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Ribeiro LM, Bomtempo FF, Rocha RB, Telles JPM, Neto EB, Figueiredo EG. Development and adaptations of the Graded Prognostic Assessment (GPA) scale: a systematic review. Clin Exp Metastasis 2023; 40:445-463. [PMID: 37819546 DOI: 10.1007/s10585-023-10237-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 09/22/2023] [Indexed: 10/13/2023]
Abstract
The Graded Prognostic Assessment (GPA) score has the best accuracy among prognostic scales for patients with brain metastases (BM). A wide range of GPA-derived scales have been established to different types of primary tumor BM. However, there is a high variability between them, and their characteristics have not been described altogether yet. We aim to summarize the features of the existent GPA-derived scales and to compare their predictor factors and their uses in clinical setting. Medline was searched from inception until January 2023 to identify studies related to the development, update, or validation of GPA. The initial search yielded 1,083 results. 16 original studies and 16 validation studies were included, comprising a total of 33,348 patients. 13 different scales were assessed, including: GPA, Diagnosis-Specific GPA, Extracranial Score, Lung-molGPA, Updated Renal GPA, Updated Gastrointestinal GPA, Modified Breast GPA, Integrated Melanoma GPA, Melanoma Mol GPA, Sarcoma GPA, Hepatocellular Carcinoma GPA, Colorectal Cancer GPA, and Uterine Cancer GPA. The most prevalent prognostic predictors were age, Karnofsky Performance Status, number of BM, and presence or absence of extracranial metastases. Treatment modalities consisted of whole brain radiation therapy, stereotactic radiosurgery, surgery, cranial radiotherapy, gamma knife radiosurgery, and BRAF inhibitor therapy. Median survival rates with no treatment and with a specific treatment ranged from 6.1 weeks to 33 months and from 3.1 to 21 months, respectively. Original GPA and GPA-derived scales are valid prognostic tools, but with heterogeneous survival results when compared to each other. More studies are needed to improve scientific evidence of these scales.
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Affiliation(s)
| | | | | | | | - Eliseu Becco Neto
- Division of Neurosurgery, University of São Paulo, São Paulo, Brazil
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Yomo S, Oda K, Oguchi K. Effectiveness of immune checkpoint inhibitors in combination with stereotactic radiosurgery for patients with brain metastases from renal cell carcinoma: inverse probability of treatment weighting using propensity scores. J Neurosurg 2023; 138:1591-1599. [PMID: 36308485 DOI: 10.3171/2022.9.jns221215] [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: 05/21/2022] [Accepted: 09/20/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Stereotactic radiosurgery (SRS) is the mainstay for treating brain metastases (BMs) from renal cell carcinoma (RCC). In recent years, immune checkpoint inhibitors (ICIs) have been applied to metastatic RCC and have contributed to improved outcomes. The authors investigated whether SRS with concurrent ICIs for RCC BM prolongs overall survival (OS) and improves intracranial disease control and whether there are any safety concerns. METHODS Patients who underwent SRS for RCC BMs at the authors' institution between January 2010 and January 2021 were included. Concurrent use of ICIs was defined as no more than 3 months between SRS and ICI administration. The time-to-event analysis of OS and intracranial progression-free survival (IC-PFS) between the groups with and without ICIs (ICI+SRS and SRS, respectively) was performed using inverse probability of treatment weighting (IPTW) based on propensity scores (PSs) to control for selection bias. Four baseline covariates (Karnofsky Performance Scale score, extracranial metastases, hemoglobin, and number of BMs) were selected to calculate PSs. RESULTS In total, 57 patients with 147 RCC BMs were eligible. The median OS for all patients was 9.1 months (95% CI 6.0-18.9 months), and the median IC-PFS was 4.4 months (95% CI 3.1-6.8 months). Twelve patients (21%) received concurrent ICIs. The IPTW-adjusted 1-year OS rates in the ICI+SRS and SRS groups were 66% and 38%, respectively (HR 0.30, 95% C 0.13-0.69; p = 0.005), and the IPTW-adjusted 1-year IC-PFS rates were 52% and 16%, respectively (HR 0.30, 95% CI 0.14-0.62; p = 0.001). Severe tumor hemorrhage (Common Terminology Criteria for Adverse Events [CTCAE] grade 4 or 5) occurred immediately after SRS in 2 patients in the SRS group. CTCAE grade 2 or 3 toxicity was observed in 2 patients in the ICI+SRS group and 5 patients in the SRS group. CONCLUSIONS Although the patient number was small and the analysis preliminary, the present study found that SRS with concurrent ICIs for RCC BM patients prolonged survival and provided durable intracranial disease control, with no apparent increase in treatment-related adverse events.
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Affiliation(s)
- Shoji Yomo
- 1Division of Radiation Oncology, Aizawa Comprehensive Cancer Center, Aizawa Hospital, Matsumoto City, Nagano Prefecture, Japan; and
| | - Kyota Oda
- 1Division of Radiation Oncology, Aizawa Comprehensive Cancer Center, Aizawa Hospital, Matsumoto City, Nagano Prefecture, Japan; and
| | - Kazuhiro Oguchi
- 2Positron Imaging Center, Aizawa Hospital, Matsumoto City, Nagano Prefecture, Japan
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Okuno-Ito R, Yamamoto M, Sato Y, Serizawa T, Kawagishi J, Shuto T, Yomo S, Akabane A, Aoyagi K, Kawabe T, Kikuchi Y, Nakasaki K, Gondo M, Higuchi Y, Takebayashi T. Stereotactic radiosurgery results for brain metastasis patients with renal cancer: A validity study of Renal Graded Prognostic Assessment and proposal of a new grading index (JLGK2101 Study). Clin Transl Radiat Oncol 2022; 32:69-75. [PMID: 34984241 PMCID: PMC8693359 DOI: 10.1016/j.ctro.2021.11.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 11/06/2021] [Accepted: 11/07/2021] [Indexed: 01/05/2023] Open
Abstract
Background and purpose The Renal Graded Prognostic Assessment (GPA) is relatively new and has not been sufficiently validated using a different dataset. We thus developed a new grading index, the Renal Brain Metastasis Score (Renal-BMS). Materials and methods Using our dataset including 262 renal cancer patients with brain metastases (BMs) undergoing stereotactic radiosurgery (SRS) (test series), we validity tested the Renal-GPA. Next, we applied clinical factor-survival analysis to the test series and thereby developed the Renal-BMS. This system was then validated using another series of 352 patients independently undergoing SRS at nine gamma knife facilities in Japan (verification series). Results Using the test series, with the Renal-GPA, 95% confidence intervals (CIs) of the post-SRS median survival times (MSTs) overlapped between pairs of neighboring subgroups. Among various pre-SRS clinical factors of the test series, six were highly associated with overall survival. Therefore, we assigned scores for six factors, i.e., "KPS ≥ 80%/<80% (0/3)", "tumor numbers 1-4/≥5 (score; 0/2)", "controlled primary cancer/not (0/2)", "existing extra-cerebral metastases/not (0/3)", "blood hemoglobin ≥ 11.0/<11.0 g/dl (0/1)" and "interval from primary cancer to SRS ≥ 5/<5 years (0/1)". Patients were categorized into three subgroups according to the sum of scores, i.e., 0-4, 5-8 and 9-12. In the test and verification series, post-SRS MSTs differed significantly (p < 0.0001) with no overlaps of 95% CIs among the three subgroups. Conclusions The Renal BMS has the potential to be very useful to physicians selecting among aggressive treatment modalities for renal cancer patients with BMs.
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Affiliation(s)
- Rena Okuno-Ito
- Department of Preventive Medicine and Public Health, Keio University School of Medicine, Tokyo, Japan
| | - Masaaki Yamamoto
- Katsuta Hospital Mito GammaHouse, Hitachi-naka, Japan.,Department of Neurosurgery, Southern Tohoku Hospital, Koriyama, Japan.,Department of Neurosurgery, Tokyo Women's Medical University Medical Centre East, Tokyo, Japan
| | - Yasunori Sato
- Department of Preventive Medicine and Public Health, Keio University School of Medicine, Tokyo, Japan
| | - Toru Serizawa
- Tokyo Gamma Unit Centre, Tsukiji Neurological Clinic, Tokyo, Japan
| | - Jun Kawagishi
- Jiro Suzuki Memorial Gamma House, Furukawa Seiryo Hospital, Osaki, Japan
| | - Takashi Shuto
- Department of Neurosurgery, Yokohama Rosai Hospital, Yokohama, Japan
| | - Shoji Yomo
- Division of Radiation Oncology, Aizawa Comprehensive Cancer Center, Aizawa Hospital, Matsumoto, Japan
| | - Atsuya Akabane
- Gamma Knife Center, NTT Medical Center Tokyo, Tokyo, Japan
| | - Kyoko Aoyagi
- Gamma Knife House, Chiba Cerebral and Cardiovascular Center, Ichihara, Japan
| | - Takuya Kawabe
- Department of Neurosurgery, Kyoto Rakusai Hospital, Japan
| | - Yasuhiro Kikuchi
- Department of Neurosurgery, Southern Tohoku Hospital, Koriyama, Japan
| | - Kiyoshi Nakasaki
- Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Hiroshima, Japan
| | - Masazumi Gondo
- Gamma Center Kagoshima, Atsuchi Neurosurgical Hospital, Kagoshima, Japan
| | - Yoshinori Higuchi
- Department of Neurological Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Toru Takebayashi
- Department of Preventive Medicine and Public Health, Keio University School of Medicine, Tokyo, Japan
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