generally, insurance companies do require efficacy. many of them have decided not to cover aducanumab for that very reason. though this also gives insurance an

generally, insurance companies do require efficacy. many of them have decided not to cover aducanumab for that very reason. though this also gives insurance an additional excuse to deny stratospherically-expensive gene therapies and other life-saving new treatments, since even the most effective new drugs won't have e.g. 10 year survival rates until they're a decade old. agreed on advertising though.