Abstract
9575 Background: In the phase II VISION study (NCT02864992) tepotinib had promising efficacy (response rate of 40–50% & median duration of response >1 y) and tolerable safety in pts with advanced NSCLC with METex14 skipping (3–4% of NSCLC), who are typically elderly with poor prognosis. Pt reported outcomes (PROs) of HRQoL are described here. Methods: Pts with advanced NSCLC positive for METex14 skipping by tissue or liquid biopsy received oral tepotinib 500 mg once daily; PROs were assessed using QLQ-LC13 (lung cancer symptoms), EORTC QLQ-C30 (Global health status [GHS] & 5 functional scales), and EQ-5D-5L (VAS). Questionnaires were completed at baseline (BL) and every 6 weeks (Wk); results were scored from 0–100 (minimal clinically important difference [MCID] ≥10 points). Mean change from BL was analyzed at Wk 12 (predefined analyses). Results: By 19 Jul 19 cut-off, 130 pts across treatment lines were enrolled (median age 74.2 y), with PROs available for 129. Questionnaire completion rates were 90.1% at Wk 12. Symptom burden at BL was moderate for advanced NSCLC; mean change from BL for PROs are shown in the table (better functioning: lower QLQ-LC13 or higher QLQ-C30 scores). For the QLQ-LC13 symptoms, mean changes from BL indicated a meaningful improvement in coughing, with a median time to improvement (2.8 months) paralleling the onset of objective response (within first 3 months), and a numerical improvement in dyspnea (–2.3 at Wk 12) and chest pain (–4.2 at Wk 12). QLQ-C30 values remained stable over treatment as did EQ-5D-5L scores (higher=better): mean (standard deviation, SD) change from BL score (60 [20.4]) was 6 (18.6) at Wk 6 and 5 (20.9) at Wk 12. Conclusions: In this first analysis of PROs in pts with advanced NSCLC with METex14 skipping with a moderate symptom burden, treatment with tepotinib led to a clinically meaningful improvement in coughing symptoms, while maintaining HRQoL. Coupled with the efficacy and safety profile, the predefined HRQoL analysis from the VISION study supports tepotinib as a promising treatment option for this elderly population with METex14+ NSCLC. Clinical trial information: NCT02864992 . [Table: see text]
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