A phase I trial of riluzole and sorafenib in patients with advanced solid tumors: CTEP #8850.
A phase I trial of riluzole and sorafenib in patients with advanced solid tumors: CTEP #8850.
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DOI:
10.18632/oncotarget.28403
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发表时间:
2023-04-10
期刊:
影响因子:
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通讯作者:
Mehnert, Janice M
中科院分区:
文献类型:
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作者:
Spencer, Kristen R;Portal, Daniella E;Aisner, Joseph;Stein, Mark N;Malhotra, Jyoti;Shih, Weichung;Chan, Nancy;Silk, Ann W;Ganesan, Shridar;Goodin, Susan;Gounder, Murugesan;Lin, Hongxia;Li, Jiadong;Cerchio, Robert;Marinaro, Christina;Chen, Suzie;Mehnert, Janice M
Background: Overexpression of metabotropic glutamate receptor 1 (GRM1) has been implicated in the pathogenesis of multiple cancers. Riluzole, an inhibitor of glutamate release, showed synergistic antitumor activity in combination with the multi-kinase inhibitor sorafenib in preclinical models. This phase I trial identified the toxicity profile, dose-limiting toxicities, maximum tolerated dose (MTD), and pharmacokinetic and pharmacodynamic properties of riluzole combined with sorafenib in patients with advanced cancers. Patients and Methods: Patients with refractory solid tumors were enrolled utilizing a 3+3 dose-escalation design. Riluzole was given at 100 mg PO BID in combination with sorafenib, beginning at 200 mg PO daily and escalating in 200 mg increments per level in 28-day cycles. Restaging evaluations were performed every 2 cycles. Results: 35 patients were enrolled over 4 dose levels. The MTD was declared at dose level 3 (riluzole: 100 mg PO BID; sorafenib: 400 mg AM/200 mg PM). Pharmacokinetic analyses did not reveal definitive evidence of drug-drug interactions. Consistent decreases in phospho-forms of ERK and AKT in tumor tissue analyses with accompanying decrease in GRM1 expression and increase in pro-apoptotic BIM suggest target engagement by the combination. Best responses included a partial response in 1 (2.9%) patient with pancreatic acinar cell carcinoma with a KANK4-RAF1 fusion, and stable disease in 11 (36%) patients. Conclusion: Combination therapy with riluzole and sorafenib was safe and tolerable in patients with advanced solid tumors. The partial response in a patient with a RAF1 fusion suggests that further exploration in a genomically selected cohort may be warranted.