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A Study on Improvement of Internal Dose Assessment Methods for Patients due to Inhalation of Radioactive Materials in Nuclear Disaster

A Study on Improvement of Internal Dose Assessment Methods for Patients due to Inhalation of Radioactive Materials in Nuclear Disaster - A Study on Improvement of Internal Dose Assessment Methods for Patients due to Inhalation of Radioactive Materials in Nuclear Disaster

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000046329
Enrollment
30
Registered
2021-12-13
Start date
2022-01-01
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

None listed

Interventions

None listed

Sponsors

National Institutes for Quantum Science and Technology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: A healthy person capable of giving consent for participation in this study and who can read and understand the consent document.

Exclusion criteria

Exclusion criteria: Persons who have been or may be found to have coerced a socially vulnerable person Persons who have undergone a nuclear medicine examination within one month (within one week in the case of PET examination), or who have received or are receiving radiation therapy (internal radiation therapy). Persons who are judged by the researcher of the research institution to be inappropriate for this research.

Design outcomes

Primary

MeasureTime frame
(A) recovery ratios of 223U, 242Pu, 243Am and 90Sr added to bio-assay samples (2) Minimum detectable radio-activities of 137Cs, 134Cs and 131I in whole body derived from measurement using the whole body counter—

Countries

Japan

Contacts

Public ContactMunehiko Kowatari

National Institutes for Quantum Science and Technology Dept. of Radiation Measurement and Dose Assessment, National Institute of Radiological Sciences

kowatari.munehiko@qst.go.jp043-206-3029

Outcome results

None listed

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