Most recently, Wada and coworkers have conducted a pilot study in seven patients with neoplastic ascites caused by gastric cancer with Vγ9Vδ2 T cells expanded ex vivo with Zoledronate and IL-2, administered together with Zoledronate i.v. Weekly Intraperitoneal injection of Vγ9Vδ2 T cells had no severe adverse events and caused a significant reduction of the number of tumor cells in the ascites, which was evident soon after the first cycle of therapy and sustained over time. Here, IL2 is linked to neoplasm.