Abstract:
:The efficacy of trastuzumab beyond metastatic disease progression (PD) is controversial. We retrospectively analyzed 213 patients with HER2-positive metastatic breast cancer treated with trastuzumab-based therapies between November 1998 and December 2010. Out of 213 patients, 134 (58%) had received trastuzumab consecutively for at least 1 year and 154 of 213 patients (67%) had received two or more lines of consecutive trastuzumab-based therapy beyond PD. For these subgroups of patients, we examined the correlation between patients' survival and time to first tumor progression (TTP). Among 134 patients who received trastuzumab for at least 1 year, 66 (49%) never had PD within the first year of treatment, whereas 68 (51%) had PD at least once within the first year. The estimated 2-year overall survival (OS) after 1 year was 82% for those who had no PD during the first year (median OS 5.1 years) and 70% for those who had PD (median OS 2.6 years) (P<0.0001). Among 154 patients who received two or more lines of consecutive trastuzumab-based therapy beyond PD, we calculated a median first TTP of 8.7 months. In terms of survival after first progression, patients with a longer first TTP (≥8.7 months) had better survival compared with those who had a shorter first TTP (39 months, 95% CI 31-63; vs. 28 months, 95% CI 22-32; P=0.0004). T-based therapy was well tolerated and only five patients experienced a cardiac event. Our retrospective data suggest that treatment with trastuzumab beyond progression is a viable option for patients with advanced HER2-positive breast cancer, whose disease has progressed on previous trastuzumab-based regimens.
journal_name
Anticancer Drugsjournal_title
Anti-cancer drugsauthors
Esposito A,Munzone E,Bagnardi V,Adamoli L,Sciandivasci A,Cullurà D,Goldhirsch A,Nolè Fdoi
10.1097/CAD.0b013e32835679d3subject
Has Abstractpub_date
2012-11-01 00:00:00pages
1089-98issue
10eissn
0959-4973issn
1473-5741journal_volume
23pub_type
杂志文章abstract::Lymphocytes regenerated after treatment with a high dose of cyclophosphamide (CY) were characterized in nude mice. Ten days after a single injection of 200 mg/kg CY into nude mice, regenerated spleen cells suppressed in vitro primary and second antibody production against sheep red blood cells. The CY-treated spleen c...
journal_title:Anti-cancer drugs
pub_type: 杂志文章
doi:10.1097/00001813-199208000-00018
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journal_title:Anti-cancer drugs
pub_type: 杂志文章
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
pub_type: 杂志文章,评审
doi:10.1097/00001813-199010000-00003
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
pub_type: 杂志文章
doi:10.1097/00001813-199901000-00010
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journal_title:Anti-cancer drugs
pub_type: 临床试验,杂志文章
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journal_title:Anti-cancer drugs
pub_type: 临床试验,杂志文章
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
pub_type: 杂志文章
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
pub_type: 临床试验,杂志文章
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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journal_title:Anti-cancer drugs
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