The high price of such drugs is limiting their impact as well. Herceptin can cost up to $40,000 annually, and newer cancer drugs cost even more, making them prohibitively expensive for most patients.
这类药物高企的价格也限制了它们的影响。赫赛汀每年的花费高达4万美元，新的癌症药物花费更高，大部分患者根本负担不起。