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Published on: February 12, 2017
Administration of docetaxel plus ramucirumab with primary prophylactic pegylated-granulocyte colony-stimulating
Norimitsu Kasahara1, Noriaki Sunaga2, Tomohito Kuwako3
1Innovative Medical Research Center, Gunma University Hospital, Maebashi, Gunma, 371-8511, Japan. m14702016@gunma-u.ac.jp.
Purpose:
Although docetaxel plus ramucirumab has shown superior treatment efficacy over docetaxel monotherapy for patients with non-small cell lung cancer (NSCLC), the high rate of febrile neutropenia (FN) presents a clinical problem. This study aimed to validate the primary prophylactic use of pegfilgrastim with docetaxel and ramucirumab treatment in Japanese patients with NSCLC.
Methods:
Patients with NSCLC with progression after at least one round of chemotherapy were enrolled and administered docetaxel (60 mg/m2) plus ramucirumab (10 mg/kg) intravenously on day 1, followed by pegylated-granulocyte colony-stimulating factor (3.6 mg) on day 2 of a 21-day treatment cycle. The primary study endpoint was the percentage of patients who developed FN. Secondary endpoints included overall survival, progression-free survival, overall response rate, and safety.
Results:
Overall, 20 patients (15 men and 5 women) were enrolled, of whom one developed FN, resulting in an overall FN rate of 5%. The response and disease control rates were 40% and 85%, respectively. The median progression-free survival was 6.6 (95% confidence interval [CI], 0.5-NR) months. The median overall survival was 18.4 (95% CI, 2.2-11.0) months. Six patients aged over 75 years were included in this study, and although most adverse events were durable, ramucirumab-associated adverse events occurred more frequently in these patients.
Conclusions:
We observed a 5% FN rate using primary prophylactic pegylated-granulocyte colony-stimulating factor with docetaxel plus ramucirumab in Japanese patients with NSCLC. While most adverse events were durable, elderly patients should be closely monitored.
