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Poster display session

1751 - A phase 1/2 study of ramucirumab plus nivolumab in patients with previously treated advanced gastric adenocarcinoma

Date

09 Sep 2017

Session

Poster display session

Topics

Cytotoxic Therapy;  Immunotherapy;  Gastric Cancer

Presenters

Hirokazu Shoji

Citation

Annals of Oncology (2017) 28 (suppl_5): v209-v268. 10.1093/annonc/mdx369

Authors

H. Shoji1, H. Miyamoto2, H. Hara3, D. Takahari4, N. Machida5, T. Esaki6, K. Nagashima7, K. Aoki8, K. Honda9, Y. Nagata1, T. Miyamoto1, N. Boku1, K. Kato1

Author affiliations

  • 1 Gastrointestinal Medical Oncology Division, National Cancer Center Hospital, 104-0045 - Tokyo/JP
  • 2 -, FIVERINGS CO., LTD., Osaka/JP
  • 3 Department Of Gastroenterology, Saitama Cancer Center Hospital, Saitama/JP
  • 4 Department Of Gastroenterology, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo/JP
  • 5 Division Of Gastrointestinal Oncology, Shizuoka Cancer Center, Shizuoka/JP
  • 6 Department Of Gastrointestinal And Medical Oncology, National Kyushu Cancer Center, Fukuoka/JP
  • 7 Department Of Global Clinical Research, Graduate School Of Medicine, Chiba University, Chiba/JP
  • 8 Division Of Molecular And Cellular Medicine, National Cancer Center Reseach Institute, 104-0045 - Tokyo/JP
  • 9 Division Of Chemotherapy And Clinical Research, National Cancer Center Reseach Institute, 104-0045 - Tokyo/JP
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Resources

Abstract 1751

Background

Nivolumab (Nivo) is a human IgG4 programmed death receptor-1 (PD-1) monoclonal antibody that blocks the interaction between PD-1 and its ligands, releasing PD-1 pathway-mediated inhibition of the anti-tumor immune response. Nivo has demonstrated significant improvement in overall survival (OS) in the phase III trial (ONO4538-12) for patients (pts) in salvage line treatment of advanced gastric cancer (AGC). Ramucirumab (Ram) is a human IgG1 monoclonal VEGFR-2 antagonist antibody. Ram as monotherapy or in combination with paclitaxel, prolonged survival in AGC. Blocking VEGFR-2 relieves T cell exhaustion by reverting the expression of inhibitory molecules, and improves T cell infiltration into tumors. Based on synergistic anti-tumor effect induced by simultaneous blockades of PD-1 and VEGFR-2 in preclinical studies, this phase I/II study is designed to investigate the safety and tolerability of Nivo plus Ram in the 2nd line chemotherapy for with AGC. This study is conducted at 5 sites in Japan and started in January 2017.

Trial design

AGC pts with measurable lesions, aged ≥ 20 years, after disease progression on 1st line chemotherapy (platinum plus fluoropryimidine) will be enrolled in this study. Eligible pts will receive Ram and Nivo every two weeks until unacceptable toxicity or disease progression. In the phase I part, the doses of Ram/Nivo will set at 8/3 mg/kg (level 1) and 8/1 (level 0), and the recommended dose (RD) of Ram and Nivo will be determined based on the safety of 6 patients. In the phase II part, the primary endpoint is a 6-months progression-free survival (PFS) rate. The planned sample size is 44 with one-sided alpha of 0.05 and power of 80% based on the expected and threshold 6-months PFS ratios as 36% and 18% (using the Kaplan–Meier estimator). Secondary endpoints include overall response rate, disease control rate, overall survival, and safety. Exploratory endpoints include anti-tumor immune response using immune gene expression, PD-L1 and mismatch repair protein expression in tumor tissue, immune cell subset in peripheral blood, serum drug concentration measurements, serum microRNA expression, and genomic profiling of CTCs using next-generation sequencing, etc. Clinical trial information: NCT02999295

Clinical trial identification

NCT02999295

Legal entity responsible for the study

Ken Kato

Funding

Ono Pharmaceutical

Disclosure

H. Miyamoto: Leadership: Fiverings (CRO Company), stock ownership: Fiverings (CRO company), ONO Pharmaceutical. H. Hara: Honoraria; Chugai Pharma, Taiho Pharmaceutical, Merck Serono, Yakult Honsha, Lilly Counsulting or Advisory Role; Ono Pharmaceutical, Chugai Pharma. D. Takahari: Honoraria; Taiho, Eli lilly, Chugai, Yakult Consulting or advisory role; Taiho, Eli Lilly. Research Funding; Taiho. N. Machida: Honoraria; Taiho, Chugai, Lilly, Yakult. Research Funding; MSD, Taiho, Ono, Lilly, Daiichi-Sankyo. T. Esaki: Honoraria; Chugai, Eli lilly, Taiho, Merck Serono, Ono, Nihon Kayaku, Eisai. Research Funding; Eli lilly, Taiho, Novartis, Daiich-Sankyo, DS pharma, AstraZeneca, Merck Serono, Ono, MSD. N. Boku, K. Kato: Consulting or Advisory role; Ono. Research Funding; Ono, MSD, Merck Serono. All other authors have declared no conflicts of interest.

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