Correction of bone marrow failure in patients with polytrauma by injection of native DNA fragments (randomized prospective double-blind placebo-controlled study)

Ludmila Pavlovna Pivovarova, Laboratory Diagnostics Department, Saint Petersburg I.I. Dzhanelidze Research Institute of Emergency Medicine, Saint-Petersburg, Russia

Mikhail Ivanovich Gromov, Department of Efferent Therapy, Saint Petersburg I.I. Dzhanelidze Research Institute of Emergency Medicine, Saint-Petersburg, Russia

Aleksandr Nikolaevich Tulupov, Department of Concomitant Injury, Saint Petersburg I.I. Dzhanelidze Research Institute of Emergency Medicine, Saint-Petersburg, Russia

Vladimir Nikolaevich Lapshin, Department of Anesthesiology and Reanimatology, Saint Petersburg I.I. Dzhanelidze Research Institute of Emergency Medicine, Saint-Petersburg, Russia

Aleksandr Valeryevich Nikitin, Department of Concomitant Injury, Saint Petersburg I.I. Dzhanelidze Research Institute of Emergency Medicine, Saint-Petersburg, Russia

Irina Viktorovna Osipova, Laboratory Diagnostics Department, Saint Petersburg I.I. Dzhanelidze Research Institute of Emergency Medicine, Saint-Petersburg, Russia

Olga Borisovna Ariskina, Laboratory Diagnostics Department, Saint Petersburg I.I. Dzhanelidze Research Institute of Emergency Medicine, Saint-Petersburg, Russia

Abstract
A single-center efficacy study of sodium deoxyribonucleate in 54 patients with polytrauma was conducted. The main/control group consisted of 27/27 patients (21/20 males), aged 39(29;51)/40(26;53) years with the Injury Severity Score of 26(22;34)/25(20;29). Sodium deoxyribonucleate is hydrophilic fragments of native DNA. Randomization: the patients as-signed with even numbers were given the study drug of an even batch, those assigned with odd numbers received the drug of an odd batch. Every vial in one batch contained 75 mg sodium deoxyribonucleate, vials of the other batch contained only a solvent. Intramuscular injections were given daily for 10 days starting from the post-injury day. Blood tests assessing red and main population of white cells, CD117+ and CD34+mononuclears, CD14+monocytes and CD14+granulocytes, HLA-DR+ mononuclears, defensin+ neutrophilic granulocytes (NG), IL-6, CRP were made before first injection, on post-injury Days 8 and 15. Hb and TP were regularly assessed. On post-injury Day 8 counts (^109/L) of lymphocytes (2.36±0.19/1.83±0.18; р=0.048), monocytes (0.89±0.007/0.69±0.007; р=0.049), CD117+ (0.81±0.07/0.44±0.07; р=0.000) and CD34+mononuclears (0.83±0.07/0.65±0.05; р=0.042) increased in patients of the main group as compared to the controls. On post-injury Day 15 the achieved monocyte count increase retained (0.65±0.07/0.46±0.05; р=0.033), while counts of CD14+monocytes (0.38±0.03/0.24±0.02; р=0.041), HLA-DR+ mononuclears (1.34±0.12/1.04±0.08; р=0.044) and defensin+NG (42.0%±2.4%/ 34.3%±3.7%; р=0.044) increased in patients of the main group as compared to the control one. In both groups the concentrations of IL-6, pg/mL (Day 1 - 115±14/134±14; р=0.343; Day 8 - 51±7/74±9; р=0.049; Day 15 - 25±3/29±5; р=0.496) and СRP, mg/L (Day 1 - 69±6/84±8; р=0.141; Day 8 - 82±13/82±12; р=1.000; Day 15 - 21±4/35±7; р=0.090) equally decreased. The study drug had a positive effect in reducing a hospital stay from 39.6 to 32.8 days, decreasing the number of complications in 1.8 times, and the duration of anemia and hypoproteinemia in 2.5 and 2.4 times respectively.

Keywords
polytrauma, bone marrow failure, hematopoiesis, hypoproteinemia, anemia, complications, sodium deoxyribonucleate

Cite this paper
Ludmila Pavlovna Pivovarova, Mikhail Ivanovich Gromov, Aleksandr Nikolaevich Tulupov, Vladimir Nikolaevich Lapshin, Aleksandr Valeryevich Nikitin, Irina Viktorovna Osipova, Olga Borisovna Ariskina, Correction of bone marrow failure in patients with polytrauma by injection of native DNA fragments (randomized prospective double-blind placebo-controlled study) , SCIREA Journal of Clinical Medicine. Volume 6, Issue 3, June 2021 | PP. 242-259. 10.54647/cm32508

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