Did regulators fail over selective serotonin reuptake inhibitors?

Controversy over the safety of antidepressants has shaken public confidence. Were mistakes made and could they have been avoided? 's recent letter to doctors points to a sixfold increase in risk of suicidal behaviour in adults taking paroxetine.1 This contrasts with the data in the UK Medicines and Healthcare Products Regulatory Authority's expert working group report on suicide and antidepressants published in December 2004.2 Many people expect drug companies to be slow to concede that a drug causes hazards, but we do not expect our regulators to be even slower, so any hint that this might have been the case needs to be examined.