I believe the 29 biggest studies that ivermectin enthusiasts (https://ivmmeta.com/) recommend are analyzed here:
Ivermectin: Much More Than You Wanted To Know ... astralcodexten.substack.com
As you see, these studies are invalid.
Invalid according to Scott Alexander, a psychiatrist, author, blogger
hmmm.
I can see why you might trust his opinion over Dr. Tess Lawrie and her Phd's and decades of experience.