Cough syrup ingredient may ease Post-Surgery pain
Symptom relief
Recruiting now
This study tests if giving dextromethorphan (a cough suppressant) before knee replacement surgery can reduce pain and the need for strong painkillers afterward. About 160 adults will receive either the drug or a placebo. The goal is to see if this simple, low-cost approach can im…
Phase: NA • Sponsor: Nathanael Heckmann • Aim: Symptom relief
Last updated May 13, 2026 16:01 UTC