Recent Advances in Brachytherapy Using Radioactive Nanoparticles: An Alternative to Seed-Based Brachytherapy

Interstitial brachytherapy (BT) is generally used for the treatment of well-confined solid tumors. One example of this is in the treatment of prostate tumors by permanent placement of radioactive seeds within the prostate gland, where low doses of radiation are delivered for several months. However,...

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Autores principales: Baljeet Seniwal, Velaphi C. Thipe, Sukhvir Singh, Telma C. F. Fonseca, Lucas Freitas de Freitas
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Publicado: Frontiers Media S.A. 2021
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spelling oai:doaj.org-article:37c0f6ae6c87455fb6b41ec4288dbdbe2021-11-30T16:57:00ZRecent Advances in Brachytherapy Using Radioactive Nanoparticles: An Alternative to Seed-Based Brachytherapy2234-943X10.3389/fonc.2021.766407https://doaj.org/article/37c0f6ae6c87455fb6b41ec4288dbdbe2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fonc.2021.766407/fullhttps://doaj.org/toc/2234-943XInterstitial brachytherapy (BT) is generally used for the treatment of well-confined solid tumors. One example of this is in the treatment of prostate tumors by permanent placement of radioactive seeds within the prostate gland, where low doses of radiation are delivered for several months. However, successful implementation of this technique is hampered due to several posttreatment adverse effects or symptoms and operational and logistical complications associated with it. Recently, with the advancements in nanotechnology, radioactive nanoparticles (radio-NPs) functionalized with tumor-specific biomolecules, injected intratumorally, have been reported as an alternative to seed-based BT. Successful treatment of solid tumors using radio-NPs has been reported in several preclinical studies, on both mice and canine models. In this article, we review the recent advancements in the synthesis and use of radio-NPs as a substitute to seed-based BT. Here, we discuss the limitations of current seed-based BT and advantages of radio-NPs for BT applications. Recent progress on the types of radio-NPs, their features, synthesis methods, and delivery techniques are discussed. The last part of the review focuses on the currently used dosimetry protocols and studies on the dosimetry of nanobrachytherapy applications using radio-NPs. The current challenges and future research directions on the role of radio-NPs in BT treatments are also discussed.Baljeet SeniwalVelaphi C. ThipeVelaphi C. ThipeSukhvir SinghTelma C. F. FonsecaLucas Freitas de FreitasFrontiers Media S.A.articleinterstitial brachytherapynanobrachytherapyradioactive nanoparticlesintratumoral injectionsolid tumorsNeoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENFrontiers in Oncology, Vol 11 (2021)
institution DOAJ
collection DOAJ
language EN
topic interstitial brachytherapy
nanobrachytherapy
radioactive nanoparticles
intratumoral injection
solid tumors
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
spellingShingle interstitial brachytherapy
nanobrachytherapy
radioactive nanoparticles
intratumoral injection
solid tumors
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
Baljeet Seniwal
Velaphi C. Thipe
Velaphi C. Thipe
Sukhvir Singh
Telma C. F. Fonseca
Lucas Freitas de Freitas
Recent Advances in Brachytherapy Using Radioactive Nanoparticles: An Alternative to Seed-Based Brachytherapy
description Interstitial brachytherapy (BT) is generally used for the treatment of well-confined solid tumors. One example of this is in the treatment of prostate tumors by permanent placement of radioactive seeds within the prostate gland, where low doses of radiation are delivered for several months. However, successful implementation of this technique is hampered due to several posttreatment adverse effects or symptoms and operational and logistical complications associated with it. Recently, with the advancements in nanotechnology, radioactive nanoparticles (radio-NPs) functionalized with tumor-specific biomolecules, injected intratumorally, have been reported as an alternative to seed-based BT. Successful treatment of solid tumors using radio-NPs has been reported in several preclinical studies, on both mice and canine models. In this article, we review the recent advancements in the synthesis and use of radio-NPs as a substitute to seed-based BT. Here, we discuss the limitations of current seed-based BT and advantages of radio-NPs for BT applications. Recent progress on the types of radio-NPs, their features, synthesis methods, and delivery techniques are discussed. The last part of the review focuses on the currently used dosimetry protocols and studies on the dosimetry of nanobrachytherapy applications using radio-NPs. The current challenges and future research directions on the role of radio-NPs in BT treatments are also discussed.
format article
author Baljeet Seniwal
Velaphi C. Thipe
Velaphi C. Thipe
Sukhvir Singh
Telma C. F. Fonseca
Lucas Freitas de Freitas
author_facet Baljeet Seniwal
Velaphi C. Thipe
Velaphi C. Thipe
Sukhvir Singh
Telma C. F. Fonseca
Lucas Freitas de Freitas
author_sort Baljeet Seniwal
title Recent Advances in Brachytherapy Using Radioactive Nanoparticles: An Alternative to Seed-Based Brachytherapy
title_short Recent Advances in Brachytherapy Using Radioactive Nanoparticles: An Alternative to Seed-Based Brachytherapy
title_full Recent Advances in Brachytherapy Using Radioactive Nanoparticles: An Alternative to Seed-Based Brachytherapy
title_fullStr Recent Advances in Brachytherapy Using Radioactive Nanoparticles: An Alternative to Seed-Based Brachytherapy
title_full_unstemmed Recent Advances in Brachytherapy Using Radioactive Nanoparticles: An Alternative to Seed-Based Brachytherapy
title_sort recent advances in brachytherapy using radioactive nanoparticles: an alternative to seed-based brachytherapy
publisher Frontiers Media S.A.
publishDate 2021
url https://doaj.org/article/37c0f6ae6c87455fb6b41ec4288dbdbe
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