Nazartinib (EGF816) in patients with treatment-na¨ıve EGFR-mutant non-small cell lung cancer (NSCLC): Updated phase II results
Abstract No : 9574
Abstract Type : Poster Session
Indication : EGFR mutated NSCLC
Intervention : Nazartinib (EGF816)
Company : Novartis Pharmaceuticals
Technology : Small molecule
Results:
Results: At data cutoff (Nov 1, 2019), 45 pts were enrolled (median [range] age: 64 [28–83] years; 26 pts [58%] ECOG PS1; 18 pts [40%] had baseline BM). EGFR mutations: 56% ex19del, 40% L858R, 4% other. 26/45 pts (58%) discontinued tx, with the primary reason being progressive disease in 19 pts (42%); 2 pts (4%) discontinued tx due to AEs. Median (range) follow-up for OS: 25 (0–33) months (mo); and for PFS: 17 (0–33) mo. ORR by BIRC: 69%; median PFS by BIRC: 18 mo; median OS was NE and at 33 mo, 56% of pts were alive (Table). BIRC results by baseline BM are shown in the Table. Median (range) duration of exposure: 24 (0–34) mo. Most frequent AEs ($20% all grade, all causality): diarrhea (47%), maculopapular rash (38%), pyrexia (29%), cough and stomatitis (27% each), decreased appetite and pruritus (24% each), and dermatitis acneiform (22%). Most frequent grade 3/4 AEs ($10%, all causality): maculopapular rash (5 pts [11%]; all grade 3) and increased lipase (5 pts [11%]; 1 pt with grade 4; no clinical pancreatitis AE was observed).
Conclusion:
After additional follow-up, median OS was still not reached and the safety profile was manageable. Nazartinib is a promising 3rd generation EGFR TKI for tx-naïve pts with adv EGFR-mut NSCLC, including pts with baseline BM.
Commentary:
These results demonstrate that nazartinib is a promising third generation EGFR TKI for frontline advanced EGFR mutated NSCLC patients including patients with brain metastases
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