Pentoxifylline In Pediatric Acute Lymphoblastic Leukemia During Induction

Summary

Recent advances in acute lymphoblastic leukemia treatment are based on a cytotoxic drug combination. Measurement of minimal residual disease in bone marrow samples at day 14 of treatment is the most powerful early predictive indicator of further relapse, and it can be applied practically to all patients with acute lymphoblastic leukemia. Even more so, it has been observed that patients who present negative minimal residual disease in bone marrow samples at day 7 during induction have a better prognosis than those achieving this at day 14. Relapse represents the main cause of treatment failure that related in the extreme with resistance to apoptosis, defining the latter as the principal mechanism of programmed cell death; it is also related with the induction of leukemic cells to senescent arrest. Pentoxifylline is a methyl-xanthine byproduct considered an unspecific inhibitor of phosphodiesterase. It inhibits nuclear factor-kappa-beta activation by different mechanisms and stimulates apoptosis induced by different drugs; thus, it can optimize the antineoplastic effect of actual treatments in order to increase the apoptosis of leukemic cells. This effect might improve the prognosis of these patients. Evaluate the safety and effect of Pentoxifylline together with antineoplastic drugs in order to study increased apoptosis and decreased senescence during the remission induction phase in pediatric patients with newly diagnosed acute lymphoblastic leukemia. To achieve this propose, we will divide patients in two groups, who will receive pentoxifylline or placebo depending on the group, in addition to conventional treatment according to the protocol standard chemotherapy schema for pediatric patients with acute lymphoblastic leukemia at our institution during the remission induction phase. In addition, we will test whether the study group exerts an impact on reaching remission earlier as compared with the control group.

Timeline

Start

2015-01

Primary completion

2019-12

Completion

2020-12

Publications

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• Results Reuter S, Gupta SC, Kannappan R, Aggarwal BB. WITHDRAWN: Evidence for the critical roles of NF-kappaB p65 and specificity proteins in the apoptosis-inducing activity of proteasome inhibitors in leukemia cells. Biochim Biophys Acta. 2012 Jan 10:10.1016/j.bbadis.2012.01.002. doi: 10.1016/j.bbadis.2012.01.002. Online ahead of print.
• Results Hernandez-Flores G, Ortiz-Lazareno PC, Lerma-Diaz JM, Dominguez-Rodriguez JR, Jave-Suarez LF, Aguilar-Lemarroy Adel C, de Celis-Carrillo R, del Toro-Arreola S, Castellanos-Esparza YC, Bravo-Cuellar A. Pentoxifylline sensitizes human cervical tumor cells to cisplatin-induced apoptosis by suppressing NF-kappa B and decreased cell senescence. BMC Cancer. 2011 Nov 10;11:483. doi: 10.1186/1471-2407-11-483.
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• Salceda-Rivera V, Ortiz-Lazareno PC, Hernandez-Flores G, Vazquez-Urrutia JR, Meza-Arroyo J, Pardo-Zepeda M, Romo-Rubio H, Barba-Barba C, Sanchez-Zubieta F, Barron-Gallardo CA, Gonzalez-Ramella O, Bravo-Cuellar A. Very early remission and increased apoptosis with the use of Pentoxifylline in children with acute lymphoblastic leukemia. Front Oncol. 2024 Oct 3;14:1401262. doi: 10.3389/fonc.2024.1401262. eCollection 2024.

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