Mass Balance Study of [14C] TAS-205 in Healthy Volunteers
A Phase 1 Open-label Study Evaluating the Pharmacokinetics and Mass Balance of [14C] TAS-205 in Healthy Volunteers
1 other identifier
interventional
6
1 country
1
Brief Summary
To evaluate the pharmacokinetics, mass balance recovery, metabolite profile and metabolite identification of \[14C\]TAS-205 following oral single doses.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_1
Started Mar 2021
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 22, 2021
CompletedFirst Submitted
Initial submission to the registry
March 28, 2021
CompletedFirst Posted
Study publicly available on registry
April 1, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 15, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
May 27, 2022
CompletedAugust 8, 2022
August 1, 2022
3 months
March 28, 2021
August 4, 2022
Conditions
Outcome Measures
Primary Outcomes (4)
Concentrations of total radioactivity in blood and plasma, plasma TAS-205 concentrations and the pharmacokinetics parameters of TAS-205
Day 1 to Day 8
Radioactivity excretion and excretion rate,cumulative excretion, cumulative excretion rate into urine and feces.
Day 1 to Day 8
Radioactivity excretion and excretion rate,cumulative excretion, cumulative excretion rate in all excreta (urine and feces).
Day 1 to Day 8
Plasma, urinary, and fecal metabolite profiles of TAS-205 , and structural estimation.
Day 1 to Day 8
Study Arms (1)
TAS-205, [14C]TAS-205
EXPERIMENTALInterventions
single oral administration under fasted conditions on day 1
Eligibility Criteria
You may qualify if:
- Healthy adult male who provided written informed consent to participate in the study
- Aged 20 years or older and younger than 40 years at the time of informed consent
- Capable of oral intake.
- Body weight of 50 kg or more and body mass index of 18.5 or more and less than 25.0
You may not qualify if:
- Had current or previous hypersensitivity or allergy to drugs
- Had current or previous drug abuse (including use of illicit drugs) or alcoholism
- Had any concurrent disease (including symptoms and signs; however, diseases that do not affect valuations in the study such as asymptomatic pollinosis and wart are excluded)
- Consumed foods or beverages containing the St. John's Wort within 28 days before study drug administration
- Had blood pressure, pulse rate, and body temperature meeting any of the following at screening:
- Systolic blood pressure: \<90 mmHg or ≥140 mmHg, Diastolic blood pressure: \<40 mmHg or ≥90 mmHg, Pulse rate: \<40 beats per minute (bpm) or ≥100 bp, Body temperature: 35.0°C or ≥37.1°C
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
A site selected by Taiho Pharmaceutical Co., Ltd.
Tokyo, Japan
Related Publications (1)
Hanada R, Takenaka T. Phase 1 Mass Balance Study of Pizuglanstat: An Investigational Hematopoietic Prostaglandin D Synthase Inhibitor. Clin Pharmacol Drug Dev. 2025 Mar;14(3):200-208. doi: 10.1002/cpdd.1504. Epub 2025 Jan 22.
PMID: 39840517DERIVED
MeSH Terms
Interventions
Study Officials
- STUDY DIRECTOR
Taiho Pharmaceutical Co., Ltd.
Taiho Pharmaceutical Co., Ltd.
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 28, 2021
First Posted
April 1, 2021
Study Start
March 22, 2021
Primary Completion
June 15, 2021
Study Completion
May 27, 2022
Last Updated
August 8, 2022
Record last verified: 2022-08
Data Sharing
- IPD Sharing
- Will not share
Data will not be shared according to the Sponsor policy on data sharing. Taiho policy on data sharing may be found at https://www.taiho.co.jp/en/science/policy/clinical\_trial\_information\_disclosure\_policy/index.html.