Topical Antibacterial Agents for Prevention of COVID-19

Status Completed

Clinical Trial Summary

Clinical Trial Description

The primary objective of this study is to determine whether intranasal application of aminoglycoside (Neosporin) increases local nasal innate immune responses compared to placebo control in healthy participants. This study will evaluate the role of nasally applied neomycin at inducing local antiviral interferon responses that have been associated with protection against SARS-CoV2 ( severe acute respiratory syndrome coronavirus 2). Local interferon immune responses including the nasal compartment are important in driving early protective responses against the virus. Given the current challenges with vaccine access in lower- and middle-income countries (LMIC) as well as varying vaccine acceptance and hesitancy, additional strategies are needed to help curb the spread of SARS-CoV2. There is a need for easily available agents that are low cost and effective at decreasing the effects of SARS-CoV2 exposure. The investigators will evaluate the effectiveness of intranasal Neosporin (which contains neomycin) at inducing interferon responses in human subjects. This will be a proof of concept that such approach will provide local immune response that could be beneficial against the SARS-CoV2 infection. The potential impact of this study is the utilization of existing and available topical medications for the purpose of providing local prophylaxis against SARS-CoV2. The overall hypothesis is that neomycin containing agents such as Neosporin when applied topically in the nose can induce local antiviral interferon responses in adult human subjects. Neosporin will be compared to placebo, control Vaseline (Unilever) or equivalent. A run-in cohort of 6 participants to test optimal sampling and storage conditions will be used. The focus of this study is the randomized double-blinded placebo-controlled trial. The study will enroll an estimated 40 healthy subjects at one study site, Yale University. Local nasal immune responses will be measured using RT-PCR and multiplex ELISA for interferon response. Participants will apply a small amount of the cream (less than a pea size) to the inside of both nostrils, then pinch the nose to spread the cream. Participants will use Neosporin or placebo twice a day for 7 days. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05449392
Study type	Interventional
Source	Yale University
Contact
Status	Completed
Phase	Phase 1
Start date	September 1, 2022
Completion date	September 22, 2023

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