Ultrasound-Guided Infraclvicular Block Using Dexmedetomidine Versus Nalbuphine as Adjuvants to Bupivacaine in Upper Limb Orthopedic Surgery

this study is designed to evaluate and compare the efficacy of dexmedetomidine and nalbuphine as adjuvants to 0.5% bupivacaine in ultrasound-guided infraclavicular brachial plexus block for patients undergoing elective upper limb orthopedic surgeries on the duration of analgesia.

NCT Number	NCT07279727
Lead Sponsor	Assiut University
Conditions	Regional Anaesthesia
Enrollment	66 participants
Start Date	2026-01-01
Primary Completion	2026-12-31 (estimated)
Study Completion	2027-04-01 (estimated)
Updated on ClinicalTrials.gov	2025-12-12