Intended for healthcare professionals

Rapid response to:

Head To Head Head to Head

Are clinical trial data shared sufficiently today? Yes

BMJ 2013; 347 doi: (Published 09 July 2013) Cite this as: BMJ 2013;347:f1881

Rapid Response:

"an ounce of data is worth a thousand pounds of opinion." (1)

1. Unpublished US phase 3 trials.


Raw data:

2. About the 8 novel drugs approved by the FDA in 2013

3. It's relatively easy to disclose anonymized patient level raw data of a clinical trial.(2)

4. About patient privacy concerns: could anyone identify at least one patient in data disclosed above?


1. Ashish Jha. An Ounce of Evidence. Health Policy Blog. Harvard University.
Date accessed: Aug 13, 2014

2. Ramirez JH, Arce R, Contreras A, et al. Periodontal therapy does not improve cardiovascular disease biomarkers: results of a randomized clinical trial. figshare.

Competing interests: I endorse the principles of open data

13 August 2014
Jorge H Ramirez
Professor of Pharmacology
Universidad del Valle
Cll 4B 36-00 Univalle sede San. Fdo. Edificio 116.