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OA09 - Locally Advanced NSCLC: Innovative Treatment Strategies (ID 384)
- Event: WCLC 2016
- Type: Oral Session
- Track: Locally Advanced NSCLC
- Presentations: 1
OA09.03 - Randomized Controlled Study Comparing Adjuvant versus Neo-Adjuvant Chemotherapy in Resectable Stage IB to IIIA NSCLC (ID 5843)
11:00 - 12:30 | Author(s): C. Wang
Adjuvant chemotherapy is the standard of care for completely resected stage II-IIIa non-small cell lung cancer (NSCLC). A few trials suggest that neoadjuvant chemotherapy is a promising strategy for resectable NSCLC. Indirect comparison meta-analysis of adjuvant versus neoadjuvant therapy showed no difference in survival. This study was conducted to determine the difference of disease-free survival(DFS) between adjuvant chemotherapy and neoadjuvant chemotherapy among patients with resectable NSCLC.
Patients with clinical stage IB-IIIA NSCLC were eligible. Patients were randomly assigned to 3 cycles adjuvant DC (Docetaxel: 75mg/m2, Carboplatin:AUC=5 on day 1, every 3wk) after completely resection (lobectomy or pneomonectomy with mediastinal lymphnode dissection, or 3 cycles neoadjuvant DC at the same schedule followed by surgery 3-6 wk after chemotherapy. The primary end point was 3 years DFS; secondary end points were 3ys and 5ys Overall Survival(OS) and Safety. Planned sample size is 410. The trail was early closed because slowly accrued.
Between March 2006 and May 2011,198 patients from 8 Institute were randomized to neoadjuvant arm (97 cases) or adjuvant arm (101 cases). The median age was 58, male accounted for 80.3%, Adenocarcinoma 48.5%, stage Ib, II a, II b and IIIa were 32.5%, 12.2%, 28.4% and 26.9% respectively. Two arms were balanced. 100% cases received neoadjuvant chemotherapy and 87.4% finished the planned adjuvant chemotherapy. No unexpected toxicities were seen and 41.2% of patients experienced grade 3-4 neutropenia. In neoadjuvant arm, the ORR was 34% and 12.4% patients developed PD. No difference in postoperative complication was found between two arms. Survival analysis show in Table 1.Figure 1
Adjuvant or neo-adjuvant chemotherapy with docetaxel plus carboplatin in resectable clinical stage IB-IIIA NSCLC are feasible and safe. The final results showed no difference in 3ys DFS and OS between two arms. Long term survival in Adjuvant arm show the tendency of superior to neoadjuvant arm.
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