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RECRUITING
NCT06768580
NA

Effect of Oral Melatonin Versus Intraoperative Lidocaine Infusion on Incidence of Postoperative Delirium in Elderly Patients Undergoing Total Hip Arthroplasty

Sponsor: Tanta University

View on ClinicalTrials.gov

Summary

The aim of this study is to assess the effect of oral melatonin versus intraoperative lidocaine infusion on incidence of postoperative delirium in elderly patients undergoing total hip arthroplasty under spinal anesthesia.

Official title: Effect of Oral Melatonin Versus Intraoperative Lidocaine Infusion on Incidence of Postoperative Delirium in Elderly Patients Undergoing Total Hip Arthroplasty: Prospective Randomized Controlled Blinded Study

Key Details

Gender

All

Age Range

65 Years - Any

Study Type

INTERVENTIONAL

Enrollment

135

Start Date

2025-01-15

Completion Date

2026-10-01

Last Updated

2025-04-15

Healthy Volunteers

No

Conditions

Oral MelatoninLidocaine InfusionPostoperative DeliriumElderly PatientsTotal Hip Arthroplasty

Interventions

DRUG

Melatonin

Patients will receive one capsule of melatonin (5mg) orally the night before surgery at 9 pm, the night of the operation, and two nights after the surgical operation at 9 pm, also the patients will receive 10 ml bolus of saline intravenous (IV) over 10 min before induction of anesthesia, then continuous infusion of saline (20 ml/hr) until the end of surgery.

DRUG

Lidocaine

Patients will receive a bolus (10 ml) of intravenous lidocaine (1mg/kg) diluted with saline over 10 min before induction of anesthesia. Continuous infusion of 1.5 mg/kg/hr of intravenous lidocaine diluted with saline (20 ml/hr) will be administered until the end of the surgery, also will receive placebo capsule the night before surgery at 9 pm, the night of operation and two nights after the surgical operation at 9 pm.

DRUG

Placebo

Patients will receive a bolus (10 ml) of saline over 10 min before induction of anesthesia, then continuous infusion of saline (20 ml/hr) and placebo capsule the night before surgery at 9 pm, the night of the operation and two nights after the surgical operation at 9 pm.

Locations (1)

Tanta University

Tanta, El-Gharbia, Egypt