CYBERKNIFE FOR BRAIN METASTASES OF MALIGNANT MELANOMA AND RENAL CELL CARCINOMA

Neurosurgery ◽  
2009 ◽  
Vol 64 (suppl_2) ◽  
pp. A26-A32 ◽  
Author(s):  
Wendy Hara ◽  
Phuoc Tran ◽  
Gordon Li ◽  
Zheng Su ◽  
Putipun Puataweepong ◽  
...  

Abstract OBJECTIVE To evaluate the efficacy of CyberKnife (Accuray, Inc., Sunnyvale, CA) stereotactic radiosurgery (SRS) for patients with brain metastases of malignant melanoma and renal cell carcinoma. METHODS We conducted a retrospective review of all patients treated by image-guided radiosurgery at our institution between March 1999 and December 2005. Sixty-two patients with 145 brain metastases of renal cell carcinoma or melanoma were identified. RESULTS The median follow-up period was 10.5 months. Forty-four patients had malignant melanoma, and 18 patients had renal cell carcinoma. The median age was 57 years, and patients were classified as recursive partitioning analysis Class 1 (6 patients), 2 (52 patients) or 3 (4 patients). Thirty-three patients had been treated systemically with either chemotherapy or immunotherapy, and 33 patients were taking corticosteroids at the time of treatment. The mean tumor volume was 1.47 mL (range, 0.02–35.7 mL), and the mean prescribed dose was 20 Gy (range, 14–24 Gy). The median survival after SRS was 8.3 months. Actuarial survival at 6 and 12 months was 57 and 37%, respectively. On multivariate analysis, Karnofsky Performance Scale score (P < 0.01) and previous immunotherapy/clinical trial (P = 0.01) significantly affected overall survival. One-year intracranial progression-free survival was 38%, and local control was 87%. Intracranial control was impacted by whole-brain radiotherapy (P = 0.01), previous chemotherapy (P = 0.01), and control of the primary at the time of SRS (P = 0.02). Surgical resection had no effect on intracranial or local control. Radiographic evidence of radiation necrosis developed in 4 patients (6%). CONCLUSION CyberKnife radiosurgery provided excellent local control with acceptable toxicity in patients with melanoma or renal cell brain metastases. Initial SRS alone appeared to be a reasonable option, as survival was dictated by systemic disease.

2012 ◽  
Vol 116 (5) ◽  
pp. 978-983 ◽  
Author(s):  
D. Clay Cochran ◽  
Michael D. Chan ◽  
Mebea Aklilu ◽  
James F. Lovato ◽  
Natalie K. Alphonse ◽  
...  

Object Gamma Knife surgery (GKS) has been reported as an effective modality for treating brain metastases from renal cell carcinoma (RCC). The authors aimed to determine if targeted agents such as tyrosine kinase inhibitors, mammalian target of rapamycin inhibitors, and bevacizumab affect the patterns of failure of RCC after GKS. Methods Between 1999 and 2010, 61 patients with brain metastases from RCC were treated with GKS. A median dose of 20 Gy (range 13–24 Gy) was prescribed to the margin of each metastasis. Kaplan-Meier analysis was used to determine local control, distant failure, and overall survival rates. Cox proportional hazard regression was performed to determine the association between disease-related factors and survival. Results Overall survival at 1, 2, and 3 years was 38%, 17%, and 9%, respectively. Freedom from local failure at 1, 2, and 3 years was 74%, 61%, and 40%, respectively. The distant failure rate at 1, 2, and 3 years was 51%, 79%, and 89%, respectively. Twenty-seven percent of patients died of neurological disease. The median survival for patients receiving targeted agents (n = 24) was 16.6 months compared with 7.2 months (n = 37) for those not receiving targeted therapy (p = 0.04). Freedom from local failure at 1 year was 93% versus 60% for patients receiving and those not receiving targeted agents, respectively (p = 0.01). Multivariate analysis showed that the use of targeted agents (hazard ratio 3.02, p = 0.003) was the only factor that predicted for improved survival. Two patients experienced post-GKS hemorrhage within the treated volume. Conclusions Targeted agents appear to improve local control and overall survival in patients treated with GKS for metastastic RCC.


2012 ◽  
Vol 30 (15_suppl) ◽  
pp. 2091-2091
Author(s):  
Eric Karl Oermann ◽  
Jing Wu ◽  
Brian Timothy Collins ◽  
David E. Morris ◽  
Matthew G. Ewend

2091 Background: Melanoma and renal cell carcinoma are commonly called radiation resistant tumors due to the decreased response rate to traditional radiation (1.8-2 Gy /Fraction). Large brain metastases from radioresistant primaries are clinical challenges. This study examines the impact of fractionation on the treatment of intracranial metastases from radiation resistant tumors. Methods: Patients with a primary diagnosis of melanoma or renal cell carcinoma and intracranial metastases who completed treatment at The University of North Carolina with frameless robotic radiosurgery between 2007-2011 were retrospectively analyzed. Patients were treated with either single or 3-5 fractions depending on volume. The study’s primary endpoints were overall survival (OS) and local control (LC), and its secondary endpoint was patient steroid requirements. Outcomes data and pre-treatment variables were analyzed for significance using appropriate non-parametric tests. Results: 25 patients were included in the single fraction arm and 13 patients in the multi-fraction arm, and both had equivalent pre-treatment characteristics with the exception of tumor volume which was larger in the multi-fraction arm (p=0.01). At a median follow-up of 4.7 months (range, 1.8-11.6), the median OS for all patients was 6.2 months. One year survival was 35.1% and 5 patients (13%) had local failures at a median time to local failure of 5.5 months. Patients in the multi-fraction arm failed at a higher rate (10.5%) than patients in the single fraction arm (2.6%) (p=0.04), but there was no difference in OS (p=0.34). There was no difference between pre-treatment and post-treatment steroid requirements between the two arms (p=0.351). Conclusions: Fractionation is intended to facilitate radiosurgery in large tumors by limiting high doses of radiation to a large portion of normal brain. In our study of radioresistant intracranial metastases, large tumors receiving multi-fraction radiosurgery had decreased local control with no difference in toxicity or OS. These results suggest a need for either dose escalation, or combination therapy designed to reduce tumor size (resection or aspiration) in order to facilitate single fraction treatment.


2017 ◽  
Vol 35 (6_suppl) ◽  
pp. 520-520 ◽  
Author(s):  
Laurence Albiges ◽  
Ronan Flippot ◽  
Julia Arfi-Rouche ◽  
Caroline Caramella ◽  
Fiorella Ruatta ◽  
...  

520 Background: Brain metastases (BMs) are associated with poor prognosis in metastatic renal cell carcinoma (mRCC). Patients with BM were excluded from pivotal studies of nivolumab in mRCC. Therefore, activity of nivolumab in BM is currently unknown. Methods: Data from mRCC patients with BMs, treated at Gustave Roussy with nivolumab, were collected. RECIST 1.1 assessments of both BM and metastatic sites outside the brain have been prospectively centrally reviewed. Treatment for BM: surgery, stereotactic radiation therapy (SBRT), whole brain radiotherapy (WBRT), and systemic treatment were collected. Results: Between February 2016 and September 2016, 62 consecutive patients have been treated with nivolumab in 2nd/3rdline at Gustave Roussy as part of the GETUG-AFU-26 NIVOREN trial (EudraCT 2015-004117). Among those, 8 patients (13%) had baseline non symptomatic BM, either untreated (n=6), or after SBRT (n=2). Among the 8 patients, median follow up from study enrollment is 8.1 months (range: 3.7-8.5). All 8 patients are alive at the time of analysis, only one still receiving nivolumab. 6/6 patients previously untreated required focal therapy to the brain due to early symptomatic disease progression to the brain: SBRT=5; surgery=1; WBRT=1 (one patient had SBRT +WBRT). Disease progression of BM was symptomatic in 8/8 patients and required steroid use as well as nivolumab discontinuation in 7/8 patients due to either brain and/or systemic disease progression. Conclusions: To our knowledge,this is the first experience evaluating BMs from mRCC treated with nivolumab. Our report suggests that BM from mRCC may not derive benefit from nivolumab and that prior focal therapy to the brain may be discussed in patients before nivolumab start. This finding is currently being investigated in the entire GETUG-AFU-26 NIVOREN trial population (n=499 patients, from 27 centers), which included 54 patients (11%) with BM at treatment start, to be presented at ASCO GU.[Table: see text]


2013 ◽  
Vol 31 (15_suppl) ◽  
pp. e15537-e15537
Author(s):  
Rohan Garje ◽  
Saurabh Dahiya ◽  
Vyshak Alva Venur ◽  
Lingling Du ◽  
Kwabena Osei-Boateng ◽  
...  

e15537 Background: The GPA is a commonly used prognostic index based on RTOG protocols in patients with brain metastases (BM). The purpose of this study was to evaluate the utility of GPA index in a contemporary cohort of renal cell carcinoma with brain metastases (RCCBM) at a larger tertiary care center to predict overall survival. Methods: IRB approval was obtained and the Cleveland Clinic Brain Tumor and Neuro-Oncology Center’s database was used to identify RCCBM patients (pts) treated in the recent era (2000-12). A proportional hazards model was used to assess OS, which was measured from the date of diagnosis of brain metastases to death or last follow-up. Results: 136 RCCBM (100 males), median age 60 years (range 32-79), were evaluated. Pts had a median of 2 (range 1-15) BM; Karnofsky Performance Scale (KPS) was 90-100 in 57%, 70-80 in 38% and <70 in 5%. Extracranial metastasis was present in 93% of pts. OS was 15.0 months (95% C.I. 10.9-17.5). GPA for RCC consists of KPS (90-100, 70-80, <70) and the number of BM present (1, 2-3, >3).GPA was not prognostic for survival (p=.40), and neither GPA coding of KPS nor BM (1, 2-3, >3) was associated with outcome (p=.90 and .26, respectively). In contrast, diagnosis of RCC to BM >5 years, p=.004, brain as an initial site of metastasis, p=.005, normal hemoglobin, p=.01, a single BM, p=.02, controlled primary, p=.02, and age≤65 were found to be independently prognostic for improved OS. Using these factors, an alternative index can be formed. Conclusions: RCCBM specific GPA was notprognostic for OS in this study (p=.40), however a new index was developed based on a revised set of independent prognostic factors that was significant (p<.0001). [Table: see text]


Neurosurgery ◽  
2002 ◽  
Vol 51 (3) ◽  
pp. 656-667 ◽  
Author(s):  
Paul D. Brown ◽  
Cerise A. Brown ◽  
Bruce E. Pollock ◽  
Deborah A. Gorman ◽  
Robert L. Foote

Abstract OBJECTIVE Our aim was to evaluate the efficacy of stereotactic radiosurgery (SRS) for the treatment of patients with brain metastases that have been determined to be “radioresistant” on the basis of histological examination. METHODS We reviewed the medical records of 41 consecutive patients who presented with 83 brain metastases from radioresistant primaries and subsequently underwent SRS. All patients were followed until death or for a median of 31 months after SRS. Tumor histologies included renal cell carcinoma (16 patients), melanoma (23 patients), and sarcoma (2 patients). Eighteen patients (44%) had a solitary metastasis, and 23 patients (56%) had multiple metastases. RESULTS The median overall survival time was 14.2 months after SRS. On the basis of univariate analysis, systemic disease status (P = 0.006) and Radiation Therapy Oncology Group recursive partitioning analysis (RPA) class (P = 0.005) were associated with survival. The median survival time was 23.5 months for patients in RPA Class I status and 10.5 months for patients in RPA Class II or III status. There was a trend (P = 0.12) toward improved median survival for patients with renal cell carcinoma (17.8 mo) as compared with patients with melanoma (9.7 mo). Multivariate analysis showed RPA class (P = 0.038) and histological diagnosis of primary tumor (P &lt; 0.001) to be independent predictors for overall survival. In the 35 patients who underwent follow-up imaging, 9 (12%) of 73 tumors recurred locally. In 54% of the patients, distant brain failure (DBF) developed. Whole brain radiotherapy (WBRT) improved local control and decreased DBF, according to the univariate and multivariate analyses. Patients who received adjuvant WBRT in addition to SRS had 6-month actuarial local control of 100% as compared with 85% among those who did not receive WBRT (P = 0.018). Patients who received adjuvant WBRT with SRS had a 6-month actuarial DBF rate of 17%, as compared with a rate of 64% among patients who had SRS alone (P = 0.0027). CONCLUSION Well-selected patients with brain metastases from radioresistant primary tumors who undergo SRS survive longer than historical controls. RPA Class I status and primary renal cell carcinoma predict longer survival. Adjuvant WBRT improves local control and decreases DBF but does not affect overall survival. Further studies are needed to determine which patients should receive WBRT.


2015 ◽  
Vol 2015 ◽  
pp. 1-4 ◽  
Author(s):  
Michela Roberto ◽  
Maria Bassanelli ◽  
Elsa Iannicelli ◽  
Silvana Giacinti ◽  
Chiara D’Antonio ◽  
...  

Background.Renal cell carcinoma accounts for about 2-3% of all malignant tumors. The prevalence of brain metastases from RCC is less than 20% of cases. Traditionally, whole brain radiotherapy as well as the latest stereotactic radiosurgery improves both survival and local tumor control. These treatments also allow stabilization of clinical symptomatology. However, validated treatment guidelines for RCC patients with brain metastases are not yet available on account of the frequent exclusion of such patients from clinical trials. Moreover, limited data about the sequential use of three therapies, changing the class of agent, have been published up to now.Case Report.We report the case of a patient with metastatic RCC who developed disease progression after sunitinib and everolimus as first-line and second-line therapy, respectively. Thus, he underwent a multimodality treatment with pazopanib, as third-line therapy, to control systemic disease and radiosurgery directed on the new brain metastasis. To date, the patient is still receiving pazopanib, with progression-free survival and overall survival of 43 and 103 months, respectively.Conclusion.In a context characterized by different emerging options, with no general consensus on the optimal treatment strategy, the use of pazopanib in pretreated patients could be a suitable choice.


2014 ◽  
Vol 121 (Suppl_2) ◽  
pp. 26-34 ◽  
Author(s):  
Benjamin Farnia ◽  
K. Ranh Voong ◽  
Paul D. Brown ◽  
Pamela K. Allen ◽  
Nandita Guha-Thakurta ◽  
...  

ObjectThe authors' institution previously reported a 69% rate of crude local control for surgical management of lateral ventricle metastases at the University of Texas MD Anderson Cancer Center. For comparison, the authors here report their institutional experience with use of stereotactic radiosurgery (SRS) to treat intraventricular metastases.MethodsTo identify patients with intraventricular metastases for this retrospective review, the authors queried an institutional SRS database containing the medical records of 1962 patients with 5800 brain metastases who consecutively underwent SRS from June 2009 through October 2013. End points assessed were local control (crude and locoregional), distant failure–free survival, progression-free survival, and overall survival.ResultsOf the 1962 records examined, those for 25 (1.3%) patients with 30 (0.52%) intraventricular metastases were identified. Median patient age at SRS was 55.8 years. The most common primary malignancy was renal cell carcinoma (n = 13), followed by melanoma (n = 7) and breast adenocarcinoma (n = 5). Median tumor volume was 0.75 cm3 (range 0.01–5.6 cm3). Most lesions were located in the lateral ventricles (n = 25, 83.3%) and were treated to a median dose of 20 Gy (range 14–20 Gy). A total of 12 (48%) patients received whole-brain radiation therapy, most (n = 10) before SRS. With a median follow-up of 11.4 months (range 1.6–39.2 months), the rate of crude local control was 93.3%, and the rates of 6-month and 1-year actuarial locoregional control were 85.2% and 56.2%, respectively. The median overall survival time after SRS was 11.6 months (range 1.3–38.9 months), and the 6-month and 1-year actuarial rates were 87.1% and 46.7%, respectively. Disease dissemination developed in 7 (28%) patients as a second intraventricular metastatic lesion (n = 3, 12%), leptomeningeal disease (n = 3, 12%), or both (n = 1, 4%). Radiographic changes developed in 5 (20%) patients and included necrosis (n = 2, 8%) and hemorrhage (n = 3, 12%). A primary diagnosis of renal cell carcinoma was associated with an improved rate of distant failure–free survival (p = 0.05) and progression-free survival (p = 0.08).ConclusionsSRS provides excellent local control for intraventricular metastases, with acceptable treatment-related toxicity, thereby supporting nonsurgical treatment for these lesions. The propensity for intraventricular dissemination among intraventricular metastases seems to be histologically dependent.


2002 ◽  
Vol 97 ◽  
pp. 489-493 ◽  
Author(s):  
Laura Hernandez ◽  
Lucia Zamorano ◽  
Andrew Sloan ◽  
James Fontanesi ◽  
Simon Lo ◽  
...  

Object. The purpose of this study was to clarify the effectiveness of gamma knife radiosurgery (GKS) in achieving a partial or complete remission of so-called radioresistant metastases from renal cell carcinoma (RCC) and to propose guidelines for optimal treatment Methods. During a 5-year period, 29 patients (19 male and 10 female) with 92 brain metastases from RCC underwent GKS. The median tumor volume was 4.7 cm3 (range 0.5–14.5 cm3). Fourteen patients (48%) also underwent whole-brain radiotherapy (WBRT) before GKS, and two patients (6.8%) after GKS. The mean GKS dose delivered to the 50% isodose at the tumor margin was 16.8 Gy (range 13–30 Gy). All cases were categorized according to the Recursive Partitioning Analysis (RPA) classification for brain metastases. Univariate analysis was performed to determine significant prognostic factors and survival. The overall median survival was 7 months after GKS treatment. Age, sex, Karnofsky Performance Scale score, and controlled primary disease were not predictors of survival. Combined WBRT/GKS resulted in median survival of 18, 8.5, and 5.3 months for RPA Classes I, II, and III, respectively, compared with the median survival 7.1, 4.2, and 2.3 months for patients treated with WBRT alone. Conclusions. These results suggest that WBRT combined with GKS may improve survival in patients with brain metastases from RCC. Furthermore, this improvement in survival was seen in all RPA classes.


Author(s):  
Ali Elsorougy ◽  
Hashim Farg ◽  
Dalia Bayoumi ◽  
Mohamed Abou El-Ghar ◽  
Magda Shady

Abstract Background MRI provides several distinct quantitative parameters that may better differentiate renal cell carcinoma (RCC) subtypes. The purpose of the study is to evaluate the diagnostic accuracy of apparent diffusion coefficient (ADC), chemical shift signal intensity index (SII), and contrast enhancement in differentiation between different subtypes of renal cell carcinoma. Results There were 63 RCC as regard surgical histopathological analysis: 43 clear cell (ccRCC), 12 papillary (pRCC), and 8 chromophobe (cbRCC). The mean ADC ratio for ccRCC (0.75 ± 0.13) was significantly higher than that of pRCC (0.46 ± 0.12, P < 0.001) and cbRCC (0.41 ± 0.15, P < 0.001). The mean ADC value for ccRCC (1.56 ± 0.27 × 10−3 mm2/s) was significantly higher than that of pRCC (0.96 ± 0.25 × 10−3 mm2/s, P < 0.001) and cbRCC (0.89 ± 0.29 × 10−3 mm2/s, P < 0.001). The mean SII of pRCC (1.49 ± 0.04) was significantly higher than that of ccRCC (0.93 ± 0.01, P < 0.001) and cbRCC (1.01 ± 0.16, P < 0.001). The ccRCC absolute corticomedullary enhancement (196.7 ± 81.6) was significantly greater than that of cbRCC (177.8 ± 77.7, P < 0.001) and pRCC (164.3 ± 84.6, P < 0.001). Conclusion Our study demonstrated that multiparametric MRI is able to afford some quantitative features such as ADC ratio, SII, and absolute corticomedullary enhancement which can be used to accurately distinguish different subtypes of renal cell carcinoma.


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