Nonclinical study and applicability of the absorbed dose conversion method with a single biodistribution measurement for targeted alpha-nuclide therapy.

Biodistribution Dose conversion Pharmacokinetics RAP Targeted alpha-nuclide therapy

Journal

EJNMMI physics
ISSN: 2197-7364
Titre abrégé: EJNMMI Phys
Pays: Germany
ID NLM: 101658952

Informations de publication

Date de publication:
11 Dec 2021
Historique:
received: 31 05 2021
accepted: 19 11 2021
entrez: 13 12 2021
pubmed: 14 12 2021
medline: 14 12 2021
Statut: epublish

Résumé

We recently reported a new absorbed dose conversion method, RAP (RAtio of Pharmacokinetics), for We derived a new formalism of the RAP dose conversion method at time t. In addition, we acquired a formula to determine the optimal timing of a single measurement of the percent injected dose/g, assuming the one-compartment model for biological clearance. We investigated the new formalism's performance using a representative RAP coefficient with radioactive decay weighting. Dose conversions by representative RAP coefficients predicted the true [ The RAP dose conversion method renovated by the new formalism was able to estimate the [

Sections du résumé

BACKGROUND BACKGROUND
We recently reported a new absorbed dose conversion method, RAP (RAtio of Pharmacokinetics), for
METHODS METHODS
We derived a new formalism of the RAP dose conversion method at time t. In addition, we acquired a formula to determine the optimal timing of a single measurement of the percent injected dose/g, assuming the one-compartment model for biological clearance.
RESULTS RESULTS
We investigated the new formalism's performance using a representative RAP coefficient with radioactive decay weighting. Dose conversions by representative RAP coefficients predicted the true [
CONCLUSIONS CONCLUSIONS
The RAP dose conversion method renovated by the new formalism was able to estimate the [

Identifiants

pubmed: 34897556
doi: 10.1186/s40658-021-00425-z
pii: 10.1186/s40658-021-00425-z
pmc: PMC8665908
doi:

Types de publication

Journal Article

Langues

eng

Pagination

80

Subventions

Organisme : KAKENHI
ID : JP19H04296

Informations de copyright

© 2021. The Author(s).

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Auteurs

Tetsuya Sakashita (T)

Quantum Beam Science Research Directorate, National Institutes for Quantum Science and Technology, 1233 Watanuki-machi, Takasaki, 370-1292, Japan. sakashita.tetsuya@qst.go.jp.

Shojiro Matsumoto (S)

Quantum Beam Science Research Directorate, National Institutes for Quantum Science and Technology, 1233 Watanuki-machi, Takasaki, 370-1292, Japan.

Shigeki Watanabe (S)

Quantum Beam Science Research Directorate, National Institutes for Quantum Science and Technology, 1233 Watanuki-machi, Takasaki, 370-1292, Japan.

Hirofumi Hanaoka (H)

Department of Bioimaging Information Analysis, Gunma University Graduate School of Medicine, 3-39-22 Showa, Maebashi, 371-8511, Japan.

Yasuhiro Ohshima (Y)

Quantum Beam Science Research Directorate, National Institutes for Quantum Science and Technology, 1233 Watanuki-machi, Takasaki, 370-1292, Japan.

Yoko Ikoma (Y)

Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba, 263-8555, Japan.

Naoyuki Ukon (N)

Advanced Clinical Research Center, Fukushima Medical University, 1 Hikariga-oka, Fukushima, 960-1295, Japan.

Ichiro Sasaki (I)

Quantum Beam Science Research Directorate, National Institutes for Quantum Science and Technology, 1233 Watanuki-machi, Takasaki, 370-1292, Japan.

Tatsuya Higashi (T)

Department of Molecular Imaging and Theranostics, National Institutes for Quantum Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba, 263-8555, Japan.

Tetsuya Higuchi (T)

Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, 3-39-22 Showa, Maebashi, 371-8511, Japan.

Yoshito Tsushima (Y)

Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, 3-39-22 Showa, Maebashi, 371-8511, Japan.

Noriko S Ishioka (NS)

Quantum Beam Science Research Directorate, National Institutes for Quantum Science and Technology, 1233 Watanuki-machi, Takasaki, 370-1292, Japan.

Classifications MeSH