Skip to content

PK & PD of coadministration of XOR inhibitor and inosine

Pharmacokinetics and pharmacodynamics study of coadministration of either allopurinol or febuxostat and inosine

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs031190115
Enrollment
28
Registered
2019-10-11
Start date
2019-10-11
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

Parkinson's disease neurodegenerative disease

Interventions

Coadministration of allopurinol and inosine, or coadministration of febuxostat and inosine

Sponsors

Kamatani Naoyuki
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1) Japanese healthy adult male 2) A person who voluntarily applied to the study and is determined by the principal investigator or subinvestigators to understand the contents of the explanatory document. 3) A person who has received sufficient explanation about the purpose and content of this study, has the ability to consent, fully understands and agrees to participate by writing, in a voluntary manner, in the document. 4) Age 20 to 40 (age is on the date of consent) 5) Person with a BMI of 17.6 or more and less than 26.5 (BMI is at the time of screening test).

Exclusion criteria

Exclusion criteria: 1) Regular users of pharmaceuticals or supplements 2) Persons who are being treated for disease 3) Persons with renal impairment or past history of the renal impairment 4) History of gout, hyperuricemia or urolithiasis 5) History or present illness of renal disorder 6) History or present illness of cardiovascular disorder 7) Persons with hypersensitivity to drugs, idiosyncrasies (allergies), or past history of those 8) Those who have a disease or disorder in the heart, kidney, respiratory system, digestive system, blood function, etc. that may affect the absorption, distribution, metabolism, or excretion of the drug 9) Those who have participated in other clinical trials such as clinical trials of drugs containing new active ingredients within the past 4 weeks from the start date of test drug administration 10) Those who donated 400mL blood within the past 12 weeks, 200mL blood within 4 weeks, or blood component within 2 weeks from the screening test date 11) Other persons who are judged to be ineligible by the principal investigator or subinvestigator

Design outcomes

Primary

MeasureTime frame
Concentration of hypoxanthine in blood

Secondary

MeasureTime frame
1. Cmax and AUC for febuxostat, allopurinol and oxypurinol 2. Serum urate 3. Blood ATP concentration 4. Concentration of xanthine in blood

Contacts

Public ContactMasa-aki Mochii

Tsukuba International Clinical Pharmacology Clinic

m-mochii@tsukuba-icp.jp+81-29-839-1150

Outcome results

None listed

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