CCN2 and gastric cancer: Remarkably, the combination of 5‐FU with the CTGF‐specific small molecule Procyanidin C1 displayed a synergistic effect in mitigating GC peritoneal metastasis after 14 days of treatment, a result parallel to that of Pamrevlumab, a humanized monoclonal antibody targeting CTGF (Figure 7B,C).