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Torelli N, Bicker Y, Marc L, Fabiano S, Unkelbach J. A new approach to combined proton-photon therapy for metastatic cancer patients. Phys Med Biol 2024; 69:145008. [PMID: 38942008 DOI: 10.1088/1361-6560/ad5d48] [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: 03/15/2024] [Accepted: 06/28/2024] [Indexed: 06/30/2024]
Abstract
Objective.Proton therapy is a limited resource and is typically not available to metastatic cancer patients. Combined proton-photon therapy (CPPT), where most fractions are delivered with photons and only few with protons, represents an approach to distribute proton resources over a larger patient population. In this study, we consider stereotactic radiotherapy of multiple brain or liver metastases, and develop an approach to optimally take advantage of a single proton fraction by optimizing the proton and photon dose contributions to each individual metastasis.Approach.CPPT treatments must balance two competing goals: (1) deliver a larger dose in the proton fractions to reduce integral dose, and (2) fractionate the dose in the normal tissue between metastases, which requires using the photon fractions. Such CPPT treatments are generated by simultaneously optimizing intensity modulated proton therapy (IMPT) and intensity modulated radiotherapy (IMRT) plans based on their cumulative biologically effective dose (BEDα/β). The dose contributions of the proton and photon fractions to each individual metastasis are handled as additional optimization variables in the optimization problem. The method is demonstrated for two patients with 29 and 30 brain metastases, and two patients with 4 and 3 liver metastases.Main results.Optimized CPPT plans increase the proton dose contribution to most of the metastases, while using photons to fractionate the dose around metastases which are large or located close to critical structures. On average, the optimized CPPT plans reduce the mean brain BED2by 29% and the mean liver BED4by 42% compared to IMRT-only plans. Thereby, the CPPT plans approach the dosimetric quality of IMPT-only plans, for which the mean brain BED2and mean liver BED4are reduced by 28% and 58%, respectively, compared to IMRT-only plans.Significance.CPPT with optimized proton and photon dose contributions to individual metastases may benefit selected metastatic cancer patients without tying up major proton resources.
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Affiliation(s)
- Nathan Torelli
- Department of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Yves Bicker
- Department of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Louise Marc
- Department of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Silvia Fabiano
- Department of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Jan Unkelbach
- Department of Radiation Oncology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
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Deek MP, Van der Eecken K, Sutera P, Deek RA, Fonteyne V, Mendes AA, Decaestecker K, Kiess AP, Lumen N, Phillips R, De Bruycker A, Mishra M, Rana Z, Molitoris J, Lambert B, Delrue L, Wang H, Lowe K, Verbeke S, Van Dorpe J, Bultijnck R, Villeirs G, De Man K, Ameye F, Song DY, DeWeese T, Paller CJ, Feng FY, Wyatt A, Pienta KJ, Diehn M, Bentzen SM, Joniau S, Vanhaverbeke F, De Meerleer G, Antonarakis ES, Lotan TL, Berlin A, Siva S, Ost P, Tran PT. Long-Term Outcomes and Genetic Predictors of Response to Metastasis-Directed Therapy Versus Observation in Oligometastatic Prostate Cancer: Analysis of STOMP and ORIOLE Trials. J Clin Oncol 2022; 40:3377-3382. [PMID: 36001857 PMCID: PMC10166371 DOI: 10.1200/jco.22.00644] [Citation(s) in RCA: 85] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/02/2022] [Accepted: 07/21/2022] [Indexed: 11/20/2022] Open
Abstract
Clinical trials frequently include multiple end points that mature at different times. The initial report, typically based on the primary end point, may be published when key planned co-primary or secondary analyses are not yet available. Clinical Trial Updates provide an opportunity to disseminate additional results from studies, published in JCO or elsewhere, for which the primary end point has already been reported.The initial STOMP and ORIOLE trial reports suggested that metastasis-directed therapy (MDT) in oligometastatic castration-sensitive prostate cancer (omCSPC) was associated with improved treatment outcomes. Here, we present long-term outcomes of MDT in omCSPC by pooling STOMP and ORIOLE and assess the ability of a high-risk mutational signature to risk stratify outcomes after MDT. The primary end point was progression-free survival (PFS) calculated using the Kaplan-Meier method. High-risk mutations were defined as pathogenic somatic mutations within ATM, BRCA1/2, Rb1, or TP53. The median follow-up for the whole group was 52.5 months. Median PFS was prolonged with MDT compared with observation (pooled hazard ratio [HR], 0.44; 95% CI, 0.29 to 0.66; P value < .001), with the largest benefit of MDT in patients with a high-risk mutation (HR high-risk, 0.05; HR no high-risk, 0.42; P value for interaction: .12). Within the MDT cohort, the PFS was 13.4 months in those without a high-risk mutation, compared with 7.5 months in those with a high-risk mutation (HR, 0.53; 95% CI, 0.25 to 1.11; P = .09). Long-term outcomes from the only two randomized trials in omCSPC suggest a sustained clinical benefit to MDT over observation. A high-risk mutational signature may help risk stratify treatment outcomes after MDT.
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Affiliation(s)
- Matthew P. Deek
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, NJ
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Kim Van der Eecken
- Department of Pathology and Human Structure and Repair, University of Ghent, Ghent, Belgium
| | - Philip Sutera
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Rebecca A. Deek
- Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Valérie Fonteyne
- Department of Radiation Oncology, Ghent University Hospital, Ghent, Belgium
| | - Adrianna A. Mendes
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD
| | | | - Ana Ponce Kiess
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Nicolaas Lumen
- Department of Radiation Oncology, Ghent University Hospital, Ghent, Belgium
| | - Ryan Phillips
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN
| | | | - Mark Mishra
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
| | - Zaker Rana
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
| | - Jason Molitoris
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
| | - Bieke Lambert
- Department of Radiology and Nuclear Medicine, Ghent University, and Department of Nuclear Medicine, AZ Maria-Middelares Ghent, Belgium
| | - Louke Delrue
- Department of Radiology, Ghent University Hospital, Ghent, Belgium
| | - Hailun Wang
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Kathryn Lowe
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Sofie Verbeke
- Department of Pathology, Ghent University Hospital, Ghent, Belgium
| | - Jo Van Dorpe
- Department of Pathology, Ghent University Hospital, Ghent, Belgium
| | - Renée Bultijnck
- Department of Urology, Ghent University Hospital, Ghent, Belgium
| | - Geert Villeirs
- Department of Radiology and Nuclear Medicine, Ghent University, and Department of Nuclear Medicine, AZ Maria-Middelares Ghent, Belgium
| | - Kathia De Man
- Department of Nuclear Medicine, Ghent University Hospital, Ghent, Belgium
| | - Filip Ameye
- Department of Urology, AZ Maria-Middelares Ghent, Ghent, Belgium
| | - Daniel Y. Song
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Theodore DeWeese
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Channing J. Paller
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Felix Y. Feng
- Departments of Medicine, Urology and Radiation Oncology, UCSF, San Francisco, CA
| | - Alexander Wyatt
- Department of Urologic Sciences, University of British Columbia, and Vancouver Prostate Centre, Vancouver, Canada
| | - Kenneth J. Pienta
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD
| | - Maximillian Diehn
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA
| | - Soren M. Bentzen
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
- Department of Epidemiology & Public Health, University of Maryland School of Medicine, Baltimore, MD
| | - Steven Joniau
- Department of Urology, Catholic University Leuven, Leuven, Belgium
| | | | - Gert De Meerleer
- Department of Radiation Oncology, Catholic University Leuven, Leuven, Belgium
| | | | - Tamara L. Lotan
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Alejandro Berlin
- Department of Radiation Oncology, Princess Margaret Cancer Center, Toronto, Canada
| | - Shankar Siva
- Department of Radiation Oncology, Peter MacCallum Cancer Center, Melbourne Australia
| | - Piet Ost
- Department of Radiation Oncology, Iridium Network, Antwerp, Belgium
- Department of Human Structure and Repair, Ghent University, Ghent, Belgium
| | - Phuoc T. Tran
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD
- James Buchanan Brady Urological Institute, Johns Hopkins School of Medicine, Baltimore, MD
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MRI-guided Radiotherapy (MRgRT) for treatment of Oligometastases: Review of clinical applications and challenges. Int J Radiat Oncol Biol Phys 2022; 114:950-967. [PMID: 35901978 DOI: 10.1016/j.ijrobp.2022.07.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 11/23/2022]
Abstract
PURPOSE Early clinical results on the application of magnetic resonance imaging (MRI) coupled with a linear accelerator to deliver MR-guided radiation therapy (MRgRT) have demonstrated feasibility for safe delivery of stereotactic body radiotherapy (SBRT) in treatment of oligometastatic disease. Here we set out to review the clinical evidence and challenges associated with MRgRT in this setting. METHODS AND MATERIALS We performed a systematic review of the literature pertaining to clinical experiences and trials on the use of MRgRT primarily for the treatment of oligometastatic cancers. We reviewed the opportunities and challenges associated with the use of MRgRT. RESULTS Benefits of MRgRT pertaining to superior soft-tissue contrast, real-time imaging and gating, and online adaptive radiotherapy facilitate safe and effective dose escalation to oligometastatic tumors while simultaneously sparing surrounding healthy tissues. Challenges concerning further need for clinical evidence and technical considerations related to planning, delivery, quality assurance (QA) of hypofractionated doses, and safety in the MRI environment must be considered. CONCLUSIONS The promising early indications of safety and effectiveness of MRgRT for SBRT-based treatment of oligometastatic disease in multiple treatment locations should lead to further clinical evidence to demonstrate the benefit of this technology.
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Zhang X, Yang DY, Wang C, Huang L. Characteristics of stereotactic radiotherapy clinical trials registered on ClinicalTrials.gov. Transl Cancer Res 2022; 10:4316-4326. [PMID: 35116290 PMCID: PMC8797335 DOI: 10.21037/tcr-21-1189] [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: 07/05/2021] [Accepted: 09/14/2021] [Indexed: 11/25/2022]
Abstract
Background We aim to analyze the characteristics of stereotactic radiotherapy trials registered on ClinicalTrials.gov, and to compare completed and stopped early trials to identify predictors of trial failure. Methods All interventional stereotactic radiotherapy trials registered on ClinicalTrials.gov before Dec 31, 2019 were downloaded. Trial characteristics over time and between different regions were compared by Chi-square test. Binary logistic regression was used to explore characteristics associated with trials stopped early. Results A total of 760 trials were included. A higher proportion of trials were about lung cancer (20.4%), prostate cancer (14.7%) and central nervous system (14.6%). Most trials were phase1 and/or 2 trials (63.0%), single group (62.4%), nonrandomized (71.7%), open-label (95.0%) and single center (75.8%). The median sample size was 40 (0–1,716). Only 15.1% and 13.5% were funded by industry and National Institutes of Health (NIH), respectively. 15.4% stopped early with status includes “suspended”, “terminated” and “withdrawn”. Of the 113 “completed” trials, only 28 were published on PubMed. Compared with 2010 to 2014, trials from 2015 to 2019 were more likely to be randomized (20.0% vs. 34.4%; P=0.001), with 2 study arms (27.1% vs. 42.1%; P=0.002), industry-funded (11.0% vs. 19.1%; P=0.028) and conducted in Asia (7.6% to 15.8%; P=0.002). Trials from North America were more oriented toward phase 1 research (24.4% vs. 6.1% for Europe and 6.5% for Asia, P<0.001), nonrandomized (77.7% vs. 56.8% for Europe and 64.1% for Asia, P<0.001). Trials from Asia were more likely to have recruiting status (56.5% vs. 45.5% for Europe and 43.6% for North America, P<0.001). Multivariate regression analysis showed that randomized (OR 8.090, P=0.001), and enrollment patients ≤50 (OR 3.813, P<0.001) were associated with trials stopped early. Conclusions Stereotactic radiotherapy trials are predominantly early-phase, small, single arm, nonrandomized and open label. Trials with randomized allocation or enrollment patients ≤50 were more likely to stop early.
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Affiliation(s)
- Xin Zhang
- Department of Radiation Oncology, Chongqing University Cancer Hospital, Chongqing, China
| | - Ding-Yi Yang
- Department of Radiation Oncology, Chongqing University Cancer Hospital, Chongqing, China
| | - Can Wang
- Department of Radiation Oncology, Chongqing University Cancer Hospital, Chongqing, China
| | - Luo Huang
- Department of Radiation Oncology, Chongqing University Cancer Hospital, Chongqing, China
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Hama Y, Tate E. Superparamagnetic iron oxide-enhanced MRI-guided stereotactic ablative radiation therapy for liver metastasis. Rep Pract Oncol Radiother 2021; 26:470-474. [PMID: 34277103 PMCID: PMC8281898 DOI: 10.5603/rpor.a2021.0052] [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: 09/19/2021] [Accepted: 02/23/2021] [Indexed: 11/25/2022] Open
Abstract
Background MRI-guided radiation therapy can image a target and irradiate it at the same time. Superparamagnetic iron oxide (SPIO) is a liver-specific contrast agent that can selectively visualize liver tumors, even if plain MRI does not depict them. The purpose of this study was to present a proof of concept of SPIO-enhanced MRI-guided radiation therapy for liver tumor. Case presentation MRI-guided stereotactic ablative radiation therapy (SABR) was planned for a patient with impaired renal function who developed liver metastases after nephroureterectomy for ureteral cancer. Because liver metastasis was not visualized on plain MRI, SPIO-enhanced MRI was performed at 0.35 T using true fast imaging with steady-state free precession (true FISP) pulse sequence and SABR was performed. Liver metastasis was clearly visualized by SPIO-enhanced MRI, and MRI-guided SABR was performed without adverse events. Conclusion Even if liver metastasis is not visualized by plain MRI, liver metastasis can be clearly depicted by administering SPIO, and MRI-guided radiation therapy can be performed.
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Affiliation(s)
- Yukihiro Hama
- Department of Radiation Oncology, Tokyo-Edogawa Cancer Centre, Edogawa Hospital, Tokyo, Japan
| | - Etsuko Tate
- Department of Radiation Oncology, Tokyo-Edogawa Cancer Centre, Edogawa Hospital, Tokyo, Japan
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Cuccia F, Rigo M, Gurrera D, Nicosia L, Mazzola R, Figlia V, Giaj-Levra N, Ricchetti F, Attinà G, Pastorello E, De Simone A, Naccarato S, Sicignano G, Ruggieri R, Alongi F. Mitigation on bowel loops daily variations by 1.5-T MR-guided daily-adaptive SBRT for abdomino-pelvic lymph-nodal oligometastases. J Cancer Res Clin Oncol 2021; 147:3269-3277. [PMID: 34268583 DOI: 10.1007/s00432-021-03739-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 06/30/2021] [Indexed: 11/27/2022]
Abstract
PURPOSE We report preliminary dosimetric data concerning the use of 1.5-T MR-guided daily-adaptive radiotherapy for abdomino-pelvic lymph-nodal oligometastases. We aimed to assess the impact of this technology on mitigating daily variations for both target coverage and organs-at-risk (OARs) sparing. METHODS A total of 150 sessions for 30 oligometastases in 23 patients were analyzed. All patients were treated with MR-guided stereotactic body radiotherapy (SBRT) for a total dose of 35 Gy in five fractions. For each fraction, a quantitative analysis was performed for PTV volume, V35Gy and Dmean. Similarly, for OARs, we assessed daily variations of volume, Dmean, Dmax. Any potential statistically significant change between baseline planning and daily-adaptive sessions was assessed using the Wilcoxon signed-rank test, assuming a p value < 0.05 as significant. RESULTS Average baseline PTV, bowel, bladder, and single intestinal loop volumes were respectively 8.9 cc (range 0.7-41.2 cc), 1176 cc (119-3654 cc), 95 cc (39.7-202.9 cc), 18.3 cc (9.1-37.7 cc). No significant volume variations were detected for PTV (p = 0.21) bowel (p = 0.36), bladder (p = 0.47), except for single intestinal loops, which resulted smaller (p = 0.026). Average baseline V35Gy and Dmean for PTV were respectively 85.6% (72-98.8%) and 35.6 Gy (34.6-36.1 Gy). We recorded a slightly positive trend in favor of daily-adaptive strategy vs baseline planning for improved target coverage, although not reaching statistical significance (p = 0.11 and p = 0.18 for PTV-V35Gy and PTV-Dmean). Concerning OARs, a significant difference was observed in favor of daily-adapted treatments in terms of single intestinal loop Dmax [23.05 Gy (13.2-26.9 Gy) at baseline vs 20.5 Gy (12.1-24 Gy); p value = 0.0377] and Dmean [14.4 Gy (6.5-18 Gy) at baseline vs 13.0 Gy (6.7-17.6 Gy); p value = 0.0003]. Specifically for bladder, the average Dmax was 18.6 Gy (0.4-34.3 Gy) at baseline vs 18.3 Gy (0.7-34.3 Gy) for a p value = 0.28; the average Dmean was 7.0 Gy (0.2-16.6 Gy) at baseline vs 6.98 Gy (0.2-16.4 Gy) for a p value = 0.66. Concerning the bowel, no differences in terms of Dmean [4.78 Gy (1.3-10.9 Gy) vs 5.6 Gy (1.4-10.5 Gy); p value = 0.23] were observed between after daily-adapted sessions. A statistically significant difference was observed for bowel Dmax [26.4 Gy (7.7-34 Gy) vs 25.8 Gy (7.8-33.1 Gy); p value = 0.0086]. CONCLUSIONS Daily-adaptive MR-guided SBRT reported a significantly improved single intestinal loop sparing for lymph-nodal oligometastases. Also, bowel Dmax was significantly reduced with daily-adaptive strategy. A minor advantage was also reported in terms of PTV coverage, although not statistically significant.
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Affiliation(s)
- Francesco Cuccia
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Michele Rigo
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Davide Gurrera
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Luca Nicosia
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy.
| | - Rosario Mazzola
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Vanessa Figlia
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Niccolò Giaj-Levra
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Francesco Ricchetti
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Giorgio Attinà
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Edoardo Pastorello
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Antonio De Simone
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Stefania Naccarato
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Gianluisa Sicignano
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Ruggero Ruggieri
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy
| | - Filippo Alongi
- Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, VR, Italy.,University of Brescia, Brescia, Italy
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Autrusseau PA, Cazzato RL, Koch G, Ramamurthy N, Auloge P, De Marini P, Lipsker D, Gangi A, Garnon J. Freezing Nodal Disease: Local Control Following Percutaneous Image-Guided Cryoablation of Locoregional and Distant Lymph Node Oligometastases: A 10-Year, Single-Center Experience. J Vasc Interv Radiol 2021; 32:1435-1444. [PMID: 34271190 DOI: 10.1016/j.jvir.2021.07.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 06/23/2021] [Accepted: 07/05/2021] [Indexed: 10/20/2022] Open
Abstract
PURPOSE To retrospectively assess the technical feasibility, safety, and oncologic outcomes of percutaneous image-guided cryoablation (PCA) of locoregional and distant lymph node metastases (LNMs). METHODS All consecutive patients undergoing PCA of LNMs between February 2009 and December 2019 were identified using a retrospective database search. Every patient was followed up at 1, 3, 6, and 12 months after treatment using contrast-enhanced magnetic resonance imaging and at approximately 3-6-month intervals using computed tomography or positron emission tomography-computed tomography. The Kaplan-Meier method was used to calculate local tumor progression-free survival, disease-free survival, and overall survival. Locoregional and distant groups were compared using the Fisher test. Technical success, technique efficacy, complications, and oncologic outcomes were analyzed. RESULTS Fifty-six metachronous oligometastatic LNMs (median size, 15 mm [interquartile range, 13-15 mm; range, 9-36 mm]) were treated in 37 sessions in 29 patients and defined as locoregional (26/37 sessions) or distant (11/37 sessions). Seventeen patients had undergone prior surgery or radiotherapy. Six patients underwent 8 retreatments for locoregional progression. An additional visceral oligometastasis was treated in 4 of the 11 distant LNM PCA sessions. The technical success and primary technique efficacy rates were 100%. The complication rate was 5.4% (2 transient nerve palsies). At a median follow-up of 23 months, there were 2 instances of local tumor progression (5.6%); the 1-, 2-, and 3-year local tumor progression-free survival was 100%, 94.3%, and 94.3%, respectively. Thirteen (45%) patients demonstrated no disease progression. The 1-, 2-, and 3-year overall survival was 96.2%, 90.5%, and 70%, respectively. The patients were free from systemic oncologic therapy following 20 (54%) sessions, with a mean treatment break of 19.1 months. CONCLUSIONS The PCA of lymph node oligometastases is feasible and safe, and offers promising local tumor control at midterm follow-up.
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Affiliation(s)
- Pierre-Alexis Autrusseau
- Service d'Imagerie Interventionnelle, Hôpitaux Universitaires de Strasbourg, Strasbourg, France.
| | - Roberto Luigi Cazzato
- Service d'Imagerie Interventionnelle, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Guillaume Koch
- Service d'Imagerie Interventionnelle, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Nitin Ramamurthy
- Department of Radiology, University Hospital Monklands, NHS Lanarkshire, Airdrie, United Kingdom
| | - Pierre Auloge
- Service d'Imagerie Interventionnelle, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Pierre De Marini
- Service d'Imagerie Interventionnelle, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Dan Lipsker
- Service de dermatologie et d'oncodermatologie, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Afshin Gangi
- Service d'Imagerie Interventionnelle, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Julien Garnon
- Service d'Imagerie Interventionnelle, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
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Gutiontov SI, Pitroda SP, Weichselbaum RR. Oligometastasis: Past, Present, Future. Int J Radiat Oncol Biol Phys 2021; 108:530-538. [PMID: 32976785 DOI: 10.1016/j.ijrobp.2020.02.019] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/05/2020] [Accepted: 02/09/2020] [Indexed: 01/12/2023]
Abstract
In this review, we discuss the oligometastatic state, with a focus on its current and future relevance within the field of radiation therapy. We first outline the scope of the problem and the evolving understanding of metastatic disease existing along a spectrum. We then transition to a discussion of the clinical data that led to the formulation of the oligometastatic hypothesis, delving in some detail into the clinical factors associated with improved outcomes in the setting of local therapy-whether surgical or radiotherapeutic. In particular, we highlight the marked limitations of using clinical criteria alone to determine the absence or presence of true extracranial oligometastatic disease. After this, we briefly discuss the radiation therapy literature that has recently demonstrated benefits in cancer-specific outcomes with ablative treatment of oligometastatic disease. We emphasize data in the setting of non-small cell lung cancer and prostate cancer and briefly discuss the importance of our enhanced ability to detect occult metastatic disease with improved imaging technologies. After noting that resulted and ongoing prospective trials of ablative radiation therapy use the most rudimentary of oligometastatic classifiers-number of metastases-as their inclusion criteria, we transition to our core argument: a growing body of preclinical and translational work aims to refine the definition of oligometastatic disease using molecular features. We address genomic, epigenetic, and immunologic features that have, across histology, demonstrated an improved ability to prognosticate when combined with classic clinical correlates of oligometastatic disease. We also discuss studies that suggest particular molecular targets which, when manipulated for therapeutic purposes, have the potential to revert the polymetastatic phenotype to the oligometastatic one. We conclude with what we believe are the repercussions of this work for radiation therapy trials and clinical practice, and the importance of enriching and supporting these inquiries for the future of our field.
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Affiliation(s)
- Stanley I Gutiontov
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, Illinois
| | - Sean P Pitroda
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, Illinois
| | - Ralph R Weichselbaum
- Department of Radiation and Cellular Oncology, University of Chicago, Chicago, Illinois.
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Pons-Tostivint E, Alouani E, Kirova Y, Dalenc F, Vaysse C. Is there a role for locoregional treatment of the primary tumor in de novo metastatic breast cancer in the era of tailored therapies?: Evidences, unresolved questions and a practical algorithm. Crit Rev Oncol Hematol 2020; 157:103146. [PMID: 33227574 DOI: 10.1016/j.critrevonc.2020.103146] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 10/28/2020] [Accepted: 10/29/2020] [Indexed: 12/22/2022] Open
Abstract
Improvements in systemic therapies have changed the face of de novo metastatic breast cancer (dnMBC), with a 5-year survival rate exceeding 25 %. Increasing evidence suggests that a subset of patients could benefit from a locoregional treatment (LRT) with prolonged survival, although the diversity of publications on the subject make it difficult to draw any conclusions. In this review, we summarize the available data on retrospective, prospective and current ongoing clinical trials. Since factors such as tumor biology, pattern of metastatic dissemination and the timing of the treatment are closely linked to the therapeutic strategy, we focus on papers which include these aspects. We discuss recent studies indicating that exclusive radiotherapy provides results comparable with those obtained by surgery. We will then discuss the biological rationale for LRT. Finally, we propose a decision-tree to select the optimal candidates for LRT in dnMBC patients.
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Affiliation(s)
- E Pons-Tostivint
- Medical Oncology Department, Claudius Regaud Institute, IUCT-Oncopole, Toulouse, France.
| | - E Alouani
- Medical Oncology Department, Claudius Regaud Institute, IUCT-Oncopole, Toulouse, France
| | - Y Kirova
- Department of Radiation Therapy, Institut Curie, Paris, France
| | - F Dalenc
- Medical Oncology Department, Claudius Regaud Institute, IUCT-Oncopole, Toulouse, France
| | - C Vaysse
- Surgical Department, Toulouse University Hospital Center (CHU Toulouse), IUCT-Oncopole, 31000, Toulouse, France
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