“…Supplemental material attached to journal articles has not been edited, and the authors take responsibility for the accuracy of all data. The recent advent of pragmatic phase 1 dose-titration designs, 3,4 however, facilitates extending such support to clinical judgment in matters of dose individualization. By generalizing one such design 4 to incorporate measures of therapeutic response, we wish to exemplify a "4P" concept of patient-centered, physician-investigator friendly pragmatic phase I/II trial design.…”