In an ongoing phase 1 trial, the combination of two new immunotherapies targeting CTLA-4 and PD-1 was overall well tolerated and elicited encouraging clinical responses in patients with relapsed/refractory microsatellite stable colorectal cancer, a tumor type typically unresponsive to immune checkpoint blockade.
- Andrea J. Bullock
- Benjamin L. Schlechter
- Anthony B. El-Khoueiry