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A Phase 1 BA/FE Study of Ensitrelvir Granules (COVID-19)

A Phase 1 Study to Evaluate the Relative Bioavailability of Ensitrelvir Granules and 125 mg Tablets, and the Food Effect of Granules (COVID-19)

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2031240587
Enrollment
28
Registered
2024-12-27
Start date
2024-12-16
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

COVID-19

Interventions

Oral administration of ensitrelvir

Sponsors

Gomez - Juan Carlos
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Apparently healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, and 12-lead ECG. A person with Japanese parents Participant must be 18 to 55 years of age inclusive, at the time of signing the ICF. BMI >= 18.5 and 30.0 <= Male and female

Exclusion criteria

Exclusion criteria: Presence or History of cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrinological, hematological, or neurological disorders that may significantly alter the absorption, metabolism, or elimination of drugs; determined to constitute a risk when administering the study intervention or to interfere with the interpretation of data. Participants whose systolic blood pressure is outside the range of 90 to 140 mmHg, diastolic blood pressure is outside the range of 50 to 90 mmHg, or pulse rate is outside the range of 50 to 100 bpm at rest at screening or on admission (day -1) and who are considered ineligible for the study by the investigator. Any of the following abnormalities at screening or on admission (day -1): - Total bilirubin: > 1.5 x upper limit of normal (ULN) based on the facility criteria - Alanine aminotransferase (ALT): > 1.5 x ULN based on the facility criteria - Aspartate aminotransferase (AST): > 1.5 x ULN based on the facility criteria - Creatinine clearance (CLcr) (Cockcroft-Gault formula): < 90 mL/min

Design outcomes

Primary

MeasureTime frame
Pharmacokinetics parameters

Contacts

Public Contact- Corporate Communications Department

Shionogi & Co., Ltd.

shionogiclintrials-admin@shionogi.co.jp+81-6-6209-7885

Outcome results

None listed

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