scholarly journals Features of the chemokine profile of blood plasma by neurotoxic complications of acute lymphoblastic leukemia in children: preliminary report

2020 ◽  
Vol 22 ◽  
pp. 02003
Author(s):  
Oksana Koryakina ◽  
Vladimir Bazarnyi ◽  
Larisa Fechina ◽  
Polina Kostromina ◽  
Arina Maksimova

The article presents an assessment of the neurotoxicity of chemotherapy in children with acute lymphoblastic leukemia receiving specific treatment according to the protocols used in pediatric oncological practice. An analysis of the neurological state with the determination of the chemokine profile of blood plasma was performed in 21 children aged 3 to 17 at the Regional Children’s Clinical Hospital in Yekaterinburg and the Central Research Laboratory of the Ural State Medical University in 2019. In the study group of children, neurotoxic complications were recorded in 42.9% of cases. At the same time, the appearance of neurological symptoms in most patients (77.7%) was observed during co chemotherapy at the stages of reinduction during consolidating treatment with a predominant clinical picture of chemo-induced polyneuropathy. In a comparative analysis of the indicators of the chemokine profile in groups of children, depending on the formation of neurotoxic complications during chemotherapy, we selected the chemokines CXCL10 (IP-10) and CXCL12 (SDF-1α) as possible prognostic biomarkers of damage to the nervous system.

1988 ◽  
Vol 43 (3) ◽  
pp. 228-232 ◽  
Author(s):  
Marie Peeters ◽  
Gideon Koren ◽  
Difat Jakubovicz ◽  
Alvin Zipursky

2014 ◽  
Vol 36 (5) ◽  
pp. e265-e270 ◽  
Author(s):  
Rachel Kobos ◽  
Neerav Shukla ◽  
Thomas Renaud ◽  
Susan E. Prockop ◽  
Farid Boulad ◽  
...  

2020 ◽  
Author(s):  
Gholamreza Bahoush ◽  
Gholamreza Bahoush ◽  
Marzieh Nojomi

In acute lymphoblastic leukemia (ALL) patients treated with L-asparaginase, discontinuation of the drug occasionally occur due to severe drug complications or resistance, however, due to the high efficacy of this drug in the recovery of patients and the prevention of disease recurrence, resuming the drug regimen is preferred in most patients. What we did in this study was to evaluate and compare the effects of clinical outcomes in the two modes of continuing and discontinuing drug use. In this retrospective cohort study, all children with ALL who had been treated with L-asparaginase during the years 2005 to 2015 were included in the study and categorized into two groups receiving complete treatment regimen (n=160) and those who had to discontinue the drug due to appearing complications (n=9). The rate of relapse and mortality rate was determined and compared across the two groups with a median follow-up time of more than 5 years. 5-yrs Overall survival of all enrolled patients in the groups continued and discontinued was 91.4±2.5% and 71.4±17.1%, respectively (P=0.792). Also, 5-yrs event-free survival of the two groups was 75.8±3.5% and 71.4±17.1%, respectively (P=0.557. Relapse was revealed in 17.5% and 33.3% respectively and mortality in 16.9% and 0.0% (P=0.261). However, the overall prevalence of hypersensitivity reaction to the drug was significantly higher in those patients who discontinued their drug regimen (100% versus 24.4%, P<0.001). Hypersensitivity reaction to drugs may be an important factor in discontinuing L-asparaginase in patients with ALL. The discontinuation of L-asparaginase supplementation due to various complications such as hypersensitivity reactions may be effective in the survival of these patients. However, accurate determination of the effect of discontinuation of this drug on the outcome of children with ALL requires a more comprehensive study with more complicated cases.


2021 ◽  
Vol 9 ◽  
Author(s):  
Xiaoyan Mao ◽  
Runxiu Yin ◽  
Gaoyuan Sun ◽  
Yan Zhou ◽  
Chunhui Yang ◽  
...  

Background: 6-Mercaptopurine (6-MP) is the cornerstone of current antileukemia regimen and contributes greatly to improve the survival of pediatric acute lymphoblastic leukemia (ALL) patients. However, 6-MP dose-related toxicities limit its application. TPMT, NUDT15, and ITPA are pharmacogenetic markers predicting 6-MP-related toxicities, but their genetic polymorphisms differ from those of ethnic populations. In Yunnan province, a multiethnic region of China, we had no genetic data to predict 6-MP toxicities. In this study, we evaluated the most common variants involved in 6-MP metabolism—TPMT*3C (rs1142345), NUDT15 c.415C&gt;T (rs116855232), and ITPA c.94C&gt;A (rs1127354) variants—in our cohort of pediatric ALL patients.Methods: A total of 149 pediatric ALL patients in the Affiliated Children's Hospital of Kunming Medical University (Yunnan Children's Medical Center) from 2017 to 2019 were enrolled in this retrospective study. We assessed the TPMT*3C (rs1142345), NUDT15 c.415C&gt;T (rs116855232), and ITPA c.94C&gt;A (rs1127354) frequencies and evaluated association between genotypes and 6-MP toxicities, 6-MP dose, and event-free survival (EFS) in these ALL patients.Results: The allele frequencies of TPMT*3C (rs1142345), NUDT15 c.415C&gt;T (rs116855232), and ITPA c.94C&gt;A (rs1127354) were 1.34%, 14.43%, and 18.79%, respectively. Only NUDT15 c.415C&gt;T (rs116855232) was strongly associated with 6-MP toxicity and 6-MP tolerable dose. NUDT15 c.415C&gt;T was related to leukopenia, p = 0.008, OR = 2.743 (95% CI: 1.305–5.768). The T allele was significantly correlated with 6-MP tolerable dose, dose of NUDT15 c.415C&gt;T wild genotype CC 39.80 ± 1.32 mg/m2, heterozygotes CT 35.20 ± 2.29 mg/m2, and homozygotes TT 18.95 ± 3.95 mg/m2. 6-MP tolerable dose between CC and TT had a significant difference, p = 0.009. Between CC and CT, and CT and TT, they had no significant difference. EFS showed no significant difference among NUDT15 c.415C&gt;T genotypes.Conclusion:NUDT15 c.415C&gt;T (rs116855232) was an optimal predictor for 6-MP toxicity and tolerable dose in pediatric ALL patients from Yunnan province, a multiethnic region in China, and would play an important role in precise therapy for ALL.


1996 ◽  
Vol 23 (1-2) ◽  
pp. 85-92 ◽  
Author(s):  
Arthur A. Meltzer ◽  
J. Fred Annegers ◽  
Margaret R. Spitz

Sign in / Sign up

Export Citation Format

Share Document