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G. Fasola
Author of
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MA 03 - Chemotherapy (ID 651)
- Event: WCLC 2017
- Type: Mini Oral
- Track: Advanced NSCLC
- Presentations: 1
- Moderators:Jin-Hyoung Kang, W. Su
- Coordinates: 10/16/2017, 11:00 - 12:30, Room 502
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MA 03.01 - Nab-Paclitaxel ± CC-486 as Second-Line Treatment of Advanced NSCLC: Results from the ABOUND.2L+ Study (ID 8676)
11:00 - 12:30 | Author(s): G. Fasola
- Abstract
- Presentation
Background:
CC-486 (oral azacitidine) is an epigenetic modifier with potential effect as a priming agent for chemotherapy in patients with NSCLC. Outcomes of nab-paclitaxel+CC-486 vs nab-paclitaxel as second-line treatment of advanced NSCLC are reported.
Method:
Patients with advanced nonsquamous NSCLC and no more than 1 prior chemotherapy line (including platinum doublet combination) were randomized (1:1) to nab-paclitaxel 100 mg/m[2] d8, 15 + CC-486 200 mg qd d1-14 or nab-paclitaxel 100 mg/m[2] d1, 8, both administered q3w until progressive disease/unacceptable toxicity. Primary endpoint was PFS. Secondary endpoints: DCR, ORR, OS, and safety. QoL, an exploratory endpoint, was assessed on d1 of each cycle.
Result:
The nab-paclitaxel+CC-486 arm was discontinued in October 2016 due to demonstrated futility vs nab-paclitaxel monotherapy upon completion of a protocol-specified interim analysis. Overall, 161 patients were randomized (nab-paclitaxel+CC-486, 81; nab-paclitaxel, 80). Baseline characteristics were balanced between arms. The median number of cycles was 4 for each arm, and the median nab-paclitaxel cumulative dose was 600 mg/m[2] and 800 mg/m[2] in the nab-paclitaxel+CC-486 and nab-paclitaxel arms, respectively. Rates of grade 3/4 (G3/4) treatment-emergent AEs were 59.5% and 54.4% for the combination and monotherapy arms, respectively. The most frequent hematologic G3/4 AEs were neutropenia (16.5% vs 10.1%) and anemia (1.3% vs 7.6%). G3/4 peripheral neuropathy was reported in 2.5% and 7.6% of patients, respectively. The addition of CC-486 to nab-paclitaxel did not improve ORR, DCR, PFS, or OS (Table). When assessed by Lung Cancer Symptom Scale, nab-paclitaxel monotherapy was associated with improvement in the global QoL, average symptom burden index, and lung cancer symptoms except for hemoptysis.
Conclusion:
The addition of CC-486 to nab-paclitaxel did not clinically benefit patients with previously treated NSCLC. However, single-agent nab-paclitaxel appears to be a promising therapy based on safety, efficacy, and QoL data. Updated efficacy and safety data will be presented. NCT02250326nab-Paclitaxel + CC-486 n = 81 nab-Paclitaxel n = 80 Median PFS, months 3.2 4.2 HR (95% CI) 1.3 (0.9 - 2.0) 1-year PFS, % 4.1 18.3 Median OS, months 8.4 12.7 HR (95% CI) 1.4 (0.88 - 2.31) 1-year OS, % 39.2 54.3 ORR, n (%)[a] 11 (13.6) 11 (13.8) Response rate ratio (95% CI) 0.99 (0.45 - 2.15) CR PR SD PD DCR (≥ SD) 0 11 (13.6) 41 (50.6) 22 (27.2) 52 (64.2) 0 11 (13.8) 43 (53.8) 19 (23.8) 54 (67.5) CR, complete response; DCR, disease control rate; HR, hazard ratio; ORR, overall response rate; OS, overall survival; PD, progressive disease; PFS, progression-free survival; PR, partial response; SD, stable disease. [a] Response rate was based on the intent-to-treat population; however, 14 patients did not have a response assessment.
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