Aim: Evaluation of safety and efficacy of selective balloon-occluded transarterial chemoembolization using polyethylene glycol embolizing microspheres in patients with hepatocellular carcinoma. Materials & methods: Twenty-four consecutive patients were included in this monocentric prospective trial. Adverse events were evaluated at 24 h and 1 month. Imaging response according to modified response evaluation criteria in solid tumors was assessed at 1, 3 and 6 months. Results: The median time of follow-up was of 22.8 months (interquartile range (IQR) 17.38–26.22). Clinical grade 1/2 toxicities (0% >grade 2) were reported in 25.7% of patients, with abdominal pain being the most frequent complication (17.1%). No 30-days mortalities or liver decompensation were observed. The 1-month follow-up MRI showed an overall response rate of 74.3% Conclusion: Balloon-occluded transarterial chemoembolization was shown to be safe and effective.
The Full-Thickness Resection Device (FTRD; Ovesco Endoscopy, Tübingen, Germany) combines endoscopic full-thickness resection (EFTR) of gastrointestinal lesions with closure and cutting of the tissue in one integrated procedure. It provides en-bloc resection with an integral wall specimen for histopathological evaluation. This resection technique is partially filling of the gaps between the current procedures of choice in endoscopy (endoscopic mucosal resection and endoscopic submucosal dissection) and surgery. We present the case of an EFTR procedure performed for a periappendicular lateral spreading tumor.
BackgroundRecent data indicates that personalized dosimetry-based selective internal radiotherapy (SIRT) may be associated with better outcome for unresectable hepatocellular carcinoma (HCC).AimWe aim to evaluate the contribution of personalized predictive dosimetry (performed with Simplicity90® software) in HCC patients by comparing them to our historical cohort whose activity was determined by standard dosimetry. MethodsThis is a retrospective, single-center study conducted between February 2016 and December 2020 that included patients with HCC who received SIRT after simulation based on either standard dosimetry (group A) or, as of December 2017, on personalized dosimetry (group B). Primary objectives were best overall response (BOR) and objective response rate (ORR) evaluated by mRECIST at 3 months. Safety and toxicity profiles were evaluated at day 1, 1- and 3-months post-treatment. For group A we studied the dose-response relationship at 3 months and compared the activity to be administered determined a posteriori using Simplicit90Y® and the activity actually administered determined by the standard approach.ResultsBetween February 2016 and December 2020, 66 patients received 69 simulations leading to 40 treatments. The median follow-up time was equal for both groups, 21 months (range 3-55) in group A and 21 months (range 4-39) in group B. The per patient analysis revealed a significant benefit of personalized predictive dosimetry in terms of better overall response at 3 months (80% vs. 33.3%, p= 0.007) and at 6 months (77.8% vs. 22.2%, p= 0.06). This trend was found in the analysis by nodule with a response rate according to mRECIST of 87.5% for personalized dosimetry versus 68.4% for standard dosimetry at 3 months, p= 0.24. Only one grade 3 biological toxicity (hyperbilirubinemia) was noted in group A. The comparison between the administered activity and the recommended activity recalculated a posteriori using Simplicit90Y® showed that the vast majority of patients who progressed (83.33%) received less activity than that recommended by the personalized approach or an inadequate distribution of the administered activity. ConclusionsOur study confirms that the use of personalized dosimetry allows a better selection of HCC patients who can benefit from SIRT, and consequently, improves the effectiveness of this treatment.
Conventional transarterial embolization (cTACE) has been proven to be effective for intermediate stage hepatocellular carcinoma (HCC), with a recent systematic review showing an overall survival (OS) of 19.4 months. Nevertheless, due to the rapid development of the systemic therapeutic landscape, the place of TACE is becoming questionable. Is there still a niche for TACE in the era of immunotherapy and combination treatments such as atezolizumab–bevacizumab, which has shown an OS of 19.2 months with excellent tolerance? The development of drug-eluting microspheres (DEMs) has led to the standardization of the technique, and along with adequate selection, it showed an OS of 48 months in a retrospective study. In order to increase treatment selectivity, new catheters have also been added to the TACE arsenal as well as the use of cone-beam CT (CBCT), which provides three-dimensional volumetric images and guidance during procedures. Moreover, the TACE indications have also widened. It may serve as a “bridging therapy” for liver transplantation candidates while they are on the waiting list, and it represents a valuable downstaging tool to transplantation criteria. The aim of this review is to explore the current data on the advancements of TACE and its future place amongst the growing panel of treatments.
Purpose of reviewTo summarize targeted therapies and immunotherapy as treatment for advanced/metastatic biliary tract cancers and discuss ongoing clinical trials.
Recent findingsFor the first time since gemcitabine--cisplatin was set as the standard of care in first-line advanced/ metastatic biliary tract cancers in the ABC-02 trial, the combination of durvalumab and gemcitabine-cisplatin has demonstrated a statistically significant improvement of median overall survival in the TOPAZ-1 phase 3 trial. The ABC-06 trial showed a significant increase of median overall survival for FOLFOX and active symptom control compared with active symptom control alone in second-line regardless of molecular and genetic alterations. However, faced with a heterogeneous cancer, patient prognosis remains poor, leaving room for new, personalized, treatment options such as targeted therapies. Efficacy of fibroblast growth factor receptor (FGFR) tyrosine kinase inhibitors has been demonstrated in different phase 2 trials for previously treated intrahepatic cholangiocarcinomas harboring FGFR2 fusions. Ivosidenib increases significantly median progression-free survival in previously treated cholangiocarcinomas with isocitrate dehydrogenase-1 (IDH-1) mutation. Other targeted therapies are tested for tumors with HER2 amplifications/mutations, BRAF V600E mutations or KRAS G12C mutations.
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