Study for Verification of Efficacy and Safety for Perampanel Monotherapy in Untreated Participants With Partial Onset Seizures (Including Secondarily Generalized Seizures (FREEDOM Study)
Condition: Partial Onset Seizures
MeSH terms: Seizures
Intervention: E2007
Intervention description: Oral tablet
Phase: Phase 3
Study type: Interventional
Primary purpose: Treatment
Intervention model: Single Group Assignment
Masking: None (Open Label)
Enrollment: 91.0
Sex: All
Minimum age: 12 Years
Maximum age: 74 Years
Healthy volunteers: No
Keywords: perampanel

Summary:

      This study is conducted to evaluate the seizure-free rate of the 26-week Maintenance Period
      in untreated participants with partial onset seizures (POS).
    

Eligibility criteria:

        Inclusion Criteria:

          -  Be considered reliable and willing to be available for the study period and are able
             to record seizures and report adverse events (AEs) himself/herself or have a caregiver
             who can record seizures and report AEs for them

          -  Participants who are newly diagnosed or recurrent epilepsy and have experienced at
             least 2 unprovoked seizures separated by a minimum of 24 hours in the 1 year prior to
             the Pretreatment Phase

          -  Participants who have excluded the progressive central nervous system (CNS)
             abnormality occurring seizures by computed tomography (CT) or magnetic resonance
             imaging (MRI)

          -  Participants who have had a diagnosis of epilepsy with partial seizures with or
             without secondarily generalized seizures according to the International League Against
             Epilepsy (ILAE) Classification of Epileptic Seizures (1981). Diagnosis should have
             been established by clinical history and an electroencephalogram (EEG) that is
             consistent with localization-related epilepsy; normal interictal EEGs will be allowed
             provided that the participant meets the other diagnosis criterion (ie, clinical
             history)

        Exclusion Criteria:

          -  Participants who present only simple partial seizures without motor signs

          -  Participants who have seizure clusters where individual seizures cannot be counted

          -  Participants who present or have a history of Lennox-Gastaut syndrome

          -  Participants who have a history of status epilepticus

          -  Participants who have a history of psychogenic non-epileptic seizures

          -  Participants who have a history of suicidal ideation/attempt

          -  Participants who present clinically problematic psychological or neurological
             disorder(s)

          -  Evidence of clinically significant disease

          -  Evidence of clinically significant active hepatic disease

          -  A prolonged time from the beginning of the QRS complex to the end of the T wave (QT)
             interval corrected for heart rate

          -  Participants who have a history of receiving any AEDs (except for AEDs used as rescue
             treatment), antipsychotics or anti-anxiety drugs within 12 weeks prior to the
             Pretreatment Phase

          -  Participants who have not used a stable dose of antidepressant in the 12 weeks

          -  Participants who have a history of any type of surgery for brain or central nervous
             system within 1 year

          -  Participants who have a history of receiving any AED (including AED used as rescue
             treatment) for more than 2 weeks

          -  Participants who have used intermittent rescue benzodiazepines on 2 or more occasions
             within 4 weeks

          -  Participants who have a history of receiving any AED polytherapy

          -  Participants who experienced treatment with perampanel

          -  Participants who have had non-constant ketogenic diet within 4 weeks

          -  Participants who have a history of drug or alcohol dependency or abuse

          -  Participants who have had multiple drug allergies or a severe drug reaction to an
             AED(s)

          -  Females who are breastfeeding or pregnant in the Pretreatment Phase (as documented by
             a positive beta-human chorionic gonadotropin [β-hCG] test)

          -  Females of childbearing potential who:

               -  Within 28 days before the start of the Pretreatment Phase, did not use a highly
                  effective method of contraception, which includes any of the following:

                    -  total abstinence (if it is their preferred and usual lifestyle);

                    -  an intrauterine device or intrauterine hormone-releasing system (IUS);

                    -  a contraceptive implant;

                    -  an oral contraceptive (with additional barrier method) (Participant must be
                       on a stable dose of the same oral contraceptive product for at least 28 days
                       before dosing and throughout the study and for 28 days after study drug
                       discontinuation);

                    -  have a vasectomized partner with confirmed azoospermia

               -  Do not agree to use a highly effective method of contraception (as described
                  above) throughout the entire study period and for 28 days after study drug
                  discontinuation

          -  Participants who have participated in a study involving administration of an
             investigational drug or device within 4 weeks before Visit 1, or within approximately
             5 half-lives of the previous investigational compound, whichever is longer