Evaluating radiosurgery for treating trigeminal neuralgia

Observational Study on the Treatment of Trigeminal Neuralgia by Radiosurgery

Observational Centre Hospitalier Princesse Grace · NCT05677243

This study is testing if a special type of radiation treatment can help relieve pain for people with trigeminal neuralgia.

Quick facts

Study typeObservational
Enrollment150 (estimated)
Ages18 Years and up
SexAll
SponsorCentre Hospitalier Princesse Grace Academic / other
Locations1 site (Monaco)
Trial IDNCT05677243 on ClinicalTrials.gov

What this trial studies

This observational study assesses the outcomes of patients with classical trigeminal neuralgia who are treated using high dose rate radiosurgery on a LINAC machine. Conducted at the Centre Hospitalier Princesse Grace, the study includes both retrospective and prospective case series from April 2018 to January 2028. Patients will receive a frameless technique delivering 90 Gy to the intra cisternal portion of the trigeminal nerve, focusing on pain relief and sensory changes.

Who should consider this trial

Good fit: Ideal candidates are adults over 18 with classical trigeminal neuralgia resistant to maximum tolerated medical therapy and experiencing severe pain.

Not a fit: Patients with secondary trigeminal neuralgia or those who have previously undergone radiosurgery will not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could provide significant pain relief for patients suffering from trigeminal neuralgia who have not responded to conventional medical therapies.

How similar studies have performed: While there have been studies on radiosurgery for trigeminal neuralgia, this specific approach using high dose rate on LINAC is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Classical trigeminal neuralgia according the International Classification of Headache Disorders
* Trigeminal neuralgia resistant to the maximum tolerated medical therapy, with pain intensity according to the Barrow Neurological Institute (BNI) score IV or V.
* Patients aged \> 18

Exclusion Criteria:

* Patients suffering from secondary Trigeminal neuralgia (tumour in the cerebellopontine angle, arteriovenous malformation or multiple sclerosis)
* Previous history of radiosurgery procedure

Where this trial is running

Monaco

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Trigeminal NeuralgiaRadiosurgeryLINACPain reliefHypesthesia
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.