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.
Condition or disease | Intervention/treatment | Phase |
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Healthy Volunteers | Drug: TS-161 Drug: TS-161 Placebo | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 70 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Treatment |
Official Title: | A Randomized, Double-blind, Placebo-controlled, Single and Multiple Ascending Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of TS-161 Administered Orally to Healthy Male and Female Participants |
Actual Study Start Date : | June 3, 2019 |
Actual Primary Completion Date : | February 11, 2020 |
Actual Study Completion Date : | February 11, 2020 |
Arm | Intervention/treatment |
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Experimental: Part A: Cohort 1: TS-161 15 mg
Single dose of TS-161 15 mg or placebo in a fasted condition.
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Drug: TS-161
TS-161 capsules
Drug: TS-161 Placebo TS-161 matching placebo capsules
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Experimental: Part A: Cohort 2: TS-161 50 mg
Single 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.
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Drug: TS-161
TS-161 capsules
Drug: TS-161 Placebo TS-161 matching placebo capsules
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Experimental: Part A: Cohort 3: TS-161 100 mg
Single 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.
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Drug: TS-161
TS-161 capsules
Drug: TS-161 Placebo TS-161 matching placebo capsules
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Experimental: Part A: Cohort 4: TS-161 200 mg
Single 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.
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Drug: TS-161
TS-161 capsules
Drug: TS-161 Placebo TS-161 matching placebo capsules
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Experimental: Part A: Cohort 5: TS-161 400 mg
Single 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.
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Drug: TS-161
TS-161 capsules
Drug: TS-161 Placebo TS-161 matching placebo capsules
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Experimental: Part B: Cohort 6: TS-161 TBD
Single dose of TS-161 in a fasted condition. The dose level will be determined based on the results from the preceding cohorts.
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Drug: TS-161
TS-161 capsules
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Experimental: Part C: Cohort 7: TS-161 TBD
Daily 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.
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Drug: TS-161
TS-161 capsules
Drug: TS-161 Placebo TS-161 matching placebo capsules
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Experimental: Part C: Cohort 8: TS-161 TBD
Daily 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.
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Drug: TS-161
TS-161 capsules
Drug: TS-161 Placebo TS-161 matching placebo capsules
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Experimental: Part C: Cohort 9: TS-161 TBD
Daily 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.
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Drug: TS-161
TS-161 capsules
Drug: TS-161 Placebo TS-161 matching placebo capsules
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Ages Eligible for Study: | 18 Years to 55 Years (Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
Exclusion Criteria:
Exclusion Criteria for Part B only:
United States, California | |
PAREXEL - Early Phase Clinical Unit-Los Angeles | |
Glendale, California, United States, 91206 |
Study Director: | Taisho Director | Taisho Pharmaceutical R&D Inc. |
Tracking Information | |||||
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First Submitted Date ICMJE | April 15, 2019 | ||||
First Posted Date ICMJE | April 18, 2019 | ||||
Last Update Posted Date | February 28, 2020 | ||||
Actual Study Start Date ICMJE | June 3, 2019 | ||||
Actual Primary Completion Date | February 11, 2020 (Final data collection date for primary outcome measure) | ||||
Current Primary Outcome Measures ICMJE |
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Original Primary Outcome Measures ICMJE | Same as current | ||||
Change History | |||||
Current Secondary Outcome Measures ICMJE |
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Original Secondary Outcome Measures ICMJE | Same as current | ||||
Current Other Pre-specified Outcome Measures | Not Provided | ||||
Original Other Pre-specified Outcome Measures | Not Provided | ||||
Descriptive Information | |||||
Brief Title ICMJE | First-in-Human Study With Single and Multiple Doses of TS-161 in Healthy Participants | ||||
Official Title ICMJE | A Randomized, Double-blind, Placebo-controlled, Single and Multiple Ascending Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of TS-161 Administered Orally to Healthy Male and Female Participants | ||||
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. |
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Detailed Description | Not Provided | ||||
Study Type ICMJE | Interventional | ||||
Study Phase ICMJE | Phase 1 | ||||
Study Design ICMJE | Allocation: Randomized Intervention Model: Parallel Assignment Masking: Double (Participant, Investigator) Primary Purpose: Treatment |
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Condition ICMJE | Healthy Volunteers | ||||
Intervention ICMJE |
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Study Arms ICMJE |
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Publications * | Not Provided | ||||
* Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline. |
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Recruitment Information | |||||
Recruitment Status ICMJE | Completed | ||||
Actual Enrollment ICMJE |
70 | ||||
Original Estimated Enrollment ICMJE | Same as current | ||||
Actual Study Completion Date ICMJE | February 11, 2020 | ||||
Actual Primary Completion Date | February 11, 2020 (Final data collection date for primary outcome measure) | ||||
Eligibility Criteria ICMJE |
Inclusion Criteria:
Exclusion Criteria:
Exclusion Criteria for Part B only:
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Sex/Gender ICMJE |
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Ages ICMJE | 18 Years to 55 Years (Adult) | ||||
Accepts Healthy Volunteers ICMJE | Yes | ||||
Contacts ICMJE | Contact information is only displayed when the study is recruiting subjects | ||||
Listed Location Countries ICMJE | United States | ||||
Removed Location Countries | |||||
Administrative Information | |||||
NCT Number ICMJE | NCT03919409 | ||||
Other Study ID Numbers ICMJE | TS161-US101 | ||||
Has Data Monitoring Committee | Not Provided | ||||
U.S. FDA-regulated Product |
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IPD Sharing Statement ICMJE |
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Responsible Party | Taisho Pharmaceutical R&D Inc. | ||||
Study Sponsor ICMJE | Taisho Pharmaceutical R&D Inc. | ||||
Collaborators ICMJE | Not Provided | ||||
Investigators ICMJE |
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PRS Account | Taisho Pharmaceutical R&D Inc. | ||||
Verification Date | February 2020 | ||||
ICMJE Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP |