From the Editor

Lessons learned from using CDK 4/6 inhibitors to treat metastatic breast cancer


It is amazing to see how many new drugs are being developed and approved for patients with cancer. In 2015 alone, the US Food and Drug Administration approved 45 new cancer drugs – a significant jump from the average 26 approvals annually from 2006 to 2014. This major shift in the number of approvals is due to many factors, including the intensified efforts by scientists and clinicians to develop new drugs, especially novel immunotherapies, and changes in the FDA’s drug approval process under the leadership of Dr Richard Pazdur.

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