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Conference Paper: LUX-breast 2: Phase II, open-label study of oral afatinib in HER2-overexpressing metastatic breast cancer (MBC) patients (pts) who progressed on prior trastuzumab (T) and/or lapatinib (L)

TitleLUX-breast 2: Phase II, open-label study of oral afatinib in HER2-overexpressing metastatic breast cancer (MBC) patients (pts) who progressed on prior trastuzumab (T) and/or lapatinib (L)
Authors
KeywordsMedical sciences
Oncology medical sciences
Radiology and nuclear medicine pharmacy and pharmacology biology
Cytology and histology
Issue Date2012
PublisherAmerican Society of Clinical Oncology. The Journal's web site is located at http://www.jco.org/
Citation
The 2012 Annual Meeting of the American Society of Clinical Oncology (ASCO), Chicago, IL., 1-5 June 2012. In Journal of Clinical Oncology, 2012, v. 30 n. 15 suppl., abstract no. TPS651 How to Cite?
AbstractBACKGROUND: Management of HER2-overexpressing MBC has improved over the past decade. However, pts still develop resistance to currently available HER2-targeted therapies and novel effective treatments are increasingly required as dual targeted combinations are given in early treatment lines already. Current therapies focus on targeting HER2 and do not inhibit all relevant ErbB Family dimers. Afatinib is an oral, irreversible ErbB Family Blocker that inhibits signaling through activated EGFR (ErbB1), HER2 (ErbB2) and ErbB4 receptors and transphosphorylation of ErbB3. Preclinical studies have demonstrated efficacy in T-sensitive and T-resistant human BC xenograft models dependent on ErbB signaling. Efficacy of afatinib in a T-resistant SUM 190 xenograft model has been shown to be increased by addition of IV vinorelbine (V). Afatinib monotherapy has shown promising clinical benefit in 46% of HER2-overexpressing MBC pts who progressed on prior T, with 10% of pts achieving PR. METHODS: This open-label Phase II trial (NCT01271725) investigates efficacy and safety of afatinib alone (40 mg/d) followed by afatinib ‘beyond progression’ plus chemotherapy in 120 pts with HER2-overexpressing MBC, who progressed on prior neoadjuvant and/or adjuvant T and/or L. Pts who progress on afatinib monotherapy receive afatinib plus either weekly paclitaxel (P) 80 mg/m2 or V 25 mg/m2. Eligible pts have confirmed HER2-overexpressing BC, stage IV disease measurable by RECIST 1.1, progressed on T and/or L therapy in either neoadjuvant and/or adjuvant setting, are eligible for retreatment with P or V and should not have been pretreated with P (≤12 months) or V, respectively. Exclusion criteria: inadequate cardiac, renal, hepatic and hematological function, pre-existing gastrointestinal dysfunction, rapidly progressing visceral disease, ILD and active brain metastases. The primary endpoint is objective response (OR) and secondary endpoints include best overall response, duration of OR and PFS; safety will be assessed separately for afatinib mono- and combination therapy. Patient enrollment began in May 2011 in 35 sites and 5 countries.
DescriptionGeneral Poster Session: Breast Cancer - HER2/ER: abstract no. TPS651
This journal suppl. is the 2012 ASCO Meeting Abstracts Part 1
Open Access Journal
Persistent Identifierhttp://hdl.handle.net/10722/165600
ISSN
2023 Impact Factor: 42.1
2023 SCImago Journal Rankings: 10.639

 

DC FieldValueLanguage
dc.contributor.authorHickish, Ten_US
dc.contributor.authorTseng, LMen_US
dc.contributor.authorMehta, AOen_US
dc.contributor.authorTsang, Jen_US
dc.contributor.authorKovalenko, Nen_US
dc.contributor.authorUdovitsa, Den_US
dc.contributor.authorPelling, Ken_US
dc.contributor.authorUttenreuther-Fischer, MMen_US
dc.contributor.authorHuang, CSen_US
dc.contributor.authorLUX-Breast 2 Study Group-
dc.date.accessioned2012-09-20T08:20:46Z-
dc.date.available2012-09-20T08:20:46Z-
dc.date.issued2012en_US
dc.identifier.citationThe 2012 Annual Meeting of the American Society of Clinical Oncology (ASCO), Chicago, IL., 1-5 June 2012. In Journal of Clinical Oncology, 2012, v. 30 n. 15 suppl., abstract no. TPS651en_US
dc.identifier.issn0732-183X-
dc.identifier.urihttp://hdl.handle.net/10722/165600-
dc.descriptionGeneral Poster Session: Breast Cancer - HER2/ER: abstract no. TPS651-
dc.descriptionThis journal suppl. is the 2012 ASCO Meeting Abstracts Part 1-
dc.descriptionOpen Access Journal-
dc.description.abstractBACKGROUND: Management of HER2-overexpressing MBC has improved over the past decade. However, pts still develop resistance to currently available HER2-targeted therapies and novel effective treatments are increasingly required as dual targeted combinations are given in early treatment lines already. Current therapies focus on targeting HER2 and do not inhibit all relevant ErbB Family dimers. Afatinib is an oral, irreversible ErbB Family Blocker that inhibits signaling through activated EGFR (ErbB1), HER2 (ErbB2) and ErbB4 receptors and transphosphorylation of ErbB3. Preclinical studies have demonstrated efficacy in T-sensitive and T-resistant human BC xenograft models dependent on ErbB signaling. Efficacy of afatinib in a T-resistant SUM 190 xenograft model has been shown to be increased by addition of IV vinorelbine (V). Afatinib monotherapy has shown promising clinical benefit in 46% of HER2-overexpressing MBC pts who progressed on prior T, with 10% of pts achieving PR. METHODS: This open-label Phase II trial (NCT01271725) investigates efficacy and safety of afatinib alone (40 mg/d) followed by afatinib ‘beyond progression’ plus chemotherapy in 120 pts with HER2-overexpressing MBC, who progressed on prior neoadjuvant and/or adjuvant T and/or L. Pts who progress on afatinib monotherapy receive afatinib plus either weekly paclitaxel (P) 80 mg/m2 or V 25 mg/m2. Eligible pts have confirmed HER2-overexpressing BC, stage IV disease measurable by RECIST 1.1, progressed on T and/or L therapy in either neoadjuvant and/or adjuvant setting, are eligible for retreatment with P or V and should not have been pretreated with P (≤12 months) or V, respectively. Exclusion criteria: inadequate cardiac, renal, hepatic and hematological function, pre-existing gastrointestinal dysfunction, rapidly progressing visceral disease, ILD and active brain metastases. The primary endpoint is objective response (OR) and secondary endpoints include best overall response, duration of OR and PFS; safety will be assessed separately for afatinib mono- and combination therapy. Patient enrollment began in May 2011 in 35 sites and 5 countries.-
dc.languageengen_US
dc.publisherAmerican Society of Clinical Oncology. The Journal's web site is located at http://www.jco.org/-
dc.relation.ispartofJournal of Clinical Oncologyen_US
dc.subjectMedical sciences-
dc.subjectOncology medical sciences-
dc.subjectRadiology and nuclear medicine pharmacy and pharmacology biology-
dc.subjectCytology and histology-
dc.titleLUX-breast 2: Phase II, open-label study of oral afatinib in HER2-overexpressing metastatic breast cancer (MBC) patients (pts) who progressed on prior trastuzumab (T) and/or lapatinib (L)en_US
dc.typeConference_Paperen_US
dc.identifier.emailTsang, J: jwhtsang@hku.hken_US
dc.identifier.authorityTsang, J=rp00278en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.hkuros210711en_US
dc.identifier.volume30-
dc.identifier.issue15 suppl.-
dc.publisher.placeUnited States-
dc.identifier.issnl0732-183X-

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