Dual EGFR blockade with cetuximab and erlotinib combined with anti-VEGF antibody bevacizumab in advanced solid tumors: a phase 1 dose escalation triplet combination trial

Experimental Hematology & Oncology - Tập 9 Số 1 - Trang 1-8 - 2020
Subbiah, Vivek1,2, Dumbrava, Ecaterina Ileana1, Jiang, Yunfang1, Thein, Kyaw Z.1, Naing, Aung1, Hong, David S.1, Fu, Siqing1, Piha-Paul, Sarina A.1, Tsimberidou, Apostolia M.1, Janku, Filip1, Meric-Bernstam, Funda1, Kurzrock, Razelle3, Falchook, Gerald4
1Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
2Department of Investigational Cancer Therapeutics (Phase I Clinical Trials Program), Division of Cancer Medicine, Unit #455, University of Texas MD Anderson Cancer Center, Houston, USA
3Center for Personalized Cancer Therapy and Division of Hematology and Oncology, University of California San Diego Moores Cancer Center, La Jolla, USA
4Sarah Cannon Research Institute at HealthONE, Denver, USA

Tóm tắt

Angiogenesis and activation of the epidermal growth factor (EGFR) pathway play an essential role in tumor proliferation and metastasis. Targeting angiogenesis or EGFR alone does not yield adequate tumor control in most solid tumors. Overcoming intrinsic and/or acquired resistance may need a doublet or triplet therapy strategy. Herein, we report the safety and feasibility of dual EGFR blockade with EGFR monoclonal antibody and EGFR tyrosine kinase inhibitor combined with anti-VEGF antibody in advanced solid tumors. We conducted a phase I study combining erlotinib, cetuximab, and bevacizumab. Patients with advanced or metastatic solid tumors (excluding colorectal and non-small cell lung cancers) were analyzed for safety, toxicity profile, and response. Anti-tumor activity was evaluated per response evaluation criteria in solid tumors (RECIST 1.0). Thirty-six patients received treatment on a range of dose-levels. The most frequent tumor types enrolled were cervical (n = 10), head and neck squamous cell (n = 10), and follicular thyroid (n = 4) cancers. The most common treatment-related grade ≥ 2 adverse events were rash (56%), hypomagnesemia (17%), pruritus (11%), diarrhea (8%), and tumor-related bleeding (8%). Seventeen of 19 patients (89%) treated at the maximum tolerated dose did not present treatment-related dose-limiting toxicity. Fifteen (63%) of the 24 evaluable patients achieved a disease control (stable disease ≥ 4 months (n = 14) and partial response (n = 1). The median number of prior lines of therapies was 3 (range 1–10). The triplet combination of erlotinib, cetuximab, and bevacizumab was well tolerated, conferring clinical benefit in heavily pretreated patients. Future studies are warranted with second or third-generation EGFR tyrosine kinase triplet combinations in the EGFR pathway aberrant patients. Trial Registration: ClinicalTrials.gov Identifier: NCT00543504. Sponsor(s): National Cancer Institute (NCI), MD Anderson Cancer Center

Tài liệu tham khảo

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