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    EudraCT Number:2017-001514-29
    Sponsor's Protocol Code Number:LAM115377
    Clinical Trial Type:Outside EU/EEA
    Date on which this record was first entered in the EudraCT database:2017-08-11
    Trial results View results
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    A. Protocol Information
    A.2EudraCT number2017-001514-29
    A.3Full title of the trial
    A multi-center, uncontrolled, open-label, evaluation of Lamotrigine monotherapy on newly diagnosed typical absence seizures in children and adolescents
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    A study of lamotrigine used alone in children with typical absence seizures.
    A.3.2Name or abbreviated title of the trial where available
    Open study of Lamictal monotherapy for children with absence seizures
    A.4.1Sponsor's protocol code numberLAM115377
    A.7Trial is part of a Paediatric Investigation Plan No
    A.8EMA Decision number of Paediatric Investigation Plan
    B. Sponsor Information
    B.Sponsor: 1
    B.1.1Name of SponsorGlaxoSmithKline KK
    B.3.1 and B.3.2Status of the sponsorCommercial
    B.4 Source(s) of Monetary or Material Support for the clinical trial:
    B.4.1Name of organisation providing supportGlaxoSmithKline KK
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationGlaxoSmithKline K.K.
    B.5.2Functional name of contact pointKihito Takahashi & Yotaro Numachi
    B.5.3 Address:
    B.5.3.1Street Address6-15, Sendagaya 4-chome Shibuya-ku
    B.5.3.2Town/ cityTokyo
    B.5.3.3Post code151-8566
    B.5.4Telephone numberNA
    B.5.5Fax numberNA
    D. IMP Identification
    D.IMP: 1
    D.1.2 and D.1.3IMP RoleTest
    D.2 Status of the IMP to be used in the clinical trial
    D.2.1IMP to be used in the trial has a marketing authorisation Yes
    D. name LAMICTIN,Lamictal,Lamictal XR
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
    D.2.5.1Orphan drug designation number
    D.3 Description of the IMP
    D.3.1Product nameLamotrigine
    D.3.2Product code GI267119
    D.3.4Pharmaceutical form Tablet
    D.3.4.1Specific paediatric formulation No
    D.3.7Routes of administration for this IMPOral use
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNLAMOTRIGINE
    D.3.9.3Other descriptive nameLAMOTRIGINE
    D.3.9.4EV Substance CodeSUB08393MIG
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number400
    D.3.11 The IMP contains an:
    D.3.11.1Active substance of chemical origin Yes
    D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) No
    The IMP is a:
    D.3.11.3Advanced Therapy IMP (ATIMP) No
    D. cell therapy medicinal product No
    D. therapy medical product No
    D. Engineered Product No
    D. ATIMP (i.e. one involving a medical device) No
    D. on Advanced therapies (CAT) has issued a classification for this product No
    D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
    D.3.11.5Radiopharmaceutical medicinal product No
    D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
    D.3.11.7Plasma derived medicinal product No
    D.3.11.8Extractive medicinal product No
    D.3.11.9Recombinant medicinal product No
    D.3.11.10Medicinal product containing genetically modified organisms No
    D.3.11.11Herbal medicinal product No
    D.3.11.12Homeopathic medicinal product No
    D.3.11.13Another type of medicinal product No
    D.8 Information on Placebo
    E. General Information on the Trial
    E.1 Medical condition or disease under investigation
    E.1.1Medical condition(s) being investigated
    Typical absence seizure
    E.1.1.1Medical condition in easily understood language
    E.1.1.2Therapeutic area Diseases [C] - Nervous System Diseases [C10]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 20.0
    E.1.2Level LLT
    E.1.2Classification code 10000331
    E.1.2Term Absence seizure
    E.1.2System Organ Class 100000014665
    E.1.3Condition being studied is a rare disease No
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    To evaluate the efficacy and safety of lamotrigine monotherapy in newly diagnosed typical absence seizures in pediatric patients in Japan and South Korea [initial dose 0.3 mg/kg/day, maintenance dose 1.2-10.2 mg/kg/day or 400 mg/day (whichever was less)] administered orally once daily (when the number of tablets taken at a time increases, the dose can be administered in two divided doses per day).
    E.2.2Secondary objectives of the trial
    Not Applicable
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    1. Target disease: Subjects with newly diagnosed and untreated typical absence seizure which is classifiable by the International Classification of Seizures.
    2. Diagnosis of typical absence seizures is established by at least one of two 4-minute hyperventilation tests as supported by clinical signs and EEG findings.
    The following criteria will be used to define a typical absence seizure on the EEG: a discharge of generalized spike-and-wave or multiple spike-and-wave activity lasting ≥3 seconds during the awake state. The frequency of the spike-and-wave should be between 2.5-4.5 Hz.
    3. Age (at the time of obtaining consent):
    • 2 to 15 years of age in Japan
    • 2 to 12 years of age in South Korea
    4. Subjects must weigh at least 7 kg
    5. Outpatients
    6. Parent/guardian must have given written informed consent. Subjects who are intellectually able to understand the concepts and procedures of the protocol must give assent by also signing the consent.
    7. Gender: Male or female
    8. QTc<450 millisecond (msec) or <480msec for subjects with Bundle Branch Block – values based on either single ECG values or triplicate ECG averaged QTc values obtained over a brief recording period.
    E.4Principal exclusion criteria
    1. Subjects with partial seizure or generalized seizures other than typical absence.
    2. Subjects with a history of rash associated with other treatment.
    3. Subjects with any clinically significant chronic cardiac, renal, or hepatic medical condition. Any patient with these conditions will be excluded from the study even if these conditions are being controlled with chronic therapy.
    4. Subjects with an acute or chronic illness likely to impair drug absorption, distribution, metabolism or excretion or with any unstable physical symptoms likely to require hospitalization during participation in the study.
    5. Subjects with a psychiatric disorder requiring medication, or who had psychiatric conditions in the past that was both judged to be severe and required hospitalization.
    6. Subjects with an acute or progressive neurological disorder or an organic disease.
    7. Subjects with currently taking any psychoactive drugs to treat hyperactivity disorder or attention deficit disorder.
    8. Subjects with an unstable liver disease (as defined by the presence of ascites, encephalopathy, coagulopathy, hypoalbuminaemia, oesophageal or gastric varices or persistent jaundice), cirrhosis, known biliary abnormalities (with the exception of Gilbert’s syndrome or asymptomatic gallstones).
    9. Female subjects who are pregnant or lactating, who may be pregnant, or who plan for pregnancy during the study.
    10. Children in foster care: A child who has been placed under the control or protection of an agency, organisation, institution or entity by the courts, the government or a government body, acting in accordance with powers conferred on them by law or regulation. This can include a child cared for by foster parents or living in a care home or institution, provided that the arrangement falls within the definition above. The definition of a child in care does not include a child who is adopted or who has an appointed legal guardian.
    11. Subjects taking inducers of lamotrigine glucuronidation (i.e., rifampicin, lopinavir/ritonavir), atazanavir/ritonavir, risperidone, oral contraceptives or hormone drug which includes estrogen.
    12. Subjects having participated in other clinical study in the past 3 months before the start of investigational product.
    13. Subjects who have active suicidal plan/intent or have had active suicidal thoughts in the past 3 months before the start of investigational product or who have history of suicide attempt in the last 1 year before the start of investigational product or more than 1 lifetime suicide attempt.
    14. Subjects whom the investigator (or subinvestigator) considers ineligible for the study.
    E.5 End points
    E.5.1Primary end point(s)
    Proportion of subjects seizure-free confirmed by HV-EEG at the end of the maintenance phase [Maintenance-Visit 3 (M-V3)]: [Number of subjects seizure-free confirmed by HV-EEG at the end of the maintenance phase (M-V3) / Number of subjects who have received the investigational product
    E.5.1.1Timepoint(s) of evaluation of this end point
    The end point was assessed at the end of the maintenance phase of the study- Week 16
    E.5.2Secondary end point(s)
    Proportion of subjects seizure-free confirmed by HV-EEG at the two consecutive visits in the escalation phase
    • Proportion of subjects seizure-free confirmed by HV-clinical signs at each visit during the escalation phase
    • Proportion of subjects seizure-free confirmed by HV-clinical signs during the maintenance phase
    • Number of days with seizure episodes on seizure diary per week (fixed escalation phase, escalation phase, maintenance phase, fixed escalation phase + escalation phase + maintenance phase)
    E.5.2.1Timepoint(s) of evaluation of this end point
    Endnotes were assessed through out the course of the study- Week 16
    E.6 and E.7 Scope of the trial
    E.6Scope of the trial
    E.6.1Diagnosis Yes
    E.6.2Prophylaxis No
    E.6.3Therapy Yes
    E.6.4Safety Yes
    E.6.5Efficacy Yes
    E.6.6Pharmacokinetic Yes
    E.6.7Pharmacodynamic No
    E.6.8Bioequivalence No
    E.6.9Dose response No
    E.6.10Pharmacogenetic No
    E.6.11Pharmacogenomic No
    E.6.12Pharmacoeconomic No
    E.6.13Others No
    E.7Trial type and phase
    E.7.1Human pharmacology (Phase I) No
    E.7.1.1First administration to humans No
    E.7.1.2Bioequivalence study No
    E.7.1.3Other No
    E. trial type description
    E.7.2Therapeutic exploratory (Phase II) No
    E.7.3Therapeutic confirmatory (Phase III) Yes
    E.7.4Therapeutic use (Phase IV) No
    E.8 Design of the trial
    E.8.1Controlled No
    E.8.1.1Randomised No
    E.8.1.2Open Yes
    E.8.1.3Single blind No
    E.8.1.4Double blind No
    E.8.1.5Parallel group No
    E.8.1.6Cross over No
    E.8.1.7Other No
    E.8.2 Comparator of controlled trial
    E.8.2.1Other medicinal product(s) No
    E.8.2.2Placebo No
    E.8.2.3Other No
    E.8.2.4Number of treatment arms in the trial2
    E.8.3 Will this trial be conducted at a single site globally? No
    E.8.4 Will this trial be conducted at multiple sites globally? Yes
    E.8.6 Trial involving sites outside the EEA
    E.8.6.2Trial being conducted completely outside of the EEA Yes
    E.8.6.3Specify the countries outside of the EEA in which trial sites are planned
    Korea, Republic of
    E.8.7Trial has a data monitoring committee No
    E.8.8 Definition of the end of the trial and justification where it is not the last visit of the last subject undergoing the trial
    E.8.9 Initial estimate of the duration of the trial
    E.8.9.2In all countries concerned by the trial years5
    E.8.9.2In all countries concerned by the trial months0
    F. Population of Trial Subjects
    F.1 Age Range
    F.1.1Trial has subjects under 18 Yes
    F.1.1Number of subjects for this age range: 20
    F.1.1.1In Utero No
    F.1.1.2Preterm newborn infants (up to gestational age < 37 weeks) No
    F.1.1.3Newborns (0-27 days) No
    F.1.1.4Infants and toddlers (28 days-23 months) No
    F.1.1.5Children (2-11years) Yes
    F. of subjects for this age range: 19
    F.1.1.6Adolescents (12-17 years) Yes
    F. of subjects for this age range: 1
    F.1.2Adults (18-64 years) No
    F.1.3Elderly (>=65 years) No
    F.2 Gender
    F.2.1Female Yes
    F.2.2Male Yes
    F.3 Group of trial subjects
    F.3.1Healthy volunteers No
    F.3.2Patients Yes
    F.3.3Specific vulnerable populations No
    F.3.3.1Women of childbearing potential not using contraception No
    F.3.3.2Women of child-bearing potential using contraception No
    F.3.3.3Pregnant women No
    F.3.3.4Nursing women No
    F.3.3.5Emergency situation No
    F.3.3.6Subjects incapable of giving consent personally No
    F.3.3.7Others No
    F.4 Planned number of subjects to be included
    F.4.2 For a multinational trial
    F.4.2.2In the whole clinical trial 20
    F.5 Plans for treatment or care after the subject has ended the participation in the trial (if it is different from the expected normal treatment of that condition)
    Epilepsy medication will be changed appropriately for subjects who complete or withdraw from the study.
    The investigator (or subinvestigator) is responsible for ensuring that consideration has been given to the post-study care of the patient’s medical condition whether or not GSK is providing specific post-investigational product
    G. Investigator Networks to be involved in the Trial
    H.4 Third Country in which the Trial was first authorised
    H.4.1Third Country in which the trial was first authorised: Japan
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