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Published in: CardioVascular and Interventional Radiology 3/2019

01-03-2019 | Hepatocellular Carcinoma | Clinical Investigation

Holmium-166 Radioembolization in Hepatocellular Carcinoma: Feasibility and Safety of a New Treatment Option in Clinical Practice

Authors: Christoph G. Radosa, Julia C. Radosa, Sabine Grosche-Schlee, Klaus Zöphel, Verena Plodeck, Jens P. Kühn, Jörg Kotzerke, Ralf-Thorsten Hoffmann

Published in: CardioVascular and Interventional Radiology | Issue 3/2019

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Abstract

Purpose

To investigate clinical feasibility, technical success and toxicity of 166Ho-radioembolization (166Ho-RE) as new approach for treatment of hepatocellular carcinomas (HCC) and to assess postinterventional calculation of exact dosimetry through quantitative analysis of MR images.

Materials and Methods

From March 2017 to April 2018, nine patients suffering from HCC were treated with 166Ho-RE. To calculate mean doses on healthy liver/tumor tissue, MR was performed within the first day after treatment. For evaluation of hepatotoxicity and to rule out radioembolization-induced liver disease (REILD), the Model for End-Stage Liver Disease (MELD) Score, the Common Terminology Criteria for Adverse Events and specific laboratory parameters were used 1-day pre- and posttreatment and after 60 days. After 6 months, MR/CT follow-up was performed.

Results

In five patients the right liver lobe, in one patient the left liver lobe and in three patients both liver lobes were treated. Median administered activity was 3.7 GBq (range 1.7–5.9 GBq). Median dose on healthy liver tissue was 41 Gy (21–55 Gy) and on tumor tissue 112 Gy (61–172 Gy). Four patients suffered from mild postradioembolization syndrome. No significant differences in median MELD-Score were observed pre-, posttherapeutic and 60 days after 166Ho-RE. No deterioration of liver function and no indicators of REILD were observed. One patient showed a complete response, four a partial response, three a stable disease and one a progressive disease at the 6 months follow-up.

Conclusion

166Ho-RE seems to be a feasible and safe treatment option with no significant hepatotoxicity for treatment of HCC.
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Metadata
Title
Holmium-166 Radioembolization in Hepatocellular Carcinoma: Feasibility and Safety of a New Treatment Option in Clinical Practice
Authors
Christoph G. Radosa
Julia C. Radosa
Sabine Grosche-Schlee
Klaus Zöphel
Verena Plodeck
Jens P. Kühn
Jörg Kotzerke
Ralf-Thorsten Hoffmann
Publication date
01-03-2019
Publisher
Springer US
Published in
CardioVascular and Interventional Radiology / Issue 3/2019
Print ISSN: 0174-1551
Electronic ISSN: 1432-086X
DOI
https://doi.org/10.1007/s00270-018-2133-7

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