Dexmedetomidine group,placebo group

2 trials

Sponsors

Ramathibodi hospital, self support

Conditions

Elective supratentorial craniotomy Scalp block&#44orthognathic surgery patients dexmedetomidine, blood loss, orthognathic surgery

Phase 1

Comparison the Effect of Dexmedetomidine with Levobupivacaine and Lebvobupivacaine in Scalp Nerves Block before Craniotomy on the Duration of Analgesia in Supratentorial Craniotomy

Active, not recruitingTCTR20200317002

Ramathibodi hospitalElective supratentorial craniotomy Scalp block&#44

Start: 2019-05-01Target: 50Updated: 2026-08-03

Phase 4

Effect of dexmedetomidine on blood loss and patient outcomes in orthognathic surgery

Active, not recruitingTCTR20230818002

self supportorthognathic surgery patients dexmedetomidine, blood loss, orthognathic surgery

Start: 2023-09-08Target: 60Updated: 2026-08-03