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Ramucirumab in combination with pembrolizumab in treatment-naïve advanced gastric or gej adenocarcinoma: Safety and antitumor activity from the phase 1a/b jvdf trial

Chau, I; Penel, N; Soriano, AO; Arkenau, HT; Cultrera, J; Santana-Davila, R; Calvo, E; ... Fuchs, CS; + view all (2020) Ramucirumab in combination with pembrolizumab in treatment-naïve advanced gastric or gej adenocarcinoma: Safety and antitumor activity from the phase 1a/b jvdf trial. Cancers , 12 (10) , Article 2985. 10.3390/cancers12102985. Green open access

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Abstract

Ramucirumab (anti-VEGFR2) plus pembrolizumab (anti-PD1) demonstrated promising antitumor activity and tolerability among patients with previously treated advanced cancers, supporting growing evidence that combination therapies modulating the tumor microenvironment may expand the spectrum of patients who respond to checkpoint inhibitors. Here we present the results of this combination in first-line patients with metastatic G/GEJ cancer. Twenty-eight patients (≥18 years) with no prior systemic chemotherapy in the advanced/metastatic setting received ramucirumab (8 mg/kg days 1 and 8) plus pembrolizumab (200 mg day 1) every 3 weeks as part of JVDF phase 1a/b study. The primary endpoint was safety. Secondary endpoints included progression-free survival (PFS), objective response rate (ORR), and overall survival (OS). Tumors were PD-L1-positive (combined positive score ≥ 1) in 19 and-negative in 6 patients. Eighteen patients experienced grade 3 treatment-related adverse events, most commonly hypertension (14%) and elevated alanine/aspartate aminotransferase (11% each), with no grade 4 or 5 reported. The ORR was 25% (PD-L1-positive, 32%; PD-L1-negative, 17%) with duration of response not reached. PFS was 5.6 months (PD-L1-positive, 8.6 months; PD-L1-negative, 4.3 months), and OS 14.6 months (PD-L1-positive, 17.3 months; PD-L1-negative, 11.3 months). Acknowledging study design limitations, ramucirumab plus pembrolizumab had encouraging durable clinical activity with no unexpected toxicities in treatment-naïve biomarker-unselected metastatic G/GEJ cancer, and improved outcomes in patients with PD-L1-positive tumors.

Type: Article
Title: Ramucirumab in combination with pembrolizumab in treatment-naïve advanced gastric or gej adenocarcinoma: Safety and antitumor activity from the phase 1a/b jvdf trial
Open access status: An open access version is available from UCL Discovery
DOI: 10.3390/cancers12102985
Publisher version: https://doi.org/10.3390/cancers12102985
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Keywords: gastric/gastroesophageal junction adenocarcinoma; pembrolizumab; phase 1b; ramucirumab
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Cancer Institute
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Cancer Institute > Research Department of Oncology
URI: https://discovery.ucl.ac.uk/id/eprint/10113637
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