Dosimetry and biodistribution of actinium radiopharmaceuticals for targeted alpha therapy

HM Koniar - 2024 - open.library.ubc.ca
Targeted alpha therapy (TAT) combines an alpha emitting radioisotope with an appropriate
biological targeting molecule to selectively bind to cancer cells and deliver highly localised …

In vivo quantitative SPECT imaging of actinium-226: feasibility and proof-of-concept

H Koniar, L Wharton, A Ingham… - Physics in Medicine …, 2024 - iopscience.iop.org
Objective. 225Ac radiopharmaceuticals have tremendous potential for targeted alpha
therapy (TAT), however, 225Ac (t1/2= 9.9 d) lacks direct gamma emissions for in vivo …

Actinium Biokinetics and Dosimetry: What is the Impact of Ac-227 in Accelerator-Produced Ac-225?☆☆☆

R Abergel, D An, A Lakes, J Rees, S Gauny - Journal of Medical Imaging …, 2019 - jmirs.org
Among the growing list of alpha-emitting isotopes now available for pharmaceutical
development, Ac-225 can act as an in vivo alpha-generator radionuclide and is of great …

SPECT imaging of 226Ac as a theranostic isotope for 225Ac radiopharmaceutical development

H Koniar, C Rodríguez-Rodríguez… - Physics in Medicine …, 2022 - iopscience.iop.org
Objective. The development of alpha-emitting radiopharmaceuticals using 225 Ac (t ½= 9.92
d) benefits from the quantitative determination of its biodistribution and is not always easy to …

SPECT imaging of Ac-226 for radiopharmaceutical development: Performance evaluation as a theranostic isotope pair for Ac-225

H Koniar, C Rodriguez-Rodriguez, V Radchenko… - 2022 - Soc Nuclear Med
2341 Introduction: The development of alpha-emitting radiopharmaceuticals using 225 Ac (t
½= 9.9 d) requires quantitative determination of its biodistribution. SPECT imaging of the …

Targeted alpha therapy: a critical review of translational dosimetry research with emphasis on actinium-225.

M de Saint-Hubert, M Crabbe, L Struelens… - The Quarterly Journal …, 2020 - europepmc.org
This review provides a general overview of the current achievements and challenges in
translational dosimetry for targeted alpha therapy (TAT). The concept of targeted …

Dosimetry considerations for preclinical Ac-226 radiopharmaceutical development as a novel theranostic isotope

H Koniar, L Wharton, A Ingham, AM Oliver… - 2023 - Soc Nuclear Med
P107 Introduction: 226 Ac (t 1/2= 29 h) has been proposed as a potential surrogate isotope
for the development of 225 Ac (t 1/2= 9.9 d) radiopharmaceuticals for targeted alpha therapy …

Modeling the effect of daughter migration on dosimetry estimates for unlabeled actinium‐225

S Tronchin, J Forster, K Hickson, E Bezak - Medical Physics, 2024 - Wiley Online Library
Abstract Background Actinium‐225 (225Ac) is an alpha emitting radionuclide which has
demonstrated promising results in Targeted Alpha Therapy (TAT). A concern with 225Ac is …

A multi-isotope low-count quantitative SPECT (MI-LC-QSPECT) method for Actinium-225-based alpha-particle therapies

K Enninful, Z Li, N Benabdallah, R Wahl, D Thorek… - 2024 - Soc Nuclear Med
242536 Introduction: Actinium-225 (Ac-225) is emerging as a promising candidate for
targeted alpha therapy [1], necessitating the important need for methods to quantify …

Actinium-225 Targeted Agents: Where Are We Now?

F Mourtada, K Tomiyoshi, J Sims-Mourtada… - Brachytherapy, 2023 - Elsevier
ABSTRACT α-particle targeted radionuclide therapy has shown promise for optimal cancer
management, an exciting new era for brachytherapy. Alpha-emitting nuclides can have …