Efficacy, Tolerability, and Safety of NXN-462 in Patients With Post-Herpetic Neuralgia

NCT ID: NCT01748877

Last Updated: 2014-06-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

188 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-01-31

Study Completion Date

2014-06-30

Brief Summary

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The purpose of this study is to investigate whether NXN-462, a selective nNOS inhibitor, is effective in reducing pain levels in patients with post-herpetic neuralgia.

Detailed Description

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NXN-462 is designed to target the nitric oxide synthase system (NOS), specifically the neuronal NOS (nNOS) isoform. By design, NXN-462 is a potent inhibitor of nNOS with good affinity, and has little or no affinity for a range of G protein-coupled receptors, ion channels, and enzymes. NXN-462 is being developed as an oral therapy for the treatment of neuropathic pain syndromes, including PHN. This drug design strategy provides a new therapeutic paradigm for the treatment of chronic neuropathic pain.

Conditions

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Post Herpetic Neuralgia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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NXN-462

capsule, 200 mg, bi.d. 28-days

Group Type EXPERIMENTAL

NXN-462

Intervention Type DRUG

Study drug is to be self-administered twice each day by the patient. Each day the first dose of study drug should be taken preferably one hour prior to, OR one hour after the first meal (breakfast) of the day. The second and final dose each day should be taken with a glass of water at least one hour after the last meal immediately before retiring to sleep.

Placebo

capsule, b.i.d. 28-days

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Study drug is to be self-administered twice each day by the patient. Each day the first dose of study drug should be taken preferably one hour prior to, OR one hour after the first meal (breakfast) of the day. The second and final dose each day should be taken with a glass of water at least one hour after the last meal immediately before retiring to sleep.

Interventions

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NXN-462

Study drug is to be self-administered twice each day by the patient. Each day the first dose of study drug should be taken preferably one hour prior to, OR one hour after the first meal (breakfast) of the day. The second and final dose each day should be taken with a glass of water at least one hour after the last meal immediately before retiring to sleep.

Intervention Type DRUG

Placebo

Study drug is to be self-administered twice each day by the patient. Each day the first dose of study drug should be taken preferably one hour prior to, OR one hour after the first meal (breakfast) of the day. The second and final dose each day should be taken with a glass of water at least one hour after the last meal immediately before retiring to sleep.

Intervention Type DRUG

Other Intervention Names

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NXN-462 dihydrochloride

Eligibility Criteria

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Inclusion Criteria

* Male, or a non-pregnant, non-lactating female 18 years or older
* Have voluntarily provided written informed consent
* able to speak, read, write, and understand English
* clinical diagnosis of PHN for a minimum of 6 months
* pain intensity score of ≥3 on a 0-10 Numerical Rating Scale (NRS) at the Screening Visit
* generally in good health (other than PHN) at Screening

Exclusion Criteria

* Are pregnant and/or lactating
* Diagnosis of any chronic pain syndrome that would interfere with the assessment of PHN
* evidence of multiple causes of neuropathic pain,e.g.lumbar radiculopathy in the lumbosacral area
* Have had neuroablation or neurosurgical intervention for PHN
* Have been taking opioid analgesics for \>5 days/week
* Have received nerve block or intrathecal analgesia within 6 weeks of the study
* History of significant gastrointestinal disease, liver disease, renal disease, endocrine disease, or cardiovascular disease
* clinically significant abnormal clinical laboratory test results or vital signs
* Are immunocompromised or immunosuppressed for any reason
* History of alcohol or other substance abuse (not including nicotine or tobacco) within 5 years
* Significant psychiatric disorder which requires drug treatment (except depression or anxiety treated with Selective Serotonin Re-uptake Inhibitors)
* Have received an investigational drug or have used an investigational device within 30 days of Screening.
* Have previously been randomized to this study
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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NeurAxon Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Thomas Lategan, D.Phil.

Role: STUDY_DIRECTOR

NeurAxon Inc.

Locations

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Premier Research

Phoenix, Arizona, United States

Site Status

University of Southern California

Los Angeles, California, United States

Site Status

Northern California Research

Sacramento, California, United States

Site Status

Neurological Research Institute

Santa Monica, California, United States

Site Status

Meridien Research

Brooksville, Florida, United States

Site Status

FPA Clinical Research

Kissimmee, Florida, United States

Site Status

Suncoast Clinical Research

New Port Richey, Florida, United States

Site Status

Compass Research LLC

Orlando, Florida, United States

Site Status

Meridien Research

Tampa, Florida, United States

Site Status

Medex Healthcare Research, Inc.

Chicago, Illinois, United States

Site Status

Integrated Clinical Trial Services

West Des Moines, Iowa, United States

Site Status

IRC Clinics

Towson, Maryland, United States

Site Status

Boston Clinical Trials

Boston, Massachusetts, United States

Site Status

Michigan Head-Pain and Neurological Institute

Ann Arbor, Michigan, United States

Site Status

Albuquerque Clinical Trials, Inc

Albuquerque, New Mexico, United States

Site Status

Clinical Trials of America, Inc.

Hickory, North Carolina, United States

Site Status

Lynn Health Science Institute

Oklahoma City, Oklahoma, United States

Site Status

Pain Specialist of Charleston, P.A.

Mt. Pleasant, South Carolina, United States

Site Status

Nashville Neuroscience Group

Nashville, Tennessee, United States

Site Status

Trinity Clinical Research

Tullahoma, Tennessee, United States

Site Status

ClinRx Research LLC

Plano, Texas, United States

Site Status

Progressive Clinical Research

San Antonio, Texas, United States

Site Status

Manna Research Vancouver

Vancouver, British Columbia, Canada

Site Status

Manna Research, Inc.

Toronto, Ontario, Canada

Site Status

Kells Medical Research Group - Manna Research

Pointe-Claire, Quebec, Canada

Site Status

Countries

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United States Canada

Other Identifiers

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NXN-462-201

Identifier Type: -

Identifier Source: org_study_id

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