InVitro (not in the body, but in the lab) showed that Ivermectin had a 5,000-fold (99%+) reduction in SARS-CoV-2 within just 48 hours.
Original paper (June 2020):
https://www.sciencedirect.com/science/article/pii/S0166354220302011
Follow up, stating they have secured funding for further research (August 2021):
I say naaaaay.