Published in:
Open Access
01-06-2012 | Original Article
A phase I trial of concurrent chemoradiotherapy with non-split administration of docetaxel and cisplatin for dry stage III non-small-cell lung cancer (JCOG9901DI)
Authors:
Naoya Hida, Hiroaki Okamoto, Yuuki Misumi, Akira Sato, Mari Ishii, Fumihiro Kashizaki, Tsuneo Shimokawa, Teppei Shimizu, Koshiro Watanabe
Published in:
Cancer Chemotherapy and Pharmacology
|
Issue 6/2012
Login to get access
Abstract
Purpose
This study aimed to establish the maximum tolerated dose of concurrent chemoradiotherapy (cCRT) with conventional administration of the docetaxel (D) plus cisplatin (P) (conv-DP) regimen.
Methods
Patients (aged ≤70 years) with unresectable dry stage III non-small-cell lung cancer (NSCLC) and having performance status 0 or 1 and adequate organ function were eligible. They received radiotherapy (60 Gy in 30 fractions) once daily starting on day 2. Concurrent P (day 1; 60 mg/m2 at Levels 1–3, 80 mg/m2 at Level 4) and D (day 1; 30 mg/m2 at Level 1, 40 mg/m2 at Level 2, 50 mg/m2 at Levels 3–4) were administered every 4 weeks for 2–4 courses.
Results
Eighteen patients were enrolled (stage IIIA/IIIB, 5/13 patients). Three cases of dose-limiting toxicity were observed in this study, although another 3 cases were added at Levels 2 and 3. Radiotherapy was completed in 15 patients. Seventeen patients received more than 2 courses of chemotherapy. Neither Grade 3/4 esophagitis nor severe hematological events were observed at Levels 1–4. However, dose escalation to Level 5 (P [80 mg/m2], D [60 mg/m2]) was stopped because the Level 5 dose was the recommended dose (RD) of chemotherapy alone for stage IIIB/IV NSCLC in Japan. Therefore, the RD was determined as D50/P80 mg/m2 in this cCRT. The objective response rate was 89 %, and the median survival time was 23.6 months.
Conclusions
cCRT with non-split DP was a tolerable and effective regimen, and RD was 50/80 mg/m2 every 4 weeks.