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Evaluation of the prophylactic effect of hydroxychloroquine on people in close-contact with patients with COVID-19 #MMPMID34389507
Shabani M; Totonchi M; Rezaeimirghaed O; Gachkar L; Hajiesmaeili M; Khoshkar A; Amirdosara M; Saffaei A; Shokouhi S; Mardani M; Alavi Darazam I; Karami A; Sharifi M; Zaman M; Abedheydari E; Sahraei Z
Pulm Pharmacol Ther 2021[Oct]; 70 (ä): 102069 PMID34389507show ga
INTRODUCTION: The coronavirus disease 2019 (COVID-19) pandemic has caused significant mortality worldwide. The disease attacks the lung tissue and may lead to acute respiratory distress syndrome. An in vitro study showed that hydroxychloroquine (HCQ) has a prophylactic effect against COVID-19 due to its anti-inflammatory effects. The present study aimed to evaluate the prophylactic effect of HCQ on individuals in close contact with patients with COVID-19. METHOD: In this quasi-trial study, we prescribed HCQ for 7 days to all people who had close contact with a patient with COVID-19. All contacts underwent a nasal swab in two steps, and those positive for COVID-19 were excluded from the study. After 14 days of follow-up, the clinical and laboratory manifestations of COVID-19 were evaluated. RESULTS: A total of 113 participants completed the study. The HCQ group comprised 51 (45.13%) contacts, and 62 (54.86%) contacts were allocated to the control group. According to the results of clinical examination and real-time polymerase chain reaction test, 8 (12.90%) contacts in the control group were reported to have contracted COVID-19. In the HCQ group, 7 (13.72%) contacts were confirmed to have contracted COVID-19. There was no relationship between HCQ use and age, sex, underlying disorders, and laboratory data (all p > 0.05). In terms of HCQ side effects, five participants experienced gastrointestinal and cutaneous side effects that subsided on discontinuation of HCQ. CONCLUSION: The current study showed that HCQ had no prophylactic effect with regard to COVID-19 prevention.