I would disagree. I know of atleast one drug in PhIII which actually cleared a very significant portion of patients from their metastatic cancer (many patients had only a few months left of median survial before treatment). The exaxt mechanism of this drug is not even fully understood by their inventors, though. Will see if this will be a longlasting effect but there is certainly some potential. Another reason why I would not want to be long on companies like Dendreon which show only very incremental advantages.
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