Presentation given on OpenTrials.net by Jessica Fleminger and Ben Meghreblian at the Cochrane Colloquium, Seoul, 2016. OpenTrials is an open, easy-to-use, linked database of information about the world's clinical trials.

1. Jessica Fleminger and Ben Meghreblian

2. 1. introduction
2. we (still) have a problem
3. OpenTrials overview
4. techy stuff
5. data sources
6. user examples
7. demo
8. Q&A
opentrials@okfn.org

3. opentrials@okfn.org

4. we (still) have a
problem
opentrials@okfn.orgaudiinsperation (CC BY)

5. Anderson et al. N Engl J Med. 2015 Mar 12;372(11):1031-9. doi: 10.1056/NEJMsa1409364.
Prayle AP et al. BMJ. 2012 Jan 3;344:d7373. doi: 10.1136/bmj.d7373.
we have a publication bias problem
opentrials@okfn.org

6. we have an information dissemination problem
vs.
clinical study reports
patient information sheets
consent forms
ethics committee documents
individual patient data
methods
opentrials@okfn.org
Jefferson T et al. BMJ. 2014 Apr 9;348:g2545. doi: 10.1136/bmj.g2545.
globalismpictures (CC BY)

7. we have a discrepancy problem
opentrials@okfn.org
Turner EH et al. N Engl J Med 2008; 358:252-260 doi: 10.1056/NEJMsa065779.
myrfa (CC0)

8. we have a publication bias problem
we have an information dissemination problem
we have a discrepancy problem
opentrials@okfn.org

9. we have an information
architecture problem
opentrials@okfn.orgAchriss713 (CC BY-SA)

10. Chalmers I, Altman DG. Lancet. 1999;353:490–3
doi: 10.1016/S0140-6736(98)07618-1.
threaded
publications
opentrials@okfn.orgTBIT (CC0)

11. opentrials@okfn.org
trial registers
academic
journals
regulatory
documents
structured data
on methods
and results
trial paperwork

12. !
WARNING
PHASE 1
release early
release often
opentrials@okfn.org

13. opentrials@okfn.org
!
WARNING
PHASE 1

14. audit publication bias
opentrials@okfn.orgmyrfa (CC0)

15. host/link important
trial documents
opentrials@okfn.orgPexels (CC0)

16. track sponsors and
organisations opentrials@okfn.org

17. search functionality
opentrials@okfn.org

18. investigate
discrepancies
opentrials@okfn.orgDeedster (CC0)

19. increase machine
readability
opentrials@okfn.orglmonk72 (CC0)

20. change sharing norms
opentrials@okfn.org422737 (CC0)

21. 1. introduction
2. we (still) have a problem
3. OpenTrials overview
4. techy stuff
5. data sources
6. user examples
7. demo
8. Q&A
opentrials@okfn.org

22. opentrials@okfn.org
OpenTrials architecture

23. scraping
crowdsourcing
data donations
attribution
and
licensing
opentrials@okfn.org

24. HTML
<div id="trial-info-2"
class="floater-50"><div
class="info-title">ClinicalTrials.gov
Identifier:</div><div
class="identifier">NCT01013220</div
><div class="info-date">First
received: November 12, 2009</div>
<div class="info-date">Last updated:
December 15, 2014</div><div
class="info-date">Last verified:
December 2014 </div><div
class="info-date"> <a
href="/ct2/archive/NCT01013220"
title="Historical versions of study
NCT01013220 on ClinicalTrials.gov
Archive Site - opens in new window"
onclick="openNewWindow('/ct2/archi
ve/NCT01013220'); return
false;">History of
Changes</a></div></div>
DatabaseXML
<primary_outcome>
<measure>employer purchase of
depression management
product</measure>
<time_frame>two years after
intervention</time_frame>
<safety_issue>No</safety_issue>
</primary_outcome>
<secondary_outcome>
<measure>
fidelity of depression
management model purchased
to evidence-based models
</measure>
<time_frame>two years after
intervention</time_frame>
<safety_issue>No</safety_issue>
</secondary_outcome>
<number_of_arms>2</number_of_ar
ms>
API
"id":
"a5d82296-8cb8-11e6-988b-0242ac1
2000c",
"source_id": "nct",
"identifiers": {
"nct": "NCT02920840"
},
"public_title": "Brain-oscillation
Synchronised Stimulation of the
Prefrontal Cortex",
"target_sample_size": 18,
"gender": "both",
"has_published_results": false,
"status": "ongoing",
"recruitment_status": "recruiting",
"registration_date":
"2016-09-26T00:00:00.000Z"
http://api.opentrials.net/v1/search?q=
depression&page=1&per_page=20
harder easier
structured data
scraping
opentrials@okfn.org

25. opentrials@okfn.org
data
donations

26. crowdsourcing
opentrials@okfn.org
User uploads
document
Document
approval
process
Document
live on
trial page

27. opentrials@okfn.org
attribution and licensing
bit.ly/illegalbullfrogs
Fir0002 (CC BY-SA)

28. 1. introduction
2. we (still) have a problem
3. OpenTrials overview
4. techy stuff
5. data sources
6. user examples
7. demo
8. Q&A
opentrials@okfn.org

29. 337,911 deduplicated trials
opentrials@okfn.org
imported: trial registers

30. ~510,000 publications
(~24,000 linked with trials)
errors found in some registry IDs
⇨ feedback via PubMed Commons
imported: publications
opentrials@okfn.org

31. imported: risk of bias scores
opentrials@okfn.org

32. ~22,000 research summaries
provides ‘lay summary’ explanation of
the trial for a non-medical audience
created for ethics committee
FOIA request ⇨ HRA for Patient Information Sheets
imported: research summaries
opentrials@okfn.org

33. 46,332 documents imported to Document Cloud and OCRed
16,329 FDA applications
live prototype: FDA Drug Approval Packages
opentrials@okfn.org
PDF
SimpleIcon (CC BY)

34. ongoing: clinical study reports
opentrials@okfn.org

35. ongoing: more...
opentrials@okfn.org
even asking has
been interesting...

36. 1. introduction
2. we have a problem
3. OpenTrials overview
4. techy stuff
5. data sources
6. user examples
7. demo
8. Q&A
opentrials@okfn.org

37. 1. researcher
2. doctor
3. patient
4. data journalist
5. developer
6. policy maker
7. regulator
opentrials@okfn.orgRhoda Baer (CC0)

38. 1. researcher
2. doctor
3. patient
4. data journalist
5. developer
6. policy maker
7. regulator
opentrials@okfn.orgIlmicrofono Oggiono (CC BY)

39. 1. researcher
2. doctor
3. patient
4. data journalist
5. developer
6. policy maker
7. regulator
opentrials@okfn.orgMichael Coghlan (CC BY-SA)

40. 1. researcher
2. doctor
3. patient
4. data journalist
5. developer
6. policy maker
7. regulator
opentrials@okfn.orgThe Data Journalism Handbook (CC BY-SA)

41. 1. researcher
2. doctor
3. patient
4. data journalist
5. developer
6. policy maker
7. regulator
opentrials@okfn.orggeralt (CC0)

42. 1. researcher
2. doctor
3. patient
4. data journalist
5. developer
6. policy maker
7. regulator
opentrials@okfn.orgolibac (CC BY)

43. 1. researcher
2. doctor
3. patient
4. data journalist
5. developer
6. policy maker
7. regulator
opentrials@okfn.org

44. 1. introduction
2. we have a problem
3. OpenTrials overview
4. techy stuff
5. data sources
6. user examples
7. demo
8. Q&A
opentrials@okfn.org

45. beta version!
explorer.opentrials.net
opentrials@okfn.org

46. please
contribute!
opentrials@okfn.org

47. thank you!
any questions?
opentrials@okfn.org / opentrials.net / @opentrials
Team OpenTrials: Ben Goldacre, Emma Beer, Stephen Abbott
Pugh, Paul Walsh, Vitor Baptista, Evgeny Karev, Victor Nițu,
Georgiana Bere, Sierra Williams, Lieke Ploeger, Sam Smith,
Ben Meghreblian, Sarah McNeill, Jessica Fleminger