Long-Term Follow-Up of JCOG1008, a Randomized Phase II/III Trial of Chemoradiotherapy Comparing 3-Weekly Cisplatin With Weekly Cisplatin in Postoperative Head and Neck Cancer

T Takeshi Kodaira (Aichi Cancer Center Hospital, Nagoya, Japan) Y Yukinori Asada Y Yuji Hirayama (Hyogo Cancer Center, Akashi, Japan) N Naoki Nishio (Department of Otorhinolaryngology, Nagoya University Graduate School of Medicine, Aichi, Japan) A Akira Ohkoshi (Department of Otolaryngology—Head and Neck Surgery, Tohoku University Graduate School of Medicine, Miyagi, Japan) M Masato Nagaoka (Department of Otorhinolaryngology—Head and Neck Surgery, Jikei University School of Medicine, Tokyo, Japan) K Kaoru Tanaka (Kindai University Hospital, Sakai, Japan) Y Yo Kishimoto (Kyoto University, Kyoto, Japan) H Hirokazu Uemura (Nara Medical University, Kashihara, Japan) K Katsunori Katagiri (Iwate Medical University, Shiwa, Japan) Y Yuki Saito J Junki Mizusawa K Kenichi Nakamura (National Cancer Center Hospital, Tokyo, Japan) R Ryuichi Hayashi (National Cancer Center Hospital East, Kashiwa, Japan) A Akihiro Homma (Hokkaido University Hospital, Sapporo, Japan) K Kiyoto Shiga T Takenori Ogawa T Tomoko Yamazaki (Saitama Medical University International Medical Center, Hidaka, Japan) S Shigeyuki Murono (Fukushima Medical University Hospital, Fukushima, Japan) H Hiroshi Nishino H Hiroki Hara (Saitama Cancer Center, Ina, Japan) M Masashi Sugasawa M Makoto Tahara S Seiichi Yoshimoto (National Cancer Center Hospital, Tokyo, Japan) S Shujiro Minami (NHO Tokyo Medical Center, Tokyo, Japan) T Takahiro Asakage (Institute of Science Tokyo Hospital, Tokyo, Japan) E Eiji Shimura H Hiroki Mitani M Mizuo Ando N Nobuhiko Oridate K Kenji Okami (Tokai University School of Medicine, Isehara, Japan) Y Yusuke Onozawa (Shizuoka Cancer Center, Shizuoka, Japan) N Nobuhiro Hanai (Aichi Cancer Center Hospital, Nagoya, Japan) Y Yasushi Fujimoto K Koichi Omori (Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Kyoto University) K Kazuhiko Nakagawa T Takashi Fujii (Department of Electrical and Electronic Engineering, Ritsumeikan University 2 , 1-1-1 Noji-Higashi, Kusatsu, Shiga 525-8577,) N Naomi Kiyota (Department of Medical Oncology and Hematology, Cancer Center, Kobe University Hospital, Hyogo, Japan) S Shigemichi Iwae I Ichiro Ota T Tsutomu Ueda (Hiroshima University Hospital, Hiroshima, Japan) N Nobuya Monden (NHO Shikoku Cancer Center, Matsuyama, Japan)

Abstract

The interim analysis of JCOG1008 demonstrated that chemoradiotherapy with cisplatin 40 mg/m 2 once a week for seven cycles (weekly cisplatin) was noninferior in terms of overall survival (OS) compared with chemoradiotherapy with cisplatin 100 mg/m 2 once every 3 weeks for three cycles (3-weekly cisplatin) for postoperative high-risk locally advanced squamous cell carcinoma of the head and neck (LA-SCCHN). This report presents the long-term follow-up results of JCOG1008. In this phase II/III trial, patients with postoperative high-risk LA-SCCHN were randomly assigned to receive either chemoradiotherapy with 3-weekly cisplatin or with weekly cisplatin. A total of 261 patients were enrolled. At the final analysis, with a median follow-up of 5.6 years, 5-year OS was 58.7% in the 3-weekly arm and 71.2% in the weekly arm (hazard ratio, 0.76 [95% CI, 0.52 to 1.12 [<1.32]]), confirming the noninferiority of the weekly regimen. Both 5-year relapse-free survival (RFS) and 5-year local RFS were numerically better in the weekly arm. No late adverse event showed more than a 10% difference between the two arms. In conclusion, 5-year follow-up confirmed that chemoradiotherapy with weekly cisplatin is noninferior in OS to chemoradiotherapy with 3-weekly cisplatin in patients with postoperative high-risk LA-SCCHN. These results further support the use of weekly cisplatin plus radiotherapy as a reasonable alternative for this patient population.

Article Details

Volume / Issue Vol. 1, Issue 1
Published June 26, 2026
ISSN 0732-183X
Publisher Lippincott Williams & Wilkins

Journal Info

Journal of Clinical Oncology

Lippincott Williams & Wilkins

ISSN: 0732-183X Health Sciences

Authors (42)

T

Takeshi Kodaira

Aichi Cancer Center Hospital, Nagoya, Japan

Y

Yukinori Asada

Y

Yuji Hirayama

Hyogo Cancer Center, Akashi, Japan

N

Naoki Nishio

Department of Otorhinolaryngology, Nagoya University Graduate School of Medicine, Aichi, Japan

A

Akira Ohkoshi

Department of Otolaryngology—Head and Neck Surgery, Tohoku University Graduate School of Medicine, Miyagi, Japan

M

Masato Nagaoka

Department of Otorhinolaryngology—Head and Neck Surgery, Jikei University School of Medicine, Tokyo, Japan

K

Kaoru Tanaka

Kindai University Hospital, Sakai, Japan

Y

Yo Kishimoto

Kyoto University, Kyoto, Japan

H

Hirokazu Uemura

Nara Medical University, Kashihara, Japan

K

Katsunori Katagiri

Iwate Medical University, Shiwa, Japan

Y

Yuki Saito

J

Junki Mizusawa

K

Kenichi Nakamura

National Cancer Center Hospital, Tokyo, Japan

R

Ryuichi Hayashi

National Cancer Center Hospital East, Kashiwa, Japan

A

Akihiro Homma

Hokkaido University Hospital, Sapporo, Japan

K

Kiyoto Shiga

T

Takenori Ogawa

T

Tomoko Yamazaki

Saitama Medical University International Medical Center, Hidaka, Japan

S

Shigeyuki Murono

Fukushima Medical University Hospital, Fukushima, Japan

H

Hiroshi Nishino

H

Hiroki Hara

Saitama Cancer Center, Ina, Japan

M

Masashi Sugasawa

M

Makoto Tahara

S

Seiichi Yoshimoto

National Cancer Center Hospital, Tokyo, Japan

S

Shujiro Minami

NHO Tokyo Medical Center, Tokyo, Japan

T

Takahiro Asakage

Institute of Science Tokyo Hospital, Tokyo, Japan

E

Eiji Shimura

H

Hiroki Mitani

M

Mizuo Ando

N

Nobuhiko Oridate

K

Kenji Okami

Tokai University School of Medicine, Isehara, Japan

Y

Yusuke Onozawa

Shizuoka Cancer Center, Shizuoka, Japan

N

Nobuhiro Hanai

Aichi Cancer Center Hospital, Nagoya, Japan

Y

Yasushi Fujimoto

K

Koichi Omori

Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Kyoto University

K

Kazuhiko Nakagawa

T

Takashi Fujii

Department of Electrical and Electronic Engineering, Ritsumeikan University 2 , 1-1-1 Noji-Higashi, Kusatsu, Shiga 525-8577,

N

Naomi Kiyota

Department of Medical Oncology and Hematology, Cancer Center, Kobe University Hospital, Hyogo, Japan

S

Shigemichi Iwae

I

Ichiro Ota

T

Tsutomu Ueda

Hiroshima University Hospital, Hiroshima, Japan

N

Nobuya Monden

NHO Shikoku Cancer Center, Matsuyama, Japan