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Trigeminal neuralgia is a nerve disorder that causes a stabbing or electric-shock-like pain in parts of the face. The pain lasts a few seconds to a few minutes, and usually on only one side of the face. It can also cause muscle spasms in the face the same time as the pain. The pain may result from a blood vessel pressing against the trigeminal nerve (the nerve that carries pain, feeling, and other sensations from the brain to the skin of theface), as a complication of multiple sclerosis, or due to compression of the nerve by a tumor or cyst. In some cases, the cause is unknown. Treatment options include medicines, surgery, and complementary approaches.
Features include: Trigeminal neuralgia.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 1 | Trigeminal neuralgia |
Biomarker and diagnostic research for trigeminal neuralgia has been reported in the published literature.
1 FDA-approved treatment is available for trigeminal neuralgia, including CARBAMAZEPINE (EQUETRO, approved 2004). An additional 5 compounds hold orphan drug designation.
Brand Name | Generic Name | Mechanism | Approved | Market Status |
|---|---|---|---|---|
Estimated prevalence: Unknown (Unknown prevalence).
48 clinical trials registered, 21 recruiting. Interventions under study include procedural interventions, other interventions, drug therapy, and medical devices. Pipeline includes 2 PHASE4, 1 PHASE3, 4 PHASE2. Research is sponsored by a mix of industry and academic institutions.
NCT ID | Title | Phase | Sponsor | Status |
|---|---|---|---|---|
[NCT06518421](https://clinicaltrials.gov/study/NCT06518421) |
Data assembled from 7 of 12 sources · Last updated Sep 19, 2026, 1:03 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
EQUETRO
CARBAMAZEPINE |
— |
2004 |
Available |
The following drugs have received orphan drug designation from the FDA for trigeminal neuralgia. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor | Designated | Exclusivity End | Designation Status |
|---|---|---|---|---|---|
A potent negative allosteric modulator (NAM) of human alpha5-GABAA receptor | A potent negative allosteric modulator (NAM) of human alpha5-GABAA receptor | Shanghai SIMR Biotechnology Co., Ltd. | 2024 | — | Designated |
carbon dioxide | carbon dioxide | Capnia, Inc. | 2015 | — | Designated |
vixotrigine | vixotrigine | Biogen, Inc. | 2013 | — | Designated |
dehydrated alcohol | dehydrated alcohol | Luitpold Pharmaceuticals, Inc. | 2012 | — | Designated |
L-baclofen | L-baclofen | Osmotica Pharmaceutical Corp. | 1998 | — | Designated |
Gene therapy approaches for trigeminal neuralgia have been reported in the published literature.
48 trials found
Emotion and Memory in Chronic Neuropathic Pain |
— |
University Health Network, Toronto |
RECRUITING |
[NCT06684275](https://clinicaltrials.gov/study/NCT06684275) | Comparison of Pulsed and Thermal Radiofrequency for Trigeminal Neuralgia | NA | Zagazig University | RECRUITING |
[NCT06216886](https://clinicaltrials.gov/study/NCT06216886) | OnabotulinumtoxinA for Trigeminal Neuralgia | PHASE4 | Stanford University | RECRUITING |
[NCT06779578](https://clinicaltrials.gov/study/NCT06779578) | Fluoroscopic-Guided Bipolar Versus Monopolar Pulsed Radiofrequency for Refractory Trigeminal Neuralgia | NA | Alexandria University | RECRUITING |
[NCT06851910](https://clinicaltrials.gov/study/NCT06851910) | Intravenous Lacosamide for the Treatment of Acute Pain in Trigeminal Neuralgia | — | Hospital Universitari de Bellvitge | RECRUITING |
283 publications have been identified in PubMed for trigeminal neuralgia. Research spans Clinical Trial Publication (26%), Review / Meta-Analysis (25%), and Basic Science / Preclinical (21%).
Research Type | Count | % of Total |
|---|---|---|
Clinical study results | 73 | 26% |
Research summaries | 71 | 25% |
Laboratory research | 59 | 21% |
Patient case studies | 28 | 10% |
Disease patterns and progression | 27 | 10% |
Testing and diagnosis research | 18 | 6% |
New treatment approaches | 5 | 2% |
Other research | 2 | 1% |
Sakai K (2026). [PMID: 41871412](https://pubmed.ncbi.nlm.nih.gov/41871412/). *J Neurosurg Case Lessons*. [Diagnostic / Biomarker]
Bhatia S (2026). [PMID: 41273985](https://pubmed.ncbi.nlm.nih.gov/41273985/). *Clin Neurol Neurosurg*. [Epidemiology / Natural History]
Thomas DC (2026). [PMID: 41238336](https://pubmed.ncbi.nlm.nih.gov/41238336/). *Dental clinics of North America*. [Review / Meta-Analysis]
Lu J (2026). [PMID: 41135808](https://pubmed.ncbi.nlm.nih.gov/41135808/). *Neuropharmacology*. [Basic Science / Preclinical]
Wang YQ (2026). [PMID: 41582555](https://pubmed.ncbi.nlm.nih.gov/41582555/). *ACS Chem Neurosci*. [Basic Science / Preclinical]
Wang L (2026). [PMID: 41967869](https://pubmed.ncbi.nlm.nih.gov/41967869/). *Cephalalgia*. [Diagnostic / Biomarker]
Samuele S (2026). [PMID: 41981205](https://pubmed.ncbi.nlm.nih.gov/41981205/). *Acta Neurochir (Wien)*. [Clinical Trial Publication]
Nonaka Y (2026). [PMID: 41653197](https://pubmed.ncbi.nlm.nih.gov/41653197/). *Acta Neurochir (Wien)*. [Clinical Trial Publication]
Hu F (2026). [PMID: 41478600](https://pubmed.ncbi.nlm.nih.gov/41478600/). *Neuropharmacology*. [Basic Science / Preclinical]
Henssen D (2026). [PMID: 41307659](https://pubmed.ncbi.nlm.nih.gov/41307659/). *Eur Radiol*. [Review / Meta-Analysis]
AI-curated news mentioning trigeminal neuralgia
Updated Apr 10, 2026
A recent study highlights a rare neurovascular conflict where duplication of the right superior cerebellar artery is linked to trigeminal neuralgia. This discovery may enhance understanding of the condition's etiology and inform future treatment strategies.
A study evaluates the efficacy of microvascular decompression and selective nerve root dissection for treating trigeminal neuralgia combined with glossopharyngeal neuralgia. The findings contribute to understanding treatment options for these painful conditions.