| Siwen Liu,Rong Ma,Haixia Cao,Shaorong Yu,Dan Chen,Changwen Jing,Zhuo Wang,Junying Zhang,Jifeng Feng,Jianzhong Wu. Safety and efficacy of EFGR and VEGF signaling pathway inhibition therapy in patients with colorectal cancer: a meta-analysis. Oncol Transl Med, 2019, 5: 80-90. |
| Safety and efficacy of EFGR and VEGF signaling pathway inhibition therapy in patients with colorectal cancer: a meta-analysis |
| Received:November 21, 2018 Revised:May 07, 2019 |
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| KeyWord:colorectal cancer (CRC); epidermal growth factor receptor (EGFR); vascular endothelial ?growth factor (VEGF); meta-analysis |
| Author Name | Affiliation | E-mail | | Siwen Liu | Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research ?& The Affiliated Cancer Hospital of Nanjing Medical University | siwenliu1989@126.com | | Rong Ma | Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University | | | Haixia Cao | Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University | | | Shaorong Yu | Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research ?& The Affiliated Cancer Hospital of Nanjing Medical University | | | Dan Chen | Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research ?& The Affiliated Cancer Hospital of Nanjing Medical University | | | Changwen Jing | Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research ?& The Affiliated Cancer Hospital of Nanjing Medical University | | | Zhuo Wang | Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University | | | Junying Zhang | Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University
Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University
Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research ?& The Affiliated Cancer Hospital of Nanjing Medical University
Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University | | | Jifeng Feng | Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, | | | Jianzhong Wu | Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, | |
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| Abstract: |
| Objective Epidermal growth factor receptor (EGFR) and vascular endothelial growth factor (VEGF)
inhibitors are two targeted therapies for metastatic colorectal cancer (mCRC). However, few studies have
focused on the safety and efficacy of combined targeted therapy against those of a single inhibition therapy
of EFGR or VEGF. This meta-analysis aimed to compare the anti-tumor activity of the combined inhibition
therapy and single inhibition therapy in patients with mCRC.
Methods We searched PubMed, Medline, the Cochrane library, Embase, and annual meeting
proceedings for relevant clinical trials. Objective response rate (ORR), progression-free survival (PFS),
overall survival (OS), and adverse events were extracted and calculated.
Results Nine trials comprising 3977 patients were selected for the analysis. The combined inhibition
therapy showed a 3.7% improvement in ORR compared with single inhibition, and this difference was
statistically significant [hazard ratio (HR) = 1.33; 95% confidence interval (CI), 1.01–1.74; P = 0.04].
Subgroup analysis showed that the combined EGFR and VEGF inhibitor therapy had an 11.65%
improvement in ORR compared with VEGF inhibitor therapy (OR = 2.14; 95% CI, 1.34–3.40; P = 0.001).
EGFR and VEGF inhibitor therapy and chemotherapy had an 18.08% improvement in ORR compared with
chemotherapy (OR = 2.21; 95% CI, 1.05–4.64; P = 0.04). Moreover, EGFR and VEGF inhibitor therapy
significantly improved PFS compared with VEGF inhibitor therapy (OR = 0.82; 95% CI, 0.69–0.97; P =
0.02). VEGF inhibitor therapy and chemotherapy significantly improved PFS compared with EGFR and
VEGF inhibitor therapy and chemotherapy (OR = 1.20; 95% CI, 1.11–1.30; P = 0.00). In addition, EGFR
and VEGF inhibitor therapy showed improved OS compared with VEGF inhibitor therapy (HR = 0.78, 95%
CI: 0.65–0.94; P = 0.008). Finally, the combined inhibition therapy showed an obviously increased risk of
cutaneous and mucosal effects (RR = 6.45; 95% CI: 2.71–15.36; P < 0.01), diarrhea/abdominal pain (RR =
1.97; 95% CI: 1.45–2.68; P < 0.01), fatigue/asthenia (RR = 1.60; 95% CI: 1.10–2.32; P = 0.01), dehydration
or electrolyte disturbance (RR = 2.78; 95% CI: 1.48–5.21; P < 0.01), nail disorder (RR = 8.23; 95% CI:
1.52–44.57; P = 0.01), and dizziness/headache (RR = 3.43; 95% CI: 1.89–6.23; P < 0.01) compared with
single inhibition therapy.
Conclusion Compared with single inhibition therapy, the combined inhibition therapy significantly
improved ORR, PFS, and OS in the treatment of mCRC patients. Compared with a single-targeted agent,
the combined therapy of anti-EGFR and anti-VEGF drug provided an efficacy advantage, although it led to
greater toxicity. |
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