Yes, maybe as good and safer on the heart. Looks like if herceptin is given before anthracyclines, the heart function is preserved.Here's why, see link below from the New Eng Jour Med. And see link below from the New Eng Jour Med for study results by FinHer's for 9 wk. regimen.
http://content.nejm.org/cgi/content/full/354/8/789
http://content.nejm.org/cgi/content/full/354/8/809