Ivermectin prophylaxis leads to 73 per cent reduction in Covid infection: AIIMS-Bhubaneswar study

Ivermectin is one among several potential drugs explored for its therapeutic and preventive role in COVID-19 infection.

Published: 05th November 2020 12:55 AM  |   Last Updated: 05th November 2020 12:55 AM   |  A+A-


Health workers collect samples for Covid-19. (File Photo | Madhav K)

Express News Service

BHUBANESWAR: In a significant finding, two-dose Ivermectin prophylaxis has led to 73 per cent
reduction in COVID-19 infection among healthcare workers (HCWs), who are more likely to contract the virus given their nature of job.

The findings of the study conducted by AIIMS-Bhubaneswar between September 20 and October 19 is set to give a new dimension to the ongoing research on the behaviour of SARS-CoV2 and prevention and treatment of COVID-19.

Ivermectin is one among several potential drugs explored for its therapeutic and preventive role in COVID-19 infection. The study conducted by 12 physicians of AIIMS-BBSR aimed at exploring the association between Ivermectin prophylaxis and development of COVID-19 infection.

The study was conducted on two sets of HCWs. While one set was administered with two doses of Ivermectin in a gap of 72 hours, the other took other prophylaxis.

Corresponding author of the study and AIIMS Director Gitanjali Batmanabane said two-dose Ivermectin prophylaxis at a dose of 300 micro gram per one kg body weight with a gap of 72 hours was associated with 73 pc reduction of COVID-19 infection among the HCWs.

AIIMS-BBSR has around 4,600 employees of which, over 625 have so far tested positive for novel coronavirus. As many as 372 including doctors, nurses, paramedics and sanitisation workers were considered for the month-long study. The list was prepared by the contact tracing team of the institute as per their exposure to COVID-19, based on WHO risk assessment guidelines.

"Earlier, at least 20 to 25 HCWs were getting infected with the virus daily. After the workers started taking Ivermectin, the number of infection has come down to one or two per day," Dr Batmanabane said.

As per ICMR guidelines, hydroxychloroquine (HCQ), vitamin C and other interventions were used by HCWs of AIIMS from April 11 in addition to the appropriate use PPE depending on the place they were posted. However, the uptake was not encouraging on account of known side-effect as large numbers of HCWs were getting infected.

"Considering the fact that Ivermectin had been shown to have diverse mechanisms by which it successfully attacks the SARS-CoV-2, we decided to use it. The Ivermectin has a proven safety profile as a safe drug which has been used for many decades. The encouraging results of a study from Egypt prompted us to explore its role as prophylaxis for HCWs," she said.

Of the 904 staff, who got tested for COVID-19 between September 20 and October 19, 234 persons tested positive and 670 were negative. Among the persons tested negative, 372 were participants of the study.

The study also estimated that single-dose prophylaxis has no association with the reduction of COVID-19 infection. Majority of the participants (60.75 per cent) were below 30 years of age and nearly two-thirds of participants were men. More than half of the participants had their duties in COVID wards or screening OPD.

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