Concurrent Intrathecal-pemetrexed and Involved-field Radiotherapy for Leptomeningeal Metastasis From Solid Tumors

Summary

Intrathecal chemotherapy is one of the most important treatment modalities for leptomeningeal metastasis of solid tumors. In the previous retrospective study, it has been proved that concurrent radiotherapy and intrathecal methotrexate for leptomeningeal metastasis from solid tumors with adverse prognostic factors showed great effectiveness and safety. The preliminary results of investigators' current prospective clinical study (Involved-field Radiotherapy Combined With Concurrent Intrathecal-methotrexate Versus Intrathecal-Ara-C for Leptomeningeal Metastases From Solid Tumor: A Randomized Phase II Clinical Trial. ClinicalTrials.gov identification number: NCT03082144) also showed that the regimen of concurrent intrathecal chemotherapy and radiotherapy may serve as an optimal therapeutic option for treatment of leptomeningeal metastases from solid tumors. Pemetrexed is a newer multitargeted antifolate which has shown activity in various tumors. In investigators' current study (Intrathecal Pemetrexed for Recurrent Leptomeningeal Metastasis From Non-small Cell Lung Cancer: A Prospective Pilot Clinical Trial. ClinicalTrials.gov identification number: NCT03101579), the regimen of intrathecal pemetrexed with folic acid and vitamin B12 supplementation may provide higher effectiveness and safety for recurrent leptomeningeal metastasis from non-small cell lung cancer. Therefore, the purpose of the study is to evaluate the tolerability, safety and effectiveness of intrathecal pemetrexed combined with involved-field radiotherapy as the first line treatment in patients with leptomeningeal metastases from malignant solid tumors.

Timeline

Start

2018-04-12

Primary completion

2019-01-15

Completion

2019-07-30

Publications

• Results Pan Z, Yang G, He H, Zhao G, Yuan T, Li Y, Shi W, Gao P, Dong L, Li Y. Concurrent radiotherapy and intrathecal methotrexate for treating leptomeningeal metastasis from solid tumors with adverse prognostic factors: A prospective and single-arm study. Int J Cancer. 2016 Oct 15;139(8):1864-72. doi: 10.1002/ijc.30214. Epub 2016 Jun 30.
• Results Stoop MP, Visser S, van Dijk E, Aerts JGJV, Stricker BH, Luider TM. A new quantification method for assessing plasma concentrations of pemetrexed and its polyglutamate metabolites. J Pharm Biomed Anal. 2016 Sep 5;128:1-8. doi: 10.1016/j.jpba.2016.04.036. Epub 2016 Apr 30.
• Results Chattopadhyay S, Moran RG, Goldman ID. Pemetrexed: biochemical and cellular pharmacology, mechanisms, and clinical applications. Mol Cancer Ther. 2007 Feb;6(2):404-17. doi: 10.1158/1535-7163.MCT-06-0343.
• Results Sorensen JB. Pharmacokinetic evaluation of pemetrexed. Expert Opin Drug Metab Toxicol. 2011 Jul;7(7):919-28. doi: 10.1517/17425255.2011.587411. Epub 2011 May 21.
• Results Adjei AA. Pharmacology and mechanism of action of pemetrexed. Clin Lung Cancer. 2004 Apr;5 Suppl 2:S51-5. doi: 10.3816/clc.2004.s.003.
• Results Mita AC, Sweeney CJ, Baker SD, Goetz A, Hammond LA, Patnaik A, Tolcher AW, Villalona-Calero M, Sandler A, Chaudhuri T, Molpus K, Latz JE, Simms L, Chaudhary AK, Johnson RD, Rowinsky EK, Takimoto CH. Phase I and pharmacokinetic study of pemetrexed administered every 3 weeks to advanced cancer patients with normal and impaired renal function. J Clin Oncol. 2006 Feb 1;24(4):552-62. doi: 10.1200/JCO.2004.00.9720. Epub 2006 Jan 3.
• Results McDonald AC, Vasey PA, Adams L, Walling J, Woodworth JR, Abrahams T, McCarthy S, Bailey NP, Siddiqui N, Lind MJ, Calvert AH, Twelves CJ, Cassidy J, Kaye SB. A phase I and pharmacokinetic study of LY231514, the multitargeted antifolate. Clin Cancer Res. 1998 Mar;4(3):605-10.
• Results Rinaldi DA, Kuhn JG, Burris HA, Dorr FA, Rodriguez G, Eckhardt SG, Jones S, Woodworth JR, Baker S, Langley C, Mascorro D, Abrahams T, Von Hoff DD. A phase I evaluation of multitargeted antifolate (MTA, LY231514), administered every 21 days, utilizing the modified continual reassessment method for dose escalation. Cancer Chemother Pharmacol. 1999;44(5):372-80. doi: 10.1007/s002800050992.
• Results Stapleton SL, Reid JM, Thompson PA, Ames MM, McGovern RM, McGuffey L, Nuchtern J, Dauser R, Blaney SM. Plasma and cerebrospinal fluid pharmacokinetics of pemetrexed after intravenous administration in non-human primates. Cancer Chemother Pharmacol. 2007 Mar;59(4):461-6. doi: 10.1007/s00280-006-0285-7. Epub 2006 Jul 20.
• Results Kumthekar P, Grimm SA, Avram MJ, Kaklamani V, Helenowski I, Rademaker A, Cianfrocca M, Gradishar W, Patel J, Mulcahy M, McCarthy K, Raizer JJ. Pharmacokinetics and efficacy of pemetrexed in patients with brain or leptomeningeal metastases. J Neurooncol. 2013 Apr;112(2):247-55. doi: 10.1007/s11060-013-1055-0. Epub 2013 Jan 25.
• Pan Z, Yang G, He H, Cui J, Li W, Yuan T, Chen K, Jiang T, Gao P, Sun Y, Cong X, Li Z, Wang Y, Pang X, Song Y, Zhao G. Intrathecal pemetrexed combined with involved-field radiotherapy as a first-line intra-CSF therapy for leptomeningeal metastases from solid tumors: a phase I/II study. Ther Adv Med Oncol. 2020 Jul 17;12:1758835920937953. doi: 10.1177/1758835920937953. eCollection 2020.

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