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Hampe L, Daumoine S, Limagne E, Roussot N, Borsotti F, Vincent J, Ilie S, Truntzer C, Ghiringhelli F, Thibaudin M. Effect of radiochemotherapy on peripheral immune response in glioblastoma. Cancer Immunol Immunother 2024; 73:133. [PMID: 38753169 PMCID: PMC11098987 DOI: 10.1007/s00262-024-03722-5] [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: 03/29/2024] [Accepted: 05/02/2024] [Indexed: 05/19/2024]
Abstract
BACKGROUND Glioblastoma (GBM) is a primary brain tumor with a dismal prognosis, often resistant to immunotherapy and associated with immune suppression. This study aimed to assess the impact of steroids and Stupp-regimen treatment on peripheral blood immune parameters in GBM patients and their association with outcomes. METHODS Using cytometry panels and bioplex assays, we analyzed the immune phenotype and serum cytokines of 54 GBM patients and 21 healthy volunteers. RESULTS GBM patients exhibited decreased lymphoid cell numbers (CD4, CD8 T cells, NKT cells) with heightened immune checkpoint expression and increased myeloid cell numbers (especially neutrophils), along with elevated pro-inflammatory cytokine levels. Steroid use decreased T and NK cell numbers, while radio-chemotherapy led to decreased lymphoid cell numbers, increased myeloid cell numbers, and heightened immune checkpoint expression. Certain immune cell subsets were identified as potential outcome predictors. CONCLUSION Overall, these findings shed light on the peripheral immune landscape in GBM, emphasizing the immunosuppressive effects of treatment. Baseline immune parameters may serve as prognostic indicators for treatment response.
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Affiliation(s)
- Léa Hampe
- University Bourgogne Franche-Comté, Dijon, France
- Cancer Biology Transfer Platform, Department of Biology and Pathology of Tumors, Georges-François Leclerc Anticancer Center, UNICANCER, 1 rue Professeur Marion, 21000, Dijon, France
- Centre de Recherche INSERM LNC-UMR1231, Dijon, France
| | - Susy Daumoine
- University Bourgogne Franche-Comté, Dijon, France
- Cancer Biology Transfer Platform, Department of Biology and Pathology of Tumors, Georges-François Leclerc Anticancer Center, UNICANCER, 1 rue Professeur Marion, 21000, Dijon, France
- Centre de Recherche INSERM LNC-UMR1231, Dijon, France
| | - Emeric Limagne
- University Bourgogne Franche-Comté, Dijon, France
- Cancer Biology Transfer Platform, Department of Biology and Pathology of Tumors, Georges-François Leclerc Anticancer Center, UNICANCER, 1 rue Professeur Marion, 21000, Dijon, France
- Centre de Recherche INSERM LNC-UMR1231, Dijon, France
| | - Nicolas Roussot
- University Bourgogne Franche-Comté, Dijon, France
- Cancer Biology Transfer Platform, Department of Biology and Pathology of Tumors, Georges-François Leclerc Anticancer Center, UNICANCER, 1 rue Professeur Marion, 21000, Dijon, France
- Centre de Recherche INSERM LNC-UMR1231, Dijon, France
- Department of Medical Oncology, Centre Georges-François Leclerc, Dijon, France
| | - François Borsotti
- Department of Neurosurgery, University Hospital François Mitterrand, Dijon, France
| | - Julie Vincent
- Department of Medical Oncology, Centre Georges-François Leclerc, Dijon, France
| | - Sylvia Ilie
- Department of Medical Oncology, Centre Georges-François Leclerc, Dijon, France
| | - Caroline Truntzer
- University Bourgogne Franche-Comté, Dijon, France
- Cancer Biology Transfer Platform, Department of Biology and Pathology of Tumors, Georges-François Leclerc Anticancer Center, UNICANCER, 1 rue Professeur Marion, 21000, Dijon, France
- Centre de Recherche INSERM LNC-UMR1231, Dijon, France
- Genetic and Immunology Medical Institute, Dijon, France
| | - François Ghiringhelli
- University Bourgogne Franche-Comté, Dijon, France.
- Cancer Biology Transfer Platform, Department of Biology and Pathology of Tumors, Georges-François Leclerc Anticancer Center, UNICANCER, 1 rue Professeur Marion, 21000, Dijon, France.
- Centre de Recherche INSERM LNC-UMR1231, Dijon, France.
- Department of Medical Oncology, Centre Georges-François Leclerc, Dijon, France.
- Genetic and Immunology Medical Institute, Dijon, France.
| | - Marion Thibaudin
- University Bourgogne Franche-Comté, Dijon, France.
- Cancer Biology Transfer Platform, Department of Biology and Pathology of Tumors, Georges-François Leclerc Anticancer Center, UNICANCER, 1 rue Professeur Marion, 21000, Dijon, France.
- Centre de Recherche INSERM LNC-UMR1231, Dijon, France.
- Genetic and Immunology Medical Institute, Dijon, France.
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Omene E, Abdel-Rahman O, Batuyong E, Patel S, Coppens R, Easaw J, Young K. Switch to generic formulation of temozolomide results in statistically significant increase in grade 3 and 4 bone marrow toxicity in glioma patients in the province of Alberta. Neurooncol Pract 2024; 11:171-177. [PMID: 38496912 PMCID: PMC10940820 DOI: 10.1093/nop/npad065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024] Open
Abstract
Background Temozolomide (TMZ) is an oral, systemic chemotherapy used chiefly for treating high-grade glioma. Due to the rising costs of systemic chemotherapy, many jurisdictions have replaced brand name with generic formulations. The aim of this study was to determine whether or not there was difference in the incidence of grade 3 or 4 bone marrow toxicity and median overall survival in patients treated with brand name versus generic TMZ in the province of Alberta, Canada. The province suspended the use of generic TMZ based on preliminary data pointing to excess toxicity. Methods This multicenter, retrospective study included data from patients with newly diagnosed high-grade glioma that received treatment with TMZ in Alberta. Multivariate logistic regression analysis was performed to determine the association between grade 3 or 4 toxicity to generic versus brand name TMZ exposure, ECOG score, and age. Kaplan-Meier survival estimates and log-rank testing were used to determine differences in overall survival between the brand name and generic TMZ cohorts, as well as the cytopenic versus non-cytopenic patients. Furthermore, a screening analysis for grade 3 or 4 bone marrow toxicity was conducted on all de novo glioma patients treated with brand name TMZ after Alberta preemptively stopped generic TMZ. Results Grade 3 or 4 neutropenia and thrombocytopenia were observed in 15% and 19% of patients treated with generic TMZ (n = 156) as compared to 3% and 5% of patients (n = 100) treated with brand name TMZ-treated patients; P= .003 and .001. A trend toward increased median overall survival in glioblastoma patients treated with generic TMZ (13.7 months) versus brand name (15.8 months, P = .178.) was also observed through meeting statistical significance. Based on these results, the province stopped the use of generic TMZ and reverted to the Merck TMZ. An initial review of all new glioma patients (n = 89) treated with Merck TMZ since the province stopped the generic drug demonstrated 3.4% and 10.1% grade 3 or 4 neutropenia, respectively. Conclusions The statistically significant difference in toxicity profile has prompted the province of Alberta to replace generic TMZ with brand name TMZ in high-grade glioma patients pending more detailed analysis. Our study provides evidence supporting the importance of conducting prospective studies on long-term safety for generic chemotherapies.
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Affiliation(s)
- Egiroh Omene
- Cross Cancer Institute, Edmonton, Alberta, Canada
- Department of Medicine, University Alberta, Edmonton, Alberta, Canada
| | - Omar Abdel-Rahman
- Cross Cancer Institute, Edmonton, Alberta, Canada
- Department of Medicine, University Alberta, Edmonton, Alberta, Canada
| | - Eugene Batuyong
- Tom Baker Cancer Centre, Calgary, Alberta, Canada
- Department of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Samir Patel
- Cross Cancer Institute, Edmonton, Alberta, Canada
- Department of Medicine, University Alberta, Edmonton, Alberta, Canada
| | | | - Jacob Easaw
- Cross Cancer Institute, Edmonton, Alberta, Canada
- Department of Medicine, University Alberta, Edmonton, Alberta, Canada
| | - Kelvin Young
- Cross Cancer Institute, Edmonton, Alberta, Canada
- Department of Medicine, University Alberta, Edmonton, Alberta, Canada
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Stepanenko AA, Sosnovtseva AO, Valikhov MP, Chernysheva AA, Abramova OV, Naumenko VA, Chekhonin VP. The need for paradigm shift: prognostic significance and implications of standard therapy-related systemic immunosuppression in glioblastoma for immunotherapy and oncolytic virotherapy. Front Immunol 2024; 15:1326757. [PMID: 38390330 PMCID: PMC10881776 DOI: 10.3389/fimmu.2024.1326757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 01/23/2024] [Indexed: 02/24/2024] Open
Abstract
Despite significant advances in our knowledge regarding the genetics and molecular biology of gliomas over the past two decades and hundreds of clinical trials, no effective therapeutic approach has been identified for adult patients with newly diagnosed glioblastoma, and overall survival remains dismal. Great hopes are now placed on combination immunotherapy. In clinical trials, immunotherapeutics are generally tested after standard therapy (radiation, temozolomide, and steroid dexamethasone) or concurrently with temozolomide and/or steroids. Only a minor subset of patients with progressive/recurrent glioblastoma have benefited from immunotherapies. In this review, we comprehensively discuss standard therapy-related systemic immunosuppression and lymphopenia, their prognostic significance, and the implications for immunotherapy/oncolytic virotherapy. The effectiveness of immunotherapy and oncolytic virotherapy (viro-immunotherapy) critically depends on the activity of the host immune cells. The absolute counts, ratios, and functional states of different circulating and tumor-infiltrating immune cell subsets determine the net immune fitness of patients with cancer and may have various effects on tumor progression, therapeutic response, and survival outcomes. Although different immunosuppressive mechanisms operate in patients with glioblastoma/gliomas at presentation, the immunological competence of patients may be significantly compromised by standard therapy, exacerbating tumor-related systemic immunosuppression. Standard therapy affects diverse immune cell subsets, including dendritic, CD4+, CD8+, natural killer (NK), NKT, macrophage, neutrophil, and myeloid-derived suppressor cell (MDSC). Systemic immunosuppression and lymphopenia limit the immune system's ability to target glioblastoma. Changes in the standard therapy are required to increase the success of immunotherapies. Steroid use, high neutrophil-to-lymphocyte ratio (NLR), and low post-treatment total lymphocyte count (TLC) are significant prognostic factors for shorter survival in patients with glioblastoma in retrospective studies; however, these clinically relevant variables are rarely reported and correlated with response and survival in immunotherapy studies (e.g., immune checkpoint inhibitors, vaccines, and oncolytic viruses). Our analysis should help in the development of a more rational clinical trial design and decision-making regarding the treatment to potentially improve the efficacy of immunotherapy or oncolytic virotherapy.
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Affiliation(s)
- Aleksei A. Stepanenko
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center of Psychiatry and Narcology, The Ministry of Health of the Russian Federation, Moscow, Russia
- Department of Medical Nanobiotechnology, Institute of Translational Medicine, N.I. Pirogov Russian National Research Medical University, The Ministry of Health of the Russian Federation, Moscow, Russia
| | - Anastasiia O. Sosnovtseva
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center of Psychiatry and Narcology, The Ministry of Health of the Russian Federation, Moscow, Russia
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Marat P. Valikhov
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center of Psychiatry and Narcology, The Ministry of Health of the Russian Federation, Moscow, Russia
- Department of Medical Nanobiotechnology, Institute of Translational Medicine, N.I. Pirogov Russian National Research Medical University, The Ministry of Health of the Russian Federation, Moscow, Russia
| | - Anastasia A. Chernysheva
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center of Psychiatry and Narcology, The Ministry of Health of the Russian Federation, Moscow, Russia
| | - Olga V. Abramova
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center of Psychiatry and Narcology, The Ministry of Health of the Russian Federation, Moscow, Russia
| | - Victor A. Naumenko
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center of Psychiatry and Narcology, The Ministry of Health of the Russian Federation, Moscow, Russia
| | - Vladimir P. Chekhonin
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center of Psychiatry and Narcology, The Ministry of Health of the Russian Federation, Moscow, Russia
- Department of Medical Nanobiotechnology, Institute of Translational Medicine, N.I. Pirogov Russian National Research Medical University, The Ministry of Health of the Russian Federation, Moscow, Russia
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Myelotoxicity of Temozolomide Treatment in Patients with Glioblastoma Is It Time for a More Mechanistic Approach? Cancers (Basel) 2023; 15:cancers15051561. [PMID: 36900352 PMCID: PMC10000921 DOI: 10.3390/cancers15051561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Glioblastoma multiforme is the most common primary central nervous system tumor, with an incidence of 3 [...].
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Abstract
Sex differences play a large role in oncology. It has long been discussed that the incidence of different types of tumors varies by sex, and this holds in neuro-oncology. There are also profound survival sex differences, biologic factors, and treatment effects. This review aims to summarize some of the main sex differences observed in primary brain tumors and goes on to focus specifically on gliomas and meningiomas, as these are two commonly encountered primary brain tumors in clinical practice. Additionally, considerations unique to female individuals, including pregnancy and breastfeeding, are explored. This review sheds light on many of the unique attributes that must be considered when diagnosing and treating female patients with primary brain tumors in clinical practice.
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Affiliation(s)
- Lauren Singer
- Department of Neurology, Malnati Brain Tumor Institute at the Robert H. Lurie Comprehensive Cancer Center, The Feinberg School of Medicine/Northwestern University, 675 North Saint Clair Street, Suite 20-100, Chicago, IL 60611, USA.
| | - Ditte Primdahl
- Department of Neurology, Malnati Brain Tumor Institute at the Robert H. Lurie Comprehensive Cancer Center, The Feinberg School of Medicine/Northwestern University, 675 North Saint Clair Street, Suite 20-100, Chicago, IL 60611, USA
| | - Priya Kumthekar
- Department of Neurology, Malnati Brain Tumor Institute at the Robert H. Lurie Comprehensive Cancer Center, The Feinberg School of Medicine/Northwestern University, 675 North Saint Clair Street, Suite 20-100, Chicago, IL 60611, USA
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Patterns, predictors and prognostic relevance of high-grade hematotoxicity after temozolomide or temozolomide-lomustine in the CeTeG/NOA-09 trial. J Neurooncol 2023; 161:147-153. [PMID: 36609807 PMCID: PMC9886607 DOI: 10.1007/s11060-022-04203-4] [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: 11/09/2022] [Accepted: 11/29/2022] [Indexed: 01/09/2023]
Abstract
PURPOSE In the randomized phase III trial CeTeG/NOA-09, temozolomide (TMZ)/lomustine (CCNU) combination therapy was superior to TMZ in newly diagnosed MGMT methylated glioblastoma, albeit reporting more frequent hematotoxicity. Here, we analyze high grade hematotoxicity and its prognostic relevance in the trial population. METHODS Descriptive and comparative analysis of hematotoxicity adverse events ≥ grade 3 (HAE) according to the Common Terminology of Clinical Adverse Events, version 4.0 was performed. The association of HAE with survival was assessed in a landmark analysis. Logistic regression analysis was performed to predict HAE during the concomitant phase of chemotherapy. RESULTS HAE occurred in 36.4% and 28.6% of patients under CCNU/TMZ and TMZ treatment, respectively. The median onset of the first HAE was during concomitant chemotherapy (i.e. first CCNU/TMZ course or daily TMZ therapy), and 42.9% of patients with HAE receiving further courses experienced repeat HAE. Median HAE duration was similar between treatment arms (CCNU/TMZ 11.5; TMZ 13 days). Chemotherapy was more often discontinued due to HAE in CCNU/TMZ than in TMZ (19.7 vs. 6.3%, p = 0.036). The occurrence of HAE was not associated with survival differences (p = 0.76). Regression analysis confirmed older age (OR 1.08) and female sex (OR 2.47), but not treatment arm, as predictors of HAE. CONCLUSION Older age and female sex are associated with higher incidence of HAE. Although occurrence of HAE was not associated with shorter survival, reliable prediction of patients at risk might be beneficial to allow optimal management of therapy and allocation of supportive measures. TRIAL REGISTRATION NCT01149109.
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Sex Differences in Glioblastoma—Findings from the Swedish National Quality Registry for Primary Brain Tumors between 1999–2018. J Clin Med 2022; 11:jcm11030486. [PMID: 35159938 PMCID: PMC8837060 DOI: 10.3390/jcm11030486] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/05/2022] [Accepted: 01/14/2022] [Indexed: 02/01/2023] Open
Abstract
Sex disparities in glioblastoma (GBM) have received increasing attention. Sex-related differences for several molecular markers have been reported, which could impact on clinical factors and outcomes. We therefore analyzed data on all patients with GBM reported to the Swedish National Quality Registry for Primary Brain Tumors, according to sex, with a focus on prognostic factors and survival. All glioma patients registered during 20 years, from 1 January 1999 until 31 December 2018, with SNOMED codes 94403, 94413, and 94423, were analyzed. Chi2-test, log-rank test, and Kaplan–Meier analyses were performed. We identified 5243 patients, of which 2083 were females and 3160 males, resulting in a ratio of 1:1.5. We found sex related differences, with women having diagnostic surgery at a significantly higher age (p = 0.001). Women were also reported to have a worse preoperative performance status (PPS) (<0.001). There was no gender difference for the type of surgery performed. For women with radical surgery, overall survival was slightly better than for men (p = 0.045). The time period did not influence survival, neither for 1999–2005 nor 2006–2018, after temozolomide treatment was introduced (p = 0.35 and 0.10, respectively). In the multivariate analysis including sex, age, surgery, and PPS, a survival advantage was noted for women, but this was not clinically relevant (HR = 0.92, p = 0.006). For patients with GBM; sex-related differences in clinical factors could be identified in a population-based cohort. In this dataset, for survival, the only advantage noted was for women who had undergone radical surgery, although this was clinically almost negligible.
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Moitra P, Chatterjee A, Kota PK, Epari S, Patil V, Dasgupta A, Kowtal P, Sarin R, Gupta T. Temozolomide-induced myelotoxicity and single nucleotide polymorphisms in the MGMT gene in patients with adult diffuse glioma: a single-institutional pharmacogenetic study. J Neurooncol 2022; 156:625-634. [PMID: 35037156 DOI: 10.1007/s11060-022-03944-6] [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: 12/03/2021] [Accepted: 01/03/2022] [Indexed: 11/27/2022]
Abstract
PURPOSE Nearly 10% of patients with adult diffuse glioma develop clinically significant myelotoxicity while on temozolomide (TMZ) leading to treatment interruptions. This study aimed to assess single nucleotide polymorphisms (SNPs) in the O6-methylguanine-DNA methyltransferase (MGMT) gene in adults with biopsy-proven diffuse glioma who develop TMZ-induced myelotoxicity and correlate their presence with severity and duration of such toxicity. METHODS This study assessed 33 adults treated with TMZ for diffuse glioma who developed ≥ grade 2 thrombocytopenia and/or ≥ grade 3 neutropenia. Genomic DNA was extracted from peripheral blood cells for MGMT SNP analysis after written informed consent. TMZ-induced severe myelotoxicity (≥ grade 3) was correlated with three specified SNPs commonly seen in the MGMT gene (L84F, I143V/K178R) using chi-square test or Fischer's exact test as appropriate. RESULTS Of the 33 adults, 24 (72.7%) experienced ≥ grade 3 thrombocytopenia and/or neutropenia, while 9 (27.3%) developed grade 2 thrombocytopenia only. The variant T allele of L84F was expressed in 28.7% (19/66) of analyzed alleles, which was substantially higher than previously reported for South Asian ancestry. The variant G allele of I143V/K178R was expressed in 9.3% (6/64) of analyzed alleles. Of which 3 patients showed statistically significant association with prolonged myelosuppression for > 2 months (p = 0.03). No significant correlation was established between the mentioned SNPs and severe myelotoxicity. CONCLUSIONS There is substantially higher frequency of variant T allele (L84F) in Indian patients than previously reported for South Asians. The presence of specific SNPs in the MGMT gene correlates with prolonged duration but not severity of TMZ-induced myelotoxicity.
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Affiliation(s)
- Prithwijit Moitra
- Departments of Radiation Oncology, Tata Memorial Hospital (TMH)/Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, 410210, India
| | - Abhishek Chatterjee
- Departments of Radiation Oncology, Tata Memorial Hospital (TMH)/Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, 410210, India
| | - Priti Khatri Kota
- Sarin Lab, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Sridhar Epari
- Department of Pathology, Tata Memorial Hospital (TMH)/Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Vijay Patil
- Department of Medical Oncology, Tata Memorial Hospital (TMH)/Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Archya Dasgupta
- Departments of Radiation Oncology, Tata Memorial Hospital (TMH)/Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, 410210, India
| | - Pradnya Kowtal
- Sarin Lab, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Rajiv Sarin
- Departments of Radiation Oncology, Tata Memorial Hospital (TMH)/Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, 410210, India
- Sarin Lab, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, India
| | - Tejpal Gupta
- Departments of Radiation Oncology, Tata Memorial Hospital (TMH)/Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Mumbai, 410210, India.
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Association between treatment-related lymphopenia and survival in glioblastoma patients following postoperative chemoradiotherapy. Strahlenther Onkol 2021; 198:448-457. [PMID: 34617129 PMCID: PMC9038819 DOI: 10.1007/s00066-021-01855-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 08/17/2021] [Indexed: 12/20/2022]
Abstract
PURPOSE Our study investigated the association between treatment-related lymphopenia and overall survival (OS) in a series of glioblastoma (GBM) patients. We also explored clinical and dosimetric predictors of lymphocytes depletion. METHODS Between 2015 and 2019, 64 patients were treated at the same institution with postoperative chemoradiotherapy. Peripheral lymphocyte count (PLC) data and dose-volume histogram parameters were collected. Radiotherapy (RT) schedule consisted in standard total dose of 60 Gy in 30 daily fractions, with concomitant and adjuvant temozolomide (TMZ). Posttreatment acute absolute lymphopenia (nadir AAL) was calculated as a PLC lower than 1.0 × 103/mm3. Acute relative lymphopenia (ARL) was expressed by the nadir-PLC/baseline-PLC ratio < 0.5. Nadir-PLC was the lowest PLC registered between the end of RT and the first month of follow-up. Survival rates were estimated with Kaplan-Meier curves. Clinical and dosimetric variables related to AAL/ARL and OS were identified by univariate and multivariate analyses. RESULTS A total of 57 patients were eligible and included in the analyses. The median PLC was significantly decreased following chemoradiotherapy (2180/mm3 vs 900/mm3). Median OS was 16 months (range 5-55 months), with no significant difference between patients who developed nadir AAL and those who did not (16 months vs 16.5 months; p = 0.304). When considering ARL vs non-ARL, median OS was 14 months vs 26 months (p = 0.013), respectively. In multivariate Cox regression only age, sex, extent of surgery, access to adjuvant chemotherapy and brain D98% were independently associated with OS. CONCLUSION Although iatrogenic immunosuppression could be associated with inferior clinical outcomes, our data show that treatment-related lymphopenia does not adversely affect GBM survival. Prospective studies are required to confirm these findings.
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Martinez-Calle N, Isbell LK, Cwynarski K, Schorb E. Advances in treatment of elderly primary central nervous system lymphoma. Br J Haematol 2021; 196:473-487. [PMID: 34448202 DOI: 10.1111/bjh.17799] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The management of older individuals (≥60 years) with primary central nervous system lymphoma remains a clinical challenge. Identification of optimal therapy and delivering adequate dose intensity are two of the major issues in treating elderly patients. Premorbid performance status and comorbidities influence individualised treatment approaches and geriatric assessment tools are increasingly utilised. Optimal induction treatment remains high-dose methotrexate-based immunochemotherapy, delivery is feasible in the majority of patients and the goal of treatment remains achieving complete remission. Consolidation strategies are also relevant in the elderly, aiming to maximise duration of response and quality of life (QoL). Potential options include high-dose therapy with haematopoietic stem cell consolidation, non-myeloablative chemotherapy and whole-brain radiotherapy. Efficacy of novel agents, such as Bruton tyrosine kinase inhibitors and lenalidomide, have been reported; these represent an alternative for elderly patients unfit for chemotherapy. Prognosis remains poor, improvement of outcomes in this age group is urgently needed.
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Affiliation(s)
- Nicolas Martinez-Calle
- Clinical Haematology Department, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Lisa K Isbell
- Department of Haematology, Oncology and Stem Cell Transplantation, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Kate Cwynarski
- Department of Haematology, University College Hospital, London, UK
| | - Elisabeth Schorb
- Department of Haematology, Oncology and Stem Cell Transplantation, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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Villani V, Anghileri E, Prosperini L, Lombardi G, Rudà R, Gaviani P, Rizzato S, Lanzetta G, Fabi A, Scaringi C, Pronello E, Simonetti G, Targato G, Pace A. Adjuvant chemotherapy after severe myelotoxicity during chemoradiation phase in malignant gliomas. Is it feasibile? Results from AINO study (Italian Association for Neuro-Oncology). J Neurol 2021; 268:2866-2875. [PMID: 33609154 DOI: 10.1007/s00415-021-10438-4] [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] [Received: 12/16/2020] [Revised: 01/29/2021] [Accepted: 01/30/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Malignant gliomas (MG) are aggressive brain tumours in adults. The standard of care is concurrent radiation plus temozolomide (TMZ) [chemo-radiotherapy (CRT)] followed by TMZ maintenance up to 6 months. TMZ is considered to have a low toxicity profile, but several studies reported occurrence of severe myelosuppression, especially during the concomitant phase. Toxicity may be prolonged, thus treatment should be discontinued. PURPOSE To evaluate the risk of recurrente myelotoxicity during adjuvant chemotherapy (CT) in patients who recovered from severe myelotoxicity during CRT. METHODS We retrospectively collected data on patients with MG who developed and recovered from severe myelotoxicity during CRT from eight Italian neuro-oncology centers. RESULTS We included 87 patients. Histology was Glioblastoma (GBM) in 78 patients (89.7%); 60% of patients were female. After myelotoxicity recovery, 54 (62%) received treatment. The majority of them (82%, n = 44) received adjuvant TMZ and 18% (n = 10) others treatments. Out of 44 patients who received adjuvant TMZ, 34% experienced the re-occurrence of grade 3-4 myelotoxicity which required permanent CT discontinuation in 6 (13%) cases. Patients who received TMZ or other treatments had longer overall (OS) (adjusted HR 0.46, p = 0.008) and progression free survival (PFS) (adjusted HR 0.57, p = 0.034) than those who remained untreated. CONCLUSION Our study suggests that after severe myelotoxicity the majority of patients received treatment, particularly with TMZ. Only a fraction of patients experienced toxicity recurrence, suggesting that TMZ is well tolerated and had an impact on PFS and OS.
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Affiliation(s)
- Veronica Villani
- Neuro-Oncology Unit, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy.
| | - Elena Anghileri
- Molecular Neuroncology Unit Fondazione IRCSS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Luca Prosperini
- Department of Neurosciences, S. Camillo-Forlanini Hospital, Rome, Italy
| | - Giuseppe Lombardi
- Department of Oncology, Oncology 1, Veneto Institute of Oncology IOV-IRCCS, Padua, Italy
| | - Roberta Rudà
- Department of Neuro-Oncology, City of Health and Science Hospital, Turin, Italy
| | - Paola Gaviani
- Neuro-Oncology Unit Fondazione IRCSS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Simona Rizzato
- Department of Oncology, Department of Oncology, Azienda Sanitaria Universitaria Friuli Centrale, Udine, Italy
| | - Gaetano Lanzetta
- Oncology Department, Istituto Neurotraumatologico Italiano, Grottaferrata, RM, Italy.,Scientific Institute for Research, Hospitalization and Health Care (IRCCS) Neuromed, Pozzilli, Italy
| | - Alessandra Fabi
- Phase 1 Unit and Precision Medicine-IRCSS Regina Elena National Cancer Institute, Rome, Italy
| | - Claudia Scaringi
- Radiation Oncology Unit, UPMC Hillman Cancer Center, San Pietro Hospital FBF, Rome, Italy
| | - Edoardo Pronello
- Department of Neuro-Oncology, City of Health and Science Hospital, Turin, Italy
| | - Giorgia Simonetti
- Neuro-Oncology Unit Fondazione IRCSS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Giada Targato
- Department of Oncology, Department of Oncology, Azienda Sanitaria Universitaria Friuli Centrale, Udine, Italy
| | - Andrea Pace
- Neuro-Oncology Unit, IRCCS Regina Elena National Cancer Institute, Via Elio Chianesi 53, 00144, Rome, Italy
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12
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Le Rhun E, Weller M. Sex-specific aspects of epidemiology, molecular genetics and outcome: primary brain tumours. ESMO Open 2020; 5:e001034. [PMID: 33234601 PMCID: PMC7689067 DOI: 10.1136/esmoopen-2020-001034] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/12/2020] [Accepted: 10/14/2020] [Indexed: 11/16/2022] Open
Abstract
Recent years have seen a great interest in sex-specific aspects of many diseases, including cancer, in part because of the assumption that females have often not been adequately represented in early drug development and determination of safety, tolerability and efficacy in clinical trials. Brain tumours represent a highly heterogeneous group of neoplastic diseases with strong variation of incidence by age, but partly also by sex. Most gliomas are more common in men whereas meningiomas, the most common primary intracranial tumours, are more common in females. Potential sex-specific genetic risk factors and specific sex biology have been reported in a tumour-specific manner. Several small studies have indicated differences in tolerability and safety of, as well as benefit from, treatment by sex, but no conclusive data have been generated. Exploring sex-specific aspects of neuro-oncology should be studied more systematically and in more depth in order to uncover the biological reasons for known sex differences in this disease.
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Affiliation(s)
- Emilie Le Rhun
- Departments of Neurology and Neurosurgery, Clinical Neuroscience Center and Brain Tumor Center, University Hospital Zurich, Zurich, Switzerland.
| | - Michael Weller
- Department of Neurology, Clinical Neuroscience Center and Brain Tumor Center, University Hospital and University of Zurich, Zurich, Switzerland
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13
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Hertler C, Seiler A, Gramatzki D, Schettle M, Blum D. Sex-specific and gender-specific aspects in patient-reported outcomes. ESMO Open 2020; 5:e000837. [PMID: 33184099 PMCID: PMC7662538 DOI: 10.1136/esmoopen-2020-000837] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 09/22/2020] [Accepted: 10/07/2020] [Indexed: 01/10/2023] Open
Abstract
Patient-reported outcomes (PROs) are important tools in patient-centred medicine and allow for individual assessment of symptom burden and aspects of patients’ quality of life. While sex and gender differences have emerged in preclinical and clinical medicine, these differences are not adequately represented in the development and use of patient-reported outcome measures. However, even in personalised approaches, undesirable biases may occur when samples are unbalanced for certain characteristics, such as sex or gender. This review summarises the current status of the literature and trends in PROs with a focus on sex and gender aspects.
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Affiliation(s)
- Caroline Hertler
- Department of Radiation Oncology and Competence Center for Palliative Care, University Hospital Zurich and University of Zurich, Zurich, Switzerland.
| | - Annina Seiler
- Department of Radiation Oncology and Competence Center for Palliative Care, University Hospital Zurich and University of Zurich, Zurich, Switzerland; Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Dorothee Gramatzki
- Department of Neurology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Markus Schettle
- Department of Radiation Oncology and Competence Center for Palliative Care, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - David Blum
- Department of Radiation Oncology and Competence Center for Palliative Care, University Hospital Zurich and University of Zurich, Zurich, Switzerland
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14
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Fontanilles M, Fontanilles A, Massy N, Rouvet J, Pereira T, Alexandru C, Hanzen C, Basuyau F, Langlois O, Clatot F, Tennevet I, Di Fiore F, Joannidès R, Lamoureux F. Deleterious impact of a generic temozolomide formulation compared with brand-name product on the kinetic of platelet concentration and survival in newly diagnosed glioblastoma. Fundam Clin Pharmacol 2020; 34:484-494. [PMID: 31994757 DOI: 10.1111/fcp.12539] [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: 06/23/2019] [Revised: 12/24/2019] [Accepted: 01/24/2020] [Indexed: 11/30/2022]
Abstract
Chemo-induced thrombocytopenia is a limiting toxicity among patients receiving temozolomide (TMZ) as first-line treatment for glioblastoma. We aimed to compare early platelet concentration kinetics, hematological safety profile, and impact on survival following the initiation of either the brand-name or a generic TMZ formulation. A retrospective trial was conducted in patients suffering from newly diagnosed glioblastoma. Patients were treated with TMZ at 75 mg/m2 per day during six weeks, concomitantly with radiotherapy. Platelet concentration was collected each week. Primary endpoint was to perform a linear mixed-effect model of platelet concentration kinetic over weeks. A total of 147 patients were included as follows: 96 received the brand-name TMZ, and 51 received a generic TMZ formulation. Exposition to the generic was a significant variable that negatively influenced the platelet kinetics in the radiotherapy and concomitant TMZ phase, P = 0.02. Grade ≥3 chemo-induced thrombocytopenia was more frequent in the generic group: 19.6% [95% CI 8.7-30.5%] vs 3.1% [0-6.6%], P = 0.001. Exposition to the generic formulation of TMZ led to increase early treatment discontinuation due to TMZ-induced thrombocytopenia and was a worsening independent prognostic factor on overall survival: adjusted HR 1.83 [1.21-2.8], P = 0.031. These data suggest that exposition to a generic formulation of TMZ vs the brand-name product is associated with higher early platelet decrease leading to clinically relevant impacts on treatment schedule in glioblastoma. Further prospective trials are needed to confirm these results.
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Affiliation(s)
- Maxime Fontanilles
- UNIROUEN, Inserm U1245, IRON group, Institute for Research and Innovation in Biomedicine, Normandy Centre for Genomic and Personalized Medicine, Rouen University Hospital, Normandie Univ, F-76031, Rouen, France.,Department of Medical Oncology, Cancer Centre Henri Becquerel, F-76000, Rouen, France.,Department of Pharmacology, Rouen University Hospital, F-76031, Rouen, France
| | - Adeline Fontanilles
- Institut supérieur d'agriculture Rhône-Alpes, ISARA-Lyon, F-69007, Lyon, France
| | - Nathalie Massy
- Department of Pharmacology, Rouen University Hospital, F-76031, Rouen, France
| | - Jean Rouvet
- Department of Pharmacy, Cancer Centre Henri Becquerel, F-76000, Rouen, France
| | - Tony Pereira
- Department of Pharmacology, Rouen University Hospital, F-76031, Rouen, France
| | - Cristina Alexandru
- Department of Medical Oncology, Cancer Centre Henri Becquerel, F-76000, Rouen, France
| | - Chantal Hanzen
- Department of Radiation Oncology and Medical Physics, Cancer Centre Henri Becquerel, F-76000, Rouen, France
| | - Florence Basuyau
- Department of Pharmacy, Cancer Centre Henri Becquerel, F-76000, Rouen, France
| | - Olivier Langlois
- Department of Neurosurgery, Rouen University Hospital, F-76031, Rouen, France
| | - Florian Clatot
- UNIROUEN, Inserm U1245, IRON group, Institute for Research and Innovation in Biomedicine, Normandy Centre for Genomic and Personalized Medicine, Rouen University Hospital, Normandie Univ, F-76031, Rouen, France.,Department of Medical Oncology, Cancer Centre Henri Becquerel, F-76000, Rouen, France
| | - Isabelle Tennevet
- Department of Medical Oncology, Cancer Centre Henri Becquerel, F-76000, Rouen, France
| | - Frédéric Di Fiore
- UNIROUEN, Inserm U1245, IRON group, Institute for Research and Innovation in Biomedicine, Normandy Centre for Genomic and Personalized Medicine, Rouen University Hospital, Normandie Univ, F-76031, Rouen, France.,Department of Medical Oncology, Cancer Centre Henri Becquerel, F-76000, Rouen, France.,Department of Hepatogastroenterology, Rouen University Hospital, F-76031, Rouen, France
| | - Robinson Joannidès
- Department of Pharmacology, Rouen University Hospital, F-76031, Rouen, France.,UNIROUEN, Inserm U1096, Institute for Research and Innovation in Biomedicine, Rouen University Hospital, Normandie Univ, F-76031, Rouen, France
| | - Fabien Lamoureux
- Department of Pharmacology, Rouen University Hospital, F-76031, Rouen, France.,UNIROUEN, Inserm U1096, Institute for Research and Innovation in Biomedicine, Rouen University Hospital, Normandie Univ, F-76031, Rouen, France
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15
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Matteoni S, Abbruzzese C, Villani V, Malorni W, Pace A, Matarrese P, Paggi MG. The influence of patient sex on clinical approaches to malignant glioma. Cancer Lett 2019; 468:41-47. [PMID: 31605777 DOI: 10.1016/j.canlet.2019.10.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 10/01/2019] [Accepted: 10/04/2019] [Indexed: 02/07/2023]
Abstract
Gliomas are tumors that originate from the glial tissue, thus involving the central nervous system with varying degrees of malignancy. The most aggressive and frequent form is glioblastoma multiforme, a disease characterized by resistance to therapies, frequent recurrences, and extremely poor median survival time. Data on overall glioma case studies demonstrate clear sex disparities regarding incidence, prognosis, drug toxicity, clinical outcome, and, recently, prediction of therapeutic response. In this study, we analyze data in the literature regarding malignant glioma, mainly glioblastoma multiforme, focusing on epidemiological and clinical evaluations. Less discussed issues, such as the role of viral infections, energy metabolism, and predictive aspects concerning the possible use of dedicated therapeutic approaches for male or female patients, will be reported together with different estimated pathogenetic mechanisms underlying astrocyte transformation and glioma chemosensitivity. In this era, where personalized/precision medicine is the most important driver for targeted cancer therapies, the lines of evidence discussed herein strongly suggest that clinical approaches to malignant glioma should consider the patient's sex. Furthermore, retrospectively revising previous clinical studies considering patient sex as a crucial variable is recommended.
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Affiliation(s)
- Silvia Matteoni
- IRCCS - Regina Elena National Cancer Institute, 00144, Rome, Italy
| | | | - Veronica Villani
- IRCCS - Regina Elena National Cancer Institute, 00144, Rome, Italy
| | - Walter Malorni
- Istituto Superiore di Sanità, 00161, Rome, Italy; University of Tor Vergata, 00133, Rome, Italy
| | - Andrea Pace
- IRCCS - Regina Elena National Cancer Institute, 00144, Rome, Italy
| | | | - Marco G Paggi
- IRCCS - Regina Elena National Cancer Institute, 00144, Rome, Italy.
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16
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Chambers P, Jani Y, Wei L, Kipps E, Forster MD, Wong ICK. Patient factors and their impact on neutropenic events: a systematic review and meta-analysis. Support Care Cancer 2019; 27:2413-2424. [PMID: 30993453 PMCID: PMC6541585 DOI: 10.1007/s00520-019-04773-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 03/22/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND Neutropenia is associated with an increased risk of mortality and hospitalisation. Strategies, including the prescribing of colony-stimulating growth factors (CSFs), are adopted when a high risk (> 20%) of neutropenic complications are seen in the clinical trial setting. With a diverse treatment population that may differ from the patient groups recruited to studies, appropriate prescribing decisions by clinicians are essential. At present, results are conflicting from studies evaluating the risks of certain patient attributes on neutropenic events; we aimed to aggregate these associations to guide future management. DESIGN A systematic review with a meta-analysis was conducted using the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) statement. Studies were identified through a literature search using MEDLINE, EMBASE and Cumulative Index to Nursing and Allied Health Literature (CINAHL) databases from inception to December 1, 2017. Studies were included into a meta-analysis if they adjusted for confounders; analyses were conducted in STATA v 15.1 SE. RESULTS A total of 4415 articles were retrieved by the search with 37 meeting the inclusion criteria and 12 eligible for meta-analysis. Meta-analysis was conducted for increasing age and yielded a pooled odds ratio of 1.39 (1.11, 1.76, I2 = 24.1%), in our subgroup analysis of 4814 patients. Odds ratios for studies were pooled that reported associations for one co-morbidity compared to none and resulted in an overall odds of 1.54 (CI 1.09-2.09, I2 = 13.1%), including 9189 patients in total. CONCLUSIONS Results can enhance current guidance in prescribing primary prophylaxis for treatments that either fall marginally under the internationally recognised 20% neutropenia risk.
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Affiliation(s)
- Pinkie Chambers
- UCLH-UCL Centre for Medicines Optimisation Research and Education, Pharmacy Department, University College London Hospitals NHS Foundation Trust, 235 Euston Road, London, NW1 2BU UK
| | - Yogini Jani
- UCLH-UCL Centre for Medicines Optimisation Research and Education, Pharmacy Department, University College London Hospitals NHS Foundation Trust, 235 Euston Road, London, NW1 2BU UK
| | - Li Wei
- UCLH-UCL Centre for Medicines Optimisation Research and Education, UCL School of Pharmacy, 29-39, Brunswick Square, London, WC1N 1AX UK
| | - Emma Kipps
- The Royal Marsden Hospital, Fulham Road, London, SW3 6JJ UK
| | - Martin D. Forster
- UCL Cancer Institute, Department of Oncology, University College London Hospitals NHS Foundation Trust, 72 Huntley Street, London, WC1 6DD UK
| | - Ian C. K. Wong
- UCLH-UCL Centre for Medicines Optimisation Research and Education, UCL School of Pharmacy, 29-39, Brunswick Square, London, WC1N 1AX UK
- Centre for Safe Medication Practice and Research, Department of Pharmacology and Pharmacy, University of Hong Kong, Hong Kong, China
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17
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Byun HK, Kim N, Yoon HI, Kang SG, Kim SH, Cho J, Baek JG, Chang JH, Suh CO. Clinical predictors of radiation-induced lymphopenia in patients receiving chemoradiation for glioblastoma: clinical usefulness of intensity-modulated radiotherapy in the immuno-oncology era. Radiat Oncol 2019; 14:51. [PMID: 30917849 PMCID: PMC6436232 DOI: 10.1186/s13014-019-1256-6] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 03/20/2019] [Indexed: 11/30/2022] Open
Abstract
Background Immunotherapy is currently being examined as a treatment modality for glioblastoma. Maintaining an optimal total lymphocyte count (TLC) after radiotherapy (RT) and using temozolomide may be beneficial in optimizing immunotherapy. However, conventional temozolomide-based chemoradiation is known to induce immunosuppressive effects, including lymphopenia. Therefore, this study aimed to identify potential clinical predictors of acute severe lymphopenia (ASL) in patients receiving chemoradiation for glioblastoma. Methods We identified patients with glioblastoma treated with RT plus temozolomide from 2006 to 2017. ASL was defined as a TLC of < 500/μL within 3 months after initiating RT. Independent predictors of ASL were determined using logistic regression. Results A total of 336 patients were evaluated. Three-dimensional conformal RT (3D-CRT) and intensity-modulated RT (IMRT) were used in 186 (55.4%) and 150 patients (44.6%), respectively. TLC decreased during RT and remained persistently low during the 1-year follow-up, whereas the levels of other blood cell types recovered. In total, 118 patients (35.1%) developed ASL. During a median follow-up of 19.3 months, patients with ASL showed significantly worse overall survival than did those without ASL (median, 18.2 vs. 22.0 months; P = .028). Multivariable analysis revealed that increased planning target volume (PTV) was independently associated with increased ASL incidence (hazard ratio [HR], 1.02; 95% confidence interval [CI], 1.00–1.03; P = .042), while IMRT was independently associated with decreased ASL incidence (HR, 0.48; 95% CI, 0.27–0.87; P = .015). A propensity-matched comparison showed that the incidence of ASL was lower with IMRT than with 3D-CRT (20% vs. 37%; P = .005). Conclusions IMRT and low PTV were significantly associated with decreased ASL incidence after RT plus temozolomide for glioblastoma. An IMRT-based strategy is necessary to enhance treatment outcomes in the immune-oncology era. Electronic supplementary material The online version of this article (10.1186/s13014-019-1256-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hwa Kyung Byun
- Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Nalee Kim
- Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Hong In Yoon
- Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
| | - Seok-Gu Kang
- Department of Neurosurgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Se Hoon Kim
- Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jaeho Cho
- Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Jong Geol Baek
- Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Jong Hee Chang
- Department of Neurosurgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Chang-Ok Suh
- Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.,Department of Radiation Oncology, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
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18
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Stepanenko AA, Chekhonin VP. Recent Advances in Oncolytic Virotherapy and Immunotherapy for Glioblastoma: A Glimmer of Hope in the Search for an Effective Therapy? Cancers (Basel) 2018; 10:E492. [PMID: 30563098 PMCID: PMC6316815 DOI: 10.3390/cancers10120492] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 11/19/2018] [Accepted: 11/29/2018] [Indexed: 02/06/2023] Open
Abstract
To date, no targeted drugs, antibodies or combinations of chemotherapeutics have been demonstrated to be more efficient than temozolomide, or to increase efficacy of standard therapy (surgery, radiotherapy, temozolomide, steroid dexamethasone). According to recent phase III trials, standard therapy may ensure a median overall survival of up to 18⁻20 months for adult patients with newly diagnosed glioblastoma. These data explain a failure of positive non-controlled phase II trials to predict positive phase III trials and should result in revision of the landmark Stupp trial as a historical control for median overall survival in non-controlled trials. A high rate of failures in clinical trials and a lack of effective chemotherapy on the horizon fostered the development of conceptually distinct therapeutic approaches: dendritic cell/peptide immunotherapy, chimeric antigen receptor (CAR) T-cell therapy and oncolytic virotherapy. Recent early phase trials with the recombinant adenovirus DNX-2401 (Ad5-delta24-RGD), polio-rhinovirus chimera (PVSRIPO), parvovirus H-1 (ParvOryx), Toca 511 retroviral vector with 5-fluorocytosine, heat shock protein-peptide complex-96 (HSPPC-96) and dendritic cell vaccines, including DCVax-L vaccine, demonstrated that subsets of patients with glioblastoma/glioma may benefit from oncolytic virotherapy/immunotherapy (>3 years of survival after treatment). However, large controlled trials are required to prove efficacy of next-generation immunotherapeutics and oncolytic vectors.
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Affiliation(s)
- Aleksei A Stepanenko
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center for Psychiatry and Narcology, the Ministry of Health of the Russian Federation, Kropotkinsky lane 23, 119034 Moscow, Russia.
| | - Vladimir P Chekhonin
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center for Psychiatry and Narcology, the Ministry of Health of the Russian Federation, Kropotkinsky lane 23, 119034 Moscow, Russia.
- Department of Medical Nanobiotechnologies, Medico-Biological Faculty, N. I. Pirogov Russian National Research Medical University, the Ministry of Health of the Russian Federation, Ostrovitianov str. 1, 117997 Moscow, Russia.
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19
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Gupta T, Epari S, Moiyadi A, Shetty P, Goda JS, Krishnatry R, Chinnaswamy G, Vora T, Menon H, Patil V, Sahay A, Bano N, Jalali R. Demographic profile, clinicopathological spectrum, and treatment outcomes of primary central nervous system tumors: Retrospective audit from an academic neuro-oncology unit. Indian J Cancer 2018; 54:594-600. [PMID: 30082541 DOI: 10.4103/ijc.ijc_543_17] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Primary tumors of the central nervous system are relatively uncommon, comprising only 1%-2% of all neoplasms. However, they constitute the second most common type of malignancy in children (after leukemia) and the leading cause of cancer-related morbidity and mortality in children and young adults worldwide. Globally, there is substantial variability with nearly five-fold difference in incidence between various parts of the world. Brain tumors are quite heterogeneous with regard to histology, biological behavior, and prognosis mandating multidisciplinary therapeutic decision-making. This retrospective audit of all consecutive patients registered in a single calendar year (2013) in the neuro-oncology disease management group at Tata Memorial Centre is reflective of the ground reality and fair representation of outcomes in routine neuro-oncologic practice.
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Affiliation(s)
- Tejpal Gupta
- Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Sridhar Epari
- Department of Pathology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Aliasgar Moiyadi
- Department of Neuro-surgical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Prakash Shetty
- Department of Neuro-surgical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Jayant Sastri Goda
- Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Rahul Krishnatry
- Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Girish Chinnaswamy
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Tushar Vora
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Hari Menon
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Vijay Patil
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Ayushi Sahay
- Department of Pathology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Nazia Bano
- Department of Neuro-Oncology Disease Management Group, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Rakesh Jalali
- Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
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20
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Fontanilles M, Marguet F, Alexandru C, Langlois O, Veresezan O, Gilard V, David M, Laquerriere A, Hanzen C, Tennevet I, Di Fiore F, Clatot F. Early platelet variation during concomitant chemo-radiotherapy predicts adjuvant temozolomide-induced thrombocytopenia in newly diagnosed glioblastoma patients. Support Care Cancer 2018; 27:477-484. [PMID: 29978325 DOI: 10.1007/s00520-018-4336-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 06/26/2018] [Indexed: 02/07/2023]
Abstract
PURPOSE Temozolomide (TMZ) is known to induce thrombocytopenia but no early predictive test has yet been clearly established. The aim of the study was to retrospectively identify and validate a threshold of early platelet variation predicting TMZ-induced thrombocytopenia during the TMZ phase in patients treated according to the Stupp protocol for glioblastoma. METHODS A training set was used to analyze variations in platelet count occurring from the first week (W1) to week 6 (W6) during radiotherapy. Our aim was to identify the most relevant platelet decrease associated with TMZ-induced thrombocytopenia ≤ 100 G/L at day 28 during the TMZ phase. The performance of the threshold was confirmed in an independent validation set. RESULTS Overall, 147 patients were included, 85 and 62 in the training and validation sets, respectively. Twenty-seven patients (18%) experienced at least one TMZ-induced thrombocytopenia in the TMZ phase. A platelet decrease at W6 ≥ 35% (∆W6 ≥ 35%) was identified as the best predictive variation with an AUC of 0.83, a sensitivity of 65%, and a specificity of 96%. In the validation set, ∆W6 ≥ 35% platelet variation was identified as an independent marker of TMZ-induced thrombocytopenia during the TMZ phase (OR 15.23 (95% CI 3.5-107.5)) corresponding to sensitivity of 77% (66-87%), specificity of 73% (62-84%), a positive predictive value of 42% (29-54%), and a negative predictive value of 92% (86-99%). CONCLUSION Platelet decrease at W6 ≥ 35% during the RT-TMZ phase is an early and simple predictive marker of clinically relevant TMZ-induced thrombocytopenia during TMZ maintenance.
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Affiliation(s)
- Maxime Fontanilles
- Normandie Univ, UNIROUEN, Inserm U1245, IRON group, Normandy Centre for Genomic and Personalized Medicine, Rouen University Hospital, F-76031, Rouen, France. .,Department of Medical Oncology, Cancer Centre Henri Becquerel, 1 Rue d'Amiens, 76000, Rouen Cedex, France.
| | - Florent Marguet
- Normandie Univ, UNIROUEN, Inserm U1245, Normandy Centre for Genomic and Personalized Medicine, Department of Pathology, Rouen University Hospital, F-76031, Rouen, France
| | - Cristina Alexandru
- Department of Medical Oncology, Cancer Centre Henri Becquerel, 1 Rue d'Amiens, 76000, Rouen Cedex, France
| | - Olivier Langlois
- Department of Neurosurgery, Rouen University Hospital, F-76031, Rouen, France
| | - Ovidiu Veresezan
- Department of Radiation Oncology and Medical Physics, Cancer Centre Henri Becquerel, F-76000, Rouen, France
| | - Vianney Gilard
- Department of Neurosurgery, Rouen University Hospital, F-76031, Rouen, France
| | - Marion David
- Department of Biopathology, Cancer Centre Henri Becquerel, F-76000, Rouen, France
| | - Annie Laquerriere
- Normandie Univ, UNIROUEN, Inserm U1245, Normandy Centre for Genomic and Personalized Medicine, Department of Pathology, Rouen University Hospital, F-76031, Rouen, France
| | - Chantal Hanzen
- Department of Neurosurgery, Rouen University Hospital, F-76031, Rouen, France
| | - Isabelle Tennevet
- Department of Medical Oncology, Cancer Centre Henri Becquerel, 1 Rue d'Amiens, 76000, Rouen Cedex, France
| | - Frédéric Di Fiore
- Normandie Univ, UNIROUEN, Inserm U1245, IRON group, Normandy Centre for Genomic and Personalized Medicine, Rouen University Hospital, F-76031, Rouen, France.,Department of Medical Oncology, Cancer Centre Henri Becquerel, 1 Rue d'Amiens, 76000, Rouen Cedex, France.,Department of Hepatogastroenterology, Rouen University Hospital, F-76031, Rouen, France
| | - Florian Clatot
- Normandie Univ, UNIROUEN, Inserm U1245, IRON group, Normandy Centre for Genomic and Personalized Medicine, Rouen University Hospital, F-76031, Rouen, France.,Department of Medical Oncology, Cancer Centre Henri Becquerel, 1 Rue d'Amiens, 76000, Rouen Cedex, France
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21
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Patil VM, Pande N, Chandrasekharan A, M C, Tonse R, Krishnatry R, Goda JS, Dsouza H, Vallathol DH, Chakraborty S, Gupta T, Jalali R. Shadow study: randomized comparison of clinic with video follow-up in glioma undergoing adjuvant temozolomide therapy. CNS Oncol 2018; 7:CNS14. [PMID: 29708400 PMCID: PMC5977274 DOI: 10.2217/cns-2017-0024] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Aim: This study was designed with a primary objective to study the rate of agreement in treatment plan and decisions between video follow-up (VF) and conventional clinic follow-up (CF). Patients & methods: Adult patients with intermediate- to high-grade glioma on adjuvant temozolomide (TMZ) with facilities for live video call were invited to participate in the study. Results: The concurrence in decision of administering TMZ between VF and CF was 100% (p < 0.00). The median cost incurred in VF was US$58.15 while that incurred in CF was US$131.23 (p < 0.00). Conclusion: VF can substitute CF during adjuvant TMZ administration (CTRI/2017/01/007626).
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Affiliation(s)
- Vijay M Patil
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, India
| | - Nikhil Pande
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, India
| | | | - Chandrakanth M
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, India
| | - Raees Tonse
- Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, India
| | - Rahul Krishnatry
- Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, India
| | - Jayant S Goda
- Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, India
| | - Hollis Dsouza
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, India
| | | | | | - Tejpal Gupta
- Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, India
| | - Rakesh Jalali
- Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, India
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22
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Lin AJ, Campian JL, Hui C, Rudra S, Rao YJ, Thotala D, Hallahan D, Huang J. Impact of concurrent versus adjuvant chemotherapy on the severity and duration of lymphopenia in glioma patients treated with radiation therapy. J Neurooncol 2017; 136:403-411. [PMID: 29143923 DOI: 10.1007/s11060-017-2668-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 11/11/2017] [Indexed: 11/24/2022]
Abstract
Prolonged severe lymphopenia has been shown to persist beyond a year in glioma patients after radiation therapy (RT) with concurrent and adjuvant chemotherapy. This study examines the differential impact of concurrent versus adjuvant chemotherapy on lymphopenia after RT. WHO grade II-III glioma patients who received RT with concurrent and/or adjuvant chemotherapy from 2007 to 2016 were retrospectively analyzed. Concurrent chemotherapy was temozolomide (TMZ), and adjuvant chemotherapy was either TMZ or procarbazine/lomustine/vincristine (PCV). Absolute lymphocyte count (ALC) was analyzed at baseline, 1.5, 3, 6, and 12 months after the start of RT. Univariable and multivariable logistic regression were used to identify the clinical variables in predicting acute or late lymphopenia. There were 151 patients with evaluable ALC: 91 received concurrent and adjuvant TMZ (CRT + ADJ), 32 received only concurrent TMZ (CRT), and 28 received only adjuvant TMZ or PCV (ADJ). There were 9 (10%) versus 6 (19%) versus 0 (0%) cases of grade 3 lymphopenia (ALC < 500/mm3) at 6 weeks and 4 (6%) versus 0 (0%) versus 3 (17%) cases at 12 months in CRT + ADJ, CRT and ADJ groups, respectively. On multivariable analyses, concurrent chemotherapy (odds ratio [OR] 72.3, p < 0.001), female sex (OR 10.8, p < 0.001), and older age (OR 1.06, p = 0.002) were the most significant predictors for any grade ≥ 1 lymphopenia (ALC < 1000/mm3) at 1.5 months. Older age (OR 1.08, p = 0.02) and duration of adjuvant chemotherapy (OR 1.19, p = 0.003) were significantly associated with grade ≥ 1 lymphopenia at 12 months. Thus, concurrent chemotherapy appears as the dominant contributor to the severity of acute lymphopenia after RT in WHO grade II-III glioma patients, and duration of adjuvant chemotherapy appears as the key factor to prolonged lymphopenia.
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Affiliation(s)
- Alexander J Lin
- Department of Radiation Oncology, Center for Advanced Medicine, Washington University School of Medicine, 4921 Parkview Place, Campus Box #8224, St. Louis, MO, 63110, USA
| | - Jian L Campian
- Department of Medicine, Division of Oncology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Caressa Hui
- Department of Radiation Oncology, Center for Advanced Medicine, Washington University School of Medicine, 4921 Parkview Place, Campus Box #8224, St. Louis, MO, 63110, USA
| | - Soumon Rudra
- Department of Radiation Oncology, Center for Advanced Medicine, Washington University School of Medicine, 4921 Parkview Place, Campus Box #8224, St. Louis, MO, 63110, USA
| | - Yuan J Rao
- Department of Radiation Oncology, Center for Advanced Medicine, Washington University School of Medicine, 4921 Parkview Place, Campus Box #8224, St. Louis, MO, 63110, USA
| | - Dinesh Thotala
- Department of Radiation Oncology, Center for Advanced Medicine, Washington University School of Medicine, 4921 Parkview Place, Campus Box #8224, St. Louis, MO, 63110, USA
| | - Dennis Hallahan
- Department of Radiation Oncology, Center for Advanced Medicine, Washington University School of Medicine, 4921 Parkview Place, Campus Box #8224, St. Louis, MO, 63110, USA
| | - Jiayi Huang
- Department of Radiation Oncology, Center for Advanced Medicine, Washington University School of Medicine, 4921 Parkview Place, Campus Box #8224, St. Louis, MO, 63110, USA.
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23
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Dasgupta A, Gupta T, Jalali R. Indian data on central nervous tumors: A summary of published work. South Asian J Cancer 2016; 5:147-53. [PMID: 27606302 PMCID: PMC4991137 DOI: 10.4103/2278-330x.187589] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Tumors of the central nervous system (CNS) constitute approximately 2% of all malignancies. Although relatively rare, the associated morbidity and mortality and the significant proportion of affected young and middle-aged individuals has a major bearing on the death-adjusted life years compared to other malignancies. CNS tumors encompass a very broad spectrum with regards to age, location, histology, and clinical outcomes. Advances in diagnostic imaging, surgical techniques, radiotherapy equipment, and generation of newer chemotherapeutic and targeted agents over the past few years have helped improving treatment outcome. Further insights into the molecular pathways leading to the development of tumors made in the past decade are being incorporated into routine clinical practice. Several focused groups within India have been working on a range of topics related to CNS tumors, and a significant body of work from India, in the recent years, is being increasingly recognized throughout the world. The present article summarizes key published work with particular emphasis on gliomas and medulloblastoma, the two commonly encountered tumors.
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Affiliation(s)
- Archya Dasgupta
- Department of Radiation Oncology, Neuro-Oncology Group, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Tejpal Gupta
- Department of Radiation Oncology, Neuro-Oncology Group, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Rakesh Jalali
- Department of Radiation Oncology, Neuro-Oncology Group, Tata Memorial Hospital, Mumbai, Maharashtra, India
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24
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Buglione M, Pedretti S, Poliani PL, Liserre R, Gipponi S, Spena G, Borghetti P, Pegurri L, Saiani F, Spiazzi L, Tesini G, Uccelli C, Triggiani L, Magrini SM. Pattern of relapse of glioblastoma multiforme treated with radical radio-chemotherapy: Could a margin reduction be proposed? J Neurooncol 2016; 128:303-12. [PMID: 27025858 DOI: 10.1007/s11060-016-2112-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Accepted: 03/23/2016] [Indexed: 11/25/2022]
Abstract
To analyse the pattern of recurrence of patients treated with Stupp protocol in relation to technique, to compare in silico plans with reduced margin (1 cm) with the original ones and to analyse toxicity. 105 patients were treated: 85 had local recurrence and 68 of them were analysed. Recurrence was considered in field, marginal and distant if >80 %, 20-80 % or <20 % of the relapse volume was included in the 95 %-isodose. In silico plans were retrospectively recalculated using the same technique, fields angles and treatment planning system of the original ones. The pattern of recurrence was in field, marginal and distant in 88, 10 and 2 % respectively and was similar in in silico plans. The margin reduction appears to spare 100 cc of healthy brain by 57 Gy-volume (p = 0.02). The target coverage was worse in standard plans (pt student < 0.001), especially if the tumour was near to organs at risk (pχ2 < 0.001). PTV coverage was better with IMRT and helical-IMRT, than conformal-3D (pAnova test = 0.038). This difference was no more significant with in silico planning. A higher incidence of asthenia and leuko-encephalopathy was observed in patients with greater percentage of healthy brain included in 57 Gy-volume. No differences in the pattern of recurrence according to margins were found. The margin reduction determines sparing of healthy brain and could possibly reduce the incidence of late toxicity. Margin reduction could allow to use less sophisticated techniques, ensuring appropriate target coverage, and the choice of more costly techniques could be reserved to selected cases.
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Affiliation(s)
- Michela Buglione
- Radiation Oncology Department, University and Spedali Civili, P.le Spedali Civili 1, Brescia, Italy.
| | - Sara Pedretti
- Radiation Oncology Department, University and Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Pietro Luigi Poliani
- Pathology Department, University and Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Roberto Liserre
- Neuroradiology Department, University and Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Stefano Gipponi
- Neurology Department, University and Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Giannantonio Spena
- Neurosurgery Department, University and Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Paolo Borghetti
- Radiation Oncology Department, University and Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Ludovica Pegurri
- Radiation Oncology Department, University and Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Federica Saiani
- Medical Physics Department, Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Luigi Spiazzi
- Medical Physics Department, Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Giulia Tesini
- Medical Physics Department, Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Chiara Uccelli
- Medical Physics Department, Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Luca Triggiani
- Radiation Oncology Department, University and Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
| | - Stefano Maria Magrini
- Radiation Oncology Department, University and Spedali Civili, P.le Spedali Civili 1, Brescia, Italy
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25
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Clinical and Dosimetric Predictors of Acute Severe Lymphopenia During Radiation Therapy and Concurrent Temozolomide for High-Grade Glioma. Int J Radiat Oncol Biol Phys 2015; 92:1000-1007. [DOI: 10.1016/j.ijrobp.2015.04.005] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Revised: 03/26/2015] [Accepted: 04/02/2015] [Indexed: 11/23/2022]
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