USE OF TOCILIZUMAB AND MESENCHYMAL STROMAL CELLS IN THE TREATMENT OF SEVERE COVID-19 - A CASE REPORT

Autor: DB Marsaro, Isadora M. Vaz, Claudio Luciano Franck, Daga, B Schaidt, Lisandro Ribeiro, Valderez Ravaglio Jamur, Y Schluga, A Micosky, Prs Brofman, J.S. Lima, Patrícia Shigunov, E.G. Bana, Lmb Leite, Alexandra Cristina Senegaglia, Alejandro Correa, AP Azambuja, Clk Rebelatto
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Cytotherapy
ISSN: 1477-2566
1465-3249
Popis: Currently, there is no specific treatment for coronavirus disease, and some drugs and cell-based therapy have been tested as alternatives This work aims to evaluate the effects of the combined use of humanized recombinant monoclonal antibody capable of binding the IL-6 receptor (Tocilizumab), and umbilical cord tissue-derived mesenchymal stromal cells (UCT-MSC) in the treatment of a patient with severe COVID-19 admitted to the intensive care unit (IUC) and submitted to mechanical ventilation This study is part of a project approved by the National Research Ethics Commission (CONEP);CAAE: 30833820 8 0000 0020 The patient had a diagnostic criterion for the severe acute respiratory syndrome resulting from infection with SARS-CoV-2 and received two 400 mg doses of tocilizumab, three infusions of 500,000 CTM / kg plus full anticoagulation TCU-MSC were obtained from healthy donors The following parameters were evaluated in the pre-infusion of cells (D1), on the day following each infusion (D2, D4, and D6), on the 14th and 60th day after the first infusion (D14 and D60): viral load, immune response (Regulatory T lymphocytes), C-reactive protein level in plasma, oxygen saturation, respiratory rate, total lymphocyte count and subpopulations (platelets, inflammatory cells, and reticulocytes), TGO / TGP, increased prothrombin time, D-dimer, creatinine, troponin The relative viral quantification decreased gradually from 1 (D1) to 0 06 (D6) RdRP / RNApol, undetectable in D14 An increase in the absolute number of total lymphocytes / µL has also been seen to have progressively increased from 281 (D1) to 954 9 (D6) and since then decreased to 641 6 in D60 in the same way as T lymphocytes 148 6 (D1) 642 6 (D6) 607 4 (D14) 485 7 (D60), CD4 T lymphocytes, 102 (D1) 481 2 (D6) 459 5 (D14) 358 (D60) and Treg lymphocytes 10 8 (D1) 34 (D6) 29 8 (D14), 25 9 (D60) Plasmablasts, in contrast, decreased from 52 (D1) to 4 5 (D6) to almost undetectable in D60 (0 2) Laboratory tests outside the reference values decreased during the follow-up from D1 to D14 were within the normal parameters at D60 The patient was extubated uneventfully on D6, discharged from the ICU on D10, and the hospital on D14 the combined use of tocilizumab and MSC is safe, without adverse effects, and the results of this case report prove to be a promising alternative in the treatment of patients with severe acute respiratory syndrome due to SARS-CoV-2 [ABSTRACT FROM AUTHOR] Copyright of Cytotherapy (Elsevier Inc ) is the property of Elsevier B V and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission However, users may print, download, or email articles for individual use This abstract may be abridged No warranty is given about the accuracy of the copy Users should refer to the original published version of the material for the full abstract (Copyright applies to all Abstracts )
Databáze: OpenAIRE
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