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ClinicalTrials.gov public records Last synced Oct 22, 2026, 10:24 PM EDT

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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Treatment of PHN Clear all
Completed Phase 2 Interventional

Study of NGX-1998 for the Treatment of Postherpetic Neuralgia

NCT01228838
View directory record Official record
Conditions
Postherpetic Neuralgia, Pain
Interventions
NGX-1998, Placebo Liquid
Drug
Lead sponsor
NeurogesX
Industry
Eligibility
18 Years to 90 Years
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
35
States / cities
Huntsville, Alabama • Tucson, Arizona • Irvine, California + 32 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2012 · Synced Oct 22, 2026, 10:24 PM EDT
Terminated Phase 4 Interventional Results available

Pilot Study Of Pregabalin And Prediction Of Treatment Response In Patients With Postherpetic Neuralgia

NCT01603394
View directory record Official record
Conditions
Postherpetic Neuralgia
Interventions
pregabalin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
4
States / cities
Leesburg, Florida • Lexington, Kentucky • Raleigh, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2014 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 4 Interventional

A Study of the Effectiveness And Safety Of Lidoderm® As Add-On Treatment in Patients With Postherpetic Neuralgia, Diabetic Neuropathy, or Low Back Pain

NCT00904020
View directory record Official record
Conditions
Postherpetic Neuralgia, Diabetic Neuropathy, Low Back Pain
Interventions
Lidoderm
Drug
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
11
States / cities
Birmingham, Alabama • Phoenix, Arizona • Plantation, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 2Phase 3 Interventional

NGX-4010 for the Treatment of Postherpetic Neuralgia

NCT00061776
View directory record Official record
Conditions
Herpes Zoster, Neuralgia, Pain, Peripheral Nervous System Diseases, Shingles
Interventions
Capsaicin Dermal Patch
Drug
Lead sponsor
NeurogesX
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
28
States / cities
Huntsville, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2008 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Long-Term Safety of Hydrocodone Bitartrate Extended-Release Tablets (CEP-33237) in Patients Who Require Opioid Treatment for an Extended Period of Time

NCT01223365
View directory record Official record
Conditions
Chronic Pain
Interventions
Hydrocodone ER
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
54
States / cities
Mobile, Alabama • Anaheim, California • Beverly Hills, California + 46 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Early Phase 1 Interventional

3VM1001 Cream for the Treatment of Pain Associated With Post Herpetic Neuralgia (PHN)

NCT03421613
View directory record Official record
Conditions
Treatment of PHN
Interventions
3VM1001, Placebo
Drug · Other
Lead sponsor
CDA Research Group, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Chicago, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2018 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 2 Interventional Results available

A Clinical Study in Subjects With Neuropathic Pain From PHN Who Have Had an Inadequate Response to Gabapentin Treatment

NCT00617461
View directory record Official record
Conditions
Neuralgia, Postherpetic
Interventions
GEn 1200mg/day, GEn 3600mg/day
Drug
Lead sponsor
XenoPort, Inc.
Industry
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
42
States / cities
Phoenix, Arizona • Oxnard, California • Roseville, California + 36 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2013 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 2 Interventional

Lidocaine and Tetracaine Cream to Treat Postherpetic Neuralgia (PHN)

NCT00609323
View directory record Official record
Conditions
Postherpetic Neuralgia
Interventions
lidocaine and tetracaine cream 7%/7%, Placebo
Drug
Lead sponsor
ZARS Pharma Inc.
Industry
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
6
States / cities
Lexington, Kentucky • High Point, North Carolina • Winston-Salem, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2012 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 2 Interventional

Study of a Bupivacaine Patch (Eladur™) to Treat Post- Herpetic Neuralgia

NCT00478179
View directory record Official record
Conditions
Postherpetic Neuralgia, Pain
Interventions
Transdermal/Patch (Bupivacaine TTS [Eladur™])
Drug
Lead sponsor
Durect
Industry
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
7
States / cities
La Jolla, California • Loma Linda, California • Santa Monica, California + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2009 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 2 Interventional

A 2 Week Study of Topical KD7040 in the Treatment of Postherpetic Neuralgia (PHN)

NCT00576108
View directory record Official record
Conditions
Postherpetic Neuralgia, Shingles, Herpes Zoster, Neuropathic Pain
Interventions
KD7040 Topical Gel, Placebo gel
Drug
Lead sponsor
Kalypsys, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 22, 2008 · Synced Oct 22, 2026, 10:24 PM EDT
Not listed Phase 2 Interventional

Dose-Finding Study of REN-1654 in Patients With Post-Herpetic Neuralgia

NCT00099528
View directory record Official record
Conditions
Neuralgia, Shingles, Peripheral Nervous System Disease
Interventions
REN-1654
Drug
Lead sponsor
Renovis
Industry
Eligibility
55 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
16
States / cities
Huntsville, Alabama • Peoria, Arizona • Phoenix, Arizona + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2010 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 4 Interventional

Study of Pregabalin Therapy for Pain Relief in Subjects With Post-Herpetic Neuralgia

NCT00159666
View directory record Official record
Conditions
Post-Herpetic Neuralgia
Interventions
pregabalin
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
14
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Duarte, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 3 Interventional

Safety and Efficacy of Gabapentin in Postherpetic Neuralgia

NCT00335933
View directory record Official record
Conditions
Neuralgia, Postherpetic
Interventions
Gabapentin extended-release tablets
Drug
Lead sponsor
Depomed
Industry
Eligibility
18 Years and older
Enrollment
378 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 2, 2007 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 3 Interventional Results available

Safety And Efficacy Study Of Once Daily Controlled Release Pregabalin In The Treatment Of Patients With Postherpetic Neuralgia

NCT01270828
View directory record Official record
Conditions
Post Herpetic Neuralgia
Interventions
Pregabalin, placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
806 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
82
States / cities
Gulf Shores, Alabama • Chandler, Arizona • Phoenix, Arizona + 62 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2021 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 3 Interventional

Controlled Study of NGX-4010 for the Treatment of Postherpetic Neuralgia

NCT00068081
View directory record Official record
Conditions
Herpes Zoster, Neuralgia, Pain, Peripheral Nervous System Diseases
Interventions
Capsaicin Dermal Patch
Drug
Lead sponsor
NeurogesX
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
19
States / cities
Mesa, Arizona • Peoria, Arizona • Phoenix, Arizona + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2008 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 3 Interventional

Study to Evaluate the Efficacy and Safety of OraVescent Fentanyl Citrate Treatment for the Management of Breakthrough Pain in Opioid-Tolerant Patients With Noncancer-Related Chronic Pain

NCT00343733
View directory record Official record
Conditions
Pain
Interventions
OraVescent Fentanyl
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
21
States / cities
Hot Springs, Arkansas • Los Gatos, California • Oxnard, California + 16 more
Source: ClinicalTrials.gov public record
Updated May 9, 2014 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 2 Interventional

Study of NGX-4010 With the Use of Open Label Lidocaine (2.5%)/Prilocaine (2.5%) Cream for the Treatment of Postherpetic Neuralgia (PHN)

NCT00916942
View directory record Official record
Conditions
Postherpetic Neuralgia
Interventions
capsaicin 8%, Lidocaine (2.5%)/Prilocaine (2.5%) Cream
Drug
Lead sponsor
NeurogesX
Industry
Eligibility
18 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
6
States / cities
Naples, Florida • St. Petersburg, Florida • Marietta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2009 · Synced Oct 22, 2026, 10:24 PM EDT
Terminated Phase 3 Interventional

A Comparative Study of FV-100 vs. Valacyclovir for the Prevention of Post-Herpetic Neuralgia

NCT02412917
View directory record Official record
Conditions
Shingles, Herpes Zoster, Postherpetic Neuralgia
Interventions
FV-100, valacyclovir
Drug
Lead sponsor
ContraVir Pharmaceuticals, Inc.
Industry
Eligibility
30 Years and older
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Webster, Texas
Source: ClinicalTrials.gov public record
Updated Dec 22, 2017 · Synced Oct 22, 2026, 10:24 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Study to Find Out if Therapy With the Drug Pregabalin Relieves Pain During Shingles Compared With Placebo

NCT00352651
View directory record Official record
Conditions
Herpes Zoster, Postherpetic Neuralgia
Interventions
Pregabalin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 80 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2011 · Synced Oct 22, 2026, 10:24 PM EDT
Not listed Phase 2 Interventional

Study to Compare Efficacy of Topical ARYS-01 (Sorivudine) Cream 3%, Oral Valaciclovir and Combination ARYS-01 Cream 3%/Oral Valaciclovir for Treatment of Herpes Zoster (Shingles)

NCT00652184
View directory record Official record
Conditions
Herpes Zoster, Postherpetic Neuralgia
Interventions
ARYS-01 (sorivudine) cream 3% or placebo cream, placebo, valaciclovir
Drug
Lead sponsor
aRigen Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
10
States / cities
Beverly Hills, California • Encino, California • Vista, California + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2008 · Synced Oct 22, 2026, 10:24 PM EDT
Terminated Phase 2 Interventional

[S,S]-Reboxetine Add-On Trial

NCT00334685
View directory record Official record
Conditions
Pain
Interventions
[S,S]-Reboxetine + Pregabalin, Pregabalin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
7
States / cities
Huntsville, Alabama • Gilbert, Arizona • North Dartmouth, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 22, 2026, 10:24 PM EDT
Completed No phase listed Observational Results available

Phase IV Study of FDA Approved, Once-Daily GRALISE™(Gabapentin) Tablets for the Treatment of Postherpetic Neuralgia

NCT01426230
View directory record Official record
Conditions
Post Herpetic Neuralgia
Interventions
Not listed
Lead sponsor
Depomed
Industry
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
37
States / cities
Mobile, Alabama • Tuscaloosa, Alabama • Phoenix, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2013 · Synced Oct 22, 2026, 10:24 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Gabapentin in Postherpetic Neuralgia

NCT00636636
View directory record Official record
Conditions
Neuralgia,Postherpetic
Interventions
Gabapentin Extended Release tablets, Placebo
Drug
Lead sponsor
Depomed
Industry
Eligibility
18 Years and older
Enrollment
452 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
36
States / cities
Birmingham, Alabama • Tuscaloosa, Alabama • Phoenix, Arizona + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2012 · Synced Oct 22, 2026, 10:24 PM EDT
Not listed Phase 2 Interventional

Efficacy and Safety Study of SLC022 in Treating Pain Associated With Post Herpetic Neuralgia

NCT00813826
View directory record Official record
Conditions
Postherpetic Neuralgia
Interventions
SLC022, Placebo
Drug
Lead sponsor
Solace Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
19
States / cities
Sierra Vista, Arizona • Mission Viejo, California • Orlando, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2009 · Synced Oct 22, 2026, 10:24 PM EDT