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Phase 1 Clinical study of KA-2301

Phase 1 Clinical study of KA-2301 - ReQuip CR tablet controlled crossover study in healthy Japanese adult male subjects - - -

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2051250084
Enrollment
24
Registered
2025-08-05
Start date
2025-08-27
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

Healthy volunteer

Interventions

[Two-drug, Three-stage crossover study] A single oral dose of KA-2301(2 mg) or ReQuip CR (2 mg) will be administered under fasted conditions, or A single oral dose of KA-2301 (2 mg) after meals.

Sponsors

Tabata Toshiyuki
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1) Japanese males at least 18 years but less than 45 years of age at the time of informed consent 2) Body mass index (BMI) of at least 18.5 but less than 25.0 3) Regarding participation in this clinical study, participant capable of providing written consent by him

Exclusion criteria

Exclusion criteria: 1) Participant who has concomitant or a history of serious gastrointestinal, renal, hepatic, neurological, hematological, endocrine, tumor, pulmonary, immune, or cardiovascular disorders. 2) Participant who has concomitant or a history of neuropsychiatric disorders. 3) Participant who has concomitant or a history of orthostatic hypotension. 4) Participant who has a history of gastrointestinal (excluding appendix), liver, or renal surgery. 5) Participant who has concomitant or a history of drug allergies. 6) Participant who has concomitant or a history of impulse control disorders, including drug dependence, alcohol dependence, or pathological gambling (gambling addiction).

Design outcomes

Primary

MeasureTime frame
[Pharmacokinetic endpoints] Plasma PK parameter [Safety endpoints] 1) Adverse events 2) Laboratory tests (hematology, biochemistry and urinalysis) 3) Vital signs (body temperature, blood pressure, pulse rate) 4) 12-Lead ECG

Contacts

Public ContactPharmaceutical Project Steering Pharmaceutical R&D Division

Alfresa Pharma Corporation

iyaku-chiken@alfresa-pharma.co.jp+81-6-6941-0273

Outcome results

None listed

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