1
|
Harada H, Suefuji H, Mori K, Ishikawa H, Nakamura M, Tokumaru S, Murakami M, Ogino T, Iwata H, Tatebe H, Kubo N, Waki T, Yoshida D, Nakamura M, Hashimoto T, Araya M, Nakajima M, Nakayama H, Satouchi M, Shioyama Y. Proton and carbon ion radiotherapy for operable early-stage lung cancer; a prospective nationwide registry. Radiother Oncol 2024; 198:110385. [PMID: 38901770 DOI: 10.1016/j.radonc.2024.110385] [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: 03/14/2024] [Revised: 06/06/2024] [Accepted: 06/12/2024] [Indexed: 06/22/2024]
Abstract
BACKGROUND AND PURPOSE To investigate the toxicity and survival outcomes of proton and carbon ion radiotherapy for patients with operable early-stage lung cancer who are eligible for lobectomy. MATERIALS AND METHODS This multicenter nationwide prospective cohort study included patients with operable early-stage lung cancer. Proton and carbon ion radiotherapy was performed according to the schedule stipulated in the unified treatment policy. Progression-free survival (PFS), overall survival (OS) and treatment-related toxicities were evaluated. RESULTS A total of 274 patients were enrolled and included in efficacy and safety analyses. The most common tumor type was adenocarcinoma (44 %), while 105 cases (38 %) were not histologically confirmed or diagnosed clinically. Overall, 250 (91 %) of the 274 patients had tumors that were peripherally situated, while 138 (50 %) and 136 (50 %) patients were treated by proton and carbon ion radiotherapy, respectively. The median follow-up time for all censored patients was 42.8 months (IQR 36.7-49.0). Grade 3 or severe treatment-related toxicity was observed in 4 cases (1.5 %). Three-year PFS was 80.5 % (95 % CI: 75.7 %-85.5 %) and OS was 92.5 % (95 % CI: 89.3 %-95.8 %). Pathological confirmation and clinical stage were factors significantly associated with PFS, while tumor location and particle-ion type were not. Meanwhile, clinical stage was significantly associated with OS, but pathological confirmation, tumor location, and particle-ion type were not. CONCLUSIONS Particle therapy for operable early-stage lung cancer resulted in excellent 3-year OS and PFS in each subset. In this disease context, proton and carbon ion beam therapies are feasible alternatives to curative surgery.
Collapse
Affiliation(s)
- Hideyuki Harada
- Radiation and Proton Therapy Center, Shizuoka Cancer Center, Nagaizumi, Shizuoka, Japan.
| | - Hiroaki Suefuji
- Ion Beam Therapy Center, SAGA HIMAT Foundation, Tosu, Saga, Japan.
| | - Keita Mori
- Department of Biostatistics, Clinical Research Support Center, Shizuoka Cancer Center, Nagaizumi, Shizuoka, Japan.
| | - Hitoshi Ishikawa
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Chiba, Japan.
| | - Masaki Nakamura
- Department of Radiation Oncology, National Cancer Center Hospital East, Kashiwa, Chiba, Japan.
| | - Sunao Tokumaru
- Department of Radiology, Hyogo Ion Beam Medical Center, Tatsuno, Hyogo, Japan
| | - Masao Murakami
- Department of Radiation Oncology, Southern TOHOKU Proton Therapy Center, Koriyama, Fukushima, Japan
| | - Takashi Ogino
- Medipolis Proton Therapy and Research Center, Ibusuki, Kagoshima, Japan.
| | - Hiromitsu Iwata
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Aichi, Japan.
| | - Hitoshi Tatebe
- Fukui Prefectural Hospital Proton Therapy Center, Fukui, Fukui, Japan.
| | - Nobuteru Kubo
- Department of Radiation Oncology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Takahiro Waki
- Department of Radiology, Tsuyama Chuo Hospital, Tsuyama, Okayama, Japan
| | | | - Masatoshi Nakamura
- Department of Radiation Oncology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan.
| | - Takayuki Hashimoto
- Global Center for Biomedical Science and Engineering, Faculty of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan.
| | - Masayuki Araya
- Proton Therapy Center, Aizawa Hospital, Matsumoto, Nagano, Japan.
| | - Mio Nakajima
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Chiba, Japan.
| | - Haruhiko Nakayama
- Kanagawa Preventive Medicine Association, Yokohama, Kanagawa, Japan.
| | | | | |
Collapse
|
2
|
Nakajima K, Oguri M, Iwata H, Hattori Y, Hashimoto S, Nomura K, Hayashi K, Toshito T, Akita K, Baba F, Ogino H, Hiwatashi A. Long-term survival outcomes and quality of life of image-guided proton therapy for operable stage I non-small cell lung cancer: A phase 2 study. Radiother Oncol 2024; 196:110276. [PMID: 38614284 DOI: 10.1016/j.radonc.2024.110276] [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: 03/12/2024] [Revised: 04/08/2024] [Accepted: 04/10/2024] [Indexed: 04/15/2024]
Abstract
BACKGROUND AND PURPOSE This study evaluated long-term efficacy, safety, and changes in quality of life (QOL) of patients after image-guided proton therapy (IGPT) for operable stage I non-small cell lung cancer (NSCLC). MATERIALS AND METHODS This single-institutional prospective phase 2 study enrolled patients with operable histologically confirmed stage IA or IB NSCLC (7th edition of UICC). The prescribed dose was 66 Gy relative biological effectiveness equivalents (GyRBE) in 10 fractions for peripheral lesions, or 72.6 GyRBE in 22 fractions for central lesions. The primary endpoint was the 3-year overall survival (OS). The secondary endpoints included disease control, toxicity, and changes in QOL score. RESULTS We enrolled 43 patients (median age: 68 years; range, 47-79 years) between July 2013 to January 2021, of whom 41 (95 %) had peripheral lesions and 27 (63 %) were stage IA. OS, local control, and progression-free survival rates were 95 % (95 % CI: 83-99), 95 % (82-99), and 86 % (72-94), respectively, at 3 years, and 83 % (66-92), 95 % (82-99), and 77 % (60-88), respectively, at 7 years. Four patients (9 %) developed grade 2, and one patient (2 %) developed grade 3 radiation pneumonitis. No other grade 3 or higher adverse events were observed. In the QOL analysis, global QOL remained favorable; however, approximately 40 % of patients reported dyspnea at 3 and 24 months. CONCLUSION Our findings suggest that IGPT provides effective disease control and survival in operable stage I NSCLC, particularly for peripheral lesions. Moreover, toxicity associated with IGPT was minimal, and patients reported favorable QOL.
Collapse
Affiliation(s)
- Koichiro Nakajima
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan.
| | - Masanosuke Oguri
- Department of Radiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Hiromitsu Iwata
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Yukiko Hattori
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Shingo Hashimoto
- Department of Radiation Oncology, Aichi Cancer Center Hospital, Nagoya, Japan
| | - Kento Nomura
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Kensuke Hayashi
- Department of Proton Therapy Technology, Nagoya Proton Therapy Center, Nagoya, Japan
| | - Toshiyuki Toshito
- Department of Proton Therapy Physics, Nagoya Proton Therapy Center, Nagoya, Japan
| | - Kenji Akita
- Department of Respiratory Medicine, Thoracic Oncology Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Fumiya Baba
- Department of Radiotherapy, Nagoya City University West Medical Center, Nagoya, Japan
| | - Hiroyuki Ogino
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Akio Hiwatashi
- Department of Radiology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| |
Collapse
|
3
|
Endo M. Creation, evolution, and future challenges of ion beam therapy from a medical physicist's viewpoint (Part 3): Chapter 3. Clinical research, Chapter 4. Future challenges, Chapter 5. Discussion, and Conclusion. Radiol Phys Technol 2023; 16:443-470. [PMID: 37882992 DOI: 10.1007/s12194-023-00748-9] [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: 05/26/2023] [Revised: 10/03/2023] [Accepted: 10/04/2023] [Indexed: 10/27/2023]
Abstract
Clinical studies of ion beam therapy have been performed at the Lawrence Berkeley Laboratory (LBL), National Institute of Radiological Sciences (NIRS), Gesellschaft für Schwerionenforschung (GSI), and Deutsches Krebsforschungszentrum (DKFZ), in addition to the development of equipment, biophysical models, and treatment planning systems. Although cancers, including brain tumors and pancreatic cancer, have been treated with the Bevalac's neon-ion beam at the LBL (where the first clinical research was conducted), insufficient results were obtained owing to the limited availability of neon-ion beams and immaturity of related technologies. However, the 184-Inch Cyclotron's helium-ion beam yielded promising results for chordomas and chondrosarcomas at the base of the skull. Using carbon-ion beams, NIRS has conducted clinical trials for the treatment of common cancers for which radiotherapy is indicated. Because better results than X-ray therapy results have been obtained for lung, liver, pancreas, and prostate cancers, as well as pelvic recurrences of rectal cancer, the Japanese government recently approved the use of public medical insurance for carbon-ion radiotherapy, except for lung cancer. GSI obtained better results than LBL for bone and soft tissue tumors, owing to dose enhancement enabled by scanning irradiation. In addition, DKFZ compared treatment results of proton and carbon-ion radiotherapy for these tumors. This article summarizes a series of articles (Parts 1-3) and describes future issues of immune ion beam therapy and linear energy transfer optimization.
Collapse
Affiliation(s)
- Masahiro Endo
- Association for Nuclear Technology in Medicine, Nikkei Bldg., 7-16 Nihombashi-Kodemmacho, Chuo-ku, Tokyo, 103-0001, Japan.
| |
Collapse
|
4
|
Sakane T, Nakajima K, Iwata H, Nakano T, Hagui E, Oguri M, Nomura K, Hattori Y, Ogino H, Haneda H. Lobectomy versus proton therapy for stage I non-small cell lung cancer. J Thorac Cardiovasc Surg 2023; 166:1490-1501.e2. [PMID: 37625619 DOI: 10.1016/j.jtcvs.2023.08.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/02/2023] [Accepted: 08/13/2023] [Indexed: 08/27/2023]
Abstract
OBJECTIVE Lobectomy is the standard treatment for patients with early-stage non-small cell lung cancer (NSCLC). In recent years, an increasing number of patients with lung cancer have been treated using proton therapy (PT). We conducted a propensity score-matched analysis to compare the treatment outcomes of these 2 modalities. METHODS We retrospectively reviewed data from 275 patients with histologically confirmed clinical stage I NSCLC who underwent lobectomy (n = 206) or PT (n = 69) at our institution from July 2013 to December 2020. The end points were overall survival (OS), cause-specific survival, recurrence-free survival (RFS), local control, regional lymph node control, and distant control. Propensity score matching was performed to reduce selection bias in the 2 groups. RESULTS The matched cohort consisted of 59 patients who underwent lobectomy and 59 patients who underwent PT with a median follow-up period of 50 months. There were no significant differences in OS (P = .26), cause-specific survival (P = .33), RFS (P = .53), local control (P = .41), regional lymph node control (P = .98), and distant control (P = .31). In the lobectomy and PT groups, the 5-year OS rate was 85.8% and 79.1%, respectively, the RFS rate was 82.3% and 77.8%, and the local control rate was 92.1% and 96.6%. CONCLUSIONS We found no difference in survival or disease control between lobectomy and PT in patients with histologically confirmed clinical stage I NSCLC. Despite these findings, the potential for unmeasured confounding factors remains, and randomized control trials are needed to better compare these treatment modalities.
Collapse
Affiliation(s)
- Tadashi Sakane
- Department of Thoracic Surgery, Nagoya City University West Medical Center, Nagoya, Japan.
| | - Koichiro Nakajima
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Hiromitsu Iwata
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Tomoharu Nakano
- Department of Thoracic Surgery, Nagoya City University West Medical Center, Nagoya, Japan
| | - Emi Hagui
- Department of Thoracic Surgery, Nagoya City University West Medical Center, Nagoya, Japan
| | - Masanosuke Oguri
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Kento Nomura
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Yukiko Hattori
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Hiroyuki Ogino
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Hiroshi Haneda
- Department of Thoracic Surgery, Nagoya City University West Medical Center, Nagoya, Japan
| |
Collapse
|
5
|
Nakamura M, Kageyama SI, Hirata H, Tochinai T, Hojo H, Motegi A, Kanai A, Suzuki Y, Tsuchihara K, Akimoto T. Detection of Pretreatment Circulating Tumor DNA Predicts Recurrence after High-Dose Proton Beam Therapy for Early-Stage Non-Small Cell Lung Cancer. Int J Radiat Oncol Biol Phys 2023:S0360-3016(23)00166-9. [PMID: 36822372 DOI: 10.1016/j.ijrobp.2023.02.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 02/07/2023] [Accepted: 02/10/2023] [Indexed: 02/23/2023]
Affiliation(s)
- Masaki Nakamura
- Department of Radiation Oncology, National Cancer Center Hospital East, Chiba, Japan; Division of Particle Therapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Chiba, Japan.
| | - Shun-Ichiro Kageyama
- Department of Radiation Oncology, National Cancer Center Hospital East, Chiba, Japan; Division of Particle Therapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Chiba, Japan
| | - Hidenari Hirata
- Department of Radiation Oncology, National Cancer Center Hospital East, Chiba, Japan; Division of Particle Therapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Chiba, Japan
| | - Taku Tochinai
- Department of Radiological Technology, National Cancer Center Hospital East, Chiba, Japan
| | - Hidehiro Hojo
- Department of Radiation Oncology, National Cancer Center Hospital East, Chiba, Japan; Division of Particle Therapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Chiba, Japan
| | - Atsushi Motegi
- Department of Radiation Oncology, National Cancer Center Hospital East, Chiba, Japan; Division of Particle Therapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Chiba, Japan
| | - Akinori Kanai
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, University of Tokyo, Chiba, Japan
| | - Yutaka Suzuki
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, University of Tokyo, Chiba, Japan
| | - Katsuya Tsuchihara
- Division of Translational Informatics, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Chiba, Japan
| | - Tetsuo Akimoto
- Department of Radiation Oncology, National Cancer Center Hospital East, Chiba, Japan; Division of Particle Therapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Chiba, Japan
| |
Collapse
|
6
|
Seo YS, Park WY, Kim SW, Kim D, Min BJ, Kim WD. Virtual randomized study comparing lobectomy and particle beam therapy for clinical stage IA non-small cell lung cancer in operable patients. JOURNAL OF RADIATION RESEARCH 2021; 62:884-893. [PMID: 34218277 PMCID: PMC8438263 DOI: 10.1093/jrr/rrab060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 04/30/2021] [Indexed: 06/13/2023]
Abstract
To the best of our knowledge there have been no randomized controlled trials comparing lobectomy-a standard treatment for patients with early-stage non-small cell lung cancer (NSCLC)-and particle beam therapy (PBT), the best performing existing radiotherapy. We conducted a virtual randomized trial in medically operable patients with stage IA NSCLC to compare lobectomy and PBT effectiveness. A Markov model was developed to predict life expectancy after lobectomy and PBT in a cohort of patients with stage IA NSCLC. Ten thousand virtual patients were randomly assigned to each group. Sensitivity analyses were performed as model variables and scenarios changed to determine which treatment strategy was best for improving life expectancy. All estimated model parameters were determined using variables extracted from a systematic literature review of previously published articles. The preferred strategy differed depending on patient age. In young patients, lobectomy showed better life expectancy than that of PBT. The difference in life expectancy between lobectomy and PBT was statistically insignificant in older patients. Our model predicted lobectomy as the preferred strategy when operative mortality was under 5%. However, the preferred strategy changed to PBT if operative mortality post lobectomy was over 5%. For medically operable patients with stage IA NSCLC, our Markov model revealed the preferred strategy of lobectomy or PBT regarding operative mortality changed with varying age and comorbidity. Until randomized controlled trial results become available, we hope the current results will provide a rationale background for clinicians to decide treatment modalities for patients with stage IA NSCLC.
Collapse
Affiliation(s)
- Young-Seok Seo
- Department of Radiation Oncology, Chungbuk National University Hospital, Cheongju 28644, Korea
| | - Woo-Yoon Park
- Department of Radiation Oncology, Chungbuk National University Hospital, College of Medicine, Chungbuk National University, Cheongju 28644, Korea
| | - Si-Wook Kim
- Department of Thoracic and Cardiovascular Surgery, Chungbuk National University Hospital, College of Medicine, Chungbuk National University, Cheongju 28644, Korea
| | - Dohun Kim
- Department of Thoracic and Cardiovascular Surgery, Chungbuk National University Hospital, College of Medicine, Chungbuk National University, Cheongju 28644, Korea
| | - Byung Jun Min
- Corresponding authors: Byung Jun Min, PhD, Department of Radiation Oncology, Chungbuk National University Hospital, Cheongju 28644, Korea. Phone: +82-43-269-6213, Fax: +82-43-269-6208, E-mail: ; Won-Dong Kim, MD, PhD, Department of Radiation Oncology, Chungbuk National University Hospital, College of Medicine, Chungbuk National University, Cheongju 28644, Korea. Phone: +82-43-269-6212, Fax: +82-43-269-6208, E-mail:
| | - Won-Dong Kim
- Corresponding authors: Byung Jun Min, PhD, Department of Radiation Oncology, Chungbuk National University Hospital, Cheongju 28644, Korea. Phone: +82-43-269-6213, Fax: +82-43-269-6208, E-mail: ; Won-Dong Kim, MD, PhD, Department of Radiation Oncology, Chungbuk National University Hospital, College of Medicine, Chungbuk National University, Cheongju 28644, Korea. Phone: +82-43-269-6212, Fax: +82-43-269-6208, E-mail:
| |
Collapse
|
7
|
Dosimetry, Efficacy, Safety, and Cost-Effectiveness of Proton Therapy for Non-Small Cell Lung Cancer. Cancers (Basel) 2021; 13:cancers13184545. [PMID: 34572772 PMCID: PMC8465697 DOI: 10.3390/cancers13184545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 09/04/2021] [Accepted: 09/07/2021] [Indexed: 12/24/2022] Open
Abstract
Non-small cell lung cancer (NSCLC) is the most common malignancy which requires radiotherapy (RT) as an important part of its multimodality treatment. With the advent of the novel irradiation technique, the clinical outcome of NSCLC patients who receive RT has been dramatically improved. The emergence of proton therapy, which allows for a sharper dose of build-up and drop-off compared to photon therapy, has potentially improved clinical outcomes of NSCLC. Dosimetry studies have indicated that proton therapy can significantly reduce the doses for normal organs, especially the lung, heart, and esophagus while maintaining similar robust target volume coverage in both early and advanced NSCLC compared with photon therapy. However, to date, most studies have been single-arm and concluded no significant changes in the efficacy for early-stage NSCLC by proton therapy over stereotactic body radiation therapy (SBRT). The results of proton therapy for advanced NSCLC in these studies were promising, with improved clinical outcomes and reduced toxicities compared with historical photon therapy data. However, these studies were also mainly single-arm and lacked a direct comparison between the two therapies. Currently, there is much emerging evidence focusing on dosimetry, efficacy, safety, and cost-effectiveness of proton therapy for NSCLC that has been published, however, a comprehensive review comparing these therapies is, to date, lacking. Thus, this review focuses on these aspects of proton therapy for NSCLC.
Collapse
|
8
|
The Risk Factors for Radiation Pneumonitis After Single-Fraction Carbon-Ion Radiotherapy for Lung Cancer or Metastasis. Cancers (Basel) 2021; 13:cancers13133229. [PMID: 34203485 PMCID: PMC8267739 DOI: 10.3390/cancers13133229] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/21/2021] [Accepted: 06/25/2021] [Indexed: 12/09/2022] Open
Abstract
Simple Summary There was no reports about the risk factors of high dose single-fraction carbon-ion radiotherapy. Although there were only small number of patients with symptomatic radiation pneumonitis after this treatment, we showed that the risk factors of radiation pneumonitis include the dose–volume parameter. Abstract There are no studies on the risk factors of radiation pneumonitis (RP) after carbon-ion radiotherapy at a dose of 50 Gy (relative biological effectiveness (RBE)) in a single fraction. The objective of this study was to identify factors associated with RP after radiotherapy, including dose–volume parameters. Ninety-eight patients without a history of thoracic radiotherapy who underwent treatment for solitary lung tumors between July 2013 and April 2016 were retrospectively analyzed. Treatment was planned using Xio-N. The median follow-up duration was 53 months, and the median clinical target volume was 32.3 mL. Three patients developed grade 2 RP, and one patient developed grade 3 interstitial pneumonitis. None of the patients developed grade 4 or 5 RP. The dose-volume parameters of the normal lung irradiated at least with 5–30 Gy (RBE), and the mean lung dose was significantly lower in patients with grade 0–1 RP than in those with grade 2–3 RP. Pretreatment with higher SP-D and interstitial pneumonitis were significant factors for the occurrence of symptomatic RP. The present study showed a certain standard for single-fraction carbon-ion radiotherapy that does not increase the risk of RP; however, further validation studies are needed.
Collapse
|
9
|
Paganetti H, Grassberger C, Sharp GC. Physics of Particle Beam and Hypofractionated Beam Delivery in NSCLC. Semin Radiat Oncol 2021; 31:162-169. [PMID: 33610274 PMCID: PMC7905707 DOI: 10.1016/j.semradonc.2020.11.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The dosimetric advantages of particle therapy lead to significantly reduced integral dose to normal tissues, making it an attractive treatment option for body sites such as the thorax. With reduced normal tissue dose comes the potential for dose escalation, toxicity reduction, or hypofractionation. While proton and heavy ion therapy have been used extensively for NSCLC, there are challenges in planning and delivery compared with X-ray-based radiation therapy. Particularly, range uncertainties compounded by breathing motion have to be considered. This article summarizes the current state of particle therapy for NSCLC with a specific focus on the impact of dosimetric uncertainties in planning and delivery.
Collapse
Affiliation(s)
- Harald Paganetti
- Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA.
| | - Clemens Grassberger
- Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Gregory C Sharp
- Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| |
Collapse
|
10
|
Aibe N, Ogino H, Teramukai S, Yamazaki H, Iwata H, Matsuo Y, Okimoto T, Murakami M, Suzuki M, Arimura T, Ogino T, Murayama S, Harada H, Nakamura M, Akimoto T, Sakurai H. Multi-Institutional Retrospective Analysis of the Outcomes of Proton Beam Therapy for Patients With 1 to 3 Pulmonary Oligometastases From Various Primary Cancers. Adv Radiat Oncol 2021; 6:100690. [PMID: 34159280 PMCID: PMC8193372 DOI: 10.1016/j.adro.2021.100690] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 02/20/2021] [Accepted: 02/24/2021] [Indexed: 11/10/2022] Open
Abstract
Purpose Our purpose was to evaluate the efficacy of proton beam therapy (PBT) in patients with 1 to 3 pulmonary oligometastases from various primary cancers in Japan. Methods and Materials This multi-institutional retrospective survey included 118 patients with 141 metastatic lung tumors from miscellaneous primary cancers, across 6 Japanese institutions, and involved the analyses of local progression-free rate (LPF), distant progression-free rate, progression-free survival rate, cause-specific survival rate, and overall survival rate (OS). Treatment-induced adverse effects of grade ≥2 were evaluated according to the Common Terminology Criteria for Adverse Events (version 4.0). Cox proportional hazards regression models were used in univariable analysis and multivariable analysis (MVA) for the identification of the prognostic factors of LPF and OS. Results The median follow-up duration from the time of PBT was 25.5 months. The major primary disease sites included colorectal cancer (42.4%), lung cancer (11.9%), head and neck cancer (8.5%), and kidney cancer (8.5%). For years 1, 2, and 3, LPFs were 92.2%, 86.3%, and 78.4%; distant progression-free rates were 59.1%, 44.1%, and 34.0%; progression-free survival rates were 49.6%, 31.7%, and 24.2%; cause-specific survival rates were 83.4%, 72.5%, and 64.8%; and OS rates were 79.0%, 67.8%, and 59.6%, respectively. Eight patients developed acute adverse effects (grade ≥2). Ten patients developed radiation pneumonitis (grade 2) as a late adverse effect. None of the patients developed severe late toxicity (grade ≥3). Colorectal cancer as the primary disease was the only prognostic factor associated with LPF that remained independently significant in the MVAs performed using 3 sets of parameters (hazard ratio [HR], 3.31-4.76 in 3 MVA sets). In the MVA, the significant prognostic factors for OS were performance status (HR, 2.78; 95% confidence interval, 1.01-7.67) and total tumor volume (HR, 1.01; 95% confidence interval, 1.00-1.02). Conclusions PBT provides promising outcomes for pulmonary oligometastasis with acceptable toxicities.
Collapse
Affiliation(s)
- Norihiro Aibe
- Department of Radiology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hiroyuki Ogino
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City West Medical Center, Nagoya, Japan
| | - Satoshi Teramukai
- Department of Biostatistics, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hideya Yamazaki
- Department of Radiology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hiromitsu Iwata
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City West Medical Center, Nagoya, Japan
| | - Yoshiro Matsuo
- Department of Radiology, Hyogo Ion Beam Medical Center, Hyogo, Japan
| | - Tomoaki Okimoto
- Department of Radiology, Hyogo Ion Beam Medical Center, Hyogo, Japan
| | - Masao Murakami
- Department of Radiation Oncology, Southern Tohoku Proton Therapy Center, Fukushima, Japan
| | - Motohisa Suzuki
- Department of Radiation Oncology, Southern Tohoku Proton Therapy Center, Fukushima, Japan
| | - Takeshi Arimura
- Medipolis Proton Therapy and Research Center, Ibusuki, Japan
| | - Takashi Ogino
- Medipolis Proton Therapy and Research Center, Ibusuki, Japan
| | | | - Hideyuki Harada
- Division of Radiation Therapy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Masaki Nakamura
- Division of Radiation Oncology and Particle Therapy, National Cancer Center Hospital East, Kashiwa, Japan
| | - Tetsuo Akimoto
- Division of Radiation Oncology and Particle Therapy, National Cancer Center Hospital East, Kashiwa, Japan
| | - Hideyuki Sakurai
- Department of Radiation Oncology, University of Tsukuba, Ibaraki, Japan
| |
Collapse
|
11
|
Ono T, Yamamoto N, Nomoto A, Nakajima M, Isozaki Y, Kasuya G, Ishikawa H, Nemoto K, Tsuji H. Long Term Results of Single-Fraction Carbon-Ion Radiotherapy for Non-small Cell Lung Cancer. Cancers (Basel) 2020; 13:cancers13010112. [PMID: 33396455 PMCID: PMC7795673 DOI: 10.3390/cancers13010112] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/24/2020] [Accepted: 12/28/2020] [Indexed: 12/25/2022] Open
Abstract
Simple Summary There were no reports on long-term results of single-fraction passive carbon-ion radiotherapy in patients with early-stage non-small cell lung cancer. We showed that this treatment was not inferior compared to stereotactic body radiotherapy or proton beam therapy with no ≥grade 2 pneumonitis. This study suggests that single-fraction passive carbon-ion radiotherapy can serve as an alternate treatment for patients with early-stage non-small cell lung cancer, especially in medically inoperable patients. Abstract Background: The purpose of the present study was to evaluate the efficacy and safety of single-fraction carbon-ion radiotherapy (CIRT) in patients with non-small cell lung cancer. Methods: Patients with histologically confirmed non-small cell lung cancer, stage T1-2N0M0, and treated with single-fraction CIRT (50Gy (relative biological effectiveness)) between June 2011 and April 2016 were identified in our database and retrospectively analyzed. Toxicity was evaluated using the Common Terminology Criteria for Adverse Events version 4.0. Results: The study included 57 patients, 22 (38.6%) of whom had inoperable cancer. The median age was 75 years (range: 42–94 years), and the median follow-up time was 61 months (range: 6–97 months). The 3- and 5-year overall survival rates were 91.2% and 81.7%, respectively. All survivors were followed up for more than three years. The 3- and 5-year local control rates were 96.4% and 91.8%, respectively. No case of ≥ grade 2 pneumonitis was recorded. Conclusions: This study suggests that single-fraction CIRT for T1-2N0M0 non-small cell lung cancer patients is feasible and can be considered as one of the treatment choices, especially in medically inoperable patients.
Collapse
Affiliation(s)
- Takashi Ono
- Department of Radiation Oncology, QST Hospital, 4-9-1 Anagawa, Inage-ku, Chiba-shi, Chiba 263-8555, Japan; (N.Y.); (A.N.); (M.N.); (Y.I.); (G.K.); (H.I.); (H.T.)
- Department of Radiation Oncology, Faculty of Medicine, Yamagata University, 2-2-2, Iida-Nishi, Yamagata 990-9585, Japan;
- Correspondence: ; Tel.: +81-43-206-3181; Fax: +81-43-206-3188
| | - Naoyoshi Yamamoto
- Department of Radiation Oncology, QST Hospital, 4-9-1 Anagawa, Inage-ku, Chiba-shi, Chiba 263-8555, Japan; (N.Y.); (A.N.); (M.N.); (Y.I.); (G.K.); (H.I.); (H.T.)
| | - Akihiro Nomoto
- Department of Radiation Oncology, QST Hospital, 4-9-1 Anagawa, Inage-ku, Chiba-shi, Chiba 263-8555, Japan; (N.Y.); (A.N.); (M.N.); (Y.I.); (G.K.); (H.I.); (H.T.)
| | - Mio Nakajima
- Department of Radiation Oncology, QST Hospital, 4-9-1 Anagawa, Inage-ku, Chiba-shi, Chiba 263-8555, Japan; (N.Y.); (A.N.); (M.N.); (Y.I.); (G.K.); (H.I.); (H.T.)
| | - Yuka Isozaki
- Department of Radiation Oncology, QST Hospital, 4-9-1 Anagawa, Inage-ku, Chiba-shi, Chiba 263-8555, Japan; (N.Y.); (A.N.); (M.N.); (Y.I.); (G.K.); (H.I.); (H.T.)
| | - Goro Kasuya
- Department of Radiation Oncology, QST Hospital, 4-9-1 Anagawa, Inage-ku, Chiba-shi, Chiba 263-8555, Japan; (N.Y.); (A.N.); (M.N.); (Y.I.); (G.K.); (H.I.); (H.T.)
| | - Hitoshi Ishikawa
- Department of Radiation Oncology, QST Hospital, 4-9-1 Anagawa, Inage-ku, Chiba-shi, Chiba 263-8555, Japan; (N.Y.); (A.N.); (M.N.); (Y.I.); (G.K.); (H.I.); (H.T.)
| | - Kenji Nemoto
- Department of Radiation Oncology, Faculty of Medicine, Yamagata University, 2-2-2, Iida-Nishi, Yamagata 990-9585, Japan;
| | - Hiroshi Tsuji
- Department of Radiation Oncology, QST Hospital, 4-9-1 Anagawa, Inage-ku, Chiba-shi, Chiba 263-8555, Japan; (N.Y.); (A.N.); (M.N.); (Y.I.); (G.K.); (H.I.); (H.T.)
| |
Collapse
|