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de Boisanger J, Brewer M, Fittall MW, Tran A, Thomas K, Dreibe S, Creak A, Solda F, Konadu J, Taylor H, Saran F, Welsh L, Rosenfelder N. Survival after Stereotactic Radiosurgery in the Era of Targeted Therapy: Number of Metastases No Longer Matters. Curr Oncol 2024; 31:2994-3005. [PMID: 38920712 PMCID: PMC11202506 DOI: 10.3390/curroncol31060228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 05/22/2024] [Accepted: 05/24/2024] [Indexed: 06/27/2024] Open
Abstract
Randomised control trial data support the use of stereotactic radiosurgery (SRS) in up to 4 brain metastases (BMs), with non-randomised prospective data complementing this for up to 10 BMs. There is debate in the neuro-oncology community as to the appropriateness of SRS in patients with >10 BMs. We present data from a large single-centre cohort, reporting survival in those with >10 BMs and in a >20 BMs subgroup. A total of 1181 patients receiving SRS for BMs were included. Data were collected prospectively from the time of SRS referral. Kaplan-Meier graphs and logrank tests were used to compare survival between groups. Multivariate analysis was performed using the Cox proportional hazards model to account for differences in group characteristics. Median survival with 1 BM (n = 379), 2-4 BMs (n = 438), 5-10 BMs (n = 236), and >10 BMs (n = 128) was 12.49, 10.22, 10.68, and 10.09 months, respectively. Using 2-4 BMs as the reference group, survival was not significantly different in those with >10 BMs in either our univariable (p = 0.6882) or multivariable analysis (p = 0.0564). In our subgroup analyses, median survival for those with >20 BMs was comparable to those with 2-4 BMs (10.09 vs. 10.22 months, p = 0.3558). This study contributes a large dataset to the existing literature on SRS for those with multi-metastases and supports growing evidence that those with >10 BMs should be considered for SRS.
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Affiliation(s)
- James de Boisanger
- The Royal Marsden Hospital, London SW3 6JJ, UK
- The Institute of Cancer Research, London SM2 5NG, UK
| | | | | | - Amina Tran
- The Royal Marsden Hospital, London SW3 6JJ, UK
| | | | | | | | | | | | | | - Frank Saran
- Cancer and Blood Service, Auckland City Hospital, Auckland 1023, New Zealand
| | - Liam Welsh
- The Royal Marsden Hospital, London SW3 6JJ, UK
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Fittall MW, Brewer M, de Boisanger J, Kviat L, Babiker A, Taylor H, Saran F, Konadu J, Solda F, Creak A, Welsh LC, Rosenfelder N. Predicting Survival with Brain Metastases in the Stereotactic Radiosurgery Era: are Existing Prognostic Scores Still Relevant? Or Can we do Better? Clin Oncol (R Coll Radiol) 2024; 36:307-317. [PMID: 38368229 DOI: 10.1016/j.clon.2024.01.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 11/20/2023] [Accepted: 01/30/2024] [Indexed: 02/19/2024]
Abstract
Predicting survival is essential to tailoring treatment for patients diagnosed with brain metastases. We have evaluated the performance of widely used, validated prognostic scoring systems (Graded Prognostic Assessment and diagnosis-specific Graded Prognostic Assessment) in over 1000 'real-world' patients treated with stereotactic radiosurgery to the brain, selected according to National Health Service commissioning criteria. Survival outcomes from our dataset were consistent with those predicted by the prognostic systems, but with certain cancer subtypes showing a significantly better survival than predicted. Although performance status remains the simplest tool for prediction, total brain tumour volume emerges as an independent prognostic factor, and a new, improved, prognostic scoring system incorporating this has been developed.
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Affiliation(s)
- M W Fittall
- Cancer Institute, University College London, London, UK
| | - M Brewer
- The Department of Neuro-oncology, Royal Marsden NHS Foundation Trust, London, UK
| | - J de Boisanger
- The Department of Neuro-oncology, Royal Marsden NHS Foundation Trust, London, UK
| | - L Kviat
- The Department of Neuro-oncology, Royal Marsden NHS Foundation Trust, London, UK
| | - A Babiker
- The Department of Neuro-oncology, Royal Marsden NHS Foundation Trust, London, UK
| | - H Taylor
- The Department of Neuro-oncology, Royal Marsden NHS Foundation Trust, London, UK
| | - F Saran
- Cancer and Blood Service, Auckland City Hospital, Auckland, New Zealand
| | - J Konadu
- The Department of Neuro-oncology, Royal Marsden NHS Foundation Trust, London, UK
| | - F Solda
- The Department of Neuro-oncology, Royal Marsden NHS Foundation Trust, London, UK
| | - A Creak
- The Department of Neuro-oncology, Royal Marsden NHS Foundation Trust, London, UK
| | - L C Welsh
- The Department of Neuro-oncology, Royal Marsden NHS Foundation Trust, London, UK
| | - N Rosenfelder
- The Department of Neuro-oncology, Royal Marsden NHS Foundation Trust, London, UK.
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Christ SM, Pohl K, Willmann J, Heesen P, Heusel A, Ahmadsei M, Kühnis A, Vlaskou Badra E, Muehlematter UJ, Mayinger M, Balermpas P, Andratschke N, Zaorsky N, Huellner M, Guckenberger M. Patterns of metastatic spread and tumor burden in unselected cancer patients using PET imaging: Implications for the oligometastatic spectrum theory. Clin Transl Radiat Oncol 2024; 45:100724. [PMID: 38288311 PMCID: PMC10823052 DOI: 10.1016/j.ctro.2024.100724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 12/08/2023] [Accepted: 01/07/2024] [Indexed: 01/31/2024] Open
Abstract
Introduction and background Metastatic disease has been proposed as a continuum, with no clear cut-off between oligometastatic and polymetastatic disease. This study aims to quantify tumor burden and patterns of spread in unselected metastatic cancer patients referred for PET-based staging, response assessment of restaging. Materials and methods All oncological fluorodeoxyglucose (FDG-) and prostate-specific membrane antigen (PSMA-) positron emission tomography (PET) scans conducted at a single academic center in 2020 were analyzed. Imaging reports of all patients with metastatic disease were reviewed and assessed. Results For this study, 7,000 PET scans were screened. One third of PET scans (n = 1,754; 33 %) from 1,155 unique patients showed presence of metastatic disease from solid malignancies, of which 601 (52 %) and 554 (48 %) were classified as oligometastatic (maximum 5 metastases) and polymetastatic (>5 metastases), respectively. Lung and pleural cancer, skin cancer, and breast cancer were the most common primary tumor histologies with 132 (23.8 %), 88 (15.9 %), and 72 (13.0 %) cases, respectively. Analysis of the number of distant metastases showed a strong bimodal distribution of the metastatic burden with 26 % of patients having one solitary metastasis and 43 % of patients harboring >10 metastases. Yet, despite 43 % of polymetastatic patients having >10 distant metastases, their pattern of distribution was restricted to one or two organs in about two thirds of patients, and there was no association between the number of distant metastases and the number of involved organs. Conclusion The majority of metastatic cancer patients are characterized by either a solitary metastasis or a high tumor burden with >10 metastases, the latter was often associated with affecting a limited number of organs. These findings support both the spectrum theory of metastasis and the seed and soil hypothesis and can support in designing the next generation of clinical trials in the field of oligometastatic disease.
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Affiliation(s)
- Sebastian M. Christ
- Department of Radiation Oncology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Kaspar Pohl
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Jonas Willmann
- Department of Radiation Oncology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
- Center for Proton Therapy, Paul Scherrer Institute, ETH Domain, Villigen, Switzerland
| | - Philip Heesen
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Astrid Heusel
- Department of Radiation Oncology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Maiwand Ahmadsei
- Department of Radiation Oncology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Anja Kühnis
- Department of Radiation Oncology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Eugenia Vlaskou Badra
- Department of Radiation Oncology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Urs J. Muehlematter
- Department of Nuclear Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Michael Mayinger
- Department of Radiation Oncology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Panagiotis Balermpas
- Department of Radiation Oncology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Nicolaus Andratschke
- Department of Radiation Oncology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Nicholas Zaorsky
- Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Martin Huellner
- Department of Nuclear Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Matthias Guckenberger
- Department of Radiation Oncology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
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Ressler HW, Cramer CK, Isom S, McCormack M, Ruiz J, Xing F, Li W, Whitlow CT, White JJ, Laxton AW, Tatter SB, Chan MD. Brain metastases from renal cell carcinoma: Effects of novel systemic agents on brain metastasis outcomes. Clin Neurol Neurosurg 2024; 238:108191. [PMID: 38422744 DOI: 10.1016/j.clineuro.2024.108191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/16/2024] [Accepted: 02/20/2024] [Indexed: 03/02/2024]
Abstract
OBJECTIVE The objective of this study was to examine survival outcomes in 136 patients with renal cell carcinoma with metastases to the brain who were treated with radiation combined with immunotherapy or tyrosine kinase inhibitor compared to those who were treated with radiation therapy alone. METHODS The Wake Forest Gamma Knife prospective database was searched for all patients with renal cell carcinoma brain metastases. Outcome measurements included overall survival, determined via the Kaplan-Meier Method, and cumulative incidence of local and distant failure, determined using the Fine Gray competing risks analysis with death as a competing risk for the 136 patients included. RESULTS Overall survival for the entire population at 6 months, 12 months, and 24 months was 67%, 47% and 30%, respectively. For the TKI (non-immunotherapy-treated) population (n = 37), overall survival was 75%, 61%, and 40% at 6 months, 12 months, and 24 months, respectively. For the immunotherapy-treated population (n = 35), overall survival was 85%, 64%, and 50% at 6 months, 12 months, and 24 months, respectively. Overall survival was significantly increased for patients who received radiation with either immunotherapy or TKI (p < 0.0001). CONCLUSION Prior series of patients with brain metastases of multiple histologies have demonstrated an improvement in the local efficacy of stereotactic radiosurgery when combined with systemic agents. We found that patients treated with targeted agents and patients treated with immunotherapy demonstrated a trend towards improvement over patients treated in the era prior to the advent of either classes of novel therapies.
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Affiliation(s)
- Hadley W Ressler
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, USA.
| | - Christina K Cramer
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Scott Isom
- Department of Biostatistics and Data Science, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Michael McCormack
- Department of Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Jimmy Ruiz
- Department of Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Fei Xing
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Wencheng Li
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | | | - Jaclyn J White
- Department of Neurosurgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Adrian W Laxton
- Department of Neurosurgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Stephen B Tatter
- Department of Neurosurgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Michael D Chan
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, USA
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Fairchild A, Salama JK, Godfrey D, Wiggins WF, Ackerson BG, Oyekunle T, Niedzwiecki D, Fecci PE, Kirkpatrick JP, Floyd SR. Incidence and imaging characteristics of difficult to detect retrospectively identified brain metastases in patients receiving repeat courses of stereotactic radiosurgery. J Neurooncol 2024:10.1007/s11060-024-04594-6. [PMID: 38340295 DOI: 10.1007/s11060-024-04594-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 01/30/2024] [Indexed: 02/12/2024]
Abstract
PURPOSE During stereotactic radiosurgery (SRS) planning for brain metastases (BM), brain MRIs are reviewed to select appropriate targets based on radiographic characteristics. Some BM are difficult to detect and/or definitively identify and may go untreated initially, only to become apparent on future imaging. We hypothesized that in patients receiving multiple courses of SRS, reviewing the initial planning MRI would reveal early evidence of lesions that developed into metastases requiring SRS. METHODS Patients undergoing two or more courses of SRS to BM within 6 months between 2016 and 2018 were included in this single-institution, retrospective study. Brain MRIs from the initial course were reviewed for lesions at the same location as subsequently treated metastases; if present, this lesion was classified as a "retrospectively identified metastasis" or RIM. RIMs were subcategorized as meeting or not meeting diagnostic imaging criteria for BM (+ DC or -DC, respectively). RESULTS Among 683 patients undergoing 923 SRS courses, 98 patients met inclusion criteria. There were 115 repeat courses of SRS, with 345 treated metastases in the subsequent course, 128 of which were associated with RIMs found in a prior MRI. 58% of RIMs were + DC. 17 (15%) of subsequent courses consisted solely of metastases associated with + DC RIMs. CONCLUSION Radiographic evidence of brain metastases requiring future treatment was occasionally present on brain MRIs from prior SRS treatments. Most RIMs were + DC, and some subsequent SRS courses treated only + DC RIMs. These findings suggest enhanced BM detection might enable earlier treatment and reduce the need for additional SRS.
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Affiliation(s)
- Andrew Fairchild
- Department of Radiation Oncology, Duke University Medical Center, Durham, NC, USA.
- Piedmont Radiation Oncology, 3333 Silas Creek Parkway, Winston Salem, NC, 27103, USA.
| | - Joseph K Salama
- Department of Radiation Oncology, Duke University Medical Center, Durham, NC, USA
- Radiation Oncology Service, Durham VA Medical Center, Durham, NC, USA
| | - Devon Godfrey
- Department of Radiation Oncology, Duke University Medical Center, Durham, NC, USA
| | - Walter F Wiggins
- Deartment of Radiology, Duke University Medical Center, Durham, NC, USA
| | - Bradley G Ackerson
- Department of Radiation Oncology, Duke University Medical Center, Durham, NC, USA
| | - Taofik Oyekunle
- Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, USA
| | - Donna Niedzwiecki
- Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, USA
| | - Peter E Fecci
- Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA
| | - John P Kirkpatrick
- Department of Radiation Oncology, Duke University Medical Center, Durham, NC, USA
- Department of Neurosurgery, Duke University Medical Center, Durham, NC, USA
| | - Scott R Floyd
- Department of Radiation Oncology, Duke University Medical Center, Durham, NC, USA
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Li C, Li K, Zhong S, Tang M, Shi X, Bao Y. Which is the best treatment for melanoma brain metastases? A Bayesian network meta-analysis and systematic review. Crit Rev Oncol Hematol 2024; 194:104227. [PMID: 38220124 DOI: 10.1016/j.critrevonc.2023.104227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 11/21/2023] [Accepted: 11/30/2023] [Indexed: 01/16/2024] Open
Abstract
OBJECTIVE Melanoma has a high degree of central nervous system tropism, and there are many treatment modalities for melanoma brain metastases (MBM). The efficacy and toxicity of various treatments are still controversial. Therefore, they were evaluated by direct and indirect comparison to assist clinical decision-making in this study. METHOD A total of 7 therapeutic modalities for MBM were studied. Retrieval was conducted through Embase, PubMed, Cochrane Library and Web of science databases and the quality of the included literature was evaluated. Meta-analysis and Bayesian network meta-analysis were performed using Review Manager and R language. RESULTS A total of 10 articles were included with 836 MBM patients. Direct comparison showed that stereotactic radiotherapy combined with immunotherapy (SRS + IT) was superior to IT (HR = 0.66, 95%CI = 0.52-0.84) or SRS (HR = 0.81, 95%CI = 0.63-1.03) alone in improving intracranial progression-free survival (PFS). In terms of overall survival (OS), SRS + IT was superior to SRS alone (HR = 0.64, 95%CI = 0.49-0.83), or IT (HR = 0.59, 95%CI = 0.29-1.21). Rank probability and surface under the cumulative ranking curve (SUCRA) by indirect comparison showed that SRS + IT had the best effect on improving intracranial PFS (0.88) and OS (0.98). Additionally, various combination therapies, especially SRS + IT (0.72), increased the incidence of radiation necrosis (RN). In direct comparisons, SRS + IT (RR = 0.93, 95%CI = 0.47-1.83) and SRS + TT (targeted therapy) (RR = 0.24, 95%CI = 0.10-0.56) did not increase intracranial hemorrhage (ICH) compared with SRS. CONCLUSIONS SRS + IT treatment was the best choice for MBM patients in both intracranial PFS and OS, even though it also led to an increased probability of RN.
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Affiliation(s)
- Cong Li
- Department of Neurosurgery, The Fourth Hospital of China Medical University, No. 4 Chongshandong, Huanggu, Shenyang 110084, China
| | - Kunhang Li
- Department of Neurosurgery, The Fourth Hospital of China Medical University, No. 4 Chongshandong, Huanggu, Shenyang 110084, China
| | - Shiyu Zhong
- Department of Neurosurgery, The Fourth Hospital of China Medical University, No. 4 Chongshandong, Huanggu, Shenyang 110084, China
| | - Mingzheng Tang
- The First School of Clinical Medicine, Gansu University of Traditional Chinese Medicine, Lanzhou 730000, China
| | - Xin Shi
- School of Maths and Information Science, Shandong Technology and Business University, Yantai 264005, China; Business School, All Saints Campus, Manchester Metropolitan University, Oxford Road, Manchester, United Kingdom; Institute of Health Sciences, China Medical University, Shenyang 110122, China.
| | - Yijun Bao
- Department of Neurosurgery, The Fourth Hospital of China Medical University, No. 4 Chongshandong, Huanggu, Shenyang 110084, China.
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Williams MM, Sohrabi AK, Kittel CA, White JJ, Cramer CK, Lanier CM, Ruiz J, Xing F, Li W, Whitlow CT, Tatter SB, Chan MD, Laxton AW. Delayed Imaging Changes 18 Months or Longer After Stereotactic Radiosurgery for Brain Metastases: Necrosis or Progression. World Neurosurg 2024; 181:e453-e458. [PMID: 37865197 DOI: 10.1016/j.wneu.2023.10.079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 10/16/2023] [Indexed: 10/23/2023]
Abstract
OBJECTIVE Imaging changes after stereotactic radiosurgery (SRS) can occur for years after treatment, although the available data on the incidence of tumor progression and adverse radiation effects (ARE) are generally limited to the first 2 years after treatment. METHODS A single-institution retrospective review was conducted of patients who had >18 months of imaging follow-up available. Patients who had ≥1 metastatic brain lesions treated with Gamma Knife SRS were assessed for the time to radiographic progression. Those with progression ≥18 months after the initial treatment were included in the present study. The lesions that progressed were characterized as either ARE or tumor progression based on the tissue diagnosis or imaging characteristics over time. RESULTS The cumulative incidence of delayed imaging radiographic progression was 35% at 5 years after the initial SRS. The cumulative incidence curves of the time to radiographic progression for lesions determined to be ARE and lesions determined to be tumor progression were not significantly different statistically. The cumulative incidence of delayed ARE and delayed tumor progression was 17% and 16% at 5 years, respectively. Multivariate analysis indicated that the number of metastatic brain lesions present at the initial SRS was the only factor associated with late radiographic progression. CONCLUSIONS The timing of late radiographic progression does not differ between ARE and tumor progression. The number of metastatic brain lesions at the initial SRS is a risk factor for late radiographic progression.
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Affiliation(s)
- Michelle M Williams
- Department of Neurosurgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Arian K Sohrabi
- Department of Radiation Oncology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Carol A Kittel
- Department of Neurosurgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Jaclyn J White
- Department of Neurosurgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Christina K Cramer
- Department of Medicine (Hematology & Oncology), Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Claire M Lanier
- Department of Medicine (Hematology & Oncology), Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Jimmy Ruiz
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Fei Xing
- Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Wencheng Li
- Department of Radiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Christopher T Whitlow
- Department of Radiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Stephen B Tatter
- Department of Neurosurgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Michael D Chan
- Department of Medicine (Hematology & Oncology), Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - Adrian W Laxton
- Department of Neurosurgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA.
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Christ SM, Borsky K, Kraft J, Frei S, Willmann J, Ahmadsei M, Kirchner C, Stark Schneebeli LS, Camilli F, Tanadini-Lang S, Rahman R, Aizer AA, Guckenberger M, Andratschke N, Mayinger M. External validation of three prognostic scores for brain metastasis velocity in patients treated with intracranial stereotactic radiotherapy. Radiother Oncol 2023; 189:109917. [PMID: 37741344 DOI: 10.1016/j.radonc.2023.109917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 08/18/2023] [Accepted: 09/15/2023] [Indexed: 09/25/2023]
Abstract
BACKGROUND AND INTRODUCTION Brain metastasis velocity (BMV) has been proposed as a prognostic factor for overall survival (OS) in patients with brain metastases (BMs). In this study, we conducted an external validation and comparative assessment of the performance of all three BMV scores. MATERIALS AND METHODS Patients treated with intracranial stereotactic radiotherapy (SRT) for BM at a single center between 2014 and 2018 were identified. Where possible, all three BMV scores were calculated. Log-rank tests and linear, logistic and Cox regression analysis were used for validation and predictor identification of OS. RESULTS For 333 of 384 brain metastasis patients, at least one BMV score could be calculated. In a sub-group of 187 patients, "classic" BMV was validated as categorical (p < 0.0001) and continuous variable (HR 1.02; 95% CI 1.02-1.03; p < 0.0001). In a sub-group of 284 patients, "initial" BMV was validated as categorical variable (high-risk vs. low-risk; p < 0.01), but not as continuous variable (HR 1.02; 95% CI 0.99-1.04; p = 0.224). "Volume-based" BMV could not be validated in a sub-group of 104 patients. On multivariable Cox regression analysis, iBMV (HR 1.85; 95% CI 1.01-3.38; p < 0.05) and cBMV (HR 2.32; 95% CI 1.15 4.68; p < 0.05) were predictors for OS for intermediate-risk patients after first SRT and first DBFs, respectively. cBMV proved to be the dominant predictor for OS for high-risk patients (HR 2.99; 95% CI 1.30-6.91; p < 0.05). CONCLUSION This study externally validated cBMV and iBMV as prognostic scores for OS in patients treated with SRT for BMs whereas validation of vBMV was not achieved.
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Affiliation(s)
- Sebastian M Christ
- Dept. of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland.
| | - Kim Borsky
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Johannes Kraft
- Dept. of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland; Dept. of Radiation Oncology, University Hospital of Wuerzburg, University of Wuerzburg, Germany
| | - Simon Frei
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Jonas Willmann
- Dept. of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland; Center for Proton Therapy, Paul Scherrer Institute, ETH Domain, Villigen, Switzerland
| | - Maiwand Ahmadsei
- Dept. of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Corinna Kirchner
- Dept. of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | | | - Federico Camilli
- Dept. of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland; Radiation Oncology Section, University of Perugia, Perugia, Italy
| | - Stephanie Tanadini-Lang
- Dept. of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Rifaquat Rahman
- Dept. of Radiation Oncology, Dana-Farber/Brigham and Women's Cancer Center, Harvard Medical School, Boston, MA, USA
| | - Ayal A Aizer
- Dept. of Radiation Oncology, Dana-Farber/Brigham and Women's Cancer Center, Harvard Medical School, Boston, MA, USA
| | - Matthias Guckenberger
- Dept. of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Nicolaus Andratschke
- Dept. of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Michael Mayinger
- Dept. of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
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Abdulhaleem M, Hunting JC, Wang Y, Smith MR, Agostino RDJ, Lycan T, Farris MK, Ververs J, Lo HW, Watabe K, Topaloglu U, Li W, Whitlow C, Su J, Wang G, Chan MD, Xing F, Ruiz J. Use of comprehensive genomic profiling for biomarker discovery for the management of non-small cell lung cancer brain metastases. Front Oncol 2023; 13:1214126. [PMID: 38023147 PMCID: PMC10661935 DOI: 10.3389/fonc.2023.1214126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 10/10/2023] [Indexed: 12/01/2023] Open
Abstract
Background Clinical biomarkers for brain metastases remain elusive. Increased availability of genomic profiling has brought discovery of these biomarkers to the forefront of research interests. Method In this single institution retrospective series, 130 patients presenting with brain metastasis secondary to Non-Small Cell Lung Cancer (NSCLC) underwent comprehensive genomic profiling conducted using next generation circulating tumor deoxyribonucleic acid (DNA) (Guardant Health, Redwood City, CA). A total of 77 genetic mutation identified and correlated with nine clinical outcomes using appropriate statistical tests (general linear models, Mantel-Haenzel Chi Square test, and Cox proportional hazard regression models). For each outcome, a genetic signature composite score was created by summing the total genes wherein genes predictive of a clinically unfavorable outcome assigned a positive score, and genes with favorable clinical outcome assigned negative score. Results Seventy-two genes appeared in at least one gene signature including: 14 genes had only unfavorable associations, 36 genes had only favorable associations, and 22 genes had mixed effects. Statistically significant associated signatures were found for the clinical endpoints of brain metastasis velocity, time to distant brain failure, lowest radiosurgery dose, extent of extracranial metastatic disease, concurrent diagnosis of brain metastasis and NSCLC, number of brain metastases at diagnosis as well as distant brain failure. Some genes were solely associated with multiple favorable or unfavorable outcomes. Conclusion Genetic signatures were derived that showed strong associations with different clinical outcomes in NSCLC brain metastases patients. While these data remain to be validated, they may have prognostic and/or therapeutic impact in the future. Statement of translation relevance Using Liquid biopsy in NSCLC brain metastases patients, the genetic signatures identified in this series are associated with multiple clinical outcomes particularly these ones that lead to early or more numerous metastases. These findings can be reverse-translated in laboratory studies to determine if they are part of the genetic pathway leading to brain metastasis formation.
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Affiliation(s)
- Mohammed Abdulhaleem
- Department of Internal Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - John C. Hunting
- Department of Internal Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Yuezhu Wang
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Margaret R. Smith
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Ralph D’ jr. Agostino
- Department of Biostatistics and Data Science, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Thomas Lycan
- Department of Internal Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Michael K. Farris
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - James Ververs
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Hui-Wen Lo
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Kounosuke Watabe
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Umit Topaloglu
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Wencheng Li
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Christopher Whitlow
- Department of Radiology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Jing Su
- Department of Biostatistics and Health Data Science, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Ge Wang
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY, United States
| | - Michael D. Chan
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Fei Xing
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, United States
| | - Jimmy Ruiz
- Department of Internal Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston-Salem, NC, United States
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10
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Gondi V, Deshmukh S, Brown PD, Wefel JS, Armstrong TS, Tome WA, Gilbert MR, Konski A, Robinson CG, Bovi JA, Benzinger TLS, Roberge D, Kundapur V, Kaufman I, Shah S, Usuki KY, Baschnagel AM, Mehta MP, Kachnic LA. Sustained Preservation of Cognition and Prevention of Patient-Reported Symptoms With Hippocampal Avoidance During Whole-Brain Radiation Therapy for Brain Metastases: Final Results of NRG Oncology CC001. Int J Radiat Oncol Biol Phys 2023; 117:571-580. [PMID: 37150264 PMCID: PMC11070071 DOI: 10.1016/j.ijrobp.2023.04.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 04/18/2023] [Accepted: 04/29/2023] [Indexed: 05/09/2023]
Abstract
PURPOSE Initial report of NRG Oncology CC001, a phase 3 trial of whole-brain radiation therapy plus memantine (WBRT + memantine) with or without hippocampal avoidance (HA), demonstrated neuroprotective effects of HA with a median follow-up of fewer than 8 months. Herein, we report the final results with complete cognition, patient-reported outcomes, and longer-term follow-up exceeding 1 year. METHODS AND MATERIALS Adult patients with brain metastases were randomized to HA-WBRT + memantine or WBRT + memantine. The primary endpoint was time to cognitive function failure, defined as decline using the reliable change index on the Hopkins Verbal Learning Test-Revised (HVLT-R), Controlled Oral Word Association, or the Trail Making Tests (TMT) A and B. Patient-reported symptom burden was assessed using the MD Anderson Symptom Inventory with Brain Tumor Module and EQ-5D-5L. RESULTS Between July 2015 and March 2018, 518 patients were randomized. The median follow-up for living patients was 12.1 months. The addition of HA to WBRT + memantine prevented cognitive failure (adjusted hazard ratio, 0.74, P = .016) and was associated with less deterioration in TMT-B at 4 months (P = .012) and HVLT-R recognition at 4 (P = .055) and 6 months (P = .011). Longitudinal modeling of imputed data showed better preservation of all HVLT-R domains (P < .005). Patients who received HA-WBRT + Memantine reported less symptom burden at 6 (P < .001 using imputed data) and 12 months (P = .026 using complete-case data; P < .001 using imputed data), less symptom interference at 6 (P = .003 using complete-case data; P = .0016 using imputed data) and 12 months (P = .0027 using complete-case data; P = .0014 using imputed data), and fewer cognitive symptoms over time (P = .043 using imputed data). Treatment arms did not differ significantly in overall survival, intracranial progression-free survival, or toxicity. CONCLUSIONS With median follow-up exceeding 1 year, HA during WBRT + memantine for brain metastases leads to sustained preservation of cognitive function and continued prevention of patient-reported neurologic symptoms, symptom interference, and cognitive symptoms with no difference in survival or toxicity.
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Affiliation(s)
- Vinai Gondi
- Northwestern Medicine Cancer Center Warrenville and Northwestern Medicine Proton Center, Department of Radiation Oncology, Warrenville, Illinois.
| | - Snehal Deshmukh
- NRG Oncology Statistics and Data Management Center, Philadelphia, Pennsylvania
| | - Paul D Brown
- Mayo Clinic, Department of Radiation Oncology, Rochester, Minnesota
| | - Jeffrey S Wefel
- University of Texas MD Anderson Cancer Center, Department of Neuro-Oncology, Houston, Texas
| | - Terri S Armstrong
- National Cancer Institute Center for Cancer Research, Bethesda, Maryland
| | - Wolfgang A Tome
- Montefiore Medical Center/Albert Einstein College of Medicine, Bronx, New York
| | - Mark R Gilbert
- University of Texas MD Anderson Cancer Center, Department of Neuro-Oncology, Houston, Texas
| | - Andre Konski
- University of Pennsylvania, Perelman School of Medicine, Philadelphia, Pennsylvania
| | | | - Joseph A Bovi
- Froedtert and the Medical College of Wisconsin, Milwaukee, Wisconsin
| | | | | | | | - Isaac Kaufman
- Wayne State University/Karmanos Cancer Institute, Detroit, Michigan
| | - Sunjay Shah
- Delaware/Christiana Care National Cancer Institute Community Oncology Research Program, Wilmington, Delaware
| | | | | | | | - Lisa A Kachnic
- Columbia University, Vagelos Colleg of Physicians and Surgeons, New York, New York
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11
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Kuntz L, Le Fèvre C, Jarnet D, Keller A, Meyer P, Mazzara C, Cebula H, Noel G, Antoni D. Repeated Stereotactic Radiotherapy for Local Brain Metastases Failure or Distant Brain Recurrent: A Retrospective Study of 184 Patients. Cancers (Basel) 2023; 15:4948. [PMID: 37894315 PMCID: PMC10605441 DOI: 10.3390/cancers15204948] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/09/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
BACKGROUND The main advantages of stereotactic radiotherapy (SRT) are to delay whole-brain radiotherapy (WBRT) and to deliver ablative doses. Despite this efficacy, the risk of distant brain metastases (BM) one year after SRT ranges from 26% to 77% and 20 to 40% of patients required salvage treatment. The role and consequences of reirradiation remain unclear, particularly in terms of survival. The objective was to study overall survival (OS) and neurological death-free survival (NDFS) and to specify the prognostic factors of long-term survival. METHODS we retrospectively reviewed the data of patients treated between 2010 and 2020 with at least two courses of SRT without previous WBRT. RESULTS In total, 184 patients were treated for 915 BMs with two-to-six SRT sessions. Additional SRT sessions were provided for local (5.6%) or distant (94.4%) BM recurrence. The median number of BMs treated per SRT was one with a median of four BMs in total. The mean time between the two SRT sessions was 8.9 months (95%CI 7.7-10.1) and there was no significant difference in the delay between the two sessions. The 6-, 12- and 24-month NDFS rates were 97%, 82% and 52%, respectively. The 6-, 12- and 24-month OS rates were 91%, 70% and 38%, respectively. OS was statistically related to the number of SRT sessions (HR = 0.48; p < 0.01), recursive partitioning analysis (HR = 1.84; p = 0.01), salvage WBRT (HR = 0.48; p = 0.01) and brain metastasis velocity (high: HR = 13.83; p < 0.01; intermediate: HR = 4.93; p < 0.01). CONCLUSIONS Lung cancer and melanoma were associated with a lower NDFS compared to breast cancer. A low KPS, a low number of SRT sessions, synchronous extracerebral metastases, synchronous BMs, extracerebral progression at SRT1, a high BMV grade, no WBRT and local recurrence were also associated with a lower NDFS. A high KPS at SRT1 and low BMV grade are prognostic factors for better OS, regardless of the number of BM recurrence events.
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Affiliation(s)
- Laure Kuntz
- Department of Radiation Oncology, Institut de Cancérologie Strasbourg Europe (ICANS), UNICANCER, Paul Strauss Comprehensive Cancer Center, 17 Rue Albert Calmette, 67200 Strasbourg, France; (L.K.); (C.L.F.); (A.K.); (D.A.)
| | - Clara Le Fèvre
- Department of Radiation Oncology, Institut de Cancérologie Strasbourg Europe (ICANS), UNICANCER, Paul Strauss Comprehensive Cancer Center, 17 Rue Albert Calmette, 67200 Strasbourg, France; (L.K.); (C.L.F.); (A.K.); (D.A.)
| | - Delphine Jarnet
- Department of Medical Physics, Institut de Cancérologie Strasbourg Europe (ICANS), UNICANCER, Paul Strauss Comprehensive Cancer Center, 17 Rue Albert Calmette, 67200 Strasbourg, France; (D.J.); (P.M.); (C.M.)
| | - Audrey Keller
- Department of Radiation Oncology, Institut de Cancérologie Strasbourg Europe (ICANS), UNICANCER, Paul Strauss Comprehensive Cancer Center, 17 Rue Albert Calmette, 67200 Strasbourg, France; (L.K.); (C.L.F.); (A.K.); (D.A.)
| | - Philippe Meyer
- Department of Medical Physics, Institut de Cancérologie Strasbourg Europe (ICANS), UNICANCER, Paul Strauss Comprehensive Cancer Center, 17 Rue Albert Calmette, 67200 Strasbourg, France; (D.J.); (P.M.); (C.M.)
| | - Christophe Mazzara
- Department of Medical Physics, Institut de Cancérologie Strasbourg Europe (ICANS), UNICANCER, Paul Strauss Comprehensive Cancer Center, 17 Rue Albert Calmette, 67200 Strasbourg, France; (D.J.); (P.M.); (C.M.)
| | - Hélène Cebula
- Neurosurgery Department, Hôpitaux Universitaires de Strasbourg, 1, Avenue Molière, 67098 Strasbourg, France;
| | - Georges Noel
- Department of Radiation Oncology, Institut de Cancérologie Strasbourg Europe (ICANS), UNICANCER, Paul Strauss Comprehensive Cancer Center, 17 Rue Albert Calmette, 67200 Strasbourg, France; (L.K.); (C.L.F.); (A.K.); (D.A.)
| | - Delphine Antoni
- Department of Radiation Oncology, Institut de Cancérologie Strasbourg Europe (ICANS), UNICANCER, Paul Strauss Comprehensive Cancer Center, 17 Rue Albert Calmette, 67200 Strasbourg, France; (L.K.); (C.L.F.); (A.K.); (D.A.)
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12
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Levis M, Gastino A, De Giorgi G, Mantovani C, Bironzo P, Mangherini L, Ricci AA, Ricardi U, Cassoni P, Bertero L. Modern Stereotactic Radiotherapy for Brain Metastases from Lung Cancer: Current Trends and Future Perspectives Based on Integrated Translational Approaches. Cancers (Basel) 2023; 15:4622. [PMID: 37760591 PMCID: PMC10526239 DOI: 10.3390/cancers15184622] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 09/01/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
Brain metastases (BMs) represent the most frequent metastatic event in the course of lung cancer patients, occurring in approximately 50% of patients with non-small-cell lung cancer (NSCLC) and in up to 70% in patients with small-cell lung cancer (SCLC). Thus far, many advances have been made in the diagnostic and therapeutic procedures, allowing improvements in the prognosis of these patients. The modern approach relies on the integration of several factors, such as accurate histological and molecular profiling, comprehensive assessment of clinical parameters and precise definition of the extent of intracranial and extracranial disease involvement. The combination of these factors is pivotal to guide the multidisciplinary discussion and to offer the most appropriate treatment to these patients based on a personalized approach. Focal radiotherapy (RT), in all its modalities (radiosurgery (SRS), fractionated stereotactic radiotherapy (SRT), adjuvant stereotactic radiotherapy (aSRT)), is the cornerstone of BM management, either alone or in combination with surgery and systemic therapies. We review the modern therapeutic strategies available to treat lung cancer patients with brain involvement. This includes an accurate review of the different technical solutions which can be exploited to provide a "state-of-art" focal RT and also a detailed description of the systemic agents available as effective alternatives to SRS/SRT when a targetable molecular driver is present. In addition to the validated treatment options, we also discuss the future perspective for focal RT, based on emerging clinical reports (e.g., SRS for patients with many BMs from NSCLC or SRS for BMs from SCLC), together with a presentation of innovative and promising findings in translational research and the combination of novel targeted agents with SRS/SRT.
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Affiliation(s)
- Mario Levis
- Radiation Oncology Unit, Department of Oncology, University of Turin, 10126 Turin, Italy; (M.L.); (A.G.); (G.D.G.); (C.M.); (U.R.)
| | - Alessio Gastino
- Radiation Oncology Unit, Department of Oncology, University of Turin, 10126 Turin, Italy; (M.L.); (A.G.); (G.D.G.); (C.M.); (U.R.)
| | - Greta De Giorgi
- Radiation Oncology Unit, Department of Oncology, University of Turin, 10126 Turin, Italy; (M.L.); (A.G.); (G.D.G.); (C.M.); (U.R.)
| | - Cristina Mantovani
- Radiation Oncology Unit, Department of Oncology, University of Turin, 10126 Turin, Italy; (M.L.); (A.G.); (G.D.G.); (C.M.); (U.R.)
| | - Paolo Bironzo
- Oncology Unit, Department of Oncology, San Luigi Gonzaga Hospital, University of Turin, 10043 Orbassano, Italy;
| | - Luca Mangherini
- Pathology Unit, Department of Medical Sciences, University of Turin, 10126 Turin, Italy; (L.M.); (A.A.R.); (P.C.)
| | - Alessia Andrea Ricci
- Pathology Unit, Department of Medical Sciences, University of Turin, 10126 Turin, Italy; (L.M.); (A.A.R.); (P.C.)
| | - Umberto Ricardi
- Radiation Oncology Unit, Department of Oncology, University of Turin, 10126 Turin, Italy; (M.L.); (A.G.); (G.D.G.); (C.M.); (U.R.)
| | - Paola Cassoni
- Pathology Unit, Department of Medical Sciences, University of Turin, 10126 Turin, Italy; (L.M.); (A.A.R.); (P.C.)
| | - Luca Bertero
- Pathology Unit, Department of Medical Sciences, University of Turin, 10126 Turin, Italy; (L.M.); (A.A.R.); (P.C.)
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13
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Baskaran AB, Buerki RA, Khan OH, Gondi V, Stupp R, Lukas RV, Villaflor VM. Building Team Medicine in the Management of CNS Metastases. J Clin Med 2023; 12:3901. [PMID: 37373596 DOI: 10.3390/jcm12123901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/30/2023] [Accepted: 06/03/2023] [Indexed: 06/29/2023] Open
Abstract
CNS metastases are often terminal for cancer patients and occur at an approximately 10-fold higher rate than primary CNS tumors. The incidence of these tumors is approximately 70,000-400,000 cases annually in the US. Advances that have occurred over the past two decades have led to more personalized treatment approaches. Newer surgical and radiation techniques, as well as targeted and immune therapies, have enanled patient to live longer, thus increasing the risk for the development of CNS, brain, and leptomeningeal metastases (BM and LM). Patients who develop CNS metastases have often been heavily treated, and options for future treatment could best be addressed by multidisciplinary teams. Studies have indicated that patients with brain metastases have improved survival outcomes when cared for in high-volume academic institutions using multidisciplinary teams. This manuscript discusses a multidisciplinary approach for both parenchymal brain metastases as well as leptomeningeal metastases implemented in three academic institutions. Additionally, with the increasing development of healthcare systems, we discuss optimizing the management of CNS metastases across healthcare systems and integrating basic and translational science into our clinical care to further improve outcomes. This paper summarizes the existing therapeutic approaches to the treatment of BM and LM and discusses novel and emerging approaches to optimizing access to neuro-oncologic care while simultaneously integrating multidisciplinary teams in the care of patients with BM and LM.
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Affiliation(s)
- Archit B Baskaran
- Department of Neurology, The University of Chicago, Chicago, IL 60637, USA
| | - Robin A Buerki
- Health System Clinician of Neurology (Neuro-Oncology), Northwestern Medicine Regional Medical Group, Warrenville, IL 60555, USA
| | - Osaama H Khan
- Surgical Neuro-Oncology, Northwestern Medicine Central DuPage Hospital, Winfield, IL 60190, USA
| | - Vinai Gondi
- Department of Radiation Oncology, Nothwestern Medicine West Region, Lou & Jean Malnati Brain Tumor Institute, Northwestern University, Warrenville, IL 60555, USA
| | - Roger Stupp
- Neuro-Oncology Division, Neurological Surgery, Medicine (Hematology and Oncology), Neurology, Department of Neurology, Lou & Jean Malnati Brain Tumor Institute Northwestern University, Chicago, IL 60611, USA
| | - Rimas V Lukas
- Neuro-Oncology Division, Department of Neurology, Lou & Jean Malnati Brain Tumor Institute, Northwestern University, Chicago, IL 60611, USA
| | - Victoria M Villaflor
- Department of Medical Oncology and Therapeutics Research, City of Hope, Duarte, CA 91010, USA
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14
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Trapani D, Aizer AA, Lin NU. Multidisciplinary Management of Brain Metastasis from Breast Cancer. Hematol Oncol Clin North Am 2023; 37:183-202. [PMID: 36435610 DOI: 10.1016/j.hoc.2022.08.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The management of patients with breast cancer and brain metastases (BMs) is exquisitely multidisciplinary. Patients presenting with a symptomatic BM may be offered neurosurgical resection, followed by radiation. Stereotactic radiosurgery (SRS) is preferred over whole-brain radiotherapy (WBRT) in most patients presenting with a limited number of BMs, whereas WBRT with hippocampal-sparing and concomitant memantine is preferred for patients with multiple BMs. There is a growing role for systemic therapy, in some cases in lieu of local therapy, particularly in patients with HER2+ breast cancer.
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Affiliation(s)
- Dario Trapani
- Department of Medical Oncology, Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02215, USA
| | - Ayal A Aizer
- Department of Radiation Oncology, Dana-Farber Cancer Institute, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA
| | - Nancy U Lin
- Department of Medical Oncology, Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02215, USA.
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15
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Kuntz L, Le Fèvre C, Jarnet D, Keller A, Meyer P, Thiery A, Cebula H, Noel G, Antoni D. Changes in the characteristics of patients treated for brain metastases with repeat stereotactic radiotherapy (SRT): a retrospective study of 184 patients. Radiat Oncol 2023; 18:21. [PMID: 36717863 PMCID: PMC9885681 DOI: 10.1186/s13014-023-02200-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 01/03/2023] [Indexed: 01/31/2023] Open
Abstract
PURPOSE Brain metastases (BMs) are the leading cause of intracranial malignant neoplasms in adults. WHO, Karnofsky performance status (KPS), age, number of BMs, extracerebral progression (ECP), recursive partitioning analysis (RPA), diagnosis-specific graded prognostic assessment (Ds-GPA) are validated prognostic tools to help clinicians decide on treatment. No consensus exists for repeat stereotactic radiotherapy (SRT) for BMs. The aim of this study was to review the changes in patient characteristics treated with repeated SRTs. METHODS AND MATERIALS The data of patients treated between 2010 and 2020 with at least two courses of SRT without previous whole brain radiotherapy (WBRT) were reviewed. Age, WHO, KPS, ECP, type of systemic treatment, number of BMs were recorded. RPA, Ds-GPA and brain metastasis velocity (BMV) were calculated. RESULTS 184 patients were treated for 915 BMs and received two to six SRTs for local or distant brain recurrence. The median number of BMs treated per SRT was 1 (range: 1-6), for a median of 4 BMs treated during all sessions (range: 2-19). WHO, Ds-GPA and RPA were stable between each session of SRT, whereas KPS was significantly better in SRT1 than in the following SRT. The number of BMs was not significantly different between each SRT, but there was a tendency for more BM at SRT1 (p = 0.06). At SRT1, patients had largest BM and undergo more surgery than during the following SRT (p < 0.001). 6.5%, 37.5% and 56% of patients were classified as high, intermediate, and low BMV, respectively, at the last SRT session. There was almost perfect concordance between the BMV-grade calculated at the last SRT session and at SRT2 (r = 0.89; p < 0.001). CONCLUSION Repeated SRT doesn't lead to a marked alteration in the general condition, KPS was maintained at over 70% for more than 95% of patients during all SRTs. Long survival can be expected, especially in low-grade BMV patients. WBRT shouldn't be aborted, especially for patients developing more than twelve BMs annually.
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Affiliation(s)
- L. Kuntz
- grid.512000.6Department of Radiation Therapy, Institut de Cancérologie Strasbourg Europe (ICANS), 17 Rue Albert Calmette, 67200 Strasbourg, France
| | - C. Le Fèvre
- grid.512000.6Department of Radiation Therapy, Institut de Cancérologie Strasbourg Europe (ICANS), 17 Rue Albert Calmette, 67200 Strasbourg, France
| | - D. Jarnet
- grid.512000.6Medical Physics Unit, Institut de Cancérologie Strasbourg Europe (ICANS), 17 Rue Albert Calmette, 67200 Strasbourg, France
| | - A. Keller
- grid.512000.6Department of Radiation Therapy, Institut de Cancérologie Strasbourg Europe (ICANS), 17 Rue Albert Calmette, 67200 Strasbourg, France
| | - P. Meyer
- grid.512000.6Medical Physics Unit, Institut de Cancérologie Strasbourg Europe (ICANS), 17 Rue Albert Calmette, 67200 Strasbourg, France
| | - A. Thiery
- grid.512000.6Medical Information Department, Institut de Cancérologie Strasbourg Europe (ICANS), 3 Rue de La Porte de L’Hôpital, 67065 Strasbourg Cedex, France
| | - H. Cebula
- grid.412220.70000 0001 2177 138XDepartment of Neurosurgery, University Hospitals of Strasbourg, 1 Avenue Molière, 67200 Strasbourg, France
| | - G. Noel
- grid.512000.6Department of Radiation Therapy, Institut de Cancérologie Strasbourg Europe (ICANS), 17 Rue Albert Calmette, 67200 Strasbourg, France
| | - D. Antoni
- grid.512000.6Department of Radiation Therapy, Institut de Cancérologie Strasbourg Europe (ICANS), 17 Rue Albert Calmette, 67200 Strasbourg, France
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16
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Krämer AS, Adeberg S, Kronsteiner D, König L, Schunn F, Bozorgmehr F, Christopoulos P, Eichkorn T, Schiele A, Hahnemann L, Rieken S, Debus J, Shafie RAE. Upfront and Repeated Stereotactic Radiosurgery in Patients With Brain Metastases From NSCLC. Clin Lung Cancer 2023; 24:269-277. [PMID: 36803615 DOI: 10.1016/j.cllc.2023.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 01/12/2023] [Accepted: 01/13/2023] [Indexed: 01/22/2023]
Abstract
INTRODUCTION Approximately 40% of non-small-cell lung cancer (NSCLC) patients develop brain metastases (BM). Stereotactic radiosurgery (SRS) instead of whole-brain radiotherapy (WBRT) is increasingly administered as an upfront treatment to patients with a limited number of BM. We present outcomes and validation of prognostic scores for these patients treated with upfront SRS. METHODS We retrospectively analyzed 199 patients with a total of 268 SRS courses for 539 brain metastases. Median patient age was 63 years. For larger BM, dose reduction to 18 Gy or hypofractionated SRS in 6 fractions was applied. We analyzed the BMV-, the RPA-, the GPA- and the lung-mol GPA score. Cox proportional hazards models with univariate and multivariate analyses were fitted for overall survival (OS) and intracranial progression-free survival (icPFS). RESULTS Sixty-four patients died, 7 of them of neurological causes. Thirty eight patients (19,3%) required a salvage WBRT. Median OS was 38, 8 months (IQR: 6-NA). In univariate analysis as well as multivariate analysis, the Karnofsky performance scale index (KPI) ≥90% (P = 0, 012 and P = 0, 041) remained as independent prognostic factor for longer OS. All 4 prognostic scoring indices could be validated for OS assessment (BMV P = 0, 007; RPA P = 0, 026; GPA P = 0, 003; lung-mol GPA P = 0, 05). CONCLUSION In this large cohort of NSCLC patients with BM treated with upfront and repeated SRS, OS was markedly favourable, in comparison to literature. Upfront SRS is an effective treatment approach in those patients and can decidedly reduce the impact of BM on overall prognosis. Furthermore, the analysed scores are useful prognostic tools for OS prediction.
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Affiliation(s)
- Anna S Krämer
- Universitätsklinikum Heidelberg, Abteilung RadioOnkologie und Strahlentherapie, Heidelberg, Baden-Württemberg, Germany.
| | - Sebastian Adeberg
- Universitätsklinikum Heidelberg, Abteilung RadioOnkologie und Strahlentherapie, Heidelberg, Baden-Württemberg, Germany
| | - Dorothea Kronsteiner
- Institut für Medizinische Biometrie (IMB), Universitätsklinikum Heidelberg, Heidelberg, Baden-Württemberg, Germany
| | - Laila König
- Universitätsklinikum Heidelberg, Abteilung RadioOnkologie und Strahlentherapie, Heidelberg, Baden-Württemberg, Germany
| | - Fabian Schunn
- Universitätsklinikum Heidelberg, Abteilung RadioOnkologie und Strahlentherapie, Heidelberg, Baden-Württemberg, Germany
| | | | | | - Tanja Eichkorn
- Universitätsklinikum Heidelberg, Abteilung RadioOnkologie und Strahlentherapie, Heidelberg, Baden-Württemberg, Germany
| | - Annabella Schiele
- Universitätsklinikum Heidelberg, Abteilung RadioOnkologie und Strahlentherapie, Heidelberg, Baden-Württemberg, Germany
| | - Laura Hahnemann
- Universitätsklinikum Heidelberg, Abteilung RadioOnkologie und Strahlentherapie, Heidelberg, Baden-Württemberg, Germany
| | - Stefan Rieken
- Universitätsmedizin Göttingen, Klinik für Strahlentherapie und Radioonkologie, Göttingen, Lower Saxony, Germany
| | - Jürgen Debus
- Universitätsklinikum Heidelberg, Abteilung RadioOnkologie und Strahlentherapie, Heidelberg, Baden-Württemberg, Germany
| | - Rami A El Shafie
- Universitätsklinikum Heidelberg, Abteilung RadioOnkologie und Strahlentherapie, Heidelberg, Baden-Württemberg, Germany; Universitätsmedizin Göttingen, Klinik für Strahlentherapie und Radioonkologie, Göttingen, Lower Saxony, Germany
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Natural history of lung squamous cell brain metastases in patients treated with radiosurgery: a thirty-year experience at a tertiary medical center. J Neurooncol 2023; 161:135-146. [PMID: 36469189 DOI: 10.1007/s11060-022-04153-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 09/29/2022] [Indexed: 12/12/2022]
Abstract
PURPOSE In this study we report our 30-year experience in stereotactic radiosurgery (SRS) treatment of lung squamous cell carcinoma (LUSC) brain metastases (BMs). It will serve to provide detailed longitudinal outcomes and predictors of efficacy in treating LUSC-BMs with SRS. METHOD We retrospectively reviewed 51 patients and 109 tumors treated with SRS at our center between 1993 and 2022. Patient demographics, PDL1 genotype, immunotherapy use and mortality cause were recorded. Radiological and clinical outcomes were followed at 1-3-month intervals post-SRS. Cox-regression analysis and Kaplan-Meier survival curves were performed in statistical analysis. RESULTS We included 37 male and 14 female patients (median age 62.7 years at BM diagnosis). Median overall survival (OS) time was 6.9 months, 6-month OS rate was 62.1%, and Karnofsky performance scale (KPS) was the only independent predictor. Median time for local control maintenance was 7.6 months, 6-month local control rate was 69.1%, with TKI as the only independent predictor. Median time to distant failure was 5.13 months, 6-month distant failure rate was 51.1%, and factors with significant impact included gender (p = 0.002), presence of extracranial metastases (p < 0.001), use of immunotherapy(p < 0.001), PDL1 genotype (p = 0.034), and total intracranial metastases number (p = 0.008). However, no definitive benefits of immunotherapy were identified in patients with higher PDL1 mutational tumors. CONCLUSION In this study we defined the natural history of disease progression and outcomes in SRS-treated LUSC-BM patients. We also identified predictors of OS and tumor control among these patients. The findings of this study will serve as a guide when counseling these patients for SRS.
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Hirata M, Yasui K, Oota N, Ogawa H, Onoe T, Maki S, Ito Y, Hayashi K, Asakura H, Murayama S, Mitsuya K, Deguchi S, Nakamura K, Hayashi N, Nishimura T, Harada H. Feasibility of linac-based fractionated stereotactic radiotherapy and stereotactic radiosurgery for patients with up to ten brain metastases. Radiat Oncol 2022; 17:213. [PMID: 36578021 PMCID: PMC9795627 DOI: 10.1186/s13014-022-02185-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 12/20/2022] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Linac-based fractionated stereotactic radiotherapy (fSRT) and stereotactic radiosurgery (SRS) are increasingly being used to manage patients with multiple metastases. This retrospective cohort study aimed to compare the outcomes after linac-based fSRT and SRS between three patient groups classified based on the number of brain metastases (BMs): 1 BM, 2-4 BM, 5-10 BM. METHODS The data of consecutive patients with 1-10 BMs treated with fSRT or SRS between July 2016 and June 2018 at a single institution were collected. Patients with previous whole-brain radiotherapy (WBRT), concurrent use of WBRT, or surgical resection were excluded from the analysis. A total of 176 patients were classified into three groups according to the number of BMs: 78, 67, and 31 patients in 1 BM, 2-4 BM, and 5-10 BM, respectively. The Kaplan-Meier method was used to estimate overall survival (OS) curves, and the cumulative incidence with competing risks was used to estimate local control (LC), distant intracranial failure (DIF), and radiation necrosis (RN). RESULTS Median OS was 19.8 months (95% confidence interval [CI] 10.2-27.5), 7.3 months (4.9-11.1), and 5.1 months (4.0-9.0) in 1 BM, 2-4 BM, and 5-10 BM, respectively. Compared to 2-4 BM, 1 BM had significantly better OS (hazard ratio [HR] 0.59, 95% CI 0.40-0.87; p = 0.0075); however, 5-10 BM had comparable OS (HR 1.36, 95% CI 0.85-2.19; p = 0.199). There was no significant difference in LC, DIF, and RN between tumor number groups, but DIF was lower in 1 BM. RN of grade 2 or higher occurred in 21 patients (13.5%); grade 4 and 5 RN were not observed. CONCLUSIONS The linac-based fSRT and SRS for patients with 5-10 BMs is comparable to that for patients with 2-4 BMs in OS, LC, DIF, and RN. It seems reasonable to use linac-based fSRT and SRS in patients with 5-10 BMs.
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Affiliation(s)
- Masanori Hirata
- grid.415797.90000 0004 1774 9501Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777 Japan ,grid.471533.70000 0004 1773 3964Department of Radiation Oncology, Hamamatsu University Hospital, Shizuoka, Japan
| | - Kazuaki Yasui
- grid.415797.90000 0004 1774 9501Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777 Japan
| | - Naofumi Oota
- grid.415797.90000 0004 1774 9501Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777 Japan
| | - Hirofumi Ogawa
- grid.415797.90000 0004 1774 9501Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777 Japan
| | - Tsuyoshi Onoe
- grid.415797.90000 0004 1774 9501Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777 Japan
| | - Sayo Maki
- grid.415797.90000 0004 1774 9501Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777 Japan
| | - Yusuke Ito
- grid.415797.90000 0004 1774 9501Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777 Japan
| | - Kenji Hayashi
- grid.415797.90000 0004 1774 9501Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777 Japan
| | - Hirofumi Asakura
- grid.415797.90000 0004 1774 9501Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777 Japan
| | - Shigeyuki Murayama
- grid.415797.90000 0004 1774 9501Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777 Japan
| | - Koichi Mitsuya
- grid.415797.90000 0004 1774 9501Division of Neurosurgery, Shizuoka Cancer Center, Shizuoka, Japan
| | - Shoichi Deguchi
- grid.415797.90000 0004 1774 9501Division of Neurosurgery, Shizuoka Cancer Center, Shizuoka, Japan
| | - Katsumasa Nakamura
- grid.471533.70000 0004 1773 3964Department of Radiation Oncology, Hamamatsu University Hospital, Shizuoka, Japan
| | - Nakamasa Hayashi
- grid.415797.90000 0004 1774 9501Division of Neurosurgery, Shizuoka Cancer Center, Shizuoka, Japan
| | - Tetsuo Nishimura
- grid.415797.90000 0004 1774 9501Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777 Japan
| | - Hideyuki Harada
- Radiation and Proton Therapy Center, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777, Japan.
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19
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Tan XL, Le A, Scherrer E, Tang H, Kiehl N, Han J, Jiang R, Diede SJ, Shui IM. Systematic literature review and meta-analysis of clinical outcomes and prognostic factors for melanoma brain metastases. Front Oncol 2022; 12:1025664. [PMID: 36568199 PMCID: PMC9773194 DOI: 10.3389/fonc.2022.1025664] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 11/24/2022] [Indexed: 12/13/2022] Open
Abstract
Background More than 60% of all stage IV melanoma patients develop brain metastases, while melanoma brain metastases (MBM) is historically difficult to treat with poor prognosis. Objectives To summarize clinical outcomes and prognostic factors in MBM patients. Methods A systematic review with meta-analysis was conducted, and a literature search for relevant studies was performed on November 1, 2020. Weighted average of median overall survival (OS) was calculated by treatments. The random-effects model in conducting meta-analyses was applied. Results A total of 41 observational studies and 12 clinical trials with our clinical outcomes of interest, and 31 observational studies addressing prognostic factors were selected. The most common treatments for MBM were immunotherapy (IO), MAP kinase inhibitor (MAPKi), stereotactic radiosurgery (SRS), SRS+MAPKi, and SRS+IO, with median OS from treatment start of 7.2, 8.6, 7.3, 7.3, and 14.1 months, respectively. Improved OS was observed for IO and SRS with the addition of IO and/or MAPKi, compared to no IO and SRS alone, respectively. Several prognostic factors were found to be significantly associated with OS in MBM. Conclusion This study summarizes pertinent information regarding clinical outcomes and the association between patient characteristics and MBM prognosis.
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Affiliation(s)
- Xiang-Lin Tan
- Merck & Co., Inc., Rahway, NJ, United States,*Correspondence: Xiang-Lin Tan,
| | - Amy Le
- Department of Epidemiology, Richard M. Fairbanks School of Public Health, Indiana University, Indianapolis, IN, United States
| | - Emilie Scherrer
- Merck & Co., Inc., Rahway, NJ, United States,Seagen Inc., Bothell, WA, United States
| | - Huilin Tang
- Integrative Precision Health, LLC, Carmel, IN, United States
| | - Nick Kiehl
- Department of Epidemiology, Richard M. Fairbanks School of Public Health, Indiana University, Indianapolis, IN, United States
| | - Jiali Han
- Integrative Precision Health, LLC, Carmel, IN, United States
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Lanier CM, Pearce J, Isom S, Xing F, Lo HW, Whitlow CT, Ruiz J, White JJ, Laxton AW, Tatter SB, Cramer CK, Chan MD. Long term survivors of stereotactic radiosurgery for brain metastases: do distant brain failures reach a plateau and what factors are associated with a brain metastasis velocity of zero? J Neurooncol 2022; 160:643-648. [DOI: 10.1007/s11060-022-04183-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 10/22/2022] [Indexed: 11/09/2022]
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21
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Aizer AA, Lamba N, Ahluwalia MS, Aldape K, Boire A, Brastianos PK, Brown PD, Camidge DR, Chiang VL, Davies MA, Hu LS, Huang RY, Kaufmann T, Kumthekar P, Lam K, Lee EQ, Lin NU, Mehta M, Parsons M, Reardon DA, Sheehan J, Soffietti R, Tawbi H, Weller M, Wen PY. Brain metastases: A Society for Neuro-Oncology (SNO) consensus review on current management and future directions. Neuro Oncol 2022; 24:1613-1646. [PMID: 35762249 PMCID: PMC9527527 DOI: 10.1093/neuonc/noac118] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Brain metastases occur commonly in patients with advanced solid malignancies. Yet, less is known about brain metastases than cancer-related entities of similar incidence. Advances in oncologic care have heightened the importance of intracranial management. Here, in this consensus review supported by the Society for Neuro-Oncology (SNO), we review the landscape of brain metastases with particular attention to management approaches and ongoing efforts with potential to shape future paradigms of care. Each coauthor carried an area of expertise within the field of brain metastases and initially composed, edited, or reviewed their specific subsection of interest. After each subsection was accordingly written, multiple drafts of the manuscript were circulated to the entire list of authors for group discussion and feedback. The hope is that the these consensus guidelines will accelerate progress in the understanding and management of patients with brain metastases, and highlight key areas in need of further exploration that will lead to dedicated trials and other research investigations designed to advance the field.
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Affiliation(s)
- Ayal A Aizer
- Corresponding Author: Dr. Ayal A. Aizer, MD/MHS, Department of Radiation Oncology, Dana-Farber Cancer Institute, Brigham and Women’s Hospital, 75 Francis Street, Boston, MA 02115, USA ()
| | | | | | - Kenneth Aldape
- Laboratory of Pathology, National Cancer Institute, Bethesda, Maryland, USA
| | - Adrienne Boire
- Department of Neurology, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Priscilla K Brastianos
- Departments of Neuro-Oncology and Medical Oncology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Paul D Brown
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | - D Ross Camidge
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Veronica L Chiang
- Departments of Neurosurgery and Radiation Oncology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Michael A Davies
- Department of Melanoma Medical Oncology, MD Anderson Cancer Center, Houston, Texas, USA
| | - Leland S Hu
- Department of Radiology, Neuroradiology Division, Mayo Clinic, Phoenix, Arizona, USA
| | - Raymond Y Huang
- Department of Radiology, Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | | | - Priya Kumthekar
- Department of Neurology at The Feinberg School of Medicine at Northwestern University and The Malnati Brain Tumor Institute at the Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, Illinois, USA
| | - Keng Lam
- Department of Neurology, Kaiser Permanente, Los Angeles Medical Center, Los Angeles, California, USA
| | - Eudocia Q Lee
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Nancy U Lin
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Minesh Mehta
- Department of Radiation Oncology, Miami Cancer Institute, Miami, Florida, USA
| | - Michael Parsons
- Departments of Oncology and Psychiatry, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - David A Reardon
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Jason Sheehan
- Department of Neurosurgery, University of Virginia, Charlottesville, Virginia, USA
| | - Riccardo Soffietti
- Division of Neuro-Oncology, Department of Neuroscience Rita Levi Montalcini, University of Turin, Turin, Italy
| | - Hussein Tawbi
- Department of Melanoma Medical Oncology, MD Anderson Cancer Center, Houston, Texas, USA
| | - Michael Weller
- Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland
| | - Patrick Y Wen
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
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Gondi V, Bauman G, Bradfield L, Burri SH, Cabrera AR, Cunningham DA, Eaton BR, Hattangadi-Gluth JA, Kim MM, Kotecha R, Kraemer L, Li J, Nagpal S, Rusthoven CG, Suh JH, Tomé WA, Wang TJC, Zimmer AS, Ziu M, Brown PD. Radiation Therapy for Brain Metastases: An ASTRO Clinical Practice Guideline. Pract Radiat Oncol 2022; 12:265-282. [PMID: 35534352 DOI: 10.1016/j.prro.2022.02.003] [Citation(s) in RCA: 92] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 02/07/2022] [Indexed: 12/24/2022]
Abstract
PURPOSE This guideline provides updated evidence-based recommendations addressing recent developments in the management of patients with brain metastases, including advanced radiation therapy techniques such as stereotactic radiosurgery (SRS) and hippocampal avoidance whole brain radiation therapy and the emergence of systemic therapies with central nervous system activity. METHODS The American Society for Radiation Oncology convened a task force to address 4 key questions focused on the radiotherapeutic management of intact and resected brain metastases from nonhematologic solid tumors. The guideline is based on a systematic review provided by the Agency for Healthcare Research and Quality. Recommendations were created using a predefined consensus-building methodology and system for grading evidence quality and recommendation strength. RESULTS Strong recommendations are made for SRS for patients with limited brain metastases and Eastern Cooperative Oncology Group performance status 0 to 2. Multidisciplinary discussion with neurosurgery is conditionally recommended to consider surgical resection for all tumors causing mass effect and/or that are greater than 4 cm. For patients with symptomatic brain metastases, upfront local therapy is strongly recommended. For patients with asymptomatic brain metastases eligible for central nervous system-active systemic therapy, multidisciplinary and patient-centered decision-making to determine whether local therapy may be safely deferred is conditionally recommended. For patients with resected brain metastases, SRS is strongly recommended to improve local control. For patients with favorable prognosis and brain metastases receiving whole brain radiation therapy, hippocampal avoidance and memantine are strongly recommended. For patients with poor prognosis, early introduction of palliative care for symptom management and caregiver support are strongly recommended. CONCLUSIONS The task force has proposed recommendations to inform best clinical practices on the use of radiation therapy for brain metastases with strong emphasis on multidisciplinary care.
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Affiliation(s)
- Vinai Gondi
- Department of Radiation Oncology, Northwestern Medicine Cancer Center and Proton Center, Warrenville, Illinois.
| | - Glenn Bauman
- Division of Radiation Oncology, Department of Oncology, London Health Sciences Centre & Western University, London, Ontario, Canada
| | - Lisa Bradfield
- American Society for Radiation Oncology, Arlington, Virginia
| | - Stuart H Burri
- Department of Radiation Oncology, Atrium Health, Charlotte, North Carolina
| | - Alvin R Cabrera
- Department of Radiation Oncology, Kaiser Permanente, Seattle, Washington
| | | | - Bree R Eaton
- Department of Radiation Oncology, Emory University, Atlanta, Georgia
| | | | - Michelle M Kim
- Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan
| | - Rupesh Kotecha
- Department of Radiation Oncology, Miami Cancer Institute, Baptist Health South Florida, Miami, Florida
| | | | - Jing Li
- Department of Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Seema Nagpal
- Division of Neuro-oncology, Department of Neurology, Stanford University, Stanford, California
| | - Chad G Rusthoven
- Department of Radiation Oncology, University of Colorado, Aurora, Colorado
| | - John H Suh
- Department of Radiation Oncology, Cleveland Clinic Taussig Cancer Institute, Cleveland, Ohio
| | - Wolfgang A Tomé
- Department of Radiation Oncology, Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, New York
| | - Tony J C Wang
- Department of Radiation Oncology, Columbia University, New York, New York
| | - Alexandra S Zimmer
- Women's Malignancies Branch, National Institutes of Health/National Cancer Institute, Bethesda, Maryland
| | - Mateo Ziu
- Department of Neurosciences, INOVA Neuroscience and INOVA Schar Cancer Institute, Falls Church, Virginia
| | - Paul D Brown
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota
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24
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Rogers SJ, Lomax N, Alonso S, Lazeroms T, Riesterer O. Radiosurgery for Five to Fifteen Brain Metastases: A Single Centre Experience and a Review of the Literature. Front Oncol 2022; 12:866542. [PMID: 35619914 PMCID: PMC9128547 DOI: 10.3389/fonc.2022.866542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 03/07/2022] [Indexed: 11/13/2022] Open
Abstract
Purpose Stereotactic radiosurgery (SRS) is now mainstream for patients with 1-4 brain metastases however the management of patients with 5 or more brain metastases remains controversial. Our aim was to evaluate the clinical outcomes of patients with 5 or more brain metastases and to compare with published series as a benchmarking exercise. Methods Patients with 5 or more brain metastases treated with a single isocentre dynamic conformal arc technique on a radiosurgery linac were identified from the institutional database. Endpoints were local control, distant brain failure, leptomeningeal disease and overall survival. Dosimetric data were extracted from the radiosurgery plans. Series reporting outcomes following SRS for multiple brain metastases were identified by a literature search. Results 36 patients, of whom 35 could be evaluated, received SRS for 5 or more brain metastases between February 2015 and October 2021. 25 patients had 5-9 brain metastases (group 1) and 10 patients had 10-15 brain metastases (group 2). The mean number of brain metastases in group 1 was 6.3 (5-9) and 12.3 (10-15) in group 2. The median cumulative irradiated volume was 4.6 cm3 (1.25-11.01) in group 1 and 7.2 cm3 (2.6-11.1) in group 2. Median follow-up was 12 months. At last follow-up, local control rates per BM were 100% and 99.8% as compared with a median of 87% at 1 year in published series. Distant brain failure was 36% and 50% at a median interval of 5.2 months and 7.4 months after SRS in groups 1 and 2 respectively and brain metastasis velocity at 1 year was similar in both groups (9.7 and 11). 8/25 patients received further SRS and 7/35 patients received whole brain radiotherapy. Median overall survival was 10 months in group 1 and 15.7 months in group 2, which compares well with the 7.5 months derived from the literature. There was one neurological death in group 2, leptomeningeal disease was rare (2/35) and there were no cases of radionecrosis. Conclusion With careful patient selection, overall survival following SRS for multiple brain metastases is determined by the course of the extracranial disease. SRS is an efficacious and safe modality that can achieve intracranial disease control and should be offered to patients with 5 or more brain metastases and a constellation of good prognostic factors.
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Affiliation(s)
- Susanne J Rogers
- Radiation Oncology Center KSA-KSB, Canton Hospital Aarau, Aarau, Switzerland
| | - Nicoletta Lomax
- Radiation Oncology Center KSA-KSB, Canton Hospital Aarau, Aarau, Switzerland
| | - Sara Alonso
- Radiation Oncology Center KSA-KSB, Canton Hospital Aarau, Aarau, Switzerland
| | - Tessa Lazeroms
- Radiation Oncology Center KSA-KSB, Canton Hospital Aarau, Aarau, Switzerland
| | - Oliver Riesterer
- Radiation Oncology Center KSA-KSB, Canton Hospital Aarau, Aarau, Switzerland
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Local recurrence and cerebral progression-free survival after multiple sessions of stereotactic radiotherapy of brain metastases: a retrospective study of 184 patients : Statistical analysis. Strahlenther Onkol 2022; 198:527-536. [PMID: 35294567 DOI: 10.1007/s00066-022-01913-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 02/16/2022] [Indexed: 12/24/2022]
Abstract
PURPOSE Forty to sixty percent of patients treated with focal therapy for brain metastasis (BM) will have distant brain recurrence (C-LR), while 10-25% of patients will have local recurrence (LR) within 1 year after stereotactic radiotherapy (SRT). The purpose of this study was to analyze cerebral progression-free survival (C-PFS) and LR of BM among patients treated with repeated courses of radiotherapy in stereotactic conditions. METHODS AND MATERIALS We retrospectively reviewed data from 184 patients treated for 915 BMs with at least two courses of SRT without previous WBRT. Initial patient characteristics, patient characteristics at each SRT, brain metastasis velocity (BMV), delay between SRT, MRI response, LR and C‑LR were analyzed. RESULTS In all, 123 (66.9%), 39 (21.2%), and 22 (12%) patients received 2, 3, or 4 or more SRT sessions, respectively. Ninety percent of BMs were irradiated without prior surgery, and 10% were irradiated after neurosurgery. The MRI response at 3, 6, 12 and 24 months after SRT was stable regardless of the SRT session. At 6, 12 and 24 months, the rates of local control were 96.3, 90.1, and 85.8%, respectively. In multivariate analysis, P‑LR was statistically associated with kidney (HR = 0.08) and lung cancer (HR = 0.3), ECOG 1 (HR = 0.5), and high BMV grade (HR = 5.6). The median C‑PFS after SRT1, SRT2, SRT3 and SRT4 and more were 6.6, 5.1, 6.7, and 7.7 months, respectively. C‑PFS after SRT2 was significantly longer among patients in good general condition (HR = 0.39), patients with high KPS (HR = 0.91), patients with no extracerebral progression (HR = 1.8), and patients with a low BMV grade (low vs. high: HR = 3.8). CONCLUSION Objective MRI response rate after repeated SRT is stable from session to session. Patients who survive longer, such as patients with breast cancer or with low BMV grade, are at risk of local reirradiation. C‑PFS after SRT2 is better in patients in good general condition, without extracerebral progression and with low BMV grade.
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Tsui DCC, Camidge DR, Rusthoven CG. Managing Central Nervous System Spread of Lung Cancer: The State of the Art. J Clin Oncol 2022; 40:642-660. [PMID: 34985937 DOI: 10.1200/jco.21.01715] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Brain metastases (BrM) are common in both non-small-cell lung cancer and small-cell lung cancer. Substantial progress in BrM management has occurred in the past decade related to advances in both radiation and medical oncology. Recent and ongoing radiation trials have focused on increasing the candidacy for focal therapy of BrM with stereotactic radiosurgery; reducing the toxicity and improving patient selection for whole brain radiotherapy; and, in small-cell lung cancer, evaluating brain magnetic resonance imaging surveillance without prophylactic cranial irradiation, hippocampal avoidance in prophylactic cranial irradiation and whole brain radiotherapy, and the role of upfront stereotactic radiosurgery for BrM. In medical oncology, the development of multiple tyrosine kinase inhibitors with encouraging CNS activity and emerging data on the CNS activity of immune checkpoint inhibitors in some patients have opened the door to novel systemic and multidisciplinary treatment strategies for the management of BrM. Future research will focus on more robust characterizations of the CNS activity of targeted therapy and immunotherapies, as well as optimal integration and patient selection for multidisciplinary strategies involving CNS-active drugs, radiation therapy, and CNS surveillance.
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Affiliation(s)
- David Chun Cheong Tsui
- Division of Medical Oncology, University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, CO
| | - D Ross Camidge
- Division of Medical Oncology, University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, CO
| | - Chad G Rusthoven
- Department of Radiation Oncology, University of Colorado Cancer Center, Anschutz Medical Campus, Aurora, CO
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27
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Ganz JC. Cerebral metastases. PROGRESS IN BRAIN RESEARCH 2022; 268:229-258. [PMID: 35074082 DOI: 10.1016/bs.pbr.2021.10.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Brain metastases are common and deadly. Over the last 25 years GKNS has been established as an invaluable treatment. It may be used as a primary treatment or after either surgery or WBRT. Patients are assessed using one of a number of available scales. GKNS may be repeated for new metastases and for unresponsive tumors. Prescription doses are usually between 18 and 20Gy. The use of advanced MR techniques to highlight sensitive structures like the hippocampi have extended the efficacy of the treatment. More recently GKNS has been used with different target therapies with improved results. More recently frameless treatments have become more popular in this group of very sick patients. GKNS controls tumors in between 80% and over 95% of cases and may even be used for brainstem tumors.
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Affiliation(s)
- Jeremy C Ganz
- Department of Neurosurgery, Haukeland University Hospital, Bergen, Norway.
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28
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Narita Y, Sato S, Kayama T. Review of the diagnosis and treatment of brain metastases. Jpn J Clin Oncol 2022; 52:3-7. [PMID: 34865060 DOI: 10.1093/jjco/hyab182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 11/10/2021] [Indexed: 11/14/2022] Open
Abstract
Brain metastases (BM) occur in at least 10% of cancer patients, and are one of the main causes of cancer-related deaths and significant deterioration in the quality of life of cancer patients due to the neurological deterioration caused by brain compression and tumor invasion. Whole-brain irradiation has been emphasized as the standard treatment for BM. However, recent clinical trials including the JLGK0901 and JCOG0504 trials conducted in Japan have established therapeutic evidence for the use of stereotactic radiosurgery with regular follow-up with magnetic resonance imaging for BM. In addition to surgery and stereotactic radiotherapy, advances in drug therapy for BM, such as tyrosine kinase inhibitors and immune checkpoint inhibitors, are expected. This review describes the history and the recent evidence of the diagnosis and treatment of BM.
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Affiliation(s)
- Yoshitaka Narita
- Department of Neurosurgery and Neuro-Oncology, National Cancer Center Hospital, Tokyo
| | | | - Takamasa Kayama
- National Cancer Center, Tokyo.,Yamagata University, Yamagata, Japan
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Ramos A, Giantini-Larsen A, Pannullo SC, Brandmaier A, Knisely J, Magge R, Wilcox JA, Pavlick AC, Ma B, Pisapia D, Ashamalla H, Ramakrishna R. A multidisciplinary management algorithm for brain metastases. Neurooncol Adv 2022; 4:vdac176. [PMID: 36532509 PMCID: PMC9749403 DOI: 10.1093/noajnl/vdac176] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023] Open
Abstract
The incidence of brain metastases continues to present a management issue despite the advent of improved systemic control and overall survival. While the management of oligometastatic disease (ie, 1-4 brain metastases) with surgery and radiation has become fairly straightforward in the era of radiosurgery, the management of patients with multiple metastatic brain lesions can be challenging. Here we review the available evidence and provide a multidisciplinary management algorithm for brain metastases that incorporates the latest advances in surgery, radiation therapy, and systemic therapy while taking into account the latest in precision medicine-guided therapies. In particular, we argue that whole-brain radiation therapy can likely be omitted in most patients as up-front therapy.
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Affiliation(s)
- Alexander Ramos
- Department of Neurological Surgery, Weill Cornell Medicine, New York Presbyterian Hospital, New York, New York, USA
| | - Alexandra Giantini-Larsen
- Department of Neurological Surgery, Weill Cornell Medicine, New York Presbyterian Hospital, New York, New York, USA
| | - Susan C Pannullo
- Department of Neurological Surgery, Weill Cornell Medicine, New York Presbyterian Hospital, New York, New York, USA
| | - Andrew Brandmaier
- Department of Radiation Oncology, Weill Cornell Medicine, New York Presbyterian Hospital, New York, New York, USA
| | - Jonathan Knisely
- Department of Radiation Oncology, Weill Cornell Medicine, New York Presbyterian Hospital, New York, New York, USA
| | - Rajiv Magge
- Department of Neurology, Weill Cornell Medicine, New York Presbyterian Hospital, New York, New York, USA
| | - Jessica A Wilcox
- Department of Neurology, Weill Cornell Medicine, New York Presbyterian Hospital, New York, New York, USA
- Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Anna C Pavlick
- Department of Oncology, Weill Cornell Medicine, New York Presbyterian, New York, New York, USA
| | - Barbara Ma
- Department of Oncology, Weill Cornell Medicine, New York Presbyterian, New York, New York, USA
| | - David Pisapia
- Department of Pathology, Weill Cornell Medicine, New York Presbyterian, New York, New York, USA
| | - Hani Ashamalla
- Department of Neurology, Weill Cornell Medicine, New York Presbyterian Hospital, New York, New York, USA
| | - Rohan Ramakrishna
- Department of Neurological Surgery, Weill Cornell Medicine, New York Presbyterian Hospital, New York, New York, USA
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Latorzeff I, Antoni D, Josset S, Noël G, Tallet-Richard A. Radiation therapy for brain metastases. Cancer Radiother 2021; 26:129-136. [PMID: 34955413 DOI: 10.1016/j.canrad.2021.11.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We present the update of the recommendations of the French society for radiation oncology on radiation therapy for the management of brain metastases. It has evolved in recent years and has become more complex. As the life expectancy of patients has increased and retreatments have become more frequent, side effects must be absolutely avoided. Cognitive side effects must in particular be prevented, and the most modern radiation therapy techniques must be used systematically. New prognostic classifications specific to the primary tumour of patients, advances in imaging and radiation therapy technology and new systemic therapeutic strategies, are making treatment more relevant. Stereotactic radiation therapy has supplanted whole-brain radiation therapy both for patients with metastases in place and for those who underwent surgery. Hippocampus protection is possible with intensity-modulated radiation therapy. Its relevance in terms of cognitive functioning should be more clearly demonstrated but the requirement for its use is constantly increasing. New targeted cancer treatment therapies based on the nature of the primitive have complicated the notion of the place and timing of radiation therapy and the discussion during multidisciplinary care meeting to indicate the best sequences is becoming a challenging issue as data on the interaction between treatments remain to be documented. In the end, although aimed at patients in the palliative phase, the management of brain metastases is one of the locations for which technical reflection is the most challenging and treatment become increasingly personalized.
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Affiliation(s)
- I Latorzeff
- Service de radiothérapie, groupe Oncorad Garonne, clinique Pasteur, l'« Atrium », 1, rue de la Petite-Vitesse, 31300 Toulouse, France; Centre régional de radiochirurgie stéréotaxique, CHU Rangueil, avenue Jean-Poulhès, 31052 Toulouse cedex, France.
| | - D Antoni
- Département universitaire de radiothérapie, centre Paul-Strauss, Unicancer, 3, rue de la Porte-de-l'Hôpital, 67065 Strasbourg cedex, France
| | - S Josset
- Service de physique médicale, institut de cancérologie de l'Ouest, Unicancer, 44805 Saint-Herblain, France
| | - G Noël
- Département universitaire de radiothérapie, centre Paul-Strauss, Unicancer, 3, rue de la Porte-de-l'Hôpital, 67065 Strasbourg cedex, France
| | - A Tallet-Richard
- Département universitaire de radiothérapie, institut Paoli-Calmettes, Unicancer, 232, boulevard de Sainte-Marguerite, 13273 Marseille, France
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Abstract
As novel systemic therapies yield improved survival in metastatic cancer patients, the frequency of brain metastases continues to increase. Over the years, management strategies have continued to evolve. Historically, stereotactic radiosurgery has been used as a boost to whole-brain radiotherapy (WBRT) but is increasingly being used as a replacement for WBRT. Given its capacity to treat both macro- and micro-metastases in the brain, WBRT has been an important management strategy for years, and recent research has identified technologic and pharmacologic approaches to delivering WBRT more safely. In this review, we outline the current landscape of radiotherapeutic treatment options and discuss approaches to integrating radiotherapy advances in the contemporary management of brain metastases.
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Affiliation(s)
- Vinai Gondi
- Northwestern Medicine Cancer Center Warrenville and Proton Center, Warrenville, Illinois, USA
| | | | - Helen A Shih
- Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts, USA
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Skourou C, Hickey D, Rock L, Houston P, Sturt P, O' Sullivan S, Faul C, Paddick I. Treatment of multiple intracranial metastases in radiation oncology: a contemporary review of available technologies. BJR Open 2021; 3:20210035. [PMID: 34877458 PMCID: PMC8611687 DOI: 10.1259/bjro.20210035] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 08/06/2021] [Indexed: 12/31/2022] Open
Abstract
The use of stereotactic radiosurgery to treat multiple intracranial metastases, frequently concurrently, has become increasingly common. The ability to accurately and safely deliver stereotactic radiosurgery treatment to multiple intracranial metastases (MIM) relies heavily on the technology available for targeting, planning, and delivering the dose. A number of platforms are currently marketed for such applications, each with intrinsic capabilities and limitations. These can be broadly categorised as cobalt-based, linac-based, and robotic. This review describes the most common representative technologies for each type along with their advantages and current limitations as they pertain to the treatment of multiple intracranial metastases. Each technology was used to plan five clinical cases selected to represent the clinical breadth of multiple metastases cases. The reviewers discuss the different strengths and limitations attributed to each technology in the case of MIM as well as the impact of disease-specific characteristics (such as total number of intracranial metastases, their size and relative proximity) on plan and treatment quality.
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Affiliation(s)
| | | | | | | | | | | | - Clare Faul
- St. Luke’s Radiation Oncology Network, Dublin, Ireland
| | - Ian Paddick
- Queen Square Radiosurgery Centre, National Hospital for Neurology and Neurosurgery, London, UK
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Abstract
OPINION STATEMENT Oligometastatic breast cancer, typically defined as the presence of 1-5 metastases, represents an intermediate state between locally advanced and widely metastatic disease. Emerging research suggests that oligometastatic cancer has a unique molecular signature distinct from widely metastatic disease, and that it carries a superior prognosis. Owing to its more limited capacity for widespread progression, oligometastatic disease may benefit from aggressive ablative therapy to known metastases. Options for ablation include surgical excision, radiofrequency ablation, and hypofractionated image-guided radiotherapy (HIGRT). The phase II SABR-COMET trial, which enrolled patients with oligometastatic disease of multiple histologies and randomized them to HIGRT vs. standard of care, found a notable survival advantage in favor of HIGRT. Other data suggest that HIGRT may synergize with immunotherapy by releasing powerful cytokines that increase anti-tumor immune surveillance and by recruiting tumor infiltrating lymphocytes, helping to overcome resistance to therapy. There are many ongoing trials exploring the role of ablative therapy, most notably HIGRT, with or without immunotherapy, for the treatment of oligometastatic breast cancer.We believe that patients with oligometastatic breast cancer should be offered enrollment on prospective clinical trials when possible. Outside the context of a clinical trial, we recommend that select patients with oligometastatic breast cancer be offered treatment with a curative approach, including ablative therapy to all sites of disease if it can be safely accomplished. Currently, selection criteria to consider for ablative therapy include longer disease-free interval from diagnosis to metastasis (>2 years), fewer metastases, and fewer involved organs. Undoubtedly, new data will refine or even upend our understanding of the definition and optimal management of oligometastatic disease.
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Milano MT, Chiang VLS, Soltys SG, Wang TJC, Lo SS, Brackett A, Nagpal S, Chao S, Garg AK, Jabbari S, Halasz LM, Gephart MH, Knisely JPS, Sahgal A, Chang EL. Executive summary from American Radium Society's appropriate use criteria on neurocognition after stereotactic radiosurgery for multiple brain metastases. Neuro Oncol 2021; 22:1728-1741. [PMID: 32780818 DOI: 10.1093/neuonc/noaa192] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND The American Radium Society (ARS) Appropriate Use Criteria brain malignancies panel systematically reviewed (PRISMA [Preferred Reporting Items for Systematic Reviews and Meta-Analyses]) published literature on neurocognitive outcomes after stereotactic radiosurgery (SRS) for patients with multiple brain metastases (BM) to generate consensus guidelines. METHODS The panel developed 4 key questions (KQs) to guide systematic review. From 11 614 original articles, 12 were selected. The panel developed model cases addressing KQs and potentially controversial scenarios not addressed in the systematic review (which might inform future ARS projects). Based upon quality of evidence, the panel confidentially voted on treatment options using a 9-point scale of appropriateness. RESULTS The panel agreed that SRS alone is usually appropriate for those with good performance status and 2-10 asymptomatic BM, and usually not appropriate for >20 BM. For 11-15 and 16-20 BM there was (between 2 case variants) agreement that SRS alone may be appropriate or disagreement on the appropriateness of SRS alone. There was no scenario (among 6 case variants) in which conventional whole-brain radiotherapy (WBRT) was considered usually appropriate by most panelists. There were several areas of disagreement, including: hippocampal sparing WBRT for 2-4 asymptomatic BM; WBRT for resected BM amenable to SRS; fractionated versus single-fraction SRS for resected BM, larger targets, and/or brainstem metastases; optimal treatment (WBRT, hippocampal sparing WBRT, SRS alone to all or select lesions) for patients with progressive extracranial disease, poor performance status, and no systemic options. CONCLUSIONS For patients with 2-10 BM, SRS alone is an appropriate treatment option for well-selected patients with good performance status. Future study is needed for those scenarios in which there was disagreement among panelists.
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Affiliation(s)
- Michael T Milano
- Department of Radiation Oncology, University of Rochester, Rochester, NY
| | - Veronica L S Chiang
- Department of Neurosurgery, Yale School of Medicine, Yale University, New Haven, CT
| | - Scott G Soltys
- Department of Radiation Oncology, Stanford University Medical Center, Stanford, CT
| | - Tony J C Wang
- Department of Radiation Oncology, Columbia University Irving Medical Center, New York, NY
| | - Simon S Lo
- Department of Radiation Oncology, University of Washington, Seattle, WA
| | - Alexandria Brackett
- Cushing/Whitney Medical Library, Yale School of Medicine, Yale University, New Haven, CT
| | - Seema Nagpal
- Department of Neurology, Stanford University School of Medicine, Stanford, CT
| | - Samuel Chao
- Department of Radiation Oncology, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH
| | - Amit K Garg
- Department of Radiation Oncology, University of Texas MD Anderson Cancer Center, Albuquerque, NM
| | - Siavash Jabbari
- Laurel Amtower Cancer Institute and Neuro-oncology Center, Sharp Healthcare, San Diego, CA
| | - Lia M Halasz
- Department of Radiation Oncology, University of Washington, Seattle, WA
| | | | - Jonathan P S Knisely
- Department of Radiation Oncology, Weill Cornell Medicine, Cornell University, New York, NY
| | - Arjun Sahgal
- Department of Radiation Oncology, Odette Cancer Centre, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON
| | - Eric L Chang
- Department of Radiation Oncology, Keck School of Medicine of University of Southern California, Los Angeles, CA
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35
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Chen GY, Cheng JCH, Chen YF, Yang JCH, Hsu FM. Circulating Exosomal Integrin β3 Is Associated with Intracranial Failure and Survival in Lung Cancer Patients Receiving Cranial Irradiation for Brain Metastases: A Prospective Observational Study. Cancers (Basel) 2021; 13:380. [PMID: 33498505 PMCID: PMC7864205 DOI: 10.3390/cancers13030380] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 01/18/2021] [Indexed: 12/28/2022] Open
Abstract
Brain metastasis (BM) is a major problem in patients with cancer. Exosomes or extracellular vesicles (EV) and integrins contribute to the development of BM, and exosomal integrins have been shown to determine organotropic metastasis. We hypothesized that circulating EV integrins are able to influence the failure patterns and outcomes in patients treated for BM. We prospectively enrolled 75 lung cancer patients with BM who received whole brain radiotherapy (WBRT). We isolated and quantified their circulating EV integrins, and analyzed the association of EV integrins with clinical factors, survival, and intracranial/extracranial failure. Circulating EV integrin levels were independent of age, sex, histology, number of BM, or graded prognostic assessment score. Age, histology, and graded prognostic assessment score correlated with survival. Patients with higher levels of circulating EV integrin β3 had worse overall survival (hazard ratio: 1.15 per 1 ng/mL increase; p = 0.04) following WBRT. Multivariate regression analysis also showed a higher cumulative incidence of intracranial failure (subdistribution hazard ratio: 1.216 per 1 ng/mL increase; p = 0.037). In conclusion, circulating EV integrin β3 levels correlated with survival and intracranial control of patients with lung cancer after WBRT for BM. This supports that EV integrin β3 mediates a brain-tropic metastasis pattern, and may serve as a novel prognostic biomarker for BM.
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Affiliation(s)
- Guann-Yiing Chen
- Division of Radiation Oncology, Department of Oncology, National Taiwan University Hospital, Taipei 100, Taiwan; (G.-Y.C.); (J.C.-H.C.)
- Department of Medical Imaging, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu 300, Taiwan;
| | - Jason Chia-Hsien Cheng
- Division of Radiation Oncology, Department of Oncology, National Taiwan University Hospital, Taipei 100, Taiwan; (G.-Y.C.); (J.C.-H.C.)
- Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei 100, Taiwan;
| | - Ya-Fang Chen
- Department of Medical Imaging, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu 300, Taiwan;
| | - James Chih-Hsin Yang
- Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei 100, Taiwan;
- Division of Medical Oncology, Department of Oncology, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Feng-Ming Hsu
- Division of Radiation Oncology, Department of Oncology, National Taiwan University Hospital, Taipei 100, Taiwan; (G.-Y.C.); (J.C.-H.C.)
- Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei 100, Taiwan;
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Gondi V, Mehta MP. Radiotherapy innovations to optimize brain metastases control. Neuro Oncol 2020; 22:1715-1717. [PMID: 33089325 PMCID: PMC7746921 DOI: 10.1093/neuonc/noaa244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2024] Open
Affiliation(s)
- Vinai Gondi
- Northwestern Medicine Cancer Center Warrenville, Northwestern Medicine Proton Center, Warrenville, Illinois
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37
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Nabors LB, Portnow J, Ahluwalia M, Baehring J, Brem H, Brem S, Butowski N, Campian JL, Clark SW, Fabiano AJ, Forsyth P, Hattangadi-Gluth J, Holdhoff M, Horbinski C, Junck L, Kaley T, Kumthekar P, Loeffler JS, Mrugala MM, Nagpal S, Pandey M, Parney I, Peters K, Puduvalli VK, Robins I, Rockhill J, Rusthoven C, Shonka N, Shrieve DC, Swinnen LJ, Weiss S, Wen PY, Willmarth NE, Bergman MA, Darlow SD. Central Nervous System Cancers, Version 3.2020, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw 2020; 18:1537-1570. [PMID: 33152694 DOI: 10.6004/jnccn.2020.0052] [Citation(s) in RCA: 230] [Impact Index Per Article: 57.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The NCCN Guidelines for Central Nervous System (CNS) Cancers focus on management of adult CNS cancers ranging from noninvasive and surgically curable pilocytic astrocytomas to metastatic brain disease. The involvement of an interdisciplinary team, including neurosurgeons, radiation therapists, oncologists, neurologists, and neuroradiologists, is a key factor in the appropriate management of CNS cancers. Integrated histopathologic and molecular characterization of brain tumors such as gliomas should be standard practice. This article describes NCCN Guidelines recommendations for WHO grade I, II, III, and IV gliomas. Treatment of brain metastases, the most common intracranial tumors in adults, is also described.
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Affiliation(s)
| | | | - Manmeet Ahluwalia
- 3Case Comprehensive Cancer Center/University Hospitals Seidman Cancer Center and Cleveland Clinic Taussig Cancer Institute
| | | | - Henry Brem
- 5The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
| | - Steven Brem
- 6Abramson Cancer Center at the University of Pennsylvania
| | | | - Jian L Campian
- 8Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine
| | | | | | | | | | | | - Craig Horbinski
- 13Robert H. Lurie Comprehensive Cancer Center of Northwestern University
| | - Larry Junck
- 14University of Michigan Rogel Cancer Center
| | | | - Priya Kumthekar
- 13Robert H. Lurie Comprehensive Cancer Center of Northwestern University
| | | | | | | | - Manjari Pandey
- 19St. Jude Children's Research Hospital/The University of Tennessee Health Science Center
| | | | | | - Vinay K Puduvalli
- 21The Ohio State University Comprehensive Cancer Center - James Cancer Hospital and Solove Research Institute
| | - Ian Robins
- 22University of Wisconsin Carbone Cancer Center
| | - Jason Rockhill
- 23Fred Hutchinson Cancer Research Center/Seattle Cancer Care Alliance
| | | | | | | | - Lode J Swinnen
- 5The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
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Tai P, Joseph K, Assouline A, Souied O, Leong N, Ferguson M, Yu E. Metastatic Brain Tumors: To Treat or Not to Treat, and with What? CURRENT CANCER THERAPY REVIEWS 2020. [DOI: 10.2174/1573394715666181211150849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A long time ago, metastatic brain tumors were often not treated and patients were only
given palliative care. In the past decade, researchers selected those with single or 1-3 metastases
for more aggressive treatments like surgical resection, and/or stereotactic radiosurgery (SRS),
since the addition of whole brain radiotherapy (WBRT) did not increase overall survival for the
vast majority of patients. Different studies demonstrated significantly less cognitive deterioration
in 0-52% patients after SRS versus 85-94% after WBRT at 6 months. WBRT is the treatment of
choice for leptomeningeal metastases. WBRT can lower the risk for further brain metastases, particularly
in tumors of fast brain metastasis velocity, i.e. quickly relapsing, often seen in melanoma
or small cell lung carcinoma. Important relevant literature is quoted to clarify the clinical controversies
at point of care in this review. Synchronous primary lung cancer and brain metastasis
represent a special situation whereby the oncologist should exercise discretion for curative treatments,
with reported 5-year survival rates of 7.6%-34.6%. Recent research suggests that those
patients with Karnofsky performance status less than 70, not capable of caring for themselves, are
less likely to derive benefit from aggressive treatments. Among patients with brain metastases
from non-small cell lung cancer (NSCLC), the QUARTZ trial (Quality of Life after Radiotherapy
for Brain Metastases) helps the oncologist to decide when not to treat, depending on the performance
status and other factors.
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Affiliation(s)
- Patricia Tai
- Allan Blair Cancer Center, University of Saskatchewan, Saskatoon, SK, Canada
| | - Kurian Joseph
- Cross Cancer Center, University of Alberta, Edmonton, AB, Canada
| | - Avi Assouline
- Centre Clinique de la Porte de Saint-Cloud, 30 Rue de Paris, 92100 Boulogne- Billancourt, France
| | - Osama Souied
- Allan Blair Cancer Center, University of Saskatchewan, Saskatoon, SK, Canada
| | - Nelson Leong
- Allan Blair Cancer Center, University of Saskatchewan, Saskatoon, SK, Canada
| | - Michelle Ferguson
- Allan Blair Cancer Center, University of Saskatchewan, Saskatoon, SK, Canada
| | - Edward Yu
- London Regional Cancer Program, Western University, London, ON, Canada
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Shi S, Sandhu N, Jin M, Wang E, Liu E, Jaoude JA, Schofield K, Zhang C, Gibbs IC, Hancock SL, Chang SD, Li G, Gephart MH, Pollom EL, Soltys SG. Stereotactic Radiosurgery for Resected Brain Metastases: Does the Surgical Corridor Need to be Targeted? Pract Radiat Oncol 2020; 10:e363-e371. [DOI: 10.1016/j.prro.2020.04.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/28/2020] [Accepted: 04/29/2020] [Indexed: 01/11/2023]
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40
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Dhermain F, Noël G, Antoni D, Tallet A. Role of radiation therapy in brain metastases management. Cancer Radiother 2020; 24:463-469. [PMID: 32828669 DOI: 10.1016/j.canrad.2020.06.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/20/2020] [Accepted: 06/22/2020] [Indexed: 01/26/2023]
Abstract
The challenge of the management of brain metastases has not finished yet. Although new diagnosis-specific prognostic assessment classifications and guidelines for patients with brain metastases help to guide treatment more appropriately, and even if the development of modern technologies in imaging and radiation treatment, as well as improved new systemic therapies, allow to reduce cognitive side effects and make retreatment or multiple and combined treatment possible, several questions remain unanswered. However, tailoring the treatment to the patient and his expectations is still essential; in other words, patients with a poor prognosis should not be over-treated, and those with a favorable prognosis may not be subtracted to the best treatment option. Some ongoing trials with appropriate endpoints could better inform our choices. Finally, a case-by-case inter-disciplinary discussion remains essential.
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Affiliation(s)
- F Dhermain
- Département de radiothérapie-oncologique, hôpital universitaire Gustave-Roussy, université Paris Saclay, 114, rue Édouard-Vaillant, 94805 Villejuif, France.
| | - G Noël
- Département de radiothérapie-oncologique, centre Paul-Strauss, 3, rue de la-Porte-de-l'Hôpital, 67065 Strasbourg, France; Université de Strasbourg, CNRS, IHPC UMR 7178, centre Paul-Strauss, 67000 Strasbourg, France
| | - D Antoni
- Département de radiothérapie-oncologique, centre Paul-Strauss, 3, rue de la-Porte-de-l'Hôpital, 67065 Strasbourg, France; Université de Strasbourg, CNRS, IHPC UMR 7178, centre Paul-Strauss, 67000 Strasbourg, France
| | - A Tallet
- Département de radiothérapie-oncologique, institut Paoli-Calmettes, 232, boulevard Sainte-Marguerite, 13273 Marseille 09, France; CRCM, institut Paoli-Calmettes, 232, boulevard Sainte-Marguerite, 13273 Marseille 09, France
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41
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Jiang X. Identification of Patients with Brain Metastases with Favorable Prognosis After Local and Distant Recurrence Following Stereotactic Radiosurgery. Cancer Manag Res 2020; 12:4139-4149. [PMID: 32581585 PMCID: PMC7276324 DOI: 10.2147/cmar.s251285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 05/13/2020] [Indexed: 12/25/2022] Open
Abstract
Purpose This retrospective study aimed to determine the prognostic factors associated with overall survival after intracranial local and distant recurrence in patients undergoing stereotactic radiosurgery (SRS) for brain metastases. Patients and Methods Clinical characteristics and therapeutic parameters of 251 patients, who were treated with initial stereotactic radiosurgery for brain metastases and later experienced intracranial recurrence, were analyzed to identify prognostic factors of post-recurrence overall survival (PROS). A Cox proportional hazard model was applied for univariate and multivariate analyses. Results Among the 251 patients, the median post-recurrence overall survival was 8 months, and the six-month PROS rate was 60.2%. The interval from initial radiosurgery treatment to intracranial recurrence (hazard ratio [HR]:0.970), the number of brain recurrent tumors (HR:1.245), the number of extracranial metastatic organs (HR:1.183), recursive partition analysis (RPA) (HR:1.778), and Eastern Cooperative Oncology Group Performance Status (ECOG PS) (HR:2.442) were identified as independent prognostic factors. The patients who received local treatment for solitary brain recurrence achieved better survival (the median survival time after recurrence was 22 months). In patients without extracranial metastasis, the median post-recurrence overall survival of the local treatment group was longer than that in the whole brain radiation therapy (WBRT) group (P<0.001) and the systemic therapy group (P<0.001). Conclusion A shorter interval from initial stereotactic radiosurgery to recurrence, an increasing number of brain recurrences and extracranial metastatic organs, and poor RPA and ECOG PS values are associated with poor post-recurrence prognosis. When the number of brain recurrent tumors and extracranial metastatic organs was limited, local treatment including stereotactic radiosurgery, surgery or intensity-modulated radiation therapy (IMRT) improved the post-recurrence overall survival.
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Affiliation(s)
- Xuechao Jiang
- Department of Radiation Oncology, Binzhou Center Hospital Affiliated to Binzhou Medical College, Binzhou, Shandong, People's Republic of China
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Eastman BM, Venur VA, Lo SS, Graber JJ. Stereotactic radiosurgery in the treatment of adults with metastatic brain tumors. J Neurosurg Sci 2020; 64:272-286. [PMID: 32270945 DOI: 10.23736/s0390-5616.20.04952-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Brain metastasis is the most common type of intracranial tumor affecting a significant proportion of advanced cancer patients. In recent years, stereotactic radiosurgery (SRS) has become commonly utilized. It has contributed significantly to decreased toxicity, prolonged quality of life and general improvement in outcomes of patients with brain metastases. Frequent imaging and advanced treatment techniques have allowed for the treatment of more patients with large and numerous metastases extending their overall survival. The addition of targeted therapy and immunotherapy to SRS has introduced novel treatment paradigms and has further improved our ability to effectively treat brain lesions. In this review, we examined in detail the available evidence for the use of SRS alone or in combination with surgery and systemic therapies. Given our developing understanding of the importance of primary tumor histology, the use of different treatment strategies for different metastasis is evolving. Combining SRS with immunotherapy and targeted therapy in breast cancer, lung cancer and melanoma as well as the use of preoperative SRS have shown significant promise in recent years and are investigated in multiple ongoing prospective trials. Further research is needed to guide the optimal sequence of therapies and to identify specific patient subgroups that may benefit the most from aggressive, combined treatment approaches.
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Affiliation(s)
- Boryana M Eastman
- Department of Radiation Oncology, University of Washington School of Medicine, Seattle, WA, USA
| | - Vyshak A Venur
- Division of Medical Oncology, University of Washington School of Medicine, Seattle, WA, USA
| | - Simon S Lo
- Department of Radiation Oncology, University of Washington School of Medicine, Seattle, WA, USA
| | - Jerome J Graber
- Department of Neurology and Neurosurgery, Alvord Brain Tumor Center, University of Washington School of Medicine, Seattle, WA, USA -
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El Shafie RA, Celik A, Weber D, Schmitt D, Lang K, König L, Bernhardt D, Höne S, Forster T, von Nettelbladt B, Adeberg S, Debus J, Rieken S. A matched-pair analysis comparing stereotactic radiosurgery with whole-brain radiotherapy for patients with multiple brain metastases. J Neurooncol 2020; 147:607-618. [DOI: 10.1007/s11060-020-03447-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 02/28/2020] [Indexed: 11/29/2022]
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Hughes RT, McTyre ER, LeCompte M, Cramer CK, Munley MT, Laxton AW, Tatter SB, Ruiz J, Pasche B, Watabe K, Chan MD. Clinical Outcomes of Upfront Stereotactic Radiosurgery Alone for Patients With 5 to 15 Brain Metastases. Neurosurgery 2020; 85:257-263. [PMID: 29982831 DOI: 10.1093/neuros/nyy276] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 05/30/2018] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND The role of primary stereotactic radiosurgery (SRS) for patients with >4 brain metastases (BM) remains controversial. OBJECTIVE To compare the outcomes of patients treated with upfront SRS alone for 1, 2 to 4, and 5 to 15 BM and assess for predictors of clinical outcomes in the 5 to 15 BM group. METHODS A total of 478 patients treated with upfront SRS were stratified by number of lesions: 220 had 1 BM, 190 had 2 to 4 BM, and 68 patients had 5 to 15 BM. Overall survival and whole brain radiotherapy-free survival were estimated using the Kaplan-Meier method. The cumulative incidences of local failure and distant brain failure (DBF) were estimated using competing risks methodology. Clinicopathologic and dosimetric parameters were evaluated as predictors of survival and DBF in patients with 5 to 15 BM using Cox proportional hazards. RESULTS Median overall survival was 8.0, 6.3, and 4.7 mo for patients with 1, 2 to 4, and 5 to 15 BM, respectively (P = .14). One-year DBF was 27%, 44%, and 40%, respectively (P = .01). Salvage SRS and whole brain radiotherapy rates did not differ. Progressive extracranial disease and gastrointestinal primary were associated with poor survival while RCC primary was associated with increased risk of DBF. No evaluated dose-volume parameters predicted for death, neurologic death or toxicity. CONCLUSION SRS for 5 to 15 BM is well tolerated without evidence of an associated increase in toxicity, treatment failure, or salvage therapy. Further prospective, randomized studies are warranted to clarify the role of SRS for these patients.
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Affiliation(s)
- Ryan T Hughes
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston Salem, North Carolina
| | - Emory R McTyre
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston Salem, North Carolina
| | - Michael LeCompte
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston Salem, North Carolina
| | - Christina K Cramer
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston Salem, North Carolina
| | - Michael T Munley
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston Salem, North Carolina
| | - Adrian W Laxton
- Department of Neurosurgery, Wake Forest School of Medicine, Winston Salem, North Carolina
| | - Stephen B Tatter
- Department of Neurosurgery, Wake Forest School of Medicine, Winston Salem, North Carolina
| | - Jimmy Ruiz
- Department of Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston Salem, North Carolina
| | - Boris Pasche
- Department of Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston Salem, North Carolina.,Department of Cancer Biology, Wake Forest School of Medicine, Winston Salem, North Carolina
| | - Kounosuke Watabe
- Department of Cancer Biology, Wake Forest School of Medicine, Winston Salem, North Carolina
| | - Michael D Chan
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston Salem, North Carolina
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Abstract
Brain metastases are a very common manifestation of cancer that have historically been approached as a single disease entity given the uniform association with poor clinical outcomes. Fortunately, our understanding of the biology and molecular underpinnings of brain metastases has greatly improved, resulting in more sophisticated prognostic models and multiple patient-related and disease-specific treatment paradigms. In addition, the therapeutic armamentarium has expanded from whole-brain radiotherapy and surgery to include stereotactic radiosurgery, targeted therapies and immunotherapies, which are often used sequentially or in combination. Advances in neuroimaging have provided additional opportunities to accurately screen for intracranial disease at initial cancer diagnosis, target intracranial lesions with precision during treatment and help differentiate the effects of treatment from disease progression by incorporating functional imaging. Given the numerous available treatment options for patients with brain metastases, a multidisciplinary approach is strongly recommended to personalize the treatment of each patient in an effort to improve the therapeutic ratio. Given the ongoing controversies regarding the optimal sequencing of the available and expanding treatment options for patients with brain metastases, enrolment in clinical trials is essential to advance our understanding of this complex and common disease. In this Review, we describe the key features of diagnosis, risk stratification and modern paradigms in the treatment and management of patients with brain metastases and provide speculation on future research directions.
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Nicosia L, Figlia V, Mazzola R, Napoli G, Giaj-Levra N, Ricchetti F, Rigo M, Lunardi G, Tomasini D, Bonù ML, Corradini S, Ruggieri R, Alongi F. Repeated stereotactic radiosurgery (SRS) using a non-coplanar mono-isocenter (HyperArc™) technique versus upfront whole-brain radiotherapy (WBRT): a matched-pair analysis. Clin Exp Metastasis 2020; 37:77-83. [PMID: 31691873 DOI: 10.1007/s10585-019-10004-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 10/30/2019] [Indexed: 12/25/2022]
Abstract
Stereotactic radiosurgery (SRS) is an effective treatment option for multiple brain metastases (BMs). Modern mono-isocentric techniques allow the delivery of multiple stereotactic courses, in the event of intracranial failure. Nevertheless, limited data on effectiveness and toxicity have been reported in comparison to WBRT. Aim of this retrospective matched-pair analysis was to compare patients affected by limited BMs treated with multiple SRS courses using a mono-isocentric, non-coplanar technique (HyperArc™, Varian Medical System) to upfront WBRT. One hundred and two patients accounting for 677 BMs were treated with HyperArc™. In case of further intracranial progression, 44 treatment courses of 201 metastases in 19 patients, were treated by subsequent HyperArc™ courses. This population was matched with 38 patients treated with WBRT. The median BMs number was 4 (range 2-10) for HyperArc™ and 5 (range 2-10) for WBRT. Overall survival (OS) and toxicity were evaluated. The median follow-up was 9 months (range 3-40 months). The median OS was not reached (range 5-22 months) for HyperArc™ patients and 8 months (range 3-40 months) for WBRT patients, while the 1-year OS was 77% and 34.6% for HyperArc™ and WBRT, respectively (p = 0.001; HR 4.77, 95% CI 1.62-14.00). There was one case of radionecrosis. HyperArc™ is an effective and safe technique for the treatment of multiple BMs. In selected cases of intracranial oligorecurrence, further subsequent courses can be safely delivered with the same technical approach. Moreover, in patients with a limited number of BMs, SRS showed an improved survival outcome when compared to WBRT.
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Affiliation(s)
- Luca Nicosia
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, via Don Sempreboni 5, 37034, Negrar, Verona, Italy.
| | - Vanessa Figlia
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, via Don Sempreboni 5, 37034, Negrar, Verona, Italy
| | - Rosario Mazzola
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, via Don Sempreboni 5, 37034, Negrar, Verona, Italy
| | - Giuseppe Napoli
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, via Don Sempreboni 5, 37034, Negrar, Verona, Italy
| | - Niccolò Giaj-Levra
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, via Don Sempreboni 5, 37034, Negrar, Verona, Italy
| | - Francesco Ricchetti
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, via Don Sempreboni 5, 37034, Negrar, Verona, Italy
| | - Michele Rigo
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, via Don Sempreboni 5, 37034, Negrar, Verona, Italy
| | - Gianluigi Lunardi
- Medical Analysis Laboratory, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, Negrar, Italy
| | - Davide Tomasini
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, via Don Sempreboni 5, 37034, Negrar, Verona, Italy.,University of Brescia, Brescia, Italy
| | - Marco L Bonù
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, via Don Sempreboni 5, 37034, Negrar, Verona, Italy.,University of Brescia, Brescia, Italy
| | - Stefanie Corradini
- Radiation Oncology Department, University Hospital, LMU Munich, Munich, Germany
| | - Ruggero Ruggieri
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, via Don Sempreboni 5, 37034, Negrar, Verona, Italy
| | - Filippo Alongi
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Cancer Care Center, via Don Sempreboni 5, 37034, Negrar, Verona, Italy.,University of Brescia, Brescia, Italy
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Upfront radiosurgery plus targeted agents followed by active brain control using radiosurgery delays neurological death in non-small cell lung cancer with brain metastasis. Clin Exp Metastasis 2020; 37:353-363. [PMID: 32008137 DOI: 10.1007/s10585-020-10022-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 01/12/2020] [Indexed: 12/25/2022]
Abstract
The role of radiosurgery has become further accentuated in the era of targeted agents (TA). Thus, the neurologic outcome of radiosurgery in brain metastasis (BM) of non-small cell lung cancer (NSCLC) was reviewed. We analyzed 135 patients with BM of NSCLC who were administered Cyberknife radiosurgery (CKRS) as either initial or salvage therapy. We evaluated local failure (LF), intracranial failure (IF), and neurological death (ND) due to BM. Primary outcome was neurological death-free survival (NDFS). Median follow-up was 16.2 months. Median CKRS dose of 22 Gy was administered to median 2 targets per patient. Among 99 deaths, 14 (14%) were ND. Upfront treatment for BM included CKRS alone in 85 patients (63%), CKRS + TA in 26 patients (19%), and WBRT in 24 patients (18%). No patients or tumor related factors were associated with ND. However, the type of upfront treatment for BM was significantly associated with ND [HR 0.07 (95% CI 0.01-0.57) for CKRS + TA, HR 0.56 (95% CI 0.19-1.68) for CKRS alone] compared with the WBRT group (P = 0.01). The 2-year NDFS rates for the CKRS + TA, CRKS alone, and WBRT groups were 94%, 87%, and 78%, respectively (P = 0.03). Upfront CKRS showed significantly higher 2-year LF-free survival rate (P < 0.01). IF rate was insignificantly lower in the WBRT group compared with CKRS group (P = 0.38). Upfront CKRS + TA was associated with the best neurological outcome with high NDFS. Active brain control by early delivery of radiosurgery could achieve better neurological outcome in NSCLC with BM.
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Hsu CY, Xiao F, Liu KL, Chen TL, Lee YC, Wang W. Radiomic analysis of magnetic resonance imaging predicts brain metastases velocity and clinical outcome after upfront radiosurgery. Neurooncol Adv 2020; 2:vdaa100. [PMID: 33817641 PMCID: PMC8008166 DOI: 10.1093/noajnl/vdaa100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Background Brain metastasis velocity (BMV) predicts outcomes after initial distant brain failure (DBF) following upfront stereotactic radiosurgery (SRS). We developed an integrated model of clinical predictors and pre-SRS MRI-derived radiomic scores (R-scores) to identify high-BMV (BMV-H) patients upon initial identification of brain metastases (BMs). Methods In total, 256 patients with BMs treated with upfront SRS alone were retrospectively included. R-scores were built from 1246 radiomic features in 2 target volumes by using the Extreme Gradient Boosting algorithm to predict BMV-H groups, as defined by BMV at least 4 or leptomeningeal disease at first DBF. Two R-scores and 3 clinical predictors were integrated into a predictive clinico-radiomic (CR) model. Results The related R-scores showed significant differences between BMV-H and low BMV (BMV-L), as defined by BMV less than 4 or no DBF (P < .001). Regression analysis identified BMs number, perilesional edema, and extracranial progression as significant predictors. The CR model using these 5 predictors achieved a bootstrapping corrected C-index of 0.842 and 0.832 in the discovery and test sets, respectively. Overall survival (OS) after first DBF was significantly different between the CR-predicted BMV-L and BMV-H groups (median OS: 26.7 vs 13.0 months, P = .016). Among patients with a diagnosis-specific graded prognostic assessment of 1.5–2 or 2.5–4, the median OS after initial SRS was 33.8 and 67.8 months for CR-predicted BMV-L, compared to 13.5 and 31.0 months for CR-predicted BMV-H (P < .001 and <.001), respectively. Conclusion Our CR model provides a novel approach showing good performance to predict BMV and clinical outcomes.
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Affiliation(s)
- Che-Yu Hsu
- Division of Radiation Oncology, Department of Oncology, National Taiwan University Hospital, Taipei, Taiwan
- National Taiwan University Cancer Center, Taipei, Taiwan
- Graduate Program of Data Science, National Taiwan University and Academia Sinica, Taipei, Taiwan
- Corresponding Authors: Weichung Wang, PhD, Institute of Applied Mathematical Sciences, National Taiwan University, No.1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan (); Che-Yu Hsu, MD, Division of Radiation Oncology, Department of Oncology, National Taiwan University Hospital, No. 7, Chung-Shan South Rd, Taipei 100, Taiwan ()
| | - Furen Xiao
- Department of Neurosurgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Kao-Lang Liu
- Department of Medical Imaging, National Taiwan University Cancer Center, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ting-Li Chen
- Graduate Program of Data Science, National Taiwan University and Academia Sinica, Taipei, Taiwan
- Institute of Statistical Science, Academia Sinica, Taipei, Taiwan
| | - Yueh-Chou Lee
- Department of Mathematics, National Taiwan University, Taipei, Taiwan
| | - Weichung Wang
- Graduate Program of Data Science, National Taiwan University and Academia Sinica, Taipei, Taiwan
- Institute of Applied Mathematical Sciences, National Taiwan University, Taipei, Taiwan
- Corresponding Authors: Weichung Wang, PhD, Institute of Applied Mathematical Sciences, National Taiwan University, No.1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan (); Che-Yu Hsu, MD, Division of Radiation Oncology, Department of Oncology, National Taiwan University Hospital, No. 7, Chung-Shan South Rd, Taipei 100, Taiwan ()
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Palmer JD, Trifiletti DM, Gondi V, Chan M, Minniti G, Rusthoven CG, Schild SE, Mishra MV, Bovi J, Williams N, Lustberg M, Brown PD, Rao G, Roberge D. Multidisciplinary patient-centered management of brain metastases and future directions. Neurooncol Adv 2020; 2:vdaa034. [PMID: 32793882 PMCID: PMC7415255 DOI: 10.1093/noajnl/vdaa034] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The incidence of brain metastasis is increasing as improvements in systemic therapy lead to increased survival. This provides new and challenging clinical decisions for patients who are trying to balance the risk of recurrence or progression with treatment-related side effects, and it requires appropriate management strategies from multidisciplinary teams. Improvements in prognostic assessment and systemic therapy with increasing activity in the brain allow for individualized care to better guide the use of local therapies and/or systemic therapy. Here, we review the current landscape of brain-directed therapy for the treatment of brain metastasis in the context of recent improved systemic treatment options. We also discuss emerging treatment strategies including targeted therapies for patients with actionable mutations, immunotherapy, modern whole-brain radiation therapy, radiosurgery, surgery, and clinical trials.
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Affiliation(s)
- Joshua D Palmer
- Department of Radiation Oncology, The James Cancer Hospital and Solove Research Institute, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
- Department of Neurosurgery, The James Cancer Hospital and Solove Research Institute, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Daniel M Trifiletti
- Departments of Radiation Oncology and Neurological Surgery, Mayo Clinic, Jacksonville, Florida, USA
| | - Vinai Gondi
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
- Radiation Oncology Consultants LLC, Chicago, Illinois, USA
- Northwestern Medicine Chicago Proton Center Warrenville, Chicago, Illinois, USA
| | - Michael Chan
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Giuseppe Minniti
- Radiation Oncology Unit, UPMC Hillman Cancer Center, San Pietro Hospital FBF, Rome, Italy
| | - Chad G Rusthoven
- Department of Radiation Oncology, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Steven E Schild
- Department of Radiation Oncology, Mayo Clinic Scottsdale, Phoenix, Arizona, USA
| | - Mark V Mishra
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Joseph Bovi
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Nicole Williams
- Department of Medical Oncology, The James Cancer Hospital and Solove Research Institute at The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Maryam Lustberg
- Department of Medical Oncology, The James Cancer Hospital and Solove Research Institute at The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Paul D Brown
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | - Ganesh Rao
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - David Roberge
- Department of Radiation Oncology, Centre Hospitalier de l’ Université de Montreal, Montreal, Quebec, Canada
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LeCompte MC, Hughes RT, Farris M, Masters A, Soike MH, Lanier C, Glenn C, Cramer CK, Watabe K, Su J, Ruiz J, Whitlow CT, Wang G, Laxton AW, Tatter SB, Chan MD. Impact of brain metastasis velocity on neurologic death for brain metastasis patients experiencing distant brain failure after initial stereotactic radiosurgery. J Neurooncol 2020; 146:285-292. [PMID: 31894518 DOI: 10.1007/s11060-019-03368-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 12/09/2019] [Accepted: 12/11/2019] [Indexed: 01/04/2023]
Abstract
PURPOSE Patients with high rates of developing new brain metastases have an increased likelihood of dying of neurologic death. It is unclear, however, whether this risk is affected by treatment choice following failure of primary stereotactic radiosurgery (SRS). METHODS From July 2000 to March 2017, 440 patients with brain metastasis were treated with SRS and progressed to have a distant brain failure (DBF). Eighty-seven patients were treated within the immunotherapy era. Brain metastasis velocity (BMV) was calculated for each patient. In general, the institutional philosophy for use of salvage SRS vs whole brain radiotherapy (WBRT) was to postpone the use of WBRT for as long as possible and to treat with salvage SRS when feasible. No further treatment was reserved for patients with poor life expectancy and who were not expected to benefit from salvage treatment. RESULTS Two hundred and eighty-five patients were treated with repeat SRS, 91 patients were treated with salvage WBRT, and 64 patients received no salvage radiation therapy. One-year cumulative incidence of neurologic death after salvage SRS vs WBRT was 15% vs 23% for the low- (p = 0.06), 30% vs 37% for the intermediate- (p < 0.01), and 31% vs 48% (p < 0.01) for the high-BMV group. Salvage WBRT was associated with increased incidence of neurologic death on multivariate analysis (HR 1.64, 95% CI 1.13-2.39, p = 0.01) when compared to repeat SRS. One-year cumulative incidence of neurologic death for patients treated within the immunotherapy era was 9%, 38%, and 38% for low-, intermediate-, and high-BMV groups, respectively (p = 0.01). CONCLUSION Intermediate and high risk BMV groups are predictive of neurologic death. The association between BMV and neurologic death remains strong for patients treated within the immunotherapy era.
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Affiliation(s)
- Michael C LeCompte
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA.
| | - Ryan T Hughes
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Michael Farris
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Adrianna Masters
- Department of Radiation Oncology, University Radiologists, S.C., Southern Illinois School of Medicine, Springfield, IL, 62781, USA
| | - Michael H Soike
- Hazelrig-Salter Radiation Oncology Center, University of Alabama at Birmingham, Birmingham, AL, 35233, USA
| | - Claire Lanier
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Chase Glenn
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Christina K Cramer
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Kounosuke Watabe
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Jing Su
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA.,Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Jimmy Ruiz
- Department of Medicine (Hematology & Oncology), Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA.,W.G. (Bill) Hefner Veteran Administration Medical Center, Cancer Center, Salisbury, NC, 28144, USA
| | - Christopher T Whitlow
- Department of Radiology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Ge Wang
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Adrian W Laxton
- Department of Neurosurgery, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Stephen B Tatter
- Department of Neurosurgery, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Michael D Chan
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
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