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Efficacy and Safety of Oral Antiviral Therapy for Idiopathic Trigeminal Neuralgia

Efficacy and Safety of Oral Antiviral Drug Combined With Carbamazepine Versus Celecoxib Combined With Carbamazepine in the Treatment of Idiopathic Trigeminal Neuralgia: A Multicenter, Randomized Controlled Trial

Status
Not yet recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07673549
Acronym
ANT-TN
Enrollment
165
Registered
2026-06-29
Start date
2026-08-31
Completion date
2027-12-31
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Idiopathic Trigeminal Neuralgia

Brief summary

This is a multicenter, prospective, randomized, controlled trial. A total of 165 patients with idiopathic trigeminal neuralgia will be enrolled and randomly divided into three groups at a 1:1:1 ratio. The aim is to compare the efficacy and safety of conventional carbamazepine monotherapy, carbamazepine combined with oral antiviral therapy, and carbamazepine combined with anti-inflammatory therapy in pain relief, quality of life improvement and adverse event profiles.

Detailed description

Idiopathic trigeminal neuralgia is a severe neuropathic pain disorder. Carbamazepine is the first-line conventional treatment, but some patients have insufficient pain relief or intolerable side effects. Viral latent infection and neuroinflammation are considered potential pathogenesis of trigeminal neuralgia. This study intends to explore whether adding oral antiviral agent (acyclovir) or non-steroidal anti-inflammatory drug (celecoxib) can further improve pain control, reduce carbamazepine consumption, improve mood status and quality of life, and ensure clinical safety. All participants will receive 12-week standardized treatment and follow-up at 1 week, 2 weeks, 1 month, 3 months and 6 months after enrollment.

Interventions

DRUGIntervention:Drug: Carbamazepine

ArmA Dosage:Initial dose 200 mg daily, titrated gradually to maximum 600 mg daily, divided into 2-3 times per day for 12 weeks.

DRUGIntervention:Drug: Carbamazepine + Acyclovir

ArmB Dosage:Carbamazepine 200-600 mg/d; Acyclovir 800 mg three times daily for 12 weeks.

DRUGIntervention:Drug: Carbamazepine + Celecoxib

Dosage:Carbamazepine 200-600 mg/d; Celecoxib 200 mg twice daily for 12 weeks.

Sponsors

Beijing Tiantan Hospital
Lead SponsorOTHER
Beijing Sanbo Brain Hospital
CollaboratorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Diagnosed with idiopathic trigeminal neuralgia according to standard clinical criteria. 2. No secondary etiology confirmed by cranial imaging. 3. No severe systemic disease or immune system disease. 4. Voluntary participation and signed informed consent.

Exclusion criteria

1. Secondary trigeminal neuralgia of any cause. 2. Active herpes zoster infection recently. 3. Severe hepatic or renal insufficiency or contraindications to study drugs. 4. Unable to complete questionnaire evaluation independently. 5. Pregnancy or lactation state. -

Design outcomes

Primary

MeasureTime frameDescription
Changes in Visual Analogue Scale (VAS) Pain ScoreBaseline, 1 week, 2 weeks, 1 month, 3 months after treatmentPain intensity is evaluated by VAS score. Effective pain relief is defined as a reduction of ≥50% from baseline VAS score.

Secondary

MeasureTime frame
Quality of Life (SF-36) Score1 week, 2 weeks, 1 month, 3 months
Anxiety and Depression Score (HADS)1 week, 2 weeks, 1 month, 3 months
Average Daily Carbamazepine Consumption1 week, 2 weeks, 1 month, 3 months
Adverse Event IncidenceThroughout 12-week treatment and follow-up period

Contacts

CONTACTTianying Li tyli, doctor
Litypacop@163.com+86-15560392365

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 30, 2026