Status and phase
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About
The purpose of this study is to evaluate the safety, tolerability, pharmacodynamics (PD) and pharmacokinetics (PK) of multiple ascending oral doses of E2027 in healthy participants.
Enrollment
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Inclusion and exclusion criteria
Inclusion Criteria Parts A, B,C and D
Nonsmoking, male or female, age ≥50 years and ≤85 years old at the time of informed consent 2. Body mass index (BMI) ≥18 and ≤32 kilogram per square meter (kg/m2) at Screening Part B 3. Born in Japan to Japanese parents and grandparents of Japanese descent 4. Lifestyle, including diet, has not changed significantly since leaving Japan Exclusion Criteria
Clinically significant illness that requires medical treatment within 8 weeks or a clinically significant infection that requires medical treatment within 4 weeks of dosing
Females who are breastfeeding or pregnant at Screening or Baseline (documented by a negative beta-human chorionic gonadotropin [beta (ß)-hCG] (or human chorionic gonadotropin [hCG]) test with a minimum sensitivity of 25 International Unit per Liter (IU/L) or equivalent units of ß-hCG [or hCG]). A negative urine pregnancy test is required before the administration of the 1st dose per cohort.
Females of childbearing potential who:
Males who have not had a successful vasectomy (confirmed azoospermia) or they and their female partners do not meet the criteria above (ie, not of childbearing potential or practicing highly effective contraception throughout the study period or for 28 days after study drug discontinuation). No sperm donation is allowed during the study period or for 28 days after study drug discontinuation
Medical conditions which are not adequately and stably controlled on stable doses of medications or which, in the clinical opinion of the Principal Investigator (PI), may interfere with study procedures or participant safety within 4 weeks before dosing (eg, psychiatric disorders and disorders of the gastrointestinal tract, liver, kidney, respiratory system, endocrine system, hematological system, neurological system, or cardiovascular system, or participants who have a congenital abnormality in metabolism). Participants with the following stable medical conditions, adequately controlled with stable doses of concomitant medications, need not be excluded if in the opinion of the PI, their conditions do not compromise participant safety or study procedures:
History of cerebrovascular disease (including transient ischemic attack or stroke)
Any history of abdominal surgery that may affect pharmacokinetic (PK) profiles of E2027 (eg, hepatectomy, nephrectomy, digestive organ resection) at Screening or Baseline
Any other clinically abnormal symptom or organ impairment found by medical history, physical examinations, vital signs, electrocardiogram (ECG) finding, or laboratory test results that requires medical treatment at Screening or Baseline
A prolonged QT/QTc interval (QTc >450 millisecond [ms]) demonstrated on ECG at Screening or Baseline (based on average of triplicate ECGs). A history of risk factors for torsade de pointes (eg, heart failure, hypokalemia, family history of long QT Syndrome) or the use of concomitant medications that prolonged the QT/QTc interval
Left bundle branch block at Screening or Baseline
Persistent systolic blood pressure (BP) >160 millimeter of mercury (mm Hg) or diastolic BP >100 mm Hg at Screening or Baseline (based on BP measured on at least 3 occasions over 2 weeks)
Persistent heart rate (HR) less than 50 beats/minute (min) or more than 90 beats/min at Screening or Baseline (based on HR measured on at least 3 occasions over 2 weeks)
History of myocardial infarction, ischemic heart disease or cardiac failure
History of clinically significant arrhythmia or uncontrolled arrhythmia
Known history of clinically significant drug allergy at Screening or Baseline
Known history of food allergies or presently experiencing significant seasonal or perennial allergy at Screening or Baseline
Known to be human immunodeficiency virus (HIV) positive at Screening
Active viral hepatitis (A, B, or C) as demonstrated by positive serology at Screening
History of drug or alcohol dependency or abuse within the 2 years before Screening, or those who have a positive urine drug or alcohol test at Screening or Baseline (participants whose positive urine drug test is considered by the investigator and sponsor medical monitor to be due to permitted concomitant medications need not be excluded)
Participants who smoke or have used tobacco or nicotine-containing products within 4 weeks before to dosing
A Columbia Suicide Severity Rating Scale (C-SSRS) suicidal ideation score of 4 or 5 at Screening or Baseline or for the period within 6 months before to Screening or Baseline or any lifetime suicidal behavior
Currently enrolled in another clinical study or used any investigational drug or device within 30 days (or 5 half-lives, whichever is longer) preceding informed consent
Engagement in strenuous exercise within 2 weeks before check-in (eg, marathon runners, weight lifters)
Any contraindications to cerebrospinal fluid (CSF) sampling by lumbar puncture (LP)
Participants with platelet count <60,000, international normalized ratio (INR) >1.2, or partial thromboplastin time (PTT) > upper limit of normal (ULN) at Screening
Intake of caffeinated beverages or caffeinated food within 72 hours before dosing
Intake of nutritional supplements, juice, and herbal preparations or other foods or beverages that may affect the various drug metabolizing enzymes and transporters (eg, alcohol, grapefruit, grapefruit juice, grapefruit-containing beverages, apple or orange juice, vegetables from the mustard green family [eg, kale, broccoli, watercress, collard greens, kohlrabi, brussel sprouts, mustard], and charbroiled meats) within 1 week before dosing
Intake of herbal preparations containing St. John's Wort within 4 weeks before dosing.
Intake of over-the-counter (OTC) medications within 14 days (or 5 half-lives, whichever is longer) before dosing unless the principal investigator and sponsor medical monitor consider that they do not compromise participant safety or study assessments
Participants who are taking prohibited medications as listed in Concomitant Drug/Therapy section within 14 days before dosing
Primary purpose
Allocation
Interventional model
Masking
74 participants in 2 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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