Rationale and Design for a Multicenter, Phase II Study of Durvalumab Plus Concurrent Radiation Therapy in Locally Advanced Non-Small Cell Lung Cancer: The DOLPHIN Study (WJOG11619L)

Motoko Tachihara, Kayoko Tsujino, Takeaki Ishihara, Hidetoshi Hayashi, Yuki Sato, Takayasu Kurata, Shunichi Sugawara, Isamu Okamoto, Shunsuke Teraoka, Koichi Azuma, Haruko Daga, Masafumi Yamaguchi, Takeshi Kodaira, Miyako Satouchi, Mototsugu Shimokawa, Nobuyuki Yamamoto, Kazuhiko Nakagawa

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Durvalumab (anti-programmed cell death ligand-1) administration after concurrent chemoradiotherapy (cCRT) has improved the survival of patients with unresectable, locally advanced (LA) stage III non-small cell lung cancer (NSCLC). Some patients are unable to complete cCRT and cannot receive immunotherapy due to poor performance status based on adverse events after cCRT. Immunotherapy plays an important role in anti-programmed cell death ligand-1 (PD-L1)-positive advanced NSCLC and is replacing chemotherapy. In addition, radiotherapy and immunotherapy have been reported to have a synergistic effect. This Phase II, multicenter study (DOLPHIN, WJOG11619L, JapicCTI-194840) is designed to assess the efficacy and safety of durvalumab plus concurrent curative radiation therapy for PD-L1-positive unresectable LA-NSCLC without chemotherapy. Unresectable LA stage III NSCLC patients aged 20 years or older with a World Health Organization/Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1 and PD-L1 positivity are enrolled. The patients will receive curative radiation therapy (60 Gy) plus durvalumab 10 mg/kg every 2 weeks (q2w) for up to 12 months until there is evidence of disease progression (PD) or unacceptable toxicity. The primary endpoint is the 12-month progression-free survival rate as assessed by an independent central review. The secondary endpoints are progression-free survival, overall survival, objective response rate, treatment completion rate, and safety. Recruitment began in September 2019.

Original languageEnglish
Pages (from-to)9167-9173
Number of pages7
JournalCancer Management and Research
Volume13
DOIs
Publication statusPublished - 2021

All Science Journal Classification (ASJC) codes

  • Oncology

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