Evaluation of Efficacy and Safety of OXC XR as Adjunctive Therapy for Partial Seizures

NCT ID: NCT00772603

Last Updated: 2014-02-11

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

366 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-11-30

Study Completion Date

2010-11-30

Brief Summary

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Evaluation of the safety and efficacy of Oxcarbazepine XR as adjunctive treatment for adults with partial onset seizures

Detailed Description

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Multicenter, double-blind, randomized, placebo-controlled, three-arm. parallel-group study of the efficacy and safety of extended-release oxcarbazepine in the treatment of adults with refractory partial onset epilepsy.

Conditions

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Epilepsies, Partial

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Placebo

Placebo - four identical tablets taken orally once daily

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Non-active tablet identical to study drug tablets

2400 mg SPN-804

2400mg OXC XR taken orally once daily as four identical tablets

Group Type ACTIVE_COMPARATOR

2400mg SPN-804

Intervention Type DRUG

tablets containing 600mg OXC XR, identical to non-active tablets

1200mg SPN-804

1200mg OXC XR taken orally once daily as four identical tablets

Group Type ACTIVE_COMPARATOR

1200mg SPN-804

Intervention Type DRUG

two active tablets and two non-active tablets, all identical

Interventions

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Placebo

Non-active tablet identical to study drug tablets

Intervention Type DRUG

2400mg SPN-804

tablets containing 600mg OXC XR, identical to non-active tablets

Intervention Type DRUG

1200mg SPN-804

two active tablets and two non-active tablets, all identical

Intervention Type DRUG

Other Intervention Names

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sham treatment Oxcarbazepine extended-release Oxtellar XR Oxtellar Oxcarbazepine extended-release Oxtellar XR Oxtellar

Eligibility Criteria

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Inclusion Criteria

* Capable of complying with the study procedures.
* Able to provide written informed consent
* Male or female aged 18 to 65 years, inclusive.
* Diagnosis of partial onset seizures
* Minimum of three seizures per 28 days
* Receiving treatment with 1-3 AEDs
* Refractory to at least one AED
* No progressive neurological conditions by recent MRI/CT
* Adequate birth control in women of child-bearing potential

Exclusion Criteria

* Refractory to OXC for reasons of efficacy
* Recent status epilepticus
* Recent non-epileptic seizures
* Current diagnosis of major depression
* Recent suicidal plan or intent or more than one attempt
* Current use of oxcarbazepine, felbamate for \< 18 months, phenytoin with levels \>15mcg/mL or frequent need for rescue benzodiazepines
* Current use of sodium-lowering non-seizure medications.
* Clinically significant hepatic, renal, or cardiovascular function
* History of recent substance abuse
* Females who are pregnant or lactating.
* Hypersensitivity to OXC or related drugs
* Difficulty swallowing study medication
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Parexel

INDUSTRY

Sponsor Role collaborator

Supernus Pharmaceuticals, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Janet K Johnson, PhD

Role: STUDY_DIRECTOR

Supernus Pharmaceuticals, Inc.

Locations

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Huntsville, Alabama, United States

Site Status

Northport, Alabama, United States

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Phoenix, Arizona, United States

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Tucson, Arizona, United States

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Little Rock, Arkansas, United States

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Riverside, California, United States

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West Los Angeles, California, United States

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Aurora, Colorado, United States

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Jacksonville, Florida, United States

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Miami, Florida, United States

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Sarasota, Florida, United States

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Atlanta, Georgia, United States

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Springfield, Illinois, United States

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Lexington, Kentucky, United States

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Bethesda, Maryland, United States

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Missoula, Montana, United States

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Camden, New Jersey, United States

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New York, New York, United States

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Oklahoma City, Oklahoma, United States

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Philadelphia, Pennsylvania, United States

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Nashville, Tennessee, United States

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Baytown, Texas, United States

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Temple, Texas, United States

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Blagoevgrad, , Bulgaria

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Pleven, , Bulgaria

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Plovdiv, , Bulgaria

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Rousse, , Bulgaria

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Sofia, , Bulgaria

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Varna, , Bulgaria

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Edmonton, Alberta, Canada

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Greenfield Park, Quebec, Canada

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Dubrovnik, , Croatia

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Rijeka, , Croatia

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Zadar, , Croatia

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Zagreb, , Croatia

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Aguascalientes, Aguascalientes, Mexico

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Chihuahua City, Chihuahua, Mexico

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Ciudad Juárez, Chihuahua, Mexico

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Durango, Durango, Mexico

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Guadalajara, Jalisco, Mexico

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Zapopan, Jalisco, Mexico

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Mexico City, Mexico City, Mexico

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Monterrey, Nuevo León, Mexico

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Puebla City, Puebla, Mexico

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San Luis Potosí City, San Luis Potosí, Mexico

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Toluca, State of Mexico, Mexico

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Giżycko, , Poland

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Gmina Końskie, , Poland

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Katowice, , Poland

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Krakow, , Poland

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Lodz, , Poland

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Lublin, , Poland

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Warsaw, , Poland

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Wilkowice, , Poland

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Zabrze, , Poland

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Bucharest, , Romania

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Campulung Muscel, , Romania

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Cluj-Napoca, , Romania

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Craiova, , Romania

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Saint Petersburg, Sestroretsk, Russia

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Kazan', , Russia

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Kirov, , Russia

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Kursk, , Russia

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Moscow, , Russia

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Nizhny Novgorod, , Russia

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Novosibirsk, , Russia

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Pyatigorsk, , Russia

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Saint Petersburg, , Russia

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Samara, , Russia

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Smolensk, , Russia

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Yaroslavl, , Russia

Site Status

Countries

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United States Bulgaria Canada Croatia Mexico Poland Romania Russia

Other Identifiers

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804P301

Identifier Type: -

Identifier Source: org_study_id

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