warfarin and COVID-19-related outcomes compared with direct oral anticoagulants
- Severity of Severe Acute Respiratory System Coronavirus 2 (SARS-CoV-2) Alpha Variant (B.1.1.7) in England
- Risks of covid-19 hospital admission and death for people with learning disability
- Ethnic differences in SARS-CoV-2 infection and COVID-19-related hospitalisation, intensive care unit admission, and death in 17 million adults in England
- Identifying Care Home Residents in Electronic Health Records
- Association between living with children and outcomes from covid-19
- Case fatality risk of the SARS-CoV-2 variant of concern B.1.1.7
- Changes in the rate of cardiometabolic and pulmonary events during the COVID-19 pandemic
- Short report: Ethnicity and COVID-19 death in the early part of the COVID-19 second wave in England
- Use of non-steroidal anti-inflammatory drugs and risk of death from COVID-19
- Effect of pre-exposure use of hydroxychloroquine on COVID-19 mortality
- Impact of Electronic Health Record Interface Design on Unsafe Prescribing of Ciclosporin, Tacrolimus, and Diltiazem: Cohort Study in English National Health Service Primary Care
- Comparison of different risk prediction modelling approaches for COVID-19 related death using the OpenSAFELY platform
- Risk of COVID-19-related death among patients with chronic obstructive pulmonary disease or asthma prescribed inhaled corticosteroids
- Suboptimal prescribing behaviour associated with clinical software design features: a retrospective cohort study in English NHS primary care
- Prescription of suboptimal statin treatment regimens: a retrospective cohort study of trends and variation in English primary care
- Factors associated with COVID-19-related death using OpenSAFELY
- Trends and variation in unsafe prescribing of methotrexate: a cohort study in English NHS primary care.
- Is Use of Homeopathy Associated With Poor Prescribing in English Primary Care? A Cross-Sectional Study
- Optimising laboratory monitoring of chronic conditions in primary care
- Do doctors in dispensing practices with a financial conflict of interest prescribe more expensive drugs? A cross-sectional analysis of English primary care prescribing data.
- Measuring the Impact of an Open Web-Based Prescribing Data Analysis Service on Clinical Practice: Cohort Study on NHS England Data
- Why did some practices not implement new antibiotic prescribing guidelines on urinary tract infection? A cohort study and survey in NHS England primary care
- Opioid prescribing trends and geographical variation in England, 1998–2018: a retrospective database study
- Six months on – NHS England needs to focus on dissemination, implementation and audit of its Low-Priority Initiative
- Detecting Change in Comparison to Peers in NHS Prescribing Data: a Novel Application of Cumulative Sum Methodology
- Pregabalin: what the patent litigation means for doctors and drug companies
- The clinician impact and financial cost to the NHS of litigation over pregabalin: a cohort study in English primary care
- Trends and variation in prescribing of low-priority treatments identified by NHS England: a cross-sectional study and interactive data tool in English primary care
- Trends, geographical variation and factors associated with prescribing of gluten-free foods in English primary care: a cross-sectional study
- New mechanism to identify cost savings in English NHS prescribing: minimising 'price per unit', a cross-sectional study
Blog posts by Richard Croker
- Changes to Price-Per-Unit Tool
- Who are you? An analysis of our OpenPrescribing users
- Changes to Direct Oral Anticoagulant (DOAC) measure
- Openprescribing Summer 2024 Newsletter
- Changes to how we estimate the financial impact of Price Concessions on the NHS
- Openprescribing Spring 2024 Newsletter
- OpenPrescribing Winter 2023/2024 Newsletter
- BNF to dictionary of medicines and devices (dm+d) map - now available
- Four new measures available on OpenPrescribing.net (and four have been retired)
- Recent improvements in OpenPrescribing.net measures
- OpenPrescribing Autumn 2023 Newsletter
- OpenPrescribing in the media - recent highlights
- OpenPrescribing June 2022 Newsletter
- OpenPrescribing December Newsletter
- Changes to OpenPrescribing.net measures
- OpenPrescribing March Newsletter
- OpenPrescribing Newsletter November 2020
- OpenPrescribing July Newsletter
- OpenPrescribing June Newsletter
- OpenPrescribing Newsletter May 2020
- OpenPrescribing Newsletter November 2019
- OpenPrescribing Newsletter October 2019
- OpenPrescribing Newsletter September 2019
- Examining variation in test request rates
- OpenPrescribing Newsletter Summer 2019
- OpenPrescribing Newsletter June 2019
- Additional Functions on Analyse page - multi-level searching and STP/NHS England regions
- OpenPrescribing Newsletter May 2019
- How can we improve the management of necessary changes in clinical practice?
- OpenPrescribing February 2019 newsletter
- Two new measures on OpenPrescribing — Herbal medicines and Freestyle Libre
- Adventures in time travel with the Drug Tariff
- Ghost branded generics: Why does the cost of generic atorvastatin vary?
- OpenPrescribing December 2018 Newsletter
- OpenPrescribing October 2018 Newsletter
- OpenPrescribing April 2018 Newsletter
- Price concessions for February 2018
- Price Concessions - starting to reduce? UPDATED
- New Year - same Price Concessions issues…
- Price Concessions - why are the excess costs lower in November than October 2017?
- Price Concessions Estimate for November 2017 - CCG data
- Price concessions data for CCGs, including October 2017 estimate
- Getting the data for the Drug Tariff tool (*sigh*)
- New interactive OpenPrescribing tool: Explore Changes in the Drug Tariff (and out of stock medicines) back to 2010!
- Drug shortages and "Price Concessions" - how much is it costing the NHS?
- OpenPrescribing - new measures now available