简介:In2001and2002,publicationoftheresultsofthreelargerandomizedcontrolledtriais(RCTs)changedourunderstandingoftherisksandbenefitsofhormonereplacementtherapy(HRT),leadingtonewguidancefromnationaladvisorybodiesonitsuse.Manyclinicaliyrelevantquestionsremainunanswered,butparadoxicallythereultsofrecenttrialsmayhavemadeitmoredifficulttodesignthestudiesnecessarytoanswerthesequestions.TheUKWISDOMtrial(oestrogen-progestogenvsplaceboinhealthywomen),forexample,hasbeendiscontinued.