Enhertu

New data on a breast cancer treatment from AstraZeneca and the Japanese drug maker Daiichi Sankyo brought a standing ovation from cancer doctors attending their annual meeting in Chicago on Sunday. And with good reason.…

For the first time, a drug targeting a protein that drives breast cancer growth has been shown to work against tumors with very low levels of the protein. It’s not a cure. But this latest gain for targeted cancer therapy could open…