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Deprecated: Implicit conversion from float 296.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Br+J+Pharmacol 2021 ; 178 (11): 2339-2350 Nephropedia Template TP
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Drug synergy of combinatory treatment with remdesivir and the repurposed drugs fluoxetine and itraconazole effectively impairs SARS-CoV-2 infection in vitro #MMPMID33825201
Schloer S; Brunotte L; Mecate-Zambrano A; Zheng S; Tang J; Ludwig S; Rescher U
Br J Pharmacol 2021[Jun]; 178 (11): 2339-2350 PMID33825201show ga
BACKGROUND AND PURPOSE: The SARS-COV-2 pandemic and the global spread of coronavirus disease 2019 (COVID-19) urgently call for efficient and safe antiviral treatment strategies. A straightforward approach to speed up drug development at lower costs is drug repurposing. Here, we investigated the therapeutic potential of targeting the interface of SARS CoV-2 with the host via repurposing of clinically licensed drugs and evaluated their use in combinatory treatments with virus- and host-directed drugs in vitro. EXPERIMENTAL APPROACH: We tested the antiviral potential of the antifungal itraconazole and the antidepressant fluoxetine on the production of infectious SARS-CoV-2 particles in the polarized Calu-3 cell culture model and evaluated the added benefit of a combinatory use of these host-directed drugs with the direct acting antiviral remdesivir, an inhibitor of viral RNA polymerase. KEY RESULTS: Drug treatments were well-tolerated and potently impaired viral replication. Importantly, both itraconazole-remdesivir and fluoxetine-remdesivir combinations inhibited the production of infectious SARS-CoV-2 particles > 90% and displayed synergistic effects, as determined in commonly used reference models for drug interaction. CONCLUSION AND IMPLICATIONS: Itraconazole-remdesivir and fluoxetine-remdesivir combinations are promising starting points for therapeutic options to control SARS-CoV-2 infection and severe progression of COVID-19.