Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
A planned database collating medical information for England’s population is a laudable exercise, with huge potential for research. But people’s right to opt out has been greatly downplayed.
As public pressure builds for drug companies to make more results available from clinical trials, the industry should not forget that it relies on collective goodwill to test new therapies.