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A Comparison of EpiCept™ NP-1 Topical Cream vs. Oral Gabapentin in Postherpetic Neuralgia (PHN)

This study is ongoing, but not recruiting participants.

Sponsored by: EpiCept Corporation
Information provided by: EpiCept Corporation
ClinicalTrials.gov Identifier: NCT00475904
  Purpose

The purpose of this study is to compare EpiCept™ NP-1 Topical Cream (2% ketamine / 4% amitriptyline) vs. Oral Gabapentin in the treatment of Postherpetic Neuralgia (PHN)


Condition Intervention Phase
Post Herpetic Neuralgia
PHN
Neuropathy
Nerve Pain
Drug: EpiCept-NP-1 Cream
Drug: Gabapentin Capsules
Drug: placebo
Phase II

MedlinePlus related topics:   Shingles   

ChemIDplus related topics:   Amitriptyline    Amitriptyline hydrochloride    Gabapentin    Ketamine    Ketamine hydrochloride   

U.S. FDA Resources

Study Type:   Interventional
Study Design:   Treatment, Randomized, Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Active Control, Parallel Assignment, Safety/Efficacy Study
Official Title:   A Phase II, Double-Blind, Randomized, Placebo-Controlled Non-Inferiority Trial of EpiCept™ NP-1 Topical Cream (2% Ketamine / 4% Amitriptyline) vs. Oral Gabapentin in Postherpetic Neuralgia (PHN)

Further study details as provided by EpiCept Corporation:

Primary Outcome Measures:
  • Improvement in pain intensity [ Time Frame: 28 Days ] [ Designated as safety issue: Yes ]

Estimated Enrollment:   500
Study Start Date:   July 2007
Estimated Study Completion Date:   June 2008
Estimated Primary Completion Date:   June 2008 (Final data collection date for primary outcome measure)

Arms Assigned Interventions
A, 1: Active Comparator
Np-1 cream and placebo gabapentin
Drug: EpiCept-NP-1 Cream
ketamine 4% amitriptyline 2% cream, twice daily for 4 weeks
a,2: Active Comparator
gabapentin caps and placebo cream
Drug: Gabapentin Capsules
1800mg/day capsules for 4 weeks
p, 1: Placebo Comparator
placebo cream and capsules
Drug: placebo
placebo cream and caps

Detailed Description:

This is a phase II, multicenter, double-blind, randomized, placebo-controlled, parallel group study of NP-1 and oral gabapentin in approximately 500 patients with PHN. Adult patients with pain resulting from PHN and meeting all other eligibility requirements will be screened for 7 days to determine their average daily pain intensity. Qualifying patients will be randomized on a 2:2:1 basis to NP-1, oral gabapentin, or placebo. The treatment period will be 4-Weeks.

  Eligibility
Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Criteria

Inclusion Criteria:

  • Adult patients with pain for ≥ 3 months following onset of a herpes zoster rash

Exclusion Criteria:

  • Clinically significant intercurrent illness (e.g., endocrine, cardiac, hepatic, renal, neurologic, hematologic, skeletal) that the investigator determines could interfere with the efficacy or safety assessments.
  Contacts and Locations

Please refer to this study by its ClinicalTrials.gov identifier: NCT00475904

Locations
India
Multiple Centers    
      New Delhi, India, 110016

Sponsors and Collaborators
EpiCept Corporation

Investigators
Principal Investigator:     Robert H Dworkin, Ph.D.     University of Rochester    
  More Information


Study ID Numbers:   EPC2007-02
First Received:   May 17, 2007
Last Updated:   April 21, 2008
ClinicalTrials.gov Identifier:   NCT00475904
Health Authority:   United States: Food and Drug Administration;   India: Ministry of Health

Keywords provided by EpiCept Corporation:
Post Herpetic Neuralgia  
PHN  
Neuropathy  
Nerve Pain  
Topical  

Study placed in the following topic categories:
Neuralgia, Postherpetic
Excitatory Amino Acids
Signs and Symptoms
Neuromuscular Diseases
Neuralgia
Gabapentin
Peripheral Nervous System Diseases
Amitriptyline
Ketamine
Neurologic Manifestations
Pain

Additional relevant MeSH terms:
Neurotransmitter Agents
Tranquilizing Agents
Molecular Mechanisms of Pharmacological Action
Anti-Dyskinesia Agents
Nervous System Diseases
Physiological Effects of Drugs
Psychotropic Drugs
Central Nervous System Depressants
Antiparkinson Agents
Calcium Channel Blockers
Excitatory Amino Acid Agents
Cardiovascular Agents
Antimanic Agents
Pharmacologic Actions
Membrane Transport Modulators
Sensory System Agents
Therapeutic Uses
Anti-Anxiety Agents
Analgesics
Peripheral Nervous System Agents
Central Nervous System Agents
Anticonvulsants
Excitatory Amino Acid Antagonists

ClinicalTrials.gov processed this record on October 10, 2008




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