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MA13 - Going Back to the Roots! (ID 139)
- Event: WCLC 2019
- Type: Mini Oral Session
- Track: Advanced NSCLC
- Presentations: 1
- Now Available
MA13.10 - A Phase II Study of Carboplatin and Nab-Paclitaxel for Advanced Non-Small Cell Lung Cancer with Interstitial Lung Disease (HOT1302) (Now Available) (ID 990)
14:00 - 15:30 | Presenting Author(s): Hiroshi Yokouchi
Because of the high risk of exacerbation of pre-existing interstitial lung disease (ILD), patients with concomitant advanced non-small cell lung cancer (NSCLC) and ILD have been excluded from most clinical trials of chemotherapy, despite the high prevalence (around 10%) of all NSCLC cases. This study prospectively evaluated the efficacy and safety of albumin-bound paclitaxel (nab-paclitaxel) in combination with carboplatin in advanced NSCLC patients with pre-existing ILD.Method
Enrolled patients had treatment-naïve, advanced NSCLC with pre-existing ILD. Patients received 100 mg/m2nab-paclitaxel weekly and carboplatin at area under the concentration-time curve (AUC) 6 once every 3 weeks for 4-6 cycles. The primary endpoint was overall response rate (ORR); secondary endpoints included toxicity, progression-free survival (PFS) and overall survival (OS). The interactions between histology [Squamous (Sq) vs. Non-Squamous (Non-Sq)] and treatment outcomes were also investegated.Result
Thirty-six patients were enrolled between April 2014 and September 2017. Sixteen patients (44.4%) had an adenocarcinoma, followed by 15 (41.7%) squamous cell carcinoma, and 5 (13.9%) non-small cell carcinoma. The median number of cycles administered were 4 (range: 1-6). The ORR, the primary endpoint, was 55.6% (95% confidence interval [CI]: 39.6-70.5%). The median PFS and OS were 5.3 months (95% CI: 3.9-8.2 months) and 15.4 months (95% CI: 9.4-18.7 months), respectively. There was no significant difference between two groups, however, numerically better treatment outcomes were observed in the Sq group: the ORR was 66.7% (95% CI: 41.7–84.8%) in the Sq group compared with 47.6 % (95% CI: 28.3–67.6%) in the Non-Sq group (P =0.254); median PFS was 8.2 months (95% CI: 4.0–10.2 months) in the Sq group vs. 4.1 months (95% CI: 3.3-5.4 months) in the Non-Sq group (HR, 0.60 [95% CI, 0.30–1.20]; p=0.15); median OS was 16.8 months (95% CI: 9.8 months–not reached) in the Sq group vs. 11.9 months (95% CI: 7.3-17.4 months) in the Non-Sq group (HR, 0.56 [95% CI, 0.24–1.28]; p=0.17). Two patients (5.6%) experienced grade ≥2 pneumonitis and one patient (2.8%) died.Conclusion
This is the first prospective phase 2 study of weekly nab-paclitaxel in combination with carboplatin in advanced NSCLC patients with pre-existing ILD. This treatment showed favorable efficacy and was well tolerated.
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