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First-in-Human Study With Single and Multiple Doses of TS-161 in Healthy Participants

Phase 1
Completed
Conditions
Healthy Volunteers
Interventions
Drug: TS-161 Placebo
Registration Number
NCT03919409
Lead Sponsor
Taisho Pharmaceutical R&D Inc.
Brief Summary

This is a Phase 1, first-in-human study involving single and multiple oral doses of TS-161 in healthy male and female participants. The safety, tolerability, pharmacokinetics and pharmacodynamics of TS-161 will be evaluated.

The study includes 3 parts; Part A (single ascending dose: Cohorts 1 to 5) , Part B (single dose, cerebrospinal fluid \[CSF\] collection: Cohort 6), and Part C (multiple ascending dose: Cohorts 7 to 9). Participants will be assigned to one of the 9 Cohorts.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
70
Inclusion Criteria
  • Healthy adult male and female participants between 18 and 55 years of age, inclusive
  • Body weight ≥ 45 kg
  • Body Mass Index (BMI) 18 - 30 kg/m^2, inclusive
Exclusion Criteria
  • Significant history or presence of medical disorders or condition capable of significantly affecting the absorption, metabolism, or elimination of drugs
  • History or presence of psychiatric or neurologic disease or condition
  • History of seizures
  • Abnormal EEG observed at screening
  • Abnormal blood pressure
  • Breast cancer within the past 10 years, or any other malignancies within the past 5 years
  • Clinically significant abnormal results in electrocardiogram, blood and urine test
  • History or presence of liver disease
  • Participants using medication or supplements within 14 days prior to dosing
  • Use of N-methyl-D-aspartate (NMDA) receptor modulators (example: dextromethorphan, ketamine, amantadine, memantine) within 90 days of screening
  • Loss of blood or blood products in excess of 450 mL within 60 days prior to screening
  • Used any investigational drug within 60 days prior to screening
  • Recent history of alcohol or drug abuse
  • Any participant who currently uses or has used tobacco products or nicotine-containing products (cigarettes, pipes, e-cigarettes, nicotine patches, etc.) for one month or more prior to screening

Exclusion Criteria for Part B only:

  • Significant abnormalities in lumbar spine
  • History of clinically significant back pain, back pathology, and/or back injury
  • History of migraines, and/or frequent, severe headaches
  • History or presence of significant active bleeding or coagulation disorder or use of non-steroidal anti-inflammatory drugs or other drugs that affect coagulation or platelet function within 14 days prior to lumbar catheter insertion
  • Allergy to lidocaine (Xylocaine®) or related drugs
  • History of adverse reaction to lumbar puncture or epidural procedure

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Part A: Cohort 1: TS-161 15 mgTS-161Single dose of TS-161 15 mg or placebo in a fasted condition.
Part A: Cohort 3: TS-161 100 mgTS-161 PlaceboSingle dose of TS-161 100 mg or placebo in a fasted condition. Although planned, all subsequent dose levels after Cohort 1 will be determined based on the results from the preceding cohorts.
Part C: Cohort 7: TS-161 TBDTS-161Daily doses of TS-161 or placebo for 10 days in a fed condition. The dose level will be determined based on the results from the preceding cohorts.
Part A: Cohort 4: TS-161 200 mgTS-161Single dose of TS-161 200 mg or placebo in a fasted condition. Although planned, all subsequent dose levels after Cohort 1 will be determined based on the results from the preceding cohorts.
Part A: Cohort 4: TS-161 200 mgTS-161 PlaceboSingle dose of TS-161 200 mg or placebo in a fasted condition. Although planned, all subsequent dose levels after Cohort 1 will be determined based on the results from the preceding cohorts.
Part A: Cohort 5: TS-161 400 mgTS-161 PlaceboSingle dose of TS-161 400 mg or placebo in a fasted condition. Although planned, all subsequent dose levels after Cohort 1 will be determined based on the results from the preceding cohorts.
Part A: Cohort 1: TS-161 15 mgTS-161 PlaceboSingle dose of TS-161 15 mg or placebo in a fasted condition.
Part A: Cohort 2: TS-161 50 mgTS-161Single dose of TS-161 50 mg or placebo which will be dosed first in a fasted condition, and then in a fed condition, with a washout period in between 2 dosing. Although planned, all subsequent dose levels after Cohort 1 will be determined based on the results from the preceding cohorts.
Part A: Cohort 3: TS-161 100 mgTS-161Single dose of TS-161 100 mg or placebo in a fasted condition. Although planned, all subsequent dose levels after Cohort 1 will be determined based on the results from the preceding cohorts.
Part C: Cohort 8: TS-161 TBDTS-161 PlaceboDaily doses of TS-161 or placebo for 10 days in a fed condition. The dose level will be determined based on the results from the preceding cohorts.
Part A: Cohort 2: TS-161 50 mgTS-161 PlaceboSingle dose of TS-161 50 mg or placebo which will be dosed first in a fasted condition, and then in a fed condition, with a washout period in between 2 dosing. Although planned, all subsequent dose levels after Cohort 1 will be determined based on the results from the preceding cohorts.
Part C: Cohort 7: TS-161 TBDTS-161 PlaceboDaily doses of TS-161 or placebo for 10 days in a fed condition. The dose level will be determined based on the results from the preceding cohorts.
Part C: Cohort 9: TS-161 TBDTS-161 PlaceboDaily doses of TS-161 or placebo for 10 days in a fed condition. The dose level will be determined based on the results from the preceding cohorts.
Part A: Cohort 5: TS-161 400 mgTS-161Single dose of TS-161 400 mg or placebo in a fasted condition. Although planned, all subsequent dose levels after Cohort 1 will be determined based on the results from the preceding cohorts.
Part C: Cohort 8: TS-161 TBDTS-161Daily doses of TS-161 or placebo for 10 days in a fed condition. The dose level will be determined based on the results from the preceding cohorts.
Part C: Cohort 9: TS-161 TBDTS-161Daily doses of TS-161 or placebo for 10 days in a fed condition. The dose level will be determined based on the results from the preceding cohorts.
Part B: Cohort 6: TS-161 TBDTS-161Single dose of TS-161 in a fasted condition. The dose level will be determined based on the results from the preceding cohorts.
Primary Outcome Measures
NameTimeMethod
TS-161 Plasma Pharmacokinetic Profile - AUC(0-last)Parts A and B: Day 1 predose and at multiple time points (up to 48 hours) postdose

Area under the plasma concentration versus time curve from time zero to last measurable concentration

TS-161 Plasma Pharmacokinetic Profile - TmaxParts A and B: Day 1 predose and at multiple time points (up to 48 hours) postdose; Part C: Day 1 predose and at multiple time points (up to 12 hours) postdose, Day 2 to Day 9 predose, Day 10 predose and at multiple time points (up to 48 hours) postdose

Time to maximum plasma concentration

Incidence and severity of Adverse EventsParts A and B: Day 1 to Day 8; Part C: Day 1 to Day 17
TS-161 Plasma Pharmacokinetic Profile - CmaxParts A and B: Day 1 predose and at multiple time points (up to 48 hours) postdose; Part C: Day 1 predose and at multiple time points (up to 12 hours) postdose, Day 2 to Day 9 predose, Day 10 predose and at multiple time points (up to 48 hours) postdose

Maximum plasma concentration

TS-161 Plasma Pharmacokinetic Profile - AUC(0-tau)Part C: Day 1 predose and at multiple time points (up to 12 hours) postdose, Day 2 to Day 9 predose, Day 10 predose and at multiple time points (up to 48 hours) postdose

Area under the plasma concentration versus time curve over a dosing interval

TS-161 Plasma Pharmacokinetic Profile - T1/2Parts A and B: Day 1 predose and at multiple time points (up to 48 hours) postdose; Part C: Day 1 predose and at multiple time points (up to 12 hours) postdose, Day 2 to Day 9 predose, Day 10 predose and at multiple time points (up to 48 hours) postdose

Apparent terminal elimination half-life

TS-161 Plasma Pharmacokinetic Profile - Vd,z/FParts A and B: Day 1 predose and at multiple time points (up to 48 hours) postdose; Part C: Day 1 predose and at multiple time points (up to 12 hours) postdose, Day 2 to Day 9 predose, Day 10 predose and at multiple time points (up to 48 hours) postdose

Apparent volume of distribution following oral administration

TS-161 Urine Pharmacokinetic Profile - Fe%Part A: Day 1 predose and pooled for multiple intervals (up to 48 hours) postdose; Part C: Day 1 predose and pooled for multiple intervals (up to 48 hours after last dose) postdose

Percent of dose excreted in urine

TS-161 Urine Pharmacokinetic Profile - CLrPart A: Day 1 predose and pooled for multiple intervals (up to 48 hours) postdose; Part C: Day 1 predose and pooled for multiple intervals (up to 48 hours after last dose) postdose

Renal Clearance

TS-161 Plasma Pharmacokinetic Profile - CL/FParts A and B: Day 1 predose and at multiple time points (up to 48 hours) postdose; Part C: Day 1 predose and at multiple time points (up to 12 hours) postdose, Day 2 to Day 9 predose, Day 10 predose and at multiple time points (up to 48 hours) postdose

Apparent clearance following oral administration

TS-161 Urine Pharmacokinetic Profile - AePart A: Day 1 predose and pooled for multiple intervals (up to 48 hours) postdose; Part C: Day 1 predose and pooled for multiple intervals (up to 48 hours after last dose) postdose

Amount excreted in urine

Secondary Outcome Measures
NameTimeMethod
TS-161 CSF Pharmacokinetic Profile - TmaxPart B: Day 1 predose and at multiple time points (up to 24 hours) postdose

Time to maximum CSF concentration

TS-161 CSF Pharmacokinetic Profile - CmaxPart B: Day 1 predose and at multiple time points (up to 24 hours) postdose

Maximum CSF concentration

TS-161 CSF Pharmacokinetic Profile - AUC(0-last)Part B: Day 1 predose and at multiple time points (up to 24 hours) postdose

Area under the CSF concentration versus time curve from time zero to last

TS-161 CSF Pharmacokinetic Profile - T1/2Part B: Day 1 predose and at multiple time points (up to 24 hours) postdose

Apparent terminal elimination half-life

Changes from baseline in relative and absolute powers of the delta, theta, alpha, beta and gamma bands using quantitative electroencephalogram (qEEG) compared to placeboPart A: predose and at multiple time points (up to 8 hours) postdose

Trial Locations

Locations (1)

PAREXEL - Early Phase Clinical Unit-Los Angeles

🇺🇸

Glendale, California, United States

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