The US Food and Drug Administration (FDA) has approved a new use for the cancer medication Avastin (bevacizumab), according to biotechnology company Genentech.

Customizing treatments based on a patient’s genetics has led to more effective cancer treatments. Now, researchers have reported using ovarian cancer tumor types to predict how much one medication might benefit patients.

Ovarian cancer is the second most common cancer of the female reproductive organs. It's common for this cancer to return after initial treatment, but two therapies used together may help fight this cancer.