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MA14 - The Adequate MTarget Is Still the Issue (ID 140)
- Event: WCLC 2019
- Type: Mini Oral Session
- Track: Advanced NSCLC
- Presentations: 1
- Now Available
MA14.07 - Phase I Expansion Cohort of Ramucirumab Plus Pembrolizumab in Advanced Treatment-Naïve Non-Small Cell Lung Cancer (JVDF) (Now Available) (ID 209)
15:45 - 17:15 | Author(s): Johanna Bendell
Emerging data suggest blockade of vascular endothelial growth factor receptor 2 (VEGFR-2) with ramucirumab (R) and programmed cell death 1 protein (PD-1) with pembrolizumab (P) has anti-tumor activity. The JVDF study (NCT02443324) evaluated the safety and efficacy of R+P in locally advanced and unresectable or metastatic gastric/gastroesophageal junction adenocarcinoma, non-small cell lung cancer (NSCLC), urothelial carcinoma, and biliary tract cancer. Data from NSCLC patients receiving R+P as first-line therapy are reported.Method
Eligible patients had treatment-naïve, PD-L1 positive, histopathologically confirmed nonsquamous or squamous NSCLC and received R 10 mg/kg and P 200 mg on Day 1 every 21 days for up to 35 cycles until confirmed disease progression or discontinuation for other reasons. Response and progression were assessed using RECIST 1.1 with confirmatory scans. PD-L1 was assessed using the PD-L1 IHC 22C3 pharmDx assay; PD-L1 positivity was defined as a tumor proportion score (TPS) ≥1%.
As of August 31, 2018, 26 patients were treated. Baseline characteristics were as expected for an advanced, treatment-naïve population. Median follow-up was 17.4 (13.4, 20.1) months. Adverse events were consistent with R+P, with no additive toxicities. Eleven (42.3%) patients experienced Grade ≥3 treatment-related adverse events (TRAEs), most commonly hypertension (15.4%) and myocardial infarction (7.7%). No patients discontinued because of TRAEs; the two on-study deaths were due to disease progression. Efficacy results are shown in the table.
In previously untreated NSCLC, R+P has a manageable safety profile and is active in patients with PD-L1 expression. Updated results will be presented at the meeting. Randomized trials in this population are warranted.
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