Remdesevir Antiviral Therapy in Pregnant Women with COVID-19

Background: Coronavirus disease 2019 (COVID-19) is difficult to treat in pregnant women due to pregnancy itself and the lack of standard treatment for the disease. As of August 2021, the etiotropic drug remdesivir has been added to the prescription list for women during gestation. There are few publications in the global scientific community regarding the use of this antiviral drug in pregnant women. Moreover, there are only sporadic scientific studies in Kazakhstan, so the question remains open. Objectives: This study aimed to evaluate the efficacy of remdesivir in pregnant women with probable or confirmed COVID-19. Methods: The study comprehensively examined 120 pregnant women with severe to very severe COVID-19, who were divided into two groups of patients. The study group consisted of women who received remdesivir and standard therapy. The control group included patients who received standard therapy per the protocol. Results: Statistically significant age differences were observed between the main and control groups (P = 0.019). The differences detected were due to a higher frequency in the age group of 33 and 42 years in patients taking remdesivir than in the control group (P = 0.036). Women in the main group (Median = 9.00; Q1 - Q3 = 8.00 - 11.0) had longer hospital stays than the control group (Me = 8.00; Q1 - Q3 = 7.00 - 10.0). This was due to the more severe condition of the patients in this group. There were statistically significant differences in amniotic fluid changes according to ultrasound between the control and main groups (P = 0.013). When comparing the groups in pairs, amniotic fluid was more common in women who received remdesivir (P = 0.316) than in the control group. Our study found that a decrease in temperature to normal levels occurred earlier in the control group (68%) than in the main group. Further SpO2 increases of more than 95% were seen on days 3 - 4 in the main group (71%) and days 1 - 2 in the control group (43%). After three days, there was an improvement in respiratory rate (41.6%) and a reduction in subjective dyspnea (66.6%) in the main group. Conclusions: The study found that repeat mothers have a more severe course of COVID-19. The older age group and the third trimester of pregnancy are risk factors for progression to severe disease.