Dataset Information

Multicenter phase II study of sequential radioembolization-sorafenib therapy for inoperable hepatocellular carcinoma.

ABSTRACT:

Background

The safety and tolerability of sequential radioembolization-sorafenib therapy is unknown. An open-label, single arm, investigator-initiated Phase II study (NCT0071279) was conducted at four Asia-Pacific centers to evaluate the safety and efficacy of sequential radioembolization-sorafenib in patients with hepatocellular carcinoma (HCC) not amenable to curative therapies.

Methods

Sorafenib (400 mg twice-daily) was initiated 14 days post-radioembolization with yttrium-90 (90Y) resin microspheres given as a single procedure. The primary endpoints were safety and tolerability and best overall response rate (ORR) using RECIST v1.0.Secondary endpoints included: disease control rate (complete [CR] plus partial responses [PR] and stable disease [SD]) and overall survival (OS).

Results

Twenty-nine patients with Barcelona Clinic Liver Cancer (BCLC) stage B (38%) or C (62%) HCC received a median of 3.0 GBq (interquartile range, 1.0) 90Y-microspheres followed by sorafenib (median dose/day, 600.0 mg; median duration, 4.1 months). Twenty eight patients experienced ?1 toxicity; 15 (52%) grade ?3. Best ORR was 25%, including 2 (7%) CR and 5 (18%) PR, and 15 (54%) SD. Disease control was 100% and 65% in BCLC stage B and C, respectively. Two patients (7%) had sufficient response to enable radical therapy. Median survivals for BCLC stage B and C were 20.3 and 8.6 months, respectively.

Conclusions

This study shows the potential efficacy and manageable toxicity of sequential radioembolization-sorafenib.

Trial registration

ClinicalTrials.gov NCT00712790.

SUBMITTER: Chow PK

PROVIDER: S-EPMC3948695 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Multicenter phase II study of sequential radioembolization-sorafenib therapy for inoperable hepatocellular carcinoma.

Chow Pierce K H PK Poon Donald Y H DY Khin Maung-Win MW Singh Harjit H Han Ho-Seong HS Goh Anthony S W AS Choo Su-Pin SP Lai Hee-Kit HK Lo Richard H G RH Tay Kiang-Hiong KH Lim Teong-Guan TG Gandhi Mihir M Tan Say-Beng SB Soo Khee-Chee KC

PloS one 20140310 3

<h4>Background</h4>The safety and tolerability of sequential radioembolization-sorafenib therapy is unknown. An open-label, single arm, investigator-initiated Phase II study (NCT0071279) was conducted at four Asia-Pacific centers to evaluate the safety and efficacy of sequential radioembolization-sorafenib in patients with hepatocellular carcinoma (HCC) not amenable to curative therapies.<h4>Methods</h4>Sorafenib (400 mg twice-daily) was initiated 14 days post-radioembolization with yttrium-90 ( ...[more]

PMID: 24614178

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Project description:Purpose: Endoglin (CD105) is an endothelial cell membrane receptor highly expressed on proliferating tumor vasculature, including that of hepatocellular carcinoma (HCC), and is associated with poor prognosis. Endoglin is essential for angiogenesis, and its expression is induced by hypoxia and VEGF pathway inhibition. TRC105 is a chimeric IgG1 CD105 mAb that inhibits angiogenesis and causes antibody-dependent cellular cytotoxicity and apoptosis of proliferating endothelium.Experimental Design: Patients with HCC (Child-Pugh A/B7), ECOG 0/1, were enrolled in a phase I study of TRC105 at 3, 6, 10, and 15 mg/kg every 2 weeks given with sorafenib 400 mg twice daily. Correlative biomarkers included DCE-MRI and plasma levels of angiogenic factors, including soluble endoglin. Pharmacokinetics were assessed in serum.Results: Twenty-six patients were enrolled, of whom 25 received treatment, 15 with cirrhosis. Hep B/C: 3/15; M:F 19:6; mean age of 60 (range, 18-76); 1 DLT (grade 3 AST) occurred at 10 mg/kg. The most frequent toxicity was low-grade epistaxis, a known toxicity of TRC105. One patient experienced an infusion reaction and was replaced. One patient with coronary stenosis developed a fatal myocardial infarction, and one patient developed G3 cerebral tumor hemorrhage. MTD was not established and DL4 (15 mg/kg) was expanded. The overall response rate in 24 evaluable patients at all 4 dose levels was 21% [95% confidence interval (CI), 7.1-42.2], and 25% (95% CI, 8.7-49.1) in patients with measureable disease. Four patients had confirmed stable disease, one of whom was treated for 22 months. Median progression-free survival (PFS) for 24 patients evaluable for PFS was 3.8 months (95% CI, 3.2-5.6 months); median overall survival was 15.5 months (95% CI, 8.5-26.3 months).Conclusions: TRC105 combined with sorafenib was well tolerated at the recommended single agent doses of both drugs. Encouraging evidence of activity to date (PR rate 25%) was observed, and the study is now continuing to recruit in the phase II stage as a multicenter study to confirm activity of the combination. Clin Cancer Res; 23(16); 4633-41. ©2017 AACR.

Dataset Information

Multicenter phase II study of sequential radioembolization-sorafenib therapy for inoperable hepatocellular carcinoma.

Background

Methods

Results

Conclusions

Trial registration

Publications

Multicenter phase II study of sequential radioembolization-sorafenib therapy for inoperable hepatocellular carcinoma.

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