Publications by authors named "Max W Sung"

Background: Immune checkpoint inhibitors (ICIs) are standard therapy for unresectable HCC, but many patients do not respond. Non-viral HCC, particularly non-alcoholic steatohepatitis (NASH), have been implicated in ICI resistance.

Methods: We reviewed 288 patients with unresectable HCC who received ICI from 1/2017 to 12/2021.

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Background: Neoadjuvant chemotherapy (NACT) is increasingly being used in the management of locally advanced biliary tract cancer (BTC). The evidence suggests a contributing role of tumor infiltrating immune cells in the prognosis and response. We set out to characterize immune modulation of tumor immune microenvironment in BTC following NACT.

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Introduction: Lenvatinib (dosing for patients who weigh ≥60 kg was 12 mg/day; for patients who weigh <60 kg, the dose was 8 mg/day) plus pembrolizumab 200 mg once every 3 weeks demonstrated antitumor activity and a manageable safety profile in patients with first-line unresectable hepatocellular carcinoma (uHCC) in the open-label phase 1b Study 116/KEYNOTE-524 (primary analysis data cutoff date: October 31, 2019; median follow-up: 10.6 months). This analysis (updated data cutoff date: March 31, 2021) reports efficacy results from 17 months of additional follow-up time.

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Purpose: To investigate if combination therapy with immune checkpoint inhibitor (ICI) and yttrium-90 (Y) radioembolization results in superior outcomes than those yielded by tyrosine kinase inhibitor (TKI) therapy and Y for the treatment of intermediate- to advanced-stage hepatocellular carcinoma (HCC).

Methods: A retrospective review of patients presented at an institutional multidisciplinary liver tumor board between January 1, 2012 and August 1, 2023 was conducted. In total, 44 patients with HCC who underwent Y 4 weeks within initiation of ICI or TKI therapy were included.

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Article Synopsis
  • * In a study analyzing 476 patients from REFLECT, 212 developed CSTE-HTN, leading to numerically longer overall survival (OS) rates for those with hypertension compared to those without (16.3 vs. 11.6 months at 4 weeks).
  • * The analysis indicates that while CSTE-HTN was associated with improved overall survival, it did not significantly alter progression-free survival (PFS); early detection and management of hypertension did not negatively impact treatment
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  • Advanced practice providers (APPs) are crucial in detecting and managing adverse reactions (ARs) associated with lenvatinib, especially since these ARs can mimic cirrhosis linked to hepatocellular carcinoma (HCC).
  • The post-hoc analysis of the REFLECT trial aimed to identify and discuss management strategies for key ARs related to lenvatinib treatment in patients with unresectable HCC.
  • Key ARs typically presented within months of treatment initiation, and while they can often be managed by adjusting the dosage or withholding the drug, lenvatinib should be discontinued if a reaction is life-threatening.
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Surufatinib, is a potent inhibitor of vascular endothelial growth factor receptors 1-3; fibroblast growth factor receptor-1; colony-stimulating factor 1 receptor. This Phase 1/1b escalation/expansion study in US patients with solid tumors evaluated 5 once daily (QD) surufatinib doses (3 + 3 design) to identify maximum tolerated dose (MTD), recommended Phase 2 dose (RP2D), and evaluate safety and efficacy at the RP2D in 4 disease-specific expansion cohorts including pancreatic neuroendocrine tumors [pNET] and extrapancreatic NETs [epNET]. MTD and RP2D were 300 mg QD (escalation [n = 35]); 5 patients (15.

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Background & Aims: Single-agent anti-PD1 checkpoint inhibitors convey outstanding clinical benefits in a small fraction (∼20%) of patients with advanced hepatocellular carcinoma (aHCC) but the molecular mechanisms determining response are unknown. To fill this gap, we herein analyze the molecular and immune traits of aHCC in patients treated with anti-PD1.

Methods: Overall, 111 tumor samples from patients with aHCC were obtained from 13 centers before systemic therapies.

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Background: Surgical resection of early stage hepatocellular carcinoma is standard clinical practice; however, most tumours recur despite surgery, and no perioperative intervention has shown a survival benefit. Neoadjuvant immunotherapy has induced pathological responses in multiple tumour types and might decrease the risk of postoperative recurrence in hepatocellular carcinoma. We aimed to evaluate the clinical activity of neoadjuvant cemiplimab (an anti-PD-1) in patients with resectable hepatocellular carcinoma.

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Article Synopsis
  • The study investigates the mutational landscape of advanced hepatocellular carcinoma (HCC) and seeks to find biomarkers predicting resistance to systemic therapies using circulating tumor DNA (ctDNA).
  • A total of 121 patients were enrolled, revealing frequent mutations in key genes like TERT promoter (51%) and TP53 (32%), and it was observed that mutations in the PI3K/MTOR pathway led to shorter progression-free survival after tyrosine kinase inhibitors.
  • The research indicates that while mutation frequencies in ctDNA are consistent with those in early-stage HCC, specific mutations can serve as predictive biomarkers for treatment responses.
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Nivolumab is an immune checkpoint inhibitor (ICI) approved for treatment of many cancers, including hepatocellular carcinoma (HCC). Liver injury is a known complication in patients treated with nivolumab for nonliver tumors. To date, the morphologic changes to tumor and nontumor liver have not been well-characterized in HCC patients.

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Article Synopsis
  • Lenvatinib, a multikinase inhibitor, shows potential as an effective treatment for unresectable hepatocellular carcinoma (HCC) when combined with pembrolizumab, an anti-PD-1 antibody, in a phase Ib study.
  • The study involved 104 patients with no prior systemic therapy; results showed an objective response rate of 46% and a median overall survival of 22 months.
  • Despite grade ≥ 3 treatment-related adverse events occurring in 67% of patients, the combination therapy was deemed safe, with no new safety concerns emerging.
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Outcomes for patients with advanced hepatocellular carcinoma (HCC) remain poor despite recent progress in drug development. Emerging data implicate FGF19 as a potential HCC driver, suggesting its receptor, FGFR4, as a novel therapeutic target. We evaluated fisogatinib (BLU-554), a highly potent and selective oral FGFR4 inhibitor, in a phase I dose-escalation/dose-expansion study in advanced HCC using FGF19 expression measured by IHC as a biomarker for pathway activation.

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This article was originally published under a standard license to Publish, but has now been made available under a CC BY license. The PDF and HTML versions of the paper have been modified accordingly.An amendment to this paper has been published and can be accessed via a link at the top of the paper.

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Background: Proteinuria monitoring is required in patients receiving lenvatinib, however, current methodology involves burdensome overnight urine collection.

Methods: To determine whether the simpler urine protein:creatinine ratio (UPCR) calculated from spot urine samples could be accurately used for proteinuria monitoring in patients receiving lenvatinib, we evaluated the correlation between UPCR and 24-hour urine protein results from the phase 3 REFLECT study. Paired data (323 tests, 154 patients) were analysed.

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Background: Radiotherapy is increasingly used to treat oligometastatic patients. We sought to identify prognostic criteria in oligometastatic patients undergoing definitive hypofractionated image-guided radiotherapy (HIGRT).

Methods: Exclusively extracranial oligometastatic patients treated with HIGRT were pooled.

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Background: Transcatheter arterial chemoembolization (TACE) has been used to curtail tumor vasculature and delay tumor progression in hepatocellular carcinoma (HCC). We conducted a phase I trial to evaluate the efficacy and toxicity of thalidomide when combined with TACE in patients with advanced HCC.

Methods: Between June 2000 and November 2003, 56 patients with unresectable HCC and amenable to TACE were enrolled.

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Preliminary results demonstrated that concurrent sunitinib and stereotactic body radiation therapy (SBRT) is an active regimen for metastases limited in number and extent. This analysis was conducted to determine the long-term survival and cancer control outcomes for this novel regimen. Forty-six patients with oligometastases, defined as five or fewer clinical detectable metastases from any primary site, were treated on a phase I/II trial from February 2007 to September 2010.

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Article Synopsis
  • The study explored the effectiveness of combining sunitinib, a cancer-targeting drug, with hypofractionated image-guided radiotherapy (IGRT) in patients with limited metastases (1-5 tumor spots).
  • A total of 25 patients enrolled in the phase II trial showed promising results with 18-month local control rates of 75%, and overall survival rates of 71%.
  • Despite achieving notable clinical responses, 28% of patients experienced serious side effects like myelosuppression and bleeding, indicating a need for careful monitoring during treatment.
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Background: It has been demonstrated that the humanized clivatuzumab tetraxetan (hPAM4) antibody targets pancreatic ductal carcinoma selectively. After a trial of radioimmunotherapy that determined the maximum tolerated dose of single-dose yttrium-90-labeled hPAM4 ((90) Y-hPAM4) and produced objective responses in patients with advanced pancreatic ductal carcinoma, the authors studied fractionated radioimmunotherapy combined with low-dose gemcitabine in this disease.

Methods: Thirty-eight previously untreated patients (33 patients with stage IV disease and 5 patients with stage III disease) received gemcitabine 200 mg/m(2) weekly for 4 weeks with (90) Y-hPAM4 given weekly in Weeks 2, 3, and 4 (cycle 1), and the same cycle was repeated in 13 patients (cycles 2-4).

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Background: To determine the safety and maximum-tolerated dose of concurrent sunitinib and image-guided radiotherapy (IGRT) followed by maintenance sunitinib in oligometastastic patients.

Methods: Eligible patients had 1 to 5 sites of metastatic cancer measuring View Article and Find Full Text PDF

Background: Phenylbutyrate (PB), a histone deacetylase inhibitor (HDACi), has been shown in laboratory studies to potentiate growth inhibition by 5-fluorouracil (FUra) of human colon carcinoma cells.

Patients And Methods: Phase I trial of FUra (24-hour continuous intravenous infusion (CIV)) with dose escalation (2 g/m2 to 2.3 g/m2), in combination with PB (120 hour CIV at fixed dose 410 mg/kg/d x 5), repeated weekly, in patients with advanced colorectal cancer.

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Very little is known about the natural history, effects of therapy, and survival after recurrence of hepatocellular carcinoma (HCC) after liver transplantation. All adult patients undergoing liver transplant from September 19, 1988, until September 19, 2002, were reviewed. Only patients with histologically proven HCC in the explant who subsequently developed recurrence were included in further analysis.

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Posttransplantation allograft malignancy of donor origin is a rare complication after liver transplantation. In the case described, subjective fevers and nonspecific abdominal complaints nearly 6 months following cadaveric liver transplantation in a young woman prompted an evaluation which was remarkable for a large central liver mass. A poorly differentiated squamous cell carcinoma was diagnosed, but was unresectable at exploration.

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Cancer survival has improved, and more attention is now being focused on quality of life. Quality-of-life issues include the physical, psychological, social, spiritual, and financial aspects of caring. Because patient support services can play an important role in helping patients cope with their disease, they are critical to patients with cancer and their families.

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