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A Phase 1 Mass Balance Study of Oral [14C] TAS-115 in Healthy Adult Male Subjects

A Phase 1 Study to Assess the Absorption, Metabolism, Elimination, and Mass Balance of Oral [14C] TAS-115 in Healthy Adult Male Subjects

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2071210058
Enrollment
6
Registered
2021-09-07
Start date
2021-11-25
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic fibrosing interstitial lung diseases with a progressive phenotype

Interventions

Orally administer 40 mL of the liquid containing [14C] TAS-115(approx. 1MBq) and TAS-115 100 mg on day 1.

Sponsors

Huang Jinhong
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: (1) Provided written informed consent (2) Men aged 20 or older and younger than 40 years at the time of consent (3) Weigh at least 50.0 kg at the time of screening tests with a body mass index (BMI, weight [kg]/[height {m}]2) ranging from 18.5 to < 25.0 kg/m2 (4) Vital signs obtained in screening tests within the following ranges a) Systolic blood pressure (in supine position), 90 to 139 mmHg b) Diastolic blood pressure (in supine position), 40 to 89 mmHg c) Pulse rate ranging from 40 to 99 beats/min d) Body temperature (axilla) ranging from 35.0 to 37.0 (5) Judged to be healthy by the investigator based on the examination findings (subjective symptoms and objective findings), blood pressure, pulse rate, body temperature, 12-lead ECG, and laboratory tests (hematology test, biochemistry test, and urinalysis) at the time of screening tests

Exclusion criteria

Exclusion criteria: (1) Accompanying diseases considered inappropriate for participation in this study including hepatic diseases, renal diseases, gastrointestinal diseases, cardiovascular diseases, hematologic diseases, respiratory diseases, immunologic or allergic diseases, neurological or psychiatric diseases, metabolic or endocrinological diseases, or malignant tumors, or a history of these diseases

Design outcomes

Primary

MeasureTime frame
- Concentrations of total radioactivity in blood and plasma, plasma TAS-115 and the metabolites concentrations and the pharmacokinetics parameters of TAS-115 and the metabolites - Radioactivity excretion and excretion rate, cumulative excretion, cumulative excretion rate into urine and feces. - Radioactivity excretion and excretion rate, cumulative excretion, cumulative excretion rate in all excreta (urine and feces). - Plasma, urinary, and fecal metabolite profiles of TAS-115 , and structural estimation.

Secondary

MeasureTime frame
- Incidence of adverse events and treatment-related adverse events - Changes in laboratory test values - Electrocardiogram

Contacts

Public ContactKeita Watanabe

Taiho Pharmaceutical Co., Ltd.

ke-watanabe@taiho.co.jp+81-3-3293-2113

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026