Drug-eluting bead chemoembolization for the treatment of nonresectable hepatic carcinoma in dogs: A prospective clinical trial

Cleo P. Rogatko, Chick Weisse, Tobias Schwarz, Allyson C. Berent, Marcio A. Diniz

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Background: Effective treatment options for nonresectable hepatic carcinoma (HC) in dogs are limited. Hypothesis/Objective: Objectives were to report outcomes, complications, and tumor responses via computed tomography (CT) assessment after drug-eluting bead transarterial chemoembolization (DEB-TACE) for nonresectable HC in dogs. The authors hypothesized that major complications would be uncommon and short-term CT assessment would demonstrate stable disease or partial response. Animals: Client-owned dogs (n = 16) with nonresectable HC. Methods: Prospective, single-arm clinical trial. Drug-eluting bead transarterial chemoembolization was performed to varying levels of blood flow stasis. Computed tomography imaging was compared before and approximately 12 weeks after initial treatment. Results: Drug-eluting bead transarterial chemoembolization was successfully administered in all attempts. Based on percent change in elliptical tumor volume response (mL), stable disease (8/13; 62%) was the most common outcome followed by partial response (3/13; 23%) and progressive disease (2/13; 15%) with a median of 74 days (range, 39-125) after initial treatment. Median tumor volume (mL) after DEB-TACE decreased in volume by 13% (range, 56% decrease to 77% increase). Mild complications consistent with postembolization syndrome occurred after 7/27 (26%) treatments. Major complications occurred after 3/27 (11%) treatments: hepatic abscess/septicemia (2) and cholecystitis/death (1), resulting in treatment-induced death after 2/27 (7%) treatments. Median survival time after treatment was 337 days (range, 22-1061). Dogs with a presenting complaint of weight loss (P =.02) had a significantly shorter median survival time (126 days; range, 46-337) than those dogs without prior history of weight loss (582 days; range, 22-1061). Conclusions: Drug-eluting bead transarterial chemoembolization for nonresectable HC is a feasible procedure, which promoted stable disease or partial response in 85% of dogs in this study sample.

Original languageEnglish
Pages (from-to)1487-1495
Number of pages9
JournalJournal of Veterinary Internal Medicine
Volume35
Issue number3
DOIs
StatePublished - 1 May 2021
Externally publishedYes

Keywords

  • DEB
  • TACE
  • doxorubicin
  • interventional radiology
  • liver

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