As to the study, in order to determine the impact advance info can have on share prices, the researchers conducted a retrospectiveanalysisof stock prices of publicly traded pharma and biotechs.
Researchers in the Canadian Network for Observational Drug Effect Studies (CNODES) performed a retrospective observational analysisof administrative databases in Canada, the UK and the US containing more than 2 million patients newly treated with statins. 59, 636 of the subjects already had chronic kidney disease.
Retrospectiveanalysis should not be the basis of an FDA approval, of course, but it can and should be the basis to understand direction and general magnitude of an underlying cause-effect relationship, particularly when that relationship is already is well established i.e.
The rise of cognitive therapy rankles psychotherapists and psychiatrists who ply the retrospectiveanalysis and soulful conversation, whose origins date back to Sigmund Freud and the 1890s.