期刊
RADIATION ONCOLOGY
卷 11, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s13014-016-0586-x
关键词
Choline PET/CT; Stereotactic body radiotherapy; Oligometastatic patients; Recurrent prostate cancer
资金
- Italian Ministry of Health [GR-2010-2318367]
Background: A new entity of patients with recurrent prostate cancer limited to a small number of active metastatic lesions is having growing interest: the oligometastatic patients. Patients with oligometastatic disease could eventually be managed by treating all the active lesions with local therapy, i.e. either surgery or ablative stereotactic body radiotherapy. This study aims to assess the impact of [F-18]Choline ([F-18]FMCH) PET/CT and the use stereotactic body radiotherapy (SBRT) in patients (pts) with oligometastatic prostate cancer (PCa). Methods: Twenty-nine pts with oligometastatic PCa (<= 3 synchronous active lesions detected with [F-18]FMCHPET/CT) were treated with repeated salvage SBRT until disease progression (development of > three active synchronous metastases). Primary endpoint was systemic therapy-free survival measured from the baseline [F-18]FMCHPET/CT. Results: A total of 45 lesions were treated with SBRT. After a median follow-up of 11.5 months (range 3-40 months), 20 pts were still in the study and did not receive any systemic therapy. Nine pts started systemic therapy, and the median time of the primary endpoint was 39.7 months (CI 12.20-62.14 months). No grade 3 or 4 toxicity was recorded. Conclusions: Repeated salvage [F-18]FMCHPET/CT-guided SBRT is well tolerated and could defer the beginning of systemic therapy in selected patients with oligometastatic PCa.
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