A confidential document, now made public by a Swedish court, tells how pharmaceutical companies are trying to stop long-term safety studies of ADHD drugs.
If more scientific long-term studies would be done showing the harmful effects of the drugs it could lead to withdrawal from the market of this class of drugs. Therefore Big Pharma has to stop all such studies not written and controlled by themselves.
The European Commission has 27 May 2009, after a long review by the European Medicines Agency (EMEA), decided to issue warnings about methylphenidate drugs. The Commission has also decided that a number of long-term studies of good quality should be done to investigate different harmful effects of these drugs.
Read more here