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Dahake SB, Uke A, Luharia A, Luharia M, Mishra GV, Mahakalkar C. Interdisciplinary Approach Toward Reirradiation of Cancer Patients. Cureus 2024; 16:e65750. [PMID: 39211649 PMCID: PMC11361461 DOI: 10.7759/cureus.65750] [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: 05/25/2024] [Accepted: 07/30/2024] [Indexed: 09/04/2024] Open
Abstract
As systemic therapies, alongside radiation, for cancer treatment continue to evolve, the radiation oncology community is facing an increasing number of reirradiation (re-RT) of tumor sites subject to recurrences. There are multiple factors associated with choosing re-RT as a treatment option for a previously irradiated site. The factors include the site of previous radiotherapy (RT), the current extent of the disease, the nature of recurrence, the technique used for previous irradiation, and the previous RT details including dose and dose fractionation. There is a persistent heterogeneity in the workflow and decision-making in cancer care centers worldwide. The current review is an attempt to dive into the practices of decision-making for re-RT, interdisciplinary attention given to the re-RT patients, and acceptable doses to the organ at risk (OAR) deduced from the understanding of previous RT and radiobiology of the tumor and sites evidence of better techniques for effective execution.
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Affiliation(s)
- Shweta B Dahake
- Medical Physics, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Ashish Uke
- Radiotherapy, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Anurag Luharia
- Medical Physics and Radiology, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Monika Luharia
- Siddhant and Samhita, Ayurveda, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Gaurav V Mishra
- Radiodiagnosis, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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Thompson C, Pagett C, Lilley J, Svensson S, Eriksson K, Bokrantz R, Ödén J, Nix M, Murray L, Appelt A. Brain Re-Irradiation Robustly Accounting for Previously Delivered Dose. Cancers (Basel) 2023; 15:3831. [PMID: 37568647 PMCID: PMC10417278 DOI: 10.3390/cancers15153831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/20/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023] Open
Abstract
(1) Background: The STRIDeR (Support Tool for Re-Irradiation Decisions guided by Radiobiology) planning pathway aims to facilitate anatomically appropriate and radiobiologically meaningful re-irradiation (reRT). This work evaluated the STRIDeR pathway for robustness compared to a more conservative manual pathway. (2) Methods: For ten high-grade glioma reRT patient cases, uncertainties were applied and cumulative doses re-summed. Geometric uncertainties of 3, 6 and 9 mm were applied to the background dose, and LQ model robustness was tested using α/β variations (values 1, 2 and 5 Gy) and the linear quadratic linear (LQL) model δ variations (values 0.1 and 0.2). STRIDeR robust optimised plans, incorporating the geometric and α/β uncertainties during optimisation, were also generated. (3) Results: The STRIDeR and manual pathways both achieved clinically acceptable plans in 8/10 cases but with statistically significant improvements in the PTV D98% (p < 0.01) for STRIDeR. Geometric and LQ robustness tests showed comparable robustness within both pathways. STRIDeR plans generated to incorporate uncertainties during optimisation resulted in a superior plan robustness with a minimal impact on PTV dose benefits. (4) Conclusions: Our results indicate that STRIDeR pathway plans achieved a similar robustness to manual pathways with improved PTV doses. Geometric and LQ model uncertainties can be incorporated into the STRIDeR pathway to facilitate robust optimisation.
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Affiliation(s)
- Christopher Thompson
- Leeds Cancer Centre, Department of Medical Physics, Leeds Teaching Hospitals NHS Trust, Leeds LS9 7TF, UK; (C.T.)
| | - Christopher Pagett
- Leeds Cancer Centre, Department of Medical Physics, Leeds Teaching Hospitals NHS Trust, Leeds LS9 7TF, UK; (C.T.)
| | - John Lilley
- Leeds Cancer Centre, Department of Medical Physics, Leeds Teaching Hospitals NHS Trust, Leeds LS9 7TF, UK; (C.T.)
| | | | | | | | - Jakob Ödén
- RaySearch Laboratories, SE-104 30 Stockholm, Sweden
| | - Michael Nix
- Leeds Cancer Centre, Department of Medical Physics, Leeds Teaching Hospitals NHS Trust, Leeds LS9 7TF, UK; (C.T.)
| | - Louise Murray
- Leeds Cancer Centre, Department of Clinical Oncology, Leeds Teaching Hospitals NHS Trust, Leeds LS9 7TF, UK
- Leeds Institute of Medical Research at St James’s, University of Leeds, Leeds LS2 9JT, UK
| | - Ane Appelt
- Leeds Cancer Centre, Department of Medical Physics, Leeds Teaching Hospitals NHS Trust, Leeds LS9 7TF, UK; (C.T.)
- Leeds Institute of Medical Research at St James’s, University of Leeds, Leeds LS2 9JT, UK
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Murray L, Thompson C, Pagett C, Lilley J, Al-Qaisieh B, Svensson S, Eriksson K, Nix M, Aldred M, Aspin L, Gregory S, Appelt A. Treatment plan optimisation for reirradiation. Radiother Oncol 2023; 182:109545. [PMID: 36813170 DOI: 10.1016/j.radonc.2023.109545] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 01/20/2023] [Accepted: 02/03/2023] [Indexed: 02/22/2023]
Abstract
BACKGROUND The STRIDeR (Support Tool for Re-Irradiation Decisions guided by Radiobiology) project aims to create a clinically viable re-irradiation planning pathway within a commercial treatment planning system (TPS). Such a pathway should account for previously delivered dose, voxel-by-voxel, taking fractionation effects, tissue recovery and anatomical changes into account. This work presents the workflow and technical solutions in the STRIDeR pathway. METHODS The pathway was implemented in RayStation (version 9B DTK) to allow an original dose distribution to be used as background dose to guide optimisation of re-irradiation plans. Organ at risk (OAR) planning objectives in equivalent dose in 2 Gy fractions (EQD2) were applied cumulatively across the original and re-irradiation treatments, with optimisation of the re-irradiation plan performed voxel-by-voxel in EQD2. Different approaches to image registration were employed to account for anatomical change. Data from 21 patients who received pelvic Stereotactic Ablative Radiotherapy (SABR) re-irradiation were used to illustrate the use of the STRIDeR workflow. STRIDeR plans were compared to those produced using a standard manual method. RESULTS The STRIDeR pathway resulted in clinically acceptable plans in 20/21 cases. Compared to plans produced using the laborious manual method, less constraint relaxation was required or higher re-irradiation doses could be prescribed in 3/21. CONCLUSION The STRIDeR pathway used background dose to guide radiobiologically meaningful, anatomically-appropriate re-irradiation treatment planning within a commercial TPS. This provides a standardised and transparent approach, offering more informed re-irradiation and improved cumulative OAR dose evaluation.
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Affiliation(s)
- Louise Murray
- Leeds Institute of Medical Research at St James's, University of Leeds, Leeds, UK; Department of Clinical Oncology, Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK.
| | - Christopher Thompson
- Department of Medical Physics, Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Christopher Pagett
- Department of Medical Physics, Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - John Lilley
- Department of Medical Physics, Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Bashar Al-Qaisieh
- Department of Medical Physics, Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | | | | | - Michael Nix
- Department of Medical Physics, Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Michael Aldred
- Department of Medical Physics, Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Lynn Aspin
- Department of Medical Physics, Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Stephen Gregory
- Department of Medical Physics, Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Ane Appelt
- Leeds Institute of Medical Research at St James's, University of Leeds, Leeds, UK; Department of Medical Physics, Leeds Cancer Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
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Ayadi M, Dupuis P, Baudier T, Padovani L, Sarrut D, Sunyach MP. Management of reirradiations: A clinical and technical overview based on a French survey. Phys Med 2023; 109:102582. [PMID: 37080157 DOI: 10.1016/j.ejmp.2023.102582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 03/22/2023] [Accepted: 04/06/2023] [Indexed: 04/22/2023] Open
Abstract
INTRODUCTION The reirradiation number increased due to systemic therapies and patient survival. Few guidelines regarding acceptable cumulative doses to organs at risk (OARs) and appropriate dose accumulation tools need, made reirradiation challenging. The survey objective was to present the French current technical and clinical practices in reirradiations. METHODS A group of physician and physicists developed a survey gathering major issues of the topic. The questionnaire consisted in 4 parts: data collection, demographic, clinical and technical aspects. It was delivered through the SFRO and the SFPM. Data collection lasted 2 months and were gathered to compute statistical analysis. RESULTS 48 institutions answered the survey. Difficulties about patient data collection were related to patient safety, administrative and technical limitations. Half of the institutions discussed reirradiation cases during a multidisciplinary meeting. It mainly aimed at discussing the indication and the new treatment total dose (92%). 79% of the respondents used various references but only 6% of them were specific to reirradiations. Patients with pain and clinical deficit were ranked as best inclusion criteria. 54.2% of the institutions considered OARs recovery, especially for spinal cord and brainstem. A commercial software was used for dose accumulation for 52% of respondents. Almost all institutions performed equivalent dose conversion (94%). A quarter of the institutions estimated not to have the appropriate equipment for reirradiation. CONCLUSION This survey showed the various approaches and tools used in reirradiation management. It highlighted issues in collecting data, and the guidelines necessity for safe practices, to increase clinicians confidence in retreating patients.
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Affiliation(s)
- Myriam Ayadi
- Radiation Therapy Department, Léon Bérard Centre, Lyon, France.
| | - Pauline Dupuis
- Radiation Therapy Department, Léon Bérard Centre, Lyon, France
| | - Thomas Baudier
- Univ Lyon, INSA-Lyon, Université Lyon 1, CNRS, Inserm, Centre Léon Bérard, CREATIS UMR 5220, U1206, F-69373 Lyon, France
| | - Laeticia Padovani
- Radiotherapy Department, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - David Sarrut
- Univ Lyon, INSA-Lyon, Université Lyon 1, CNRS, Inserm, Centre Léon Bérard, CREATIS UMR 5220, U1206, F-69373 Lyon, France
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Chargari C, Escande A, Dupuis P, Thariat J. Reirradiation: A complex situation. Cancer Radiother 2022; 26:911-915. [PMID: 35987812 DOI: 10.1016/j.canrad.2022.06.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 06/17/2022] [Indexed: 10/15/2022]
Abstract
Reirradiation of a tumor recurrence or second cancer in a previously irradiated area is challenging due to lack of high-quality physical, radiobiological, clinical data and inherent substantial risks of toxicity with cumulative dose and uncertain tissue recovery. Yet, major advances have been made in radiotherapy techniques, that have the potential to achieve cure while limiting severe toxicity rates, but still much research is necessary to better appraise the therapeutic index in such a complex situation.
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Affiliation(s)
- C Chargari
- Radiation Oncology, Gustave Roussy Cancer Campus, Villejuif, France.
| | - A Escande
- Département universitaire de radiothérapie, centre Oscar-Lambret, 3, rue Frédéric-Combemale, 59000 Lille, France; Faculté de médecine Henri-Warembourg, université de Lille, 59000 Lille, France; UMR 9189, Centre de recherche en informatique, signal et automatique de Lille (Cristal), 59655 Villeneuve d'Ascq, France
| | - P Dupuis
- Léon Bérard Cancer Center, University of Lyon, 69373 Lyon, France
| | - J Thariat
- Francois Baclesse Cancer center. Laboratoire de Physique Corpusculaire/IN2P3-CNRS UMR 6534-ARCHADE, Unicaen-Université de Normandie, 14000 Caen, France
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