A retrospective multicenter study of carbon-ion radiotherapy for the head and neck cancer except sarcoma (J-CROS1402 HN)

Masashi Koto, Yusuke Demizu, Jun Ichi Saitoh, Hiroaki Suefuji, Hiroshi Tsuji, Tomoaki Okimoto, Tatsuya Ohno, Yoshiyuki Shioyama, Hiroaki Ikawa, Kenji Nemoto, Takashi Nakano, Tadashi Kamada

Research output: Contribution to journalArticle

Abstract

A retrospective multicenter study was conducted to assess the clinical outcomes of carbon-ion radiotherapy for head and neck malignancies(Japan Carbon-Ion Radiation Oncology Study Group[J-CROS] study: 1402 HN). Patients with head and neck malignancies with N0-1M0 status who were treated with carbon-ion RT at four institutions in Japan between November 2003 and December 2014 were analyzed retrospectively. Nine hundred and eight patients were enrolled. Primary sites included the sinonasal cavity in 458 patients(50.4%), choroid in 119(13.1%), oral cavity in 83(9.1%), major salivary gland in 69(7.6%), orbit in 48(5.3%), nasopharynx in 46 (5.1%), and the others in 85(9.4%). Twenty-eight patients(3.1%) had T1 tumors, 59(6.5%) had T2 tumors, 295(32.5%) had T3 tumors, 509(56.1%) had T4 tumors, and 17(1.8%) had unclassified tumors. The disease histologic type was as follows: 387 patients (42.6%) had malignant melanoma, 289 (31.8%) had adenoid cystic carcinoma, 63 (6.9%) had squamous cell carcinoma, 47 (5.2%) had adenocarcinoma, and 122 (13.4%) had others. The median follow-up duration was 28 months. The 3-year and 5-year local control rates were 81% and 74%, respectively. The 3-year and 5-year overall survival rates were 76% and 64%, respectively. Late toxicities of grade 4 or more were observed in 4.4% of the patients. Carbon-ion radiotherapy is one of the promising treatment options for locally advanced head and neck malignancies, particularly radio-resistant tumors such as non-squamous cell carcinomas.

Original languageEnglish
Pages (from-to)362-366
Number of pages5
JournalJapanese Journal of Head and Neck Cancer
Volume43
Issue number3
DOIs
Publication statusPublished - Jan 1 2017

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Heavy Ion Radiotherapy
Head and Neck Neoplasms
Sarcoma
Multicenter Studies
Retrospective Studies
Neoplasms
Neck
Head
Japan
Carbon
Ions
Adenoid Cystic Carcinoma
Radiation Oncology
Choroid
Nasopharynx
Orbit
Salivary Glands
Radio
Mouth
Squamous Cell Carcinoma

All Science Journal Classification (ASJC) codes

  • Otorhinolaryngology
  • Oncology

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A retrospective multicenter study of carbon-ion radiotherapy for the head and neck cancer except sarcoma (J-CROS1402 HN). / Koto, Masashi; Demizu, Yusuke; Saitoh, Jun Ichi; Suefuji, Hiroaki; Tsuji, Hiroshi; Okimoto, Tomoaki; Ohno, Tatsuya; Shioyama, Yoshiyuki; Ikawa, Hiroaki; Nemoto, Kenji; Nakano, Takashi; Kamada, Tadashi.

In: Japanese Journal of Head and Neck Cancer, Vol. 43, No. 3, 01.01.2017, p. 362-366.

Research output: Contribution to journalArticle

Koto, M, Demizu, Y, Saitoh, JI, Suefuji, H, Tsuji, H, Okimoto, T, Ohno, T, Shioyama, Y, Ikawa, H, Nemoto, K, Nakano, T & Kamada, T 2017, 'A retrospective multicenter study of carbon-ion radiotherapy for the head and neck cancer except sarcoma (J-CROS1402 HN)', Japanese Journal of Head and Neck Cancer, vol. 43, no. 3, pp. 362-366. https://doi.org/10.5981/jjhnc.43.362
Koto, Masashi ; Demizu, Yusuke ; Saitoh, Jun Ichi ; Suefuji, Hiroaki ; Tsuji, Hiroshi ; Okimoto, Tomoaki ; Ohno, Tatsuya ; Shioyama, Yoshiyuki ; Ikawa, Hiroaki ; Nemoto, Kenji ; Nakano, Takashi ; Kamada, Tadashi. / A retrospective multicenter study of carbon-ion radiotherapy for the head and neck cancer except sarcoma (J-CROS1402 HN). In: Japanese Journal of Head and Neck Cancer. 2017 ; Vol. 43, No. 3. pp. 362-366.
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