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1.
Rep Pract Oncol Radiother ; 21(3): 188-94, 2016.
Artículo en Inglés | MEDLINE | ID: mdl-27601949

RESUMEN

AIM: To determine the influence of IGRT in terms of toxicities compared to non-IGRT patients undergoing definitive RT. BACKGROUND: Image-guided radiotherapy (IGRT) enables immediate correction of target movement by online imaging. For prostate cancer patients undergoing radiation therapy (RT), a geographical miss of the prostate may result in increased dose-volume effects in the rectum and bladder. METHODS: A total of 198 prostate cancer patients treated between 2003 and 2013 were recruited randomly for this evaluation. The rates of genitourinary (GU) and gastrointestinal (GI) toxicity for 96 non-IGRT patients (total dose: 72/73.8 Gy) were compared to those for 102 IGRT patients (total dose: 77.4 Gy) according to the Common Toxicity Criteria Version 3.0 (CTCAEv3.0). Follow-up information included treatment-related symptoms and PSA relapse. RESULTS: After a median follow-up of 55.4 months, a statistically significant difference was noted for acute GI toxicities ≥1 in favour of IGRT. Significantly more patients treated by IGRT were free of acute GI symptoms (43% vs. 19%, p = 0.0012). In the non-IGRT group, more patients experienced acute GU side effects (89% vs. 80%, p = 0.07). Late toxicity scores were comparable for both cohorts. CONCLUSIONS: Based on the data, we demonstrated that despite dose escalation, IGRT enabled us to reduce the GI side effects of radiation. IGRT can therefore be considered to be the standard of care for dose-escalated RT of localized prostate cancer.

2.
Cancers (Basel) ; 16(9)2024 Apr 25.
Artículo en Inglés | MEDLINE | ID: mdl-38730602

RESUMEN

Sacituzumab govitecan (SG) is a new treatment option for patients with metastatic triple-negative and hormone receptor-positive, HER2-negative breast cancer. This antibody-drug conjugate is currently approved as monotherapy. Palliative radiotherapy is frequently used to treat symptomatic metastases locally. Concurrent use of SG and irradiation was excluded in clinical trials of SG, and there are currently limited published data. We report here a systematic review, as well as a retrospective multi-center study of 17 patients with triple-negative breast cancer who received concurrent SG and radiotherapy. In these patients, concurrent use was found to be efficient, safe and well tolerated. There were no apparent differences in moderate or severe acute toxicity according to the timing of SG administration.

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