CTC levels are checked every 21 days. With the che
Post# of 148174
Since a sufficient number of patients would be needed to try and file an early BLA submission, the timing of a BTD submission is not crucial.
Quote:
The change from baseline in circulating tumor cells (CTC) level in the peripheral blood. [ Time Frame: Every 21 days (i.e., Day 1 of each treatment cycle) through treatment completion, an average of 6 months. ]
https://clinicaltrials.gov/ct2/show/NCT03838367