Lomonosov Moscow State University Medical Research And Educational Center

This study looks at whether two common statins (pitavastatin and rosuvastatin) affect male sex hormones and erectile function in men aged 40-65 with high heart risk. Researchers will monitor 150 men for 6 months, checking hormone levels, erectile function, and blood vessel health…

This study tests whether injecting botulinum toxin (Botox) into the anal muscle one week before hemorrhoid removal surgery can lower pain after the operation. About 292 adults with severe hemorrhoids will get either Botox or a placebo injection before surgery. Researchers will tr…