Skip to main content

Research Repository

Advanced Search

All Outputs (11)

Association between opioid-related deaths and prescribed opioid dose and psychotropic medicines in England: a case-crossover study (2021)
Journal Article
Chen, T.-C., Knaggs, R. D., & Chen, L.-C. (2021). Association between opioid-related deaths and prescribed opioid dose and psychotropic medicines in England: a case-crossover study. British Journal of Anaesthesia, 127(5), 789-797. https://doi.org/10.1016/j.bja.2021.06.049

Background

Opioid-overdose deaths are associated with poisoning with prescription and illicit opioids in the USA. In contrast, opioid-related deaths (ORDs) in the UK often involve drugs and substances of misuse, and may not be associated with a hi... Read More about Association between opioid-related deaths and prescribed opioid dose and psychotropic medicines in England: a case-crossover study.

Association between opioid‐related deaths and persistent opioid prescribing in primary care in England: a nested case‐control study (2021)
Journal Article
Chen, T., Knaggs, R. D., & Chen, L. (2022). Association between opioid‐related deaths and persistent opioid prescribing in primary care in England: a nested case‐control study. British Journal of Clinical Pharmacology, 88(2), 798-809. https://doi.org/10.1111/bcp.15028

Aim
This study aimed to evaluate the association between opioid-related deaths and persistent opioid utilisation in the United Kingdom (UK).

Methods
This nested case-control study used the UK Clinical Practice Research Datalink, linking the Offi... Read More about Association between opioid‐related deaths and persistent opioid prescribing in primary care in England: a nested case‐control study.

Characterising the outcomes, impacts and implementation challenges of advanced clinical practice roles in the UK: A scoping review (2021)
Journal Article
Evans, C., Poku, B. A., Pearce, R., Eldridge, J., Hendrick, P., Knaggs, R., …Collier, R. (2021). Characterising the outcomes, impacts and implementation challenges of advanced clinical practice roles in the UK: A scoping review. BMJ Open, 11(8), Article e048171. https://doi.org/10.1136/bmjopen-2020-048171

Objectives In response to demographic and health system pressures, the development of non-medical advanced clinical practice (ACP) roles is a key component of National Health Service workforce transformation policy in the UK. This review was undertak... Read More about Characterising the outcomes, impacts and implementation challenges of advanced clinical practice roles in the UK: A scoping review.

Collaboration between adult patients and practitioners when making decisions about prescribing opioid medicines for chronic non-cancer pain in primary care: a scoping review (2021)
Journal Article
Bathia, N. S., McAskill, R. E., Hancox, J. E., & Knaggs, R. D. (2022). Collaboration between adult patients and practitioners when making decisions about prescribing opioid medicines for chronic non-cancer pain in primary care: a scoping review. British Journal of Pain, 16(1), 119-126. https://doi.org/10.1177/20494637211025560

Background: Long-term opioid therapy (>12 months) is not effective for improving chronic non-cancer pain and function. Where patients are not experiencing pain relief with long-term opioids, the opioid should be tapered and discontinuation considered... Read More about Collaboration between adult patients and practitioners when making decisions about prescribing opioid medicines for chronic non-cancer pain in primary care: a scoping review.

Is Europe also facing an opioid crisis? ‐ A survey of European Pain Federation chapters (2021)
Journal Article
Häuser, W., Buchser, E., Finn, D., Dom, G., Fors, E., Heiskanen, T., …Morlion, B. (2021). Is Europe also facing an opioid crisis? ‐ A survey of European Pain Federation chapters. European Journal of Pain, 25(8), 1760-1769. https://doi.org/10.1002/ejp.1786

Background

There is considerable public interest in whether Europe is facing an opioid crisis comparable to the one in the United States and the contribution of opioid prescriptions for pain to a potential opioid crisis.

Methods

A task force... Read More about Is Europe also facing an opioid crisis? ‐ A survey of European Pain Federation chapters.

Characterization and Associated Costs of Constipation Relating to Exposure to Strong Opioids in England: An Observational Study (2021)
Journal Article
Morgan, C. L., Jenkins-Jones, S., Knaggs, R., Currie, C., Conway, P., Poole, C. D., & Berni, E. (2021). Characterization and Associated Costs of Constipation Relating to Exposure to Strong Opioids in England: An Observational Study. Clinical Therapeutics, 43(6), 968-989. https://doi.org/10.1016/j.clinthera.2021.03.021

Purpose: Opioid use is associated with gastrointestinal adverse events, including nausea and constipation. We used a real-world dataset to characterize the health care burden associated with opioid-induced constipation (OIC) with particular emphasis... Read More about Characterization and Associated Costs of Constipation Relating to Exposure to Strong Opioids in England: An Observational Study.

Current Use of Analgesics and the Risk of Falls in people with Knee Osteoarthritis: A Population-based Cohort Study Using Primary Care and Hospital Records (2021)
Journal Article
Taqi, A., Gran, S., & Knaggs, R. D. (2021). Current Use of Analgesics and the Risk of Falls in people with Knee Osteoarthritis: A Population-based Cohort Study Using Primary Care and Hospital Records. Osteoarthritis and Cartilage, 3(2), Article 100165. https://doi.org/10.1016/j.ocarto.2021.100165

Objective

To examine the association between the current use of analgesics and the risk of falls in people with knee osteoarthritis (KOA).

Methods

A retrospective cohort study using data from the UK Clinical Practice Research Datalink, with... Read More about Current Use of Analgesics and the Risk of Falls in people with Knee Osteoarthritis: A Population-based Cohort Study Using Primary Care and Hospital Records.

Surgery and opioids: evidence-based expert consensus guidelines on the perioperative use of opioids in the United Kingdom (2021)
Journal Article
Srivastava, D., Hill, S., Carty, S., Rockett, M., Bastable, R., Knaggs, R., …Wilkinson, P. (2021). Surgery and opioids: evidence-based expert consensus guidelines on the perioperative use of opioids in the United Kingdom. British Journal of Anaesthesia, 126(6), 1208-1216. https://doi.org/10.1016/j.bja.2021.02.030

There are significant concerns regarding prescription and misuse of prescription opioids in the perioperative period. The Faculty of Pain Medicine at the Royal College of Anaesthetists have produced this evidence-based expert consensus guideline on s... Read More about Surgery and opioids: evidence-based expert consensus guidelines on the perioperative use of opioids in the United Kingdom.

Opioid prescription at postoperative discharge: a retrospective observational cohort study (2021)
Journal Article
Daliya, P., Adiamah, A., Roslan, F., Theophilidou, E., Knaggs, R., Levy, N., & Lobo, D. (2021). Opioid prescription at postoperative discharge: a retrospective observational cohort study. Anaesthesia, 76(10), 1367-1376. https://doi.org/10.1111/anae.15460

Opioid misuse is now considered a major public health epidemic in North America, with substantial social and financial consequences. As well as socio-economic and commercial drivers, modifiable risk-factors that have resulted in this crisis have been... Read More about Opioid prescription at postoperative discharge: a retrospective observational cohort study.

Opioids and the risk of fracture: a self-controlled case series study in the Clinical Practice Research Datalink (2021)
Journal Article
Peach, E., Pearce, F., Gibson, J., Cooper, A., Chen, L.-C., & Knaggs, R. (2021). Opioids and the risk of fracture: a self-controlled case series study in the Clinical Practice Research Datalink. American Journal of Epidemiology, 190(7), 1324-1331. https://doi.org/10.1093/aje/kwab042

Self-controlled study designs can be used to assess the association between exposures and acute outcomes while controlling for important confounders. Using routinely collected health data, a self-controlled case series design was used to investigate... Read More about Opioids and the risk of fracture: a self-controlled case series study in the Clinical Practice Research Datalink.

PROTOCOL: A cohort study examining the association between mirtazapine and mortality risk in adults with a diagnosis of depression (2021)
Preprint / Working Paper
Joseph, R. M., Jack, R. H., Morriss, R., Knaggs, R. D., Hollis, C., Hippisley-Cox, J., & Coupland, C. PROTOCOL: A cohort study examining the association between mirtazapine and mortality risk in adults with a diagnosis of depression

This protocol describes a cohort study comparing the risks of mortality and serious self-harm (suicide or near-fatal deliberate self-harm) between adults with depression prescribed mirtazapine, a selective serotonin reuptake inhibitor (SSRI), amitrip... Read More about PROTOCOL: A cohort study examining the association between mirtazapine and mortality risk in adults with a diagnosis of depression.