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Komatsu S, Wang T, Terashima K, Demizu Y, Anzai M, Suga M, Yamashita T, Suzuki O, Okimoto T, Sasaki R, Fukumoto T. Innovative Combination Treatment to Expand the Indications of Particle Therapy: Spacer Placement Surgery Using Bio-Absorbable Polyglycolic Acid Spacer. J Am Coll Surg 2024; 238:119-128. [PMID: 37737669 DOI: 10.1097/xcs.0000000000000873] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
BACKGROUND Particle therapy has favorable dose distribution and high curability. However, radiotherapy for malignant tumors adjacent to the gastrointestinal tract is contraindicated owing to its low tolerance. To overcome this, combination treatment with surgery to make a space between the tumor and adjacent gastrointestinal tract followed by particle therapy has been developed. Several materials have been used for the spacer and recently, we developed the absorbable polyglycolic acid (PGA) spacer, which has been used since 2019. This study is the first report of consecutive case series of spacer placement surgery using the PGA spacer. STUDY DESIGN Fifty consecutive patients undergoing spacer placement surgery with the PGA spacer were evaluated. Postoperative laboratory data, morbidity related to the treatment, and spacer volume after treatment were evaluated. RESULTS There were no treatment-related deaths, and all but 2 patients completed combination treatment. The median ratios of postoperative PGA spacer volume to the pretreatment volume were 96.9%, 87.7%, and 74.6% at weeks 2, 4, and 8, respectively. The spacer volume was maintained at 80% at 7 weeks and was predicted to be 50% at 15 weeks and 20% in 24 weeks. CONCLUSIONS Spacer placement surgery using the PGA spacer was feasible and tolerable. The PGA spacers maintained sufficient thickness during the duration of subsequent particle therapy. Combination treatment using the PGA spacer is innovative and has the potential to become a new standard curative local treatment.
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Affiliation(s)
- Shohei Komatsu
- From the Department of Surgery, Divisions of Hepato-Biliary-Pancreatic Surgery (Komatsu, Fukumoto), Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Tianyuan Wang
- Departments of Radiation Physics (Wang, Suga), Hyogo Ion Beam Medical Center, Tatsuno, Hyogo, Japan
| | - Kazuki Terashima
- Radiology (Terashima, Demizu, Okimoto), Hyogo Ion Beam Medical Center, Tatsuno, Hyogo, Japan
| | - Yusuke Demizu
- Radiology (Terashima, Demizu, Okimoto), Hyogo Ion Beam Medical Center, Tatsuno, Hyogo, Japan
- Departments of Radiation Oncology (Demizu), Hyogo Ion Beam Medical Center Kobe Proton Center, Kobe, Hyogo, Japan
| | - Makoto Anzai
- Osaka Heavy Ion Therapy Center, Osaka, Japan (Anzai, Suzuki)
| | - Masaki Suga
- Departments of Radiation Physics (Wang, Suga), Hyogo Ion Beam Medical Center, Tatsuno, Hyogo, Japan
| | - Tomohiro Yamashita
- Radiation Physics (Yamashita), Hyogo Ion Beam Medical Center Kobe Proton Center, Kobe, Hyogo, Japan
| | - Osamu Suzuki
- Osaka Heavy Ion Therapy Center, Osaka, Japan (Anzai, Suzuki)
| | - Tomoaki Okimoto
- Radiology (Terashima, Demizu, Okimoto), Hyogo Ion Beam Medical Center, Tatsuno, Hyogo, Japan
| | - Ryohei Sasaki
- Radiation Oncology (Sasaki), Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Takumi Fukumoto
- From the Department of Surgery, Divisions of Hepato-Biliary-Pancreatic Surgery (Komatsu, Fukumoto), Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
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Fujinaka R, Komatsu S, Terashima K, Demizu Y, Omiya S, Kido M, Toyama H, Tokumaru S, Okimoto T, Fukumoto T. Clinical impact of spacer placement surgery with expanded polytetrafluoroethylene sheet for particle therapy. Radiat Oncol 2023; 18:173. [PMID: 37875956 PMCID: PMC10594906 DOI: 10.1186/s13014-023-02359-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Accepted: 10/07/2023] [Indexed: 10/26/2023] Open
Abstract
BACKGROUND Spacer placement surgery is useful in particle therapy (PT) for patients with abdominopelvic malignant tumors located adjacent to the gastrointestinal tract. This study aimed to assess the safety, efficacy, and long-term outcomes of spacer placement surgery using an expanded polytetrafluoroethylene (ePTFE) spacer. METHODS This study included 131 patients who underwent ePTFE spacer placement surgery and subsequent PT between September 2006 and June 2019. The overall survival (OS) and local control (LC) rates were calculated using Kaplan-Meier method. Spacer-related complications were classified according to the National Cancer Institute Common Terminology Criteria for Adverse Events (version 5.0). RESULTS The median follow-up period after spacer placement surgery was 36.8 months. The 3-year estimated OS and LC rates were 60.5% and 76.5%, respectively. A total of 130 patients (99.2%) were able to complete PT. Spacer-related complications of ≥ grade 3 were observed in four patients (3.1%) in the acute phase and 13 patients (9.9%) in the late phase. Ten patients (7.6%) required removal of the ePTFE spacer. CONCLUSIONS Spacer placement surgery using an ePTFE spacer for abdominopelvic malignant tumors is technically feasible and acceptable for subsequent PT. However, severe spacer-related late complications were observed in some patients. Since long-term placement of a non-absorbable ePTFE spacer is associated with risks for morbidity and infection, careful long-term follow-up and prompt therapeutic intervention are essential when complications associated with the ePTFE spacer occur. TRIAL REGISTRATION retrospectively registered.
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Affiliation(s)
- Ryosuke Fujinaka
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Hyogo, Japan
| | - Shohei Komatsu
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Hyogo, Japan.
| | - Kazuki Terashima
- Department of Radiology, Hyogo Ion Beam Medical Center, 1-2-1 Kouto, Shingu-cho, Tatsuno, 679-5165, Hyogo, Japan
| | - Yusuke Demizu
- Department of Radiology, Hyogo Ion Beam Medical Center, 1-2-1 Kouto, Shingu-cho, Tatsuno, 679-5165, Hyogo, Japan
- Department of Radiation Oncology, Hyogo Ion Beam Medical Center Kobe Proton Center, 1-6-8 Minatojimaminami-machi, Chuo-ku, Kobe, 650-0047, Hyogo, Japan
| | - Satoshi Omiya
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Hyogo, Japan
| | - Masahiro Kido
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Hyogo, Japan
| | - Hirochika Toyama
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Hyogo, Japan
| | - Sunao Tokumaru
- Department of Radiology, Hyogo Ion Beam Medical Center, 1-2-1 Kouto, Shingu-cho, Tatsuno, 679-5165, Hyogo, Japan
| | - Tomoaki Okimoto
- Department of Radiology, Hyogo Ion Beam Medical Center, 1-2-1 Kouto, Shingu-cho, Tatsuno, 679-5165, Hyogo, Japan
| | - Takumi Fukumoto
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Hyogo, Japan
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Yamazaki H, Shibuya K, Kimoto T, Suzuki M, Murakami M, Terashima K, Okimoto T, Iizumi T, Sakurai H, Wakatsuki M, Suzuki O, Katoh N, Arimura T, Ogino T, Takagi M, Araya M, Waki T, Matsumoto S, Ogino H, Fukumoto T, Ohtsuka M. Proton beam therapy for extrahepatic biliary tract cancer: Analysis with prospective multi-institutional patients' registration database, Proton-Net. Clin Transl Radiat Oncol 2023; 41:100634. [PMID: 37234735 PMCID: PMC10206422 DOI: 10.1016/j.ctro.2023.100634] [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: 12/12/2022] [Revised: 04/24/2023] [Accepted: 05/01/2023] [Indexed: 05/28/2023] Open
Abstract
Background and purpose To examine the role of proton beam therapy (PBT) in the treatment of extrahepatic biliary tract cancer (EBC). Methods and materials We analyzed the data accumulated in the Proton-Net database, which prospectively registered all individual patient data treated with PBT in all Japanese proton institutions from May 2016 to June 2019. The primary endpoint was overall survival (OS), and the secondary endpoints were local control (LC), progression-free survival (PFS), and toxicity. Results Ninety-three patients with unresectable and/or recurrent EBC were treated with PBT using a median prescribed dose of 67.5 Gy (RBE) (range, 50-72.6 Gy) in 25 (22-30 fractions). With a median follow-up of 16.3 months, the median survival time was 20.1 months and the 2-year OS was 37.8%. Two-year PFS and LC rates were 20.6% and 66.5%, respectively. Poor liver function (Child-Pugh B, C), a narrower distance between the tumor and digestive tract (2 cm >), and a larger tumor diameter (2 cm <) were identified as poor prognostic factors for OS. PBT-related grade 3 ≤ acute and late adverse events occurred in 5.4% and 4.3% of patients, respectively, including one gastrointestinal late toxicity (duodenal ulcer). Conclusions This is the largest prospectively accumulated series of PBT for EBC, and PBT showed favorable outcomes with acceptable toxicity profiles.
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Affiliation(s)
- Hideya Yamazaki
- Department of Radiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kei Shibuya
- Gunma University Heavy Ion Medical Center, Maebashi, Japan
| | - Takuya Kimoto
- Department of Radiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Motohisa Suzuki
- Department of Radiation Oncology, Southern TOHOKU Proton Therapy Center, Koriyama, Japan
| | - Masao Murakami
- Department of Radiation Oncology, Southern TOHOKU Proton Therapy Center, Koriyama, Japan
| | - Kazuki Terashima
- Department of Radiology, Hyogo Ion Beam Medical Center, Hyogo, Japan
| | - Tomoaki Okimoto
- Department of Radiology, Hyogo Ion Beam Medical Center, Hyogo, Japan
| | - Takashi Iizumi
- Department of Radiation Oncology, Proton Medical Research Center, University of Tsukuba Hospital, Tsukuba, Japan
| | - Hideyuki Sakurai
- Department of Radiation Oncology, Proton Medical Research Center, University of Tsukuba Hospital, Tsukuba, Japan
| | - Masaru Wakatsuki
- QST Hospital, National Institutes for Quantum and Radiological Science and Technology, Chiba, Japan
| | - Osamu Suzuki
- Osaka Heavy Ion Administration Company, Otemae, Chuo-ku, Osaka-city, Osaka, Japan
| | - Norio Katoh
- Department of Radiation Oncology, Hokkaido University Faculty of Medicine, Sapporo, Hokkaido, Japan
| | - Takeshi Arimura
- Medipolis Proton Therapy and Research Center, Ibusuki, Kagoshima, Japan
| | - Takashi Ogino
- Medipolis Proton Therapy and Research Center, Ibusuki, Kagoshima, Japan
| | - Masaru Takagi
- Proton Therapy Center, Sapporo Teishinkai Hospital, Sapporo, Hokkaido, Japan
| | - Masayuki Araya
- Proton Therapy Center, Aizawa Hospital, Matsumoto, Nagano, Japan
| | - Takahiro Waki
- Department of Radiology, Tsuyama Chuo Hospital, Tsuyama, Okayama, Japan
| | - Sae Matsumoto
- Proton Therapy Center, Fukui Prefectural Hospital, Fukui, Fukui, Japan
| | - Hiroyuki Ogino
- Department of Radiation Oncology, Nagoya Proton Therapy Center, Nagoya City University West Medical Center, Nagoya, Japan
| | - Takumi Fukumoto
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Masayuki Ohtsuka
- Department of General Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan
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Ishikawa Y, Morita K, Yamaguchi H, Kato T, Suzuki M, Seto I, Machida M, Takayama K, Tominaga T, Takagawa Y, Nakajima M, Teranishi Y, Kikuchi Y, Murakami M. Proton Beam Therapy With Space-Making Surgery (Omental Plombage) for Oligorecurrent Liver Metastasis of Esophageal Adenocarcinoma. Cureus 2022; 14:e31656. [DOI: 10.7759/cureus.31656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2022] [Indexed: 11/21/2022] Open
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