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Prostate cancer with low burden skeletal disease at diagnosis: outcome of concomitant radiotherapy on primary tumor and metastases.

诊断时骨骼疾病负担低的前列腺癌: 原发肿瘤和转移瘤同步放疗的结果。

  • 影响因子:2.12
  • DOI:10.1259/bjr.20190353
  • 作者列表:"Deantoni CL","Fodor A","Cozzarini C","Fiorino C","Brombin C","Di Serio C","Calandrino R","Di Muzio N
  • 发表时间:2020-04-01
Abstract

OBJECTIVE:To evaluate toxicity and clinical outcome in synchronous bone only oligometastatic (≤2 lesions) prostate cancer patients, simultaneously irradiated to prostate/prostatic bed, lymph nodes and bone metastases. METHODS:From 2/2009 to 6/2015, 39 bone only prostate cancer patients underwent radiotherapy (RT) at "radical" doses to bone metastases (median 2 Gy equivalent dose, EQD2>40Gy, α/β = 1,5), nodes, and prostate/prostatic bed, within the same RT course, in association with androgen deprivation therapy (ADT).Biochemical relapse-free survival, clinical relapse-free survival, freedom from distant metastases and overall survival were evaluated. RESULTS:After a median follow-up of 46.5 (1.2-103.6) months, 5 patients died from disease progression, 10 experienced biochemical relapse, 19, still in ADT, presented undetectable prostate-specific antigen (PSA) at the last follow-up. Five patients who discontinued ADT after a median of 34 months (5.8-41) are free from biochemical relapse.The 4 year Kaplan-Meier estimates of biochemical relapse-free survival, clinical relapse-free survival, freedom from distant metastases and overall survival were 53.3%, 65.7%, 73.4% and 82.4% respectively.No Grade > 2 acute events and only two severe late urinary events were recorded, not due to the concomitant treatment of primary and metastatic disease. CONCLUSION:Our results suggest that "radical" and synchronous irradiation of primitive tumor and metastatic disease may be a valid approach in synchronous bone only prostate cancer patients, showing mild toxicity profile and promising survival results. ADVANCES IN KNOWLEDGE:To the best of our knowledge, this is the first analysis of clinical outcome in synchronous bone-only metastasis (neither nodal nor visceral) patients at diagnosis, treated with radical RT to all disease, associated to ADT.

摘要

目的: 评价单纯骨同步寡转移 (≤ 2 个病灶) 前列腺癌患者,同时照射前列腺/前列腺床、淋巴结和骨转移的毒性和临床疗效。 方法: 从 2/2009 到 6/2015,39 例骨性前列腺癌患者接受了 “根治性” 剂量的放疗 (中位 2 gy等效剂量,EQD2>40Gy,Α/β = 1,5) 、淋巴结和前列腺/前列腺床,在同一RT病程内,与雄激素剥夺治疗 (ADT) 相关。生化无复发生存,评估临床无复发生存率、无远处转移生存率和总生存率。 结果: 中位随访 46.5 (1.2-103.6) 个月后,5 例患者死于疾病进展,10 例出现生化复发,19 例仍在ADT,在最后一次随访时呈现不可检测的前列腺特异性抗原 (PSA)。5 例中位 34 个月 (5.8-41) 后停用ADT的患者无生化复发。生化无复发生存率、临床无复发生存率、无远处转移生存率和总生存率的 4 年Kaplan-Meier估计值分别为 53.3% 、 65.7% 、分别为 73.4% 和 82.4%。未记录到> 2 级急性事件,仅记录到两次严重晚期泌尿系事件,不是由于原发和转移性疾病的伴随治疗。 结论: 我们的结果表明,原始肿瘤和转移性疾病的 “根治性” 同步照射可能是同步骨性前列腺癌患者的有效方法,显示出轻微的毒性特征和有希望的生存结果。 知识进步: 据我们所知,这是对诊断时同步骨转移 (既不是淋巴结也不是内脏) 患者临床结局的首次分析,对ADT相关的所有疾病进行根治性RT治疗。

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影响因子:2.12
发表时间:2020-03-01
DOI:10.1259/bjr.20180883
作者列表:["Tran S","Puric E","Walser M","Poel R","Datta NR","Heuberger J","Pica A","Marder D","Lomax N","Bolsi A","Morach P","Bachtiary B","Seddon BM","Schneider R","Bodis S","Weber DC"]

METHODS:OBJECTIVE:Large inoperable sacral chordomas show unsatisfactory local control rates even when treated with high dose proton therapy (PT). The aim of this study is assessing feasibility and reporting early results of patients treated with PT and concomitant hyperthermia (HT). METHODS: :Patients had histologically proven unresectable sacral chordomas and received 70 Gy (relative biological effectiveness) in 2.5 Gy fractions with concomitant weekly HT. Toxicity was assessed according to CTCAE_v4. A volumetric tumor response analysis was performed. RESULTS: :Five patients were treated with the combined approach. Median baseline tumor volume was 735 cc (range, 369-1142). All patients completed PT and received a median of 5 HT sessions (range, 2-6). Median follow-up was 18 months (range, 9-26). The volumetric analysis showed an objective response of all tumors (median shrinkage 46%; range, 9-72). All patients experienced acute Grade 2-3 local pain. One patient presented with a late Grade 3 iliac fracture. CONCLUSION:Combining PT and HT in large inoperable sacral chordomas is feasible and causes acceptable toxicity. Volumetric analysis shows promising early results, warranting confirmation in the framework of a prospective trial. ADVANCES IN KNOWLEDGE: :This is an encouraging first report of the feasibility and early results of concomitant HT and PT in treating inoperable sacral chordoma.

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影响因子:1.41
发表时间:2020-03-01
DOI:10.1177/1078155219842277
作者列表:["Gyori DJ","Bullington SM","Crawford BS","Vernon VP"]

METHODS:BACKGROUND:National guidelines recommend screening and treatment for cancer-related bone disease and continued monitoring of bone-modifying agents. It is unclear whether a standardized screening tool is utilized to identify eligible patients and ensure appropriate supportive care is implemented. The purpose of this study was to evaluate current prescribing practices and optimize management of bone-modifying agents. METHODS:A retrospective chart review was performed to identify patients who received hormone deprivation therapy or had bone metastases through Hematology/Oncology or Urology clinics from 1 November 2016 to 31 October 2017. The primary endpoints of this study were the incidence of completed baseline dual-energy X-ray absorptiometry (DEXA) scan for patients on hormone deprivation therapy and percent of patients started on a bone-modifying agent for the prevention of skeletal-related events secondary to bone metastasis. Secondary endpoints included percent of patients with dental examinations prior to initiation, adequate calcium and vitamin D supplementation, incidence of osteonecrosis of the jaw or flu-like symptoms and education, and percent of bisphosphonate doses appropriately adjusted based on renal function. RESULTS:A total of 375 patients were assessed for baseline DEXA scans and bone-modifying therapy. Of the 226 patients on hormone deprivation therapy, 111 (49%) patients were appropriately screened with a DEXA scan prior to initiation of hormone deprivation therapy. Among the 149 patients with bone metastases, only 94 (63.1%) patients were started on a bone-modifying agent. CONCLUSIONS:Opportunities have been identified to optimize management of patients with cancer-related bone disease. Implementation of standardized tools may increase the rate of appropriate screening and initiation of bone-modifying therapy when warranted.

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影响因子:2.83
发表时间:2020-01-01
DOI:10.1007/s00520-019-04843-9
作者列表:["Dohzono S","Sasaoka R","Takamatsu K","Hoshino M","Nakamura H"]

METHODS:PURPOSE:Low skeletal muscle mass has been associated with poor prognosis in patients with advanced lung cancer. However, little is known about the relationship between skeletal muscle mass and overall survival in patients with bone metastases from lung cancer. The objective of the present study was to evaluate the prognostic value of low trunk muscle mass in predicting overall survival in these patients. METHODS:The data from 198 patients who were diagnosed with bone metastases from lung cancer from April 2009 to May 2017 were retrospectively reviewed. The areas of the psoas and paravertebral muscles were measured at the level of the third lumbar vertebra on computed tomography scans taken at the time nearest to the diagnosis of bone metastasis. Muscle area was evaluated for male and female cohorts separately using different cutoff points. Cox proportional hazards analysis was performed to evaluate the factors independently associated with overall survival. RESULTS:The overall survival of patients in the lowest quartile for psoas muscle area or paravertebral muscle area was significantly shorter than that of patients above the 25th percentile for muscle area (p < 0.001). Multivariate analyses showed that paravertebral muscle mass (hazard ratio, 1.73; 95% confidence interval, 1.17-2.56; p = 0.006), epidermal growth factor receptor-targeted therapy, and performance status were independent prognostic factors. CONCLUSIONS:Low paravertebral muscle mass was associated with shorter survival, independently of known prognostic factors.

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骨肿瘤方向

骨肿瘤是发生于骨骼或其附属组织的肿瘤。有良性,恶性之分,良性骨肿瘤易根治,预后良好,恶性骨肿瘤发展迅速,预后不佳,死亡率高。

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