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Safety and Efficacy of Lidocaine Versus Ketamine Infusion for Resistant Orofacial Pain

NCT07250867 · Status: NOT_YET_RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 105

Last updated 2025-11-26

No results posted yet for this study

Summary

A prospective, randomized, double-blind clinical trial comparing the safety and efficacy of intravenous lidocaine, ketamine, and their combination as treatment options for patients suffering from treatment-resistant orofacial pain. The study measures pain reduction primarily using the Visual Analog Scale and evaluates safety and tolerability over a follow-up period of 6 months.

Conditions

  • Orofacial Pain

Interventions

DRUG

Lidocaine Intravenous Infusion

Participants receive a slow intravenous infusion of lidocaine at a dose of 5 mg/kg (not exceeding 500 mg in total), diluted in 0.9% saline and administered over a 4-hour period, once weekly for three consecutive weeks. Continuous monitoring of cardiovascular and neurological status is provided during and after infusion to assess for efficacy and safety in cases of treatment-resistant orofacial pain.

DRUG

Ketamine intravenous infusion

Participants receive a slow intravenous infusion of ketamine at a dose of 0.3 mg/kg, diluted in 0.9% saline and delivered over 4 hours, once weekly for three consecutive weeks. The procedure includes monitoring for cardiovascular and CNS adverse effects. This intervention aims to evaluate the analgesic and safety profile of ketamine in patients with persistent orofacial pain unresponsive to standard therapies.

DRUG

Combined lidocaine and ketamine intravenous infusion

Participants receive a single intravenous infusion containing both lidocaine (2.5 mg/kg) and ketamine (0.15 mg/kg) diluted in 0.9% saline, administered over 4 hours, once weekly for three consecutive weeks. This intervention is designed to determine whether the combination of lidocaine and ketamine provides synergistic analgesic effects and improved tolerability compared to either drug alone in treating resistant orofacial pain.

Sponsors & Collaborators

  • Assiut University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-01-31
Primary Completion
2027-01-31
Completion
2027-02-28

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07250867 on ClinicalTrials.gov