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K. Usui
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P3.01 - Poster Session/ Treatment of Advanced Diseases – NSCLC (ID 208)
- Event: WCLC 2015
- Type: Poster
- Track: Treatment of Advanced Diseases - NSCLC
- Presentations: 1
- Moderators:
- Coordinates: 9/09/2015, 09:30 - 17:00, Exhibit Hall (Hall B+C)
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P3.01-056 - Phase II Study of Carboplatin plus Weekly Nab-Paclitaxel in Elderly Patients with NSCLC: North Japan Lung Cancer Study Group Trial 1301 (ID 576)
09:30 - 09:30 | Author(s): K. Usui
- Abstract
Background:
Recent IFCT-0501 trial demonstrated that carboplatin (CBDCA) combined with weekly paclitaxel (PTX) would be advantageous compared with monotherapy. Subsequently, CA031 trial suggested that weekly nab-paclitaxel (nab-PTX) was superior in efficacy and safety compared with 3-weekly PTX when combined with CBDCA. Since the subgroup analysis for elderly patients (pts) in CA031 showed very promising data (34% of overall response rate (ORR) and 8.0 months of progression-free survival (PFS)), we conducted this multicenter, non-randomized, open label, phase II trial to evaluate the efficacy and tolerability of CBDCA plus weekly nab-PTX regimen for elderly patients with advanced non-small cell lung cancer (NSCLC) prospectively.
Methods:
Eligible pts were aged 75 years or older with newly diagnosed clinical stage IIIB, IV, and postoperative recurrence NSCLC; ECOG performance status (PS) of 0-1; adequate organ function; written informed consent. Pts received CBDCA (AUC 6) on day 1 and nab-PTX (75mg/m[2]) on day1, 8, and 15, every 4 weeks. The primary endpoint was ORR and secondary endpoints were PFS, overall survival (OS), and toxicity profile. Assuming that ORR of 40% would be potential usefulness while ORR of 20% would be the lower limit of interest, 32 pts were required.
Results:
Between March 2013 and May 2014, 35 pts were enrolled and 32 pts were eligible. Median age was 78 years (range, 75-86), 84% (27/32) were male and 56% (18/32) were stage IV. 56% (18/32) had squamous cell carcinoma and 44% (14/32) had adenocarcinoma. Median treatment cycle was 4 (range, 1-6). ORR and DCR were 50% (95%CI: 33-67) and 94% (95%CI: 85-100), respectively. With a median follow-up of 9.1 months, median PFS was 6.4 months (95%CI: 4.8-8.0). Median OS had not been reached at the data cutoff point. Grade 3 or severer toxicities were as follows: neutropenia (47%), leukopenia (38%), anemia (34%), thrombocytopenia (25%), and anorexia (9%). No febrile neutropenia and treatment-related deaths were observed.
Conclusion:
The combination of CBDCA and weekly nab-PTX demonstrated significant efficacy with acceptable toxicities in elderly patients with advanced NSCLC.
