Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Example of a phase II study aiming at identifying mechanisms of drug resistance. Presented is an example of a phase II study designed with the primary aim of exploring mechanisms of resistance to epirubicin and paclitaxel; each drug was administered as a monotherapy regimen [33].
