Cough medicine may ease Post-Surgery pain and cut opioid use
Symptom relief
Recruiting now
This study tests whether a common cough suppressant, dextromethorphan, can reduce pain and the need for strong opioid painkillers after knee replacement surgery. About 160 adults will receive either dextromethorphan or a placebo before and after their operation. Researchers will …
Phase: NA • Sponsor: Nathanael Heckmann • Aim: Symptom relief
Last updated Jun 27, 2026 12:00 UTC