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206 results for “stereotactic body radiotherapy”
Dataset related to article "Recurrence pattern of stereotactic body radiotherapy in oligometastatic prostate cancer: a multi-institutional analysis."
<p>PURPOSE:</p> <p>For patients with oligometastatic/oligorecurrent/oligoprogressive lymph node metastases from PCa, metastases-directed therapy is an emerging strategy. The aim of this retrospective study was to evaluate the oncological outcome and pattern of recurrence in patients treated with stereotactic body radiation therapy (SBRT) to lymph node metastases.</p> <p>METHODS:</p> <p>In this multi-institutional analysis, patients with a maximum of five lymph node metastases from PCa treated with SBRT were included. Primary endpoints of the analysis were local control (LC), out-of-field nodal progression-free survival (NPFS), overall progression-free survival (PFS), and overall survival (OS).</p> <p>RESULTS:</p> <p>109 patients and 155 lymph node metastases were evaluated. Patients' median age was 70.8 years (range 51-84) and median PSA before SBRT was 1.88 ng/ml (range 0.3-45.5 ng/ml). The dose delivered to the target ranged from 25 to 48 Gy in 4-7 fractions; median BED<sub>1.5</sub> <sub>Gy</sub> was 198 Gy (range 108.3-432 Gy). With a median follow-up of 16 months, LC rates at 1 and 3 years were 93% and 86%, respectively. In-field progression of disease was observed in 11 (7%) lesions. One- and 3‑year NPFS was 59% and 29%, and median NPFS was 15 months. Rates of OS at 1 and 3 years were 100% and 95%. The median time to administration of a systemic treatment after SBRT was 7.8 months (1.7-54.8).</p> <p>CONCLUSION:</p> <p>SBRT is an effective and well-tolerated treatment option in the management of lymph node metastases from PCa. Prospective trials are necessary to better select patients who benefit most from this ablative focal treatment and better define the recurrence patterns.</p>
Dataset related to article "Stereotactic body radiotherapy in the management of oligometastatic and recurrent biliary tract cancer: single-institution analysis of outcome and toxicity"
<p>This record contains raw data related to article “Stereotactic body radiotherapy in the management of oligometastatic and recurrent biliary tract cancer: single-institution analysis of outcome and toxicity"</p> <p><strong>Introduction: </strong>Biliary tract cancers (BTC) are rare malignancies arising from biliary system. Systemic therapy is the cornerstone for stage IV disease, with poor overall survival (OS). Evidence is lacking about safety and efficacy of local ablative treatments, such as surgery and stereotactic body radiotherapy (SBRT) in the context of metastatic BTC (mBTC).</p> <p><strong>Materials and methods: </strong>We retrospectively analyzed clinical outcomes for a cohort of mBTC patients treated with SBRT for oligometastatic disease. Inclusion criteria were 1-5 distant metastases; SBRT with a dose/fraction of a least 5 Gy to a biological effective dose (BED) of at least 40 Gy considering an α/β of 10 Gy. Analyzed outcomes included local control (LC), distant progression-free survival (DPFS), PFS, and OS.</p> <p><strong>Results: </strong>51 patients meeting the inclusion criteria. Primary tumor sites were intrahepatic cholangiocarcinoma (35%), extrahepatic cholangiocarcinoma (31%), ampullary adenocarcinoma (20%), gallbladder adenocarcinoma (14%). 21 patients were treated on liver lesions, 17 on nodal metastasis, 5 patients on lung lesions, 4 patients on recurrence along the extrahepatic bile duct. After a median follow-up of 14 months median OS was 13.7 months, 1- and 2-year OS were 58% and 41%, respectively. Node and lung as metastatic sites were associated with a longer OS (p < 0.001). Median LC was 26.8 months, and intrahepatic cholangiocarcinoma was associated with longer LC (p = 0.036). Median DPFS was 11 months, with 1- and 2-year DPFS of 48% and 27.8%, respectively. Ten patients reported grade 1-2 toxicity and 2 cases of acute G3 biliary obstruction.</p> <p><strong>Conclusions: </strong>Stereotactic body radiotherapy (SBRT) is feasible in the context of mBTC. OS and PFS results are promising, considering that our patients were heavily pre-treated with systemic therapy. Patients with nodal or lung relapse have better prognosis. Distant relapses remain the main pattern of failure, but treatment of all metastatic sites seems to improve DMFS.</p>
Dataset related to article "The role of stereotactic body radiation therapy and its integration with systemic therapies in metastatic kidney cancer: a multicenter study on behalf of the AIRO (Italian Association of Radiotherapy and Clinical Oncology) genitourinary study group "
<p>This record contains raw data related to article “The role of stereotactic body radiation therapy and its integration with systemic therapies in metastatic kidney cancer: a multicenter study on behalf of the AIRO (Italian Association of Radiotherapy and Clinical Oncology) genitourinary study group"</p> <p>Although systemic therapy represents the standard of care for polymetastatic kidney cancer, stereotactic body radiation therapy (SBRT) may play a relevant role in the oligometastatic setting. We conducted a multicenter study including oligometastatic kidney cancer treated with SBRT. We retrospectively analyzed 207 patients who underwent 245 SBRT treatments on 385 lesions, including 165 (42.9%) oligorecurrent (OR) and 220 (57.1%) oligoprogressive (OP) lesions. Most common sites were lung (30.9%) for OR group, and bone (32.7%) for OP group. Among 78 (31.8%) patients receiving concomitant systemic therapy, sunitinib (61.5%) and pazopanib (15.4%) were the most common for OR patients, while sunitinib (49.2%) and nivolumab (20.0%) for OP patients. End points were local control (LC), progression free survival (PFS), overall survival (OS), time to next systemic therapy (TTNS) and toxicity. Median follow-up was 18.6 months. 1, 2 and 3-year LC rates were 89.4%, 80.1% and 76.6% in OR patients, and 82.7%, 76.9% and 64.3% in those with OP, respectively. LC for OP group was influenced by clear cell histology (p = 0.000), total number of lesions (p = 0.004), systemic therapy during SBRT (p = 0.012), and SBRT dose (p = 0.012). Median PFS was 37.9 months. 1, 2- and 3-year OS was 92.7%, 86.4% and 81.8%, respectively. Median TTNS was 15.8 months for OR patients, and 13.9 months for OP patients. No grade 3 or higher toxicities were reported for both groups. SBRT may be considered an effective safe option in the multidisciplinary management of both OR and OP metastases from kidney cancer.</p> <p> </p>
Dataset related to article "Charlson comorbidity index and G8 in older old adult(≥80 years) hepatocellular carcinoma patients treated with stereotactic body radiotherapy "
<p>This record contains raw data related to article “Charlson comorbidity index and G8 in older old adult(≥80 years) hepatocellular carcinoma patients treated with stereotactic body radiotherapy"</p> <p><strong>Introduction: </strong> Hepatocellular Carcinoma (HCC) is characterized, in Western countries, by higher incidence and mortality rates in the older adult population. In frail patients, limited therapeutic resources are available due to limited expected benefit concerning the risk of treatment-related toxicity. The aim of our study is to evaluate the role of Stereotactic Body Radiotherapy (SBRT) in the clinical management of older old adults (age ≥ 80 years) HCC patients and to identify predictors of efficacy and toxicity.</p> <p><strong>Material and methods: </strong> Clinical and treatment-related data of older old adults HCC patients treated with SBRT at our institution were retrospectively reviewed. Statistical analysis was carried out to identify variables correlated with impaired outcome and toxicity.</p> <p><strong>Results: </strong> Forty-two patients were included, accounting for 63 treated tumors. Median age was 85 (range 80-91) years. Median Charlson Comorbidity Index (CCI) and G8 scores were 10 (range 7-16) and 11 (range 8-14), respectively. SBRT was administered to a median BED10 of 103 Gy10. Median follow-up interval was 11 (range 3-40) months. Two years Local Control (LC), Progression-Free Survival (PFS), and Overall Survival (OS) were 93%, 31%, and 43%, respectively. Acute toxicity occurred in 28% (n = 13) of treatments. A G8 score > 10 was associated with improved survival (p = 0.045), while a CCI ≥10 was correlated with increased acute toxicity (p = 0.021).</p> <p><strong>Conclusions: </strong> SBRT is a safe and effective option in older old adults HCC patients. A comprehensive geriatric assessment (CGA) is advised before treatment decisions to select optimal candidates for SBRT.</p>
Dataset related to article "Oligoscore: a clinical score to predict overall survival in patients with oligometastatic disease treated with stereotactic body radiotherapy "
<p>This record contains raw data related to article “Oligoscore: a clinical score to predict overall survival in patients with oligometastatic disease treated with stereotactic body radiotherapy"</p> <p>Abstract:</p> <p><strong>Background: </strong> to find clinical features that can predict prognosis in patients with oligometastatic disease treated with stereotactic body radiotherapy (SBRT).</p> <p><strong>Material and methods: </strong> Patients with less than 5 metastases in less than 3 different body sites were included in the analysis. Various clinical and treatment parameters were analyzed to create a Cox proportional hazard model for Overall Survival (OS). Subsequently, significant variables were used to create a score.</p> <p><strong>Results: </strong> 997 patients were analyzed. Median OS was 2.61 years, 1 and 3 years OS was respectively 85% and 43%. Location of the primary tumor, performance status, site of irradiated metastases, presence of extratarget non irradiated lesions and RT dose were significant prognostic factors for OS. These parameters were used to create a score and to distinguish three different classes, with median OS of 5.67 years in low risk, 2.47 years in intermediate risk and 1.82 years in high risk group.</p> <p><strong>Conclusion: </strong> moving from easily accessible clinical parameters, a score was created to help the physician's decision about the better treatment or combination of treatments for the individual patient.</p>
Dataset related to article "Linac-based stereotactic body radiation therapy vs moderate hypofractionated radiotherapy in prostate cancer: propensity-score based comparison of outcome and toxicity."
<p>OBJECTIVE:</p> <p>Prostate cancer represents the second most common malignancy in the world and majority of patients have diagnosis of localized disease. The aim of the present study was to compare two cohorts of patients treated with moderate hypofractionation (MHRT) or stereotactic body radiation therapy (SBRT).</p> <p>METHODS:</p> <p>We included patients treated between 2010 and 2015. Inclusion criteria were: adenocarcinoma of the prostate; class risks low or intermediate; WHO performance status 0-2. We evaluated rectal, gastrointestinal toxicity and genitourinary. Measures of outcome were biochemical disease-free survival and overall survival. Propensity score was used to approximate the balance in covariates.</p> <p>RESULTS:</p> <p>209 patients were included, treated with MHRT (<em>n</em> = 109) or SBRT (<em>n</em> = 100). Median follow-up time was 37.4 months. Rates of biochemical disease-free survival at 1- and 3 years were 100 and 95%, respectively. There was no significant difference between the two groups (<em>p</em> = 0.868). Rates of overall survival at 1- and 3 years were 100 and 97.1%, respectively with no differences between the two groups (<em>p</em> = 0.312). After propensity scoring matching, no differences were observed in terms of acute and late rectal and gastrointestinal toxicity. While mild genitourinary side-effects were more common in SBRT group (45.5% <em>vs</em> 19.5 %), Grade 2 and 3 toxicity was increased after MHRT (11.7% <em>vs</em> 2.6 %; <em>p</em> = 0.029).</p> <p>CONCLUSIONS:</p> <p>Moderate hypofractionation and SBRT are two effective and safe options for the treatment of low- and intermediate-risk prostate cancer. The analysis showed no difference in terms of disease's control and survival but increased moderate and severe toxicity after MHRT.</p> <p>ADVANCES IN KNOWLEDGE:</p> <p>Moderate hypofractionation and SBRT are comparable in terms of efficacy while moderate and severe toxicity is more common in the first one.</p>
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