Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer

Dmitry Dzhuzha

doi:doi:10.11648/j.ijbecs.20230903.14

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Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer

Dmitry Dzhuzha

Published in International Journal of Biomedical Engineering and Clinical Science (Volume 9, Issue 3)

Received: 12 June 2023 Accepted: 6 July 2023 Published: 20 July 2023

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Abstract

Background: The radioiodine ablation (RIA) of thyroid residuum in patients with differentiated thyroid cancer (DTC) is an important stage of complex treatment. The aim of RIA is the elimination of potential foci of DTC and creating conditions for monitoring of the patients. Prognosis of the efficacy of RIA is important for further planning of the complex treatment. The aim of the study was to improve a prognosis of RIA of thyroid residual tissue (TRT) in patients with DTC using scintigraphic date about ¹³¹I kinetics, that reflect a radioresistance of a thyroid tissue. Material and Methods: The results of RIA of TRT in 62 patients were analyzed. During radioiodine therapy (RIT) the elimination halftime of ¹³¹I from TRT in time interval 3–6 days after administration of therapeutic activities was determined, and the focal radiation adsorbed doses (FRAD) in TRT were calculated. Results: It was determined that values Т_1/2 ≥ 4.0 days may indicate on the high probability of the incomplete RIA of TRT at FRAD within 50–500 Gy, while values Т_1/2≤ 1.9 days – on the radiosensitivity of the thyroid tissue and the great probability of the complete RIA. Conclusions: During RIT of DCT the elimination halftime of iodine-131, determined on time interval 3–6 days after the administration of therapeutic activities may be used as one of predicative indices of RIA efficacy. Since the elimination halftime of the radiopharmaceutical reflects the individual natural radiosensitivity of TRT, this approach may be applied in studies of the radioresistance of a normal human tissue.

Published in	International Journal of Biomedical Engineering and Clinical Science (Volume 9, Issue 3)
DOI	10.11648/j.ijbecs.20230903.14
Page(s)	56-59
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2023. Published by Science Publishing Group

Keywords

Differentiated Thyroid Cancer, Radioiodine Therapy, Radioiodine Ablation, Residual Thyroid Tissue, Prognosis of Radioiodine Ablation Efficacy

References

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APA Style

Dmitry Dzhuzha. (2023). Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer. International Journal of Biomedical Engineering and Clinical Science, 9(3), 56-59. https://doi.org/10.11648/j.ijbecs.20230903.14

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ACS Style

Dmitry Dzhuzha. Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer. Int. J. Biomed. Eng. Clin. Sci. 2023, 9(3), 56-59. doi: 10.11648/j.ijbecs.20230903.14

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AMA Style

Dmitry Dzhuzha. Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer. Int J Biomed Eng Clin Sci. 2023;9(3):56-59. doi: 10.11648/j.ijbecs.20230903.14

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@article{10.11648/j.ijbecs.20230903.14,
  author = {Dmitry Dzhuzha},
  title = {Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer},
  journal = {International Journal of Biomedical Engineering and Clinical Science},
  volume = {9},
  number = {3},
  pages = {56-59},
  doi = {10.11648/j.ijbecs.20230903.14},
  url = {https://doi.org/10.11648/j.ijbecs.20230903.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijbecs.20230903.14},
  abstract = {Background: The radioiodine ablation (RIA) of thyroid residuum in patients with differentiated thyroid cancer (DTC) is an important stage of complex treatment. The aim of RIA is the elimination of potential foci of DTC and creating conditions for monitoring of the patients. Prognosis of the efficacy of RIA is important for further planning of the complex treatment. The aim of the study was to improve a prognosis of RIA of thyroid residual tissue (TRT) in patients with DTC using scintigraphic date about 131I kinetics, that reflect a radioresistance of a thyroid tissue. Material and Methods: The results of RIA of TRT in 62 patients were analyzed. During radioiodine therapy (RIT) the elimination halftime of 131I from TRT in time interval 3–6 days after administration of therapeutic activities was determined, and the focal radiation adsorbed doses (FRAD) in TRT were calculated. Results: It was determined that values Т1/2 ≥ 4.0 days may indicate on the high probability of the incomplete RIA of TRT at FRAD within 50–500 Gy, while values Т1/2 ≤ 1.9 days – on the radiosensitivity of the thyroid tissue and the great probability of the complete RIA. Conclusions: During RIT of DCT the elimination halftime of iodine-131, determined on time interval 3–6 days after the administration of therapeutic activities may be used as one of predicative indices of RIA efficacy. Since the elimination halftime of the radiopharmaceutical reflects the individual natural radiosensitivity of TRT, this approach may be applied in studies of the radioresistance of a normal human tissue.},
 year = {2023}
}

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TY  - JOUR
T1  - Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer
AU  - Dmitry Dzhuzha
Y1  - 2023/07/20
PY  - 2023
N1  - https://doi.org/10.11648/j.ijbecs.20230903.14
DO  - 10.11648/j.ijbecs.20230903.14
T2  - International Journal of Biomedical Engineering and Clinical Science
JF  - International Journal of Biomedical Engineering and Clinical Science
JO  - International Journal of Biomedical Engineering and Clinical Science
SP  - 56
EP  - 59
PB  - Science Publishing Group
SN  - 2472-1301
UR  - https://doi.org/10.11648/j.ijbecs.20230903.14
AB  - Background: The radioiodine ablation (RIA) of thyroid residuum in patients with differentiated thyroid cancer (DTC) is an important stage of complex treatment. The aim of RIA is the elimination of potential foci of DTC and creating conditions for monitoring of the patients. Prognosis of the efficacy of RIA is important for further planning of the complex treatment. The aim of the study was to improve a prognosis of RIA of thyroid residual tissue (TRT) in patients with DTC using scintigraphic date about 131I kinetics, that reflect a radioresistance of a thyroid tissue. Material and Methods: The results of RIA of TRT in 62 patients were analyzed. During radioiodine therapy (RIT) the elimination halftime of 131I from TRT in time interval 3–6 days after administration of therapeutic activities was determined, and the focal radiation adsorbed doses (FRAD) in TRT were calculated. Results: It was determined that values Т1/2 ≥ 4.0 days may indicate on the high probability of the incomplete RIA of TRT at FRAD within 50–500 Gy, while values Т1/2 ≤ 1.9 days – on the radiosensitivity of the thyroid tissue and the great probability of the complete RIA. Conclusions: During RIT of DCT the elimination halftime of iodine-131, determined on time interval 3–6 days after the administration of therapeutic activities may be used as one of predicative indices of RIA efficacy. Since the elimination halftime of the radiopharmaceutical reflects the individual natural radiosensitivity of TRT, this approach may be applied in studies of the radioresistance of a normal human tissue.
VL  - 9
IS  - 3
ER  -

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Author Information

Dmitry Dzhuzha

Department of Nuclear Medicine, Nonprofit Organisation National Cancer Institute of Ministry of Health of Ukraine, Kyiv, Ukraine

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APA Style

Dmitry Dzhuzha. (2023). Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer. International Journal of Biomedical Engineering and Clinical Science, 9(3), 56-59. https://doi.org/10.11648/j.ijbecs.20230903.14

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ACS Style

Dmitry Dzhuzha. Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer. Int. J. Biomed. Eng. Clin. Sci. 2023, 9(3), 56-59. doi: 10.11648/j.ijbecs.20230903.14

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AMA Style

Dmitry Dzhuzha. Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer. Int J Biomed Eng Clin Sci. 2023;9(3):56-59. doi: 10.11648/j.ijbecs.20230903.14

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@article{10.11648/j.ijbecs.20230903.14,
  author = {Dmitry Dzhuzha},
  title = {Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer},
  journal = {International Journal of Biomedical Engineering and Clinical Science},
  volume = {9},
  number = {3},
  pages = {56-59},
  doi = {10.11648/j.ijbecs.20230903.14},
  url = {https://doi.org/10.11648/j.ijbecs.20230903.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijbecs.20230903.14},
  abstract = {Background: The radioiodine ablation (RIA) of thyroid residuum in patients with differentiated thyroid cancer (DTC) is an important stage of complex treatment. The aim of RIA is the elimination of potential foci of DTC and creating conditions for monitoring of the patients. Prognosis of the efficacy of RIA is important for further planning of the complex treatment. The aim of the study was to improve a prognosis of RIA of thyroid residual tissue (TRT) in patients with DTC using scintigraphic date about 131I kinetics, that reflect a radioresistance of a thyroid tissue. Material and Methods: The results of RIA of TRT in 62 patients were analyzed. During radioiodine therapy (RIT) the elimination halftime of 131I from TRT in time interval 3–6 days after administration of therapeutic activities was determined, and the focal radiation adsorbed doses (FRAD) in TRT were calculated. Results: It was determined that values Т1/2 ≥ 4.0 days may indicate on the high probability of the incomplete RIA of TRT at FRAD within 50–500 Gy, while values Т1/2 ≤ 1.9 days – on the radiosensitivity of the thyroid tissue and the great probability of the complete RIA. Conclusions: During RIT of DCT the elimination halftime of iodine-131, determined on time interval 3–6 days after the administration of therapeutic activities may be used as one of predicative indices of RIA efficacy. Since the elimination halftime of the radiopharmaceutical reflects the individual natural radiosensitivity of TRT, this approach may be applied in studies of the radioresistance of a normal human tissue.},
 year = {2023}
}

Copy | Download

TY  - JOUR
T1  - Predicative Meaning of Radioiodine Pharmacokinetics Indices for Evaluation of Radioablation Efficacy of Thyroid Residuum in Patients with Differentiated Thyroid Cancer
AU  - Dmitry Dzhuzha
Y1  - 2023/07/20
PY  - 2023
N1  - https://doi.org/10.11648/j.ijbecs.20230903.14
DO  - 10.11648/j.ijbecs.20230903.14
T2  - International Journal of Biomedical Engineering and Clinical Science
JF  - International Journal of Biomedical Engineering and Clinical Science
JO  - International Journal of Biomedical Engineering and Clinical Science
SP  - 56
EP  - 59
PB  - Science Publishing Group
SN  - 2472-1301
UR  - https://doi.org/10.11648/j.ijbecs.20230903.14
AB  - Background: The radioiodine ablation (RIA) of thyroid residuum in patients with differentiated thyroid cancer (DTC) is an important stage of complex treatment. The aim of RIA is the elimination of potential foci of DTC and creating conditions for monitoring of the patients. Prognosis of the efficacy of RIA is important for further planning of the complex treatment. The aim of the study was to improve a prognosis of RIA of thyroid residual tissue (TRT) in patients with DTC using scintigraphic date about 131I kinetics, that reflect a radioresistance of a thyroid tissue. Material and Methods: The results of RIA of TRT in 62 patients were analyzed. During radioiodine therapy (RIT) the elimination halftime of 131I from TRT in time interval 3–6 days after administration of therapeutic activities was determined, and the focal radiation adsorbed doses (FRAD) in TRT were calculated. Results: It was determined that values Т1/2 ≥ 4.0 days may indicate on the high probability of the incomplete RIA of TRT at FRAD within 50–500 Gy, while values Т1/2 ≤ 1.9 days – on the radiosensitivity of the thyroid tissue and the great probability of the complete RIA. Conclusions: During RIT of DCT the elimination halftime of iodine-131, determined on time interval 3–6 days after the administration of therapeutic activities may be used as one of predicative indices of RIA efficacy. Since the elimination halftime of the radiopharmaceutical reflects the individual natural radiosensitivity of TRT, this approach may be applied in studies of the radioresistance of a normal human tissue.
VL  - 9
IS  - 3
ER  -

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