Abstract：
:We report a series of breast cancer patients with invasive skin and nail infections with Staphylococcus species that we attribute to the addition of pertuzumab to trastuzumab-based therapy. With the suspicion of an increased incidence of cutaneous infection in patients treated with pertuzumab and trastuzumab-based chemotherapy, treating medical oncologists identified patients receiving therapy who experienced infection. Between March and October 2014, 18 patients treated with pertuzumab and trastuzumab-based chemotherapy were found to have 21 separate skin/nail infections. Treatment was administered as neoadjuvant therapy in 12 (67%) patients, adjuvant therapy in four (22%) patients, and for metastatic disease in two (11%) patients. Granulocyte growth factors were administered in 11 (61%) patients and no patients were documented to be neutropenic. New skin and nail lesions developed as early as cycle 1 and as late as 8 months from initial therapy. The 21 separate infections documented were folliculitis and "bite-like" lesions (10), abscess (6), paronychia (3), and cellulitis (2). The appearance of these lesions was distinct from typical EGFR-associated skin changes. When cultures were obtained, Staphylococcus species were isolated. Quantitative immunoglobulins were assessed in 14 (78%) patients and were abnormally low in six (43%) of these patients. The skin infections resulted in treatment delay in two (11%) patients and premature discontinuation of therapy in one patient. We believe that the skin/nail infections reported here in patients treated with the combination of pertuzumab and trastuzumab represent a previously unrecognized toxicity of adding pertuzumab to trastuzumab-based therapies.
journal_name
Breast Cancer Res Treatjournal_title
Breast cancer research and treatmentauthors
Mortimer J,Jung J,Yuan Y,Kruper L,Stewart D,Chung S,Yu KW,Mendelsohn M,D'Apuzzo M,Tegtmeier B,Dadwal Sdoi
10.1007/s10549-014-3190-5subject
Has Abstractpub_date
2014-12-01 00:00:00pages
563-70issue
3eissn
0167-6806issn
1573-7217journal_volume
148pub_type
杂志文章,随机对照试验abstract：:Recent compelling evidence indicates that mutation, aberrant expression, and dysregulation of microRNA (miRNA) biogenesis are implicated in cancer development and progression. Based on the important role of miRNA biogenesis pathway in carcinogenesis, we hypothesized that genetic variations in this pathway genes may pl...
journal_title：Breast cancer research and treatment
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journal_title：Breast cancer research and treatment
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