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Biomarker and diagnostic research for postherpetic neuralgia has been reported in the published literature.
3 FDA-approved treatments are available for postherpetic neuralgia, including GABAPENTIN (GRALISE, approved 2011), GABAPENTIN ENACARBIL (HORIZANT, approved 2011), and PREGABALIN (LYRICA CR, approved 2017). An additional 9 compounds hold orphan drug designation.
Brand Name | Generic Name | Mechanism | Approved |
|---|
23 clinical trials registered, 8 recruiting. Interventions under study include drug therapy, medical devices, other interventions, and procedural interventions. Pipeline includes 1 PHASE4, 2 PHASE2, 1 PHASE1. Research is sponsored by a mix of industry and academic institutions.
NCT ID | Title | Phase | Sponsor | Status |
|---|---|---|---|---|
[NCT07256145](https://clinicaltrials.gov/study/NCT07256145) |
Data assembled from 5 of 12 sources · Last updated Sep 18, 2026, 10:22 PM UTC
European rare disease database
LYRICA CR | PREGABALIN | — | 2017 | Available |
HORIZANT | GABAPENTIN ENACARBIL | — | 2011 | Available |
GRALISE | GABAPENTIN | — | 2011 | Available |
LYRICA | PREGABALIN | — | 2004 | Available |
NEURONTIN | GABAPENTIN | — | 2000 | Available |
The following drugs have received orphan drug designation from the FDA for postherpetic neuralgia. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor | Designated | Exclusivity End | Designation Status |
|---|---|---|---|---|---|
d-methadone | d-methadone | Levomecor Inc. | 2016 | — | Designated |
naltrexone/clonidine combination | naltrexone/clonidine combination | Allodynic Therapeutics LLC | 2014 | — | Designated |
1-(4-benzhydrylpiperazin-1-yl)-3,3-diphenylpropan-1-one | 1-(4-benzhydrylpiperazin-1-yl)-3,3-diphenylpropan-1-one | Zalicus Pharmaceuticals Ltd. | 2013 | — | Withdrawn |
amitriptyline and ketamine | amitriptyline and ketamine | Immune Pharmaceuicals, Inc. | 2010 | — | Designated |
mepivacaine | mepivacaine | Relmada Therapeutics, Inc. | 2007 | — | Designated |
Capsaicin | Capsaicin | TheraQuest Biosciences, LLC | 2005 | — | Designated |
Alfentanil | Alfentanil | Cinergen, LLC | 2005 | — | Designated |
Tramadol hydrochloride | Tramadol hydrochloride | TheraQuest Biosciences, LLC | 2005 | — | Designated |
civamide | civamide | Winston Laboratories, Inc. | 2002 | — | Designated |
Gene therapy approaches for postherpetic neuralgia have been reported in the published literature.
23 trials found
Comparison Between the Efficacy of Ultrasound-guided Erector Spinae Plane Block and Conventional Treatment for Pain Management in Patients With Post-herpetic Neuralgia |
NA |
Alexandria University |
RECRUITING |
[NCT06290661](https://clinicaltrials.gov/study/NCT06290661) | Clinical Trial of the Safety and Efficacy of Peripheral Nerve Stimulation in the Treatment of Peripheral Neuropathic Pain. | NA | Union Hospital, Tongji Medical College, Huazhong University of Science and Technology | RECRUITING |
[NCT07400640](https://clinicaltrials.gov/study/NCT07400640) | Erector Spinae Plane Block Versus Transcutaneous Radiofrequency in Postherpetic Neuralgia | — | Diskapi Teaching and Research Hospital | RECRUITING |
[NCT07275762](https://clinicaltrials.gov/study/NCT07275762) | Y-4 to Treat the Postherpetic Neuralgia | PHASE2 | Neurodawn Pharmaceutical Co., Ltd. | RECRUITING |
[NCT07361796](https://clinicaltrials.gov/study/NCT07361796) | The Analgesic Efficacy and Safety of Venlafaxine for Prevention of Postherpetic Neuralgia in Patients With Acute Herpes Zoster | NA | Beijing Tiantan Hospital | RECRUITING |
202 publications have been identified in PubMed for postherpetic neuralgia. Research spans Review / Meta-Analysis (38%), Epidemiology / Natural History (20%), and Clinical Trial Publication (16%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 65 | 38% |
Disease patterns and progression | 35 | 20% |
Clinical study results | 28 | 16% |
Laboratory research | 21 | 12% |
New treatment approaches | 8 | 5% |
Testing and diagnosis research | 7 | 4% |
Patient case studies | 6 | 3% |
Other research | 2 | 1% |
Kim B (2026). [PMID: 41540421](https://pubmed.ncbi.nlm.nih.gov/41540421/). *BMC Complement Med Ther*. [Review / Meta-Analysis]
Lawson E (2026). [PMID: 41017645](https://pubmed.ncbi.nlm.nih.gov/41017645/). *Pain Med*. [Review / Meta-Analysis]
Li X (2026). [PMID: 42267147](https://pubmed.ncbi.nlm.nih.gov/42267147/). *J Pain Res*. [Review / Meta-Analysis]
Salleras M (2026). [PMID: 41783709](https://pubmed.ncbi.nlm.nih.gov/41783709/). *Front Public Health*. [Epidemiology / Natural History]
Tang Q (2026). [PMID: 41903446](https://pubmed.ncbi.nlm.nih.gov/41903446/). *Geriatr Nurs*. [Clinical Trial Publication]
Peng L (2026). [PMID: 41799932](https://pubmed.ncbi.nlm.nih.gov/41799932/). *MedComm (2020)*. [Review / Meta-Analysis]
He Y (2026). [PMID: 30725814](https://pubmed.ncbi.nlm.nih.gov/30725814/). *Unknown Journal*. [Basic Science / Preclinical]
Na Y (2026). [PMID: 42222643](https://pubmed.ncbi.nlm.nih.gov/42222643/). *J Pain Res*. [Review / Meta-Analysis]
Ben Aziz M (2026). [PMID: 32644734](https://pubmed.ncbi.nlm.nih.gov/32644734/). *Unknown Journal*. [Epidemiology / Natural History]
Wu D (2026). [PMID: 41353704](https://pubmed.ncbi.nlm.nih.gov/41353704/). *Pain Ther*. [Diagnostic / Biomarker]