This study tests two ways to numb the shoulder area for collarbone fracture surgery. One method (SCB-ISB) can sometimes cause breathing problems. The other (SCB-CPB) aims to provide the same pain relief but with fewer side effects. 34 adults having collarbone surgery will be rand…
Phase: NA • Sponsor: Udayana University • Aim: Symptom relief
Last updated May 14, 2026 12:03 UTC