ArticleEuropean journal of breast health2022
An Open-Label, Multinational, Multicenter, Phase IIIb Study with Subcutaneous Administration of Trastuzumab in Patients with HER2-Positive Early Breast Cancer to Evaluate Patient Satisfaction.
Article in European journal of breast health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- Real-world evidence on the use of hospital resources for subcutaneous and intravenous trastuzumab administration in breast cancer patients at a referral public hospital in Mexico.Journal of comparative effectiveness research · 2026Article
- Qualitative Interviews on the Experience of Orally vs. Intramuscularly Administered Endocrine Therapy for Advanced Breast Cancer: Patient and Healthcare Provider Perspectives.Oncology and therapy · 2026Article
- Comprehensive risk profiling and long-term cardiovascular toxicity in HER2-positive breast cancer patients treated with trastuzumab.Frontiers in oncology · 2025Article
- Subcutaneous Trastuzumab: An Observational Study of Safety and Tolerability in Patients With Early HER2-Positive Breast Cancer.International journal of breast cancer · 2024Article
Corrections and comments
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Authors and funding
12 authors at 12 institutions in 5 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveThis study was designed to investigate treatment satisfaction in patients and Health Care Professionals (HCP) and to evaluate the safety and tolerability of subcutaneous (SC) trastuzumab in patients with human epidermal growth factor receptor 2 (HER2)-positive early breast cancer (eBC). MATERIALS AND
methodsTwo-hundred and twenty-three patients with eBC were screened, of whom 173 patients met the eligibility criteria and received at least one dose of SC trastuzumab. The primary efficacy endpoint was to assess patient satisfaction via a questionnaire.
resultsThe majority of patients (n = 166, 97.6%) reported satisfaction with the SC route. Patients and HCPs stated that SC trastuzumab was easy to use (93.5% and 62.5%, respectively) compared to the intravenous (IV) route and all HCPs (n = 16) expressed satisfaction with the SC route. Progression, disease recurrence or death was reported in 24 patients (13.8%) by two years of follow up. Four-year disease-free survival (DFS) and overall survival (OS) rates were 84.2% (±3.1) and 90.5% (±4.7), respectively. A total of 1299 adverse events (AEs) were recorded over 4-years follow-up, nearly 97% of which were judged non-serious. The most common AEs were arthralgia (n = 54, 4.2%), flu-like symptoms (n = 41, 3.2%) and nausea (n = 39, 3.0%). Fifty-four cardiac events, including left ventricular dysfunction, left ventricular failure and cardiotoxicity, were reported. Ejection fraction (EF) decrease [median decrease 3.5% (0.12-19.0)] was reported in 5.4% of cases. SC trastuzumab treatment was interrupted due to decreased EF in two cases.
conclusionSC trastuzumab was widely acceptable to both patients and HCPs. The safety and tolerability of SC trastuzumab was consistent with the known safety profile of SC and IV administration.
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