Non-initiation and early discontinuation of adjuvant trastuzumab in women with localized HER2-positive breast cancer

Alfred I. Neugut; Grace Clarke Hillyer; Lawrence H. Kushi; Lois Lamerato; Nicole Leoce; Christine B. Ambrosone; Dana H. Bovbjerg; Jeanne S. Mandelblatt; Dawn L. Hershman

doi:10.1007/s12282-014-0543-1

Non-initiation and early discontinuation of adjuvant trastuzumab in women with localized HER2-positive breast cancer

Alfred I. Neugut, Grace Clarke Hillyer, Lawrence H. Kushi, Lois Lamerato, Nicole Leoce, Christine B. Ambrosone, Dana H. Bovbjerg, Jeanne S. Mandelblatt, Dawn L. Hershman

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

One year of trastuzumab therapy is recommended for women with HER2-positive breast cancer ≥1.0 cm in size to increase survival and is considered for women with tumors 0.5–0.9 cm in size. We analyzed compliance with trastuzumab among women with HER2-positive breast cancer in a prospective cohort study. Of 1145 recruited patients with breast cancer, 152 were HER2-positive (13.2 %), of whom 126 had tumors ≥1.0 cm; 110/126 (87.3 %) of these initiated trastuzumab. Non-receipt was associated with older age, better prognosis tumors, and with non-receipt of adjuvant chemotherapy. Of the 110 who initiated treatment, 18 (15 %) did not complete treatment, 15 (83 %) of them because of cardiotoxicity. Of 20 women with tumors 0.5–0.9 cm, 5 (25 %) initiated trastuzumab. Compliance with trastuzumab was very high among those with HER2-positive breast cancer, as was the completion of the recommended therapy.

Original language	English (US)
Pages (from-to)	780-785
Number of pages	6
Journal	Breast Cancer
Volume	21
Issue number	6
DOIs	https://doi.org/10.1007/s12282-014-0543-1
State	Published - 2014
Externally published	Yes

Keywords

Adherence
Adjuvant therapy
Breast cancer
Early discontinuation
Non-initiation
Trastuzumab

ASJC Scopus subject areas

Oncology
Radiology Nuclear Medicine and imaging
Pharmacology (medical)

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Non-initiation and early discontinuation of adjuvant trastuzumab in women with localized HER2-positive breast cancer. / Neugut, Alfred I.; Hillyer, Grace Clarke; Kushi, Lawrence H.; Lamerato, Lois; Leoce, Nicole; Ambrosone, Christine B.; Bovbjerg, Dana H.; Mandelblatt, Jeanne S.; Hershman, Dawn L.

In: Breast Cancer, Vol. 21, No. 6, 2014, p. 780-785.

Research output: Contribution to journal › Article › peer-review

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