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Martine Piccart, head of HERA trials and Edith Perez, head of No American trials of
Herceptin both presented at evening symposia at San Antonio 2006 that the improvement in recurrence rates for her2+ bc by the addition of herceptin to chemotherapy were the same, whether the her2+ bc was ER+ or ER- according to the data as evaluated to that date.
I read the last sentence as saying there was some benefit found for her2-ER+ bc--which might be because some of these metastasize after becoming antihormonal resistant as her2+ bc. Perhaps the herceptin prevented that or treated that.
Am just speculating...this was my take on it...
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