ArticleBMC medicine2025
A retrospective study evaluating the effect of trastuzumab addition to carboplatin/paclitaxel on overall survival in patients with advanced-stage HER2/neu-overexpressing uterine serous carcinoma or carcinosarcoma.
Article in BMC medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- A nomogram for predicting prognosis in uterine serous carcinoma: a large population-based cohort study with external validation.Frontiers in oncology · 2026Article
- Human epidermal growth factor receptor-2, nectin-4, and trophoblast cell surface antigen-2 expression in endometrial carcinosarcoma.Gynecologic oncology reports · 2025Article
- Review
- Potential value and cardiovascular risks of programmed cell death in cancer treatment.Frontiers in pharmacology · 2025Review
- Human epidermal growth factor receptor 2 expression in gynecologic serous carcinomas and preliminary analysis of its characteristics in patients post-neoadjuvant chemotherapy.Frontiers in oncology · 2025Article
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Authors and funding
10 authors.
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Abstract
backgroundUterine serous carcinoma and carcinosarcoma are aggressive forms of endometrial cancer with poor survival outcomes. Trastuzumab, a human epidermal growth factor receptor-2 (HER2)-directed monoclonal antibody, has demonstrated tumoricidal efficacy. However, clinical data regarding its efficacy in uterine serous carcinoma are limited, and there are no clinical data available for uterine carcinosarcoma. Therefore, this study aimed to ascertain the efficacy and safety of adding trastuzumab to carboplatin and paclitaxel as a frontline treatment for advanced-stage HER2-overexpressing uterine serous carcinoma and carcinosarcoma.
methodsThis retrospective study used deidentified data from electronic health records from the TriNetX Research Network. Participants were identified using International Classification of Diseases codes, and HER2 positivity was confirmed through immunohistochemistry or fluorescence in situ hybridisation. Propensity score matching was employed to reduce confounders, and survival outcomes and adverse events were assessed.
resultsFollowing propensity score matching, 280 patients with advanced HER2-positive uterine serous carcinoma or carcinosarcoma were analysed. The group of patients treated with carboplatin/paclitaxel + trastuzumab (CP + T) showed a significantly prolonged median overall survival compared to those treated exclusively with CP (41 months versus 25.2 months, hazard ratio [HR] = 0.51, p = 0.002) in both advanced-stage uterine carcinosarcoma and serous carcinoma. Specifically, patients with uterine carcinosarcoma experienced a prolonged survival benefit (HR = 0.39, p < 0.0001) when trastuzumab was added to their chemotherapy regimen, which surpassed the survival benefit observed in patients with uterine serous carcinoma (HR = 0.56, p = 0.04). However, patients who received trastuzumab experienced increased rates of hypertension, diarrhoea, and left ventricular systolic dysfunction.
conclusionsThe addition of trastuzumab to frontline chemotherapy is effective in treating HER2-overexpressing uterine serous carcinoma and carcinosarcoma, particularly uterine carcinosarcoma. However, careful monitoring of adverse cardiac events is needed.
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