Centre for Evidence-Based Medicine

Centre for Evidence-Based Medicine (University of Oxford)
Type Public
Established 1995
Parent institution
 University of Oxford
Academic staff
 25
Students 5 Full-time DPhils, 28 part-time DPhils and 75 MSc students
Location Oxford, United Kingdom
Website www.cebm.net

The Centre for Evidence-Based Medicine (CEBM) based at the University of Oxford is a not-for-profit organisation dedicated to the practice, teaching and dissemination of high quality evidence-based medicine to improve healthcare in everyday clinical practice. CEBM was founded by David Sackett in 1995 and since 2010 has been led by Professor Carl Heneghan, a Clinical Epidemiologist and General Practitioner. The Centre is part of the University's Nuffield Department of Primary Care Health Sciences.[1]

There are currently over 25 active staff and honorary members of the CEBM. Many of the active staff include other clinicians, statisticians, epidemiologists, information specialists, quantitative and qualitative researchers.

Teaching and degrees

Most members of CEBM are active teachers of the discipline and teach Evidence Based Medicine at a variety of levels including undergraduate, postgraduate, beginner and advanced levels. CEBM also runs, together with the Department of Continuing Education at the University of Oxford two postgraduate degrees: a MSc in Evidence-Based Health Care [2] and a DPhil in Evidence-Based Health Care.[3]

Evidence Live conference

Every year, CEBM organises Evidence Live,[4] a multi-day conference focussing on developments in the area of evidence-based medicine. The conference is organised in collaboration with the British Medical Journal. Themes for the conference include Improving the Quality of Research; disentangling the Problems of Too Much and Too Little Medicine; transforming the Communication of Evidence for Better Health; training the Next Generation of Leaders and translating Evidence into Better-Quality Health Services.

Notable projects

Levels of Evidence

CEBM has developed a widely adopted [5] systematic hierarchy of the quality of medical research evidence, named the levels of evidence. Systematic reviews of randomized clinical trials (encompassing homogeneity) are seen as the highest possible level of evidence, as full assessment and aggregated synthesis of underlying evidence is possible.

Tamiflu

In collaboration with the British Medical Journal, Carl Heneghan and team found no evidence that Tamiflu helped to reduce complications of influenza.[6][7] This has become a controversial topic, as the United Kingdom government spend £473 million on the purchase of Tamiflu, despite the systematic review [8] claiming to find no evidence for the effectiveness of it.[9]

Sports Products

A systematic review conducted in 2012 discovered a very little effect of carbohydrate drinks on sport performance of the general population.[10][11] This work formed part of a joint investigation with BBC Panorama and the British Medical Journal.[12] A linked article published in the BMJ reported a “Striking lack of evidence” to back up claims for popular sports brands.[13] A further analysis of a broad range of sports products showed that the evidence for many sports products is poor quality and insufficient to inform the public about the benefits and harms of sports products.[13]

Self Care

Systematic review and individual patient data meta analysis research[14] in the centre has shown that even with little training people on oral anticoagulation (Warfarin) can successfully self-monitor, and even self-manage their disease in the community.[15] Patients capable of self-monitoring and self-adjusting therapy have fewer thromboembolic events and lower mortality than those who self-monitor alone.[16] In 2014, Carl Heneghan along with Alison Ward became directors of a World Health Organization Collaborating Centre for Self-Care in Non-communicable disease.[17]

All Trials

The centre is one of the co-founders of the AllTrials campaign, which has been influential in ensuring that the results of all clinical trials are registered and reported in full.

Diagnostic Technologies and Reasoning

The centre has a strong diagnostic theme which includes assessing novel Diagnostic Technologies relevant to improving the diagnosis of disease in primary care and also to improving diagnostic reasoning. In 2015, the centre produced a report for the Department of Health (United Kingdom) on Antimicrobial resistance diagnostics which highlighted the considerable number of new diagnostic technologies in development to underpin rational prescribing of antibiotics.[18]

COMPare Project

In 2015 the COMPare project was launched: Outcome switching in clinical trials is a serious problem. The project systematically checks every trial published in the top five medical journals, to see if they have misreported their findings, comparing each clinical trial report against its registry entry. The project has found that some trials report their outcomes perfectly, but for many others outcomes specified in the registry entry were never reported. The updates to the trials are updated live on the COMPare website. The project highlights how researchers are duped by the common practice in clinical trial reporting of "outcome switching".[19]

Research Fellows

2015 Research Fellows listed on the CEBM website include:[20]

Notable Honorary Fellows

Notable fellows include:[21]

References

  1. ↑ http://www.phc.ox.ac.uk/research/oxford-centre-for-evidence-based-medicine[]
  2. ↑ "MSc in Evidence-Based Health Care". Retrieved 2015-07-23.
  3. ↑ "DPhil in Evidence-Based Health Care". Retrieved 2015-07-23.
  4. ↑ "Evidence Live Global Forum:". Retrieved 2015-07-24.
  5. ↑ "Levels of Evidence / Google Scholar". Retrieved 2015-07-24.
  6. ↑ Butler, Declan (2014). "Tamiflu report comes under fire". Nature 508 (7497): 439–40. Bibcode:2014Natur.508..439B. doi:10.1038/508439a. PMID 24759392.
  7. ↑ Heneghan CJ, Onakpoya I, Thompson M, Spencer EA, Jones M, Jefferson T (2014). "Zanamivir for influenza in adults and children: systematic review of clinical study reports and summary of regulatory comments". BMJ 348: g2547. doi:10.1136/bmj.g2547. PMC 3981976. PMID 24811412.
  8. ↑ Jefferson T, Jones MA, Doshi P, Del Mar CB, Hama R, Thompson MJ, Spencer EA, Onakpoya I, Mahtani KR, Nunan D, Howick J, Heneghan CJ (2014). "Neuraminidase inhibitors for preventing and treating influenza in healthy adults and children". The Cochrane Database of Systematic Reviews 4: CD008965. doi:10.1002/14651858.CD008965.pub4. PMID 24718923.
  9. ↑ "Tamiflu: Millions wasted on flu drug, claims major report". BBC. 2014-04-10. Retrieved 2015-07-23.
  10. ↑ "'Lack of evidence' that popular sports products work". BBC. 2012-07-19. Retrieved 2015-07-23.
  11. ↑ Heneghan C, Perera R, Nunan D, Mahtani K, Gill P (2012). "Forty years of sports performance research and little insight gained". BMJ 345: e4797. doi:10.1136/bmj.e4797. PMID 22810388.
  12. ↑ http://www.bbc.co.uk/news/health-18863293[]
  13. 1 2 Heneghan C, Howick J, O'Neill B, Gill PJ, Lasserson DS, Cohen D, Davis R, Ward A, Smith A, Jones G, Thompson M (2012). "The evidence underpinning sports performance products: a systematic assessment". BMJ Open 2 (4): e001702. doi:10.1136/bmjopen-2012-001702. PMC 3401829. PMID 22815461. Lay summary – BMJ (July 18, 2012).
  14. ↑ Heneghan C, Ward A, Perera R, Bankhead C, Fuller A, Stevens R, Bradford K, Tyndel S, Alonso-Coello P, Ansell J, Beyth R, Bernardo A, Christensen TD, Cromheecke ME, Edson RG, Fitzmaurice D, Gadisseur AP, Garcia-Alamino JM, Gardiner C, Hasenkam JM, Jacobson A, Kaatz S, Kamali F, Khan TI, Knight E, Körtke H, Levi M, Matchar D, Menéndez-Jándula B, Rakovac I, Schaefer C, Siebenhofer A, Souto JC, Sunderji R, Gin K, Shalansky K, Völler H, Wagner O, Zittermann A (2012). "Self-monitoring of oral anticoagulation: systematic review and meta-analysis of individual patient data". Lancet 379 (9813): 322–34. doi:10.1016/S0140-6736(11)61294-4. PMID 22137798.
  15. ↑ Ward A, Tompson A, Fitzmaurice D, Sutton S, Perera R, Heneghan C (2015). "Cohort study of Anticoagulation Self-Monitoring (CASM): a prospective study of its effectiveness in the community". The British Journal of General Practice 65 (636): e428–37. doi:10.3399/bjgp15X685633. PMC 4484943. PMID 26077267.
  16. ↑ Garcia-Alamino JM, Ward AM, Alonso-Coello P, Perera R, Bankhead C, Fitzmaurice D, Heneghan CJ (2010). "Self-monitoring and self-management of oral anticoagulation". The Cochrane Database of Systematic Reviews (4): CD003839. doi:10.1002/14651858.CD003839.pub2. PMID 20393937.
  17. ↑ http://apps.who.int/whocc/Detail.aspx?cc_ref=UNK-256&cc_city=oxford&[]
  18. ↑ Pluddemann, Annette; Onakpoya, Igho; Harrison, Sian; Shinkins, Bethany; Shinkins, Bethany; Tompson, Alice; Davis, Ruth; Price, Christopher P.; Heneghan, Carl (June 2015). "Position Paper on Anti-Microbial Resistance Diagnostics". Centre for Evidence-Based Medicine.
  19. ↑ http://www.vox.com/2015/12/29/10654056/ben-goldacre-compare-trials
  20. ↑ "CEBM about". Retrieved 2015-07-23.
  21. ↑ http://www.cebm.net/about/

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