Overview TAP Block in Laparoscopic Cholecystectomy. Status: Completed Trial end date: 2019-12-15 Target enrollment: Participant gender: Summary Ultrasound-guided transversus abdominis plane block is now widely used in abdominal surgery. Recently, magnesium sulphate is used as adjuvant to local anesthetics. Phase: Phase 2 Details Lead Sponsor: Assiut UniversityTreatments: BupivacaineMagnesium Sulfate