Quote:Of course the doctors treating these 5 ladies did not notice PD-L1 levels. Do you think they had a lab in their office? And a staff of scientists?
The tumor shrinkage would have been measured at the trial site. It would suggest at least to some doctors that they had a hot tumor on their hands and a PD-L1 inhibitor would be indicated. The compassionate use trial was the only one that allowed doctor's choice of drugs during the trial.