Isolated limb infusion as a model to test new agents to treat metastatic melanoma.
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ABSTRACT:
SUBMITTER: Lidsky ME
PROVIDER: S-EPMC5161101 | biostudies-literature | 2014 Mar
REPOSITORIES: biostudies-literature
Publications
Isolated limb infusion as a model to test new agents to treat metastatic melanoma.
Lidsky Michael E ME Speicher Paul J PJ Jiang Betty B Tsutsui Masahito M Tyler Douglas S DS
Journal of surgical oncology 20131120 4
The limb model of in-transit disease can expand our understanding of treating melanoma because of the ease of obtaining tissue biopsies for correlative studies and the availability of preclinical animal models that allow validation of novel therapeutic strategies. This review will focus on regional therapy for in-transit melanoma as a platform to investigate novel therapeutic approaches to improve regional disease control, and help us develop insights to more rationally design systemic therapy t ...[more]
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Project description:IntroductionIn-transit melanoma or melanoma presenting as unresectable liver metastases are clinical situations with limited therapeutic options. Regional intra-arterial therapies provide efficacious treatment alternatives for these patients. Through surgical techniques of vascular isolation, regional therapies deliver high-dose chemotherapy to tumor cells while minimizing systemic exposure. However, percutaneous techniques such as isolated limb infusion (ILI) and percutaneous hepatic perfusion (PHP) have been developed, which provide a minimally invasive means of obtaining vascular isolation of target organs.Areas coveredAreas covered in this review include the techniques of ILI and PHP, the chemotherapeutic agents utilized during these regional therapies and the clinical responses seen after ILI and PHP. The pharmacokinetics of regional chemotherapy utilized during ILI and PHP is also reviewed with an additional focus on novel ways to optimize drug delivery to improve response rates and attempts to define the potential systemic manifestations of regional therapeutics.Expert opinionUnresectable hepatic and limb in-transit metastases from melanoma are very difficult to treat. Systemic chemotherapy has largely been ineffective. Both the minimally invasive, percutaneous techniques of ILI and PHP are excellent methods used to deliver extremely high-dose chemotherapy regionally to patients harboring metastatic melanoma confined to an extremity or liver, respectively. Studies, from prospectively maintained databases as well as Phase II and III trials, have shown the great efficacy of these techniques.
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Project description:IntroductionIsolated limb perfusion and infusion (ILP/ILI) are therapies for regional metastatic melanoma that allow high doses of anticancer drugs to be delivered directly into the circulation of an affected limb, thereby minimizing systemic drug toxicity. This procedure can lead to high response rates and is recommended in patients with Stage III unresectable metastatic melanoma. However, limited information is available on patterns of use and costs. This study examined patterns of ILP/ILI use and associated costs in patients with melanoma in the United States (US).MethodsRetrospective, observational study, using administrative claims data from the MarketScan(®) databases, was performed in patients with a diagnosis of melanoma (ICD-9-CM: 172.xx, V10.82) who underwent ILP/ILI (CPT-4: 36823) between January 1, 2002 and March 31, 2013. Patient characteristics, use patterns, length of hospital stay, and costs (per 2014 US $) of ILP/ILI were assessed.ResultsOne hundred and thirteen patients met the study criteria and were included in the analysis. Mean age was 61.4 years (standard deviation [SD] 13.8) and 38.9% of patients were male; the mean baseline Charlson Comorbidity Index was 0.19; 34.5% of patients were Medicare beneficiaries. The majority of patients (87.6%) had melanoma of the lower limb, 11.5% of the upper limb, and 0.9% of both limbs; 60.2% had lymph node metastasis and 56.6% had skin metastasis. Four patients (3.5%) underwent multiple ILP/ILI. The mean (± SD) length of hospital stay was 5.6 (± 3.5) days and the mean (± SD) cost was US$36,758 (± 27,124) per ILP/ILI procedure.ConclusionsIsolated limb perfusion and infusion in patients with melanoma were associated with long hospital stays and high costs. These results provide useful source data for the economic evaluation of treatment options for regional metastatic melanoma.FundingThis study was funded by Amgen, Inc.
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Project description:For decades, isolated limb infusion (ILI) and hyperthermic isolated limb perfusion (HILP) have been used to treat melanoma in-transit metastases and unresectable sarcoma confined to the limb utilizing the effect of loco-regional high-dose chemotherapy to the isolated limb. Both procedures are able to provide high response rates in patients with numerous or bulky lesions in whom other loco-regional treatments are becoming ineffective. In comparison to systemic therapies, on the other hand, ILI and HILP have the advantage of not being associated with systemic side-effects. Although in principle ILI and HILP are similar procedures, ILI is technically simpler to perform and differs from HILP in that it takes advantage of the hypoxic and acidotic environment that develops in the isolated limb, potentiating anti-tumour activity of the cytotoxic agents melphalan +/- actinomycin-D. Due to its simplicity, ILI can be used in both preclinical and clinical studies to test new cytotoxic regimens and combinations with the aim to overcome tumour resistance. In the future, administration of cytotoxic agents by ILI, in combination with systemic treatments such as BRAF/MEK/KIT inhibitors, immunotherapy (CTLA-4 blockade), and/or programmed death (PD-1) pathway inhibitors, has the potential to improve responses further by inducing increased tumour cell death while limiting the ability of the tumour to suppress the immune response.
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Project description:A 54-year-old man presented with a painful lesion on the right posterior calf with MRI identifying a 5?cm lesion in the medial head of the gastrocnemius. He underwent wide local excision of the tumour, and the final pathology was consistent with atypical granular cell tumour. Three years later, he developed a recurrent right popliteal mass. Complete staging workup also identified multiple lung nodules and a caecal polyp that were consistent with metastatic granular cell tumour. He was started on pazopanib and deemed a poor candidate for palliative resection due to encasement of the popliteal vessels. The patient refused above-the-knee amputation (AKA) at that point and was evaluated for isolated limb infusion as an alternative. He received three cycles of isolated limb infusion within a 2-year period and achieved good response from the first two cycles. He underwent AKA 4 years after his diagnosis of malignant granular cell tumours and is currently doing well.
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Project description:In the last year, the armamentarium of melanoma therapeutics has radically changed. Recent discoveries in melanoma biology and immunology have led to novel therapeutics targeting known oncogenes and immunotherapeutic antibodies. Phase III clinical trials of these agents have reported measurable and meaningful benefits to patients with metastatic disease. In this article, we review recent findings and discuss their significance in melanoma therapy. As our understanding of melanoma biology grows, this initial therapeutic success may be enhanced through the use of molecular markers to select patients, and new targeted immunotherapies in sequential or combination drug regimens.
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Project description:Isolated limb infusion (ILI) with melphalan (M-ILI) dosing corrected for ideal body weight (IBW) is a well-tolerated treatment for patients with in-transit melanoma with a 29% complete response rate. ADH-1 is a cyclic pentapeptide that disrupts N-cadherin adhesion complexes. In a preclinical animal model, systemic ADH-1 given with regional melphalan demonstrated synergistic antitumor activity, and in a phase I trial with M-ILI it had minimal toxicity.Patients with American Joint Committee on Cancer (AJCC) stage IIIB or IIIC extremity melanoma were treated with 4,000 mg of ADH-1, administered systemically on days 1 and 8, and with M-ILI corrected for IBW on day 1. Drug pharmacokinetics and N-cadherin immunohistochemical staining were performed on pretreatment tumor. The primary end point was response at 12 weeks determined by Response Evaluation Criteria in Solid Tumors (RECIST) criteria.In all, 45 patients were enrolled over 15 months at four institutions. In-field responses included 17 patients with complete responses (CRs; 38%), 10 with partial responses (22%), six with stable disease (13%), eight with progressive disease (18%), and four (9%) who were not evaluable. Median duration of in-field response among the 17 CRs was 5 months, and median time to in-field progression among 41 evaluable patients was 4.6 months (95% CI, 4.0 to 7.1 months). N-cadherin was detected in 20 (69%) of 29 tumor samples. Grade 4 toxicities included creatinine phosphokinase increase (four patients), arterial injury (one), neutropenia (one), and pneumonitis (one).To the best of our knowledge, this phase II trial is the first prospective multicenter ILI trial and the first to incorporate a targeted agent in an attempt to augment antitumor responses to regional chemotherapy. Although targeting N-cadherin may improve melanoma sensitivity to chemotherapy, no difference in response to treatment was seen in this study.
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Project description:BackgroundIsolated limb infusion (ILI) is a minimally invasive procedure for delivering high-dose chemotherapy to extremities affected by locally advanced or in-transit melanoma. This study compared the outcomes of melanoma patients treated with ILI in the United States of America (USA) and Australia (AUS).MethodsPatients with locally recurrent in-transit melanoma treated with ILI at USA or AUS centers between 1992 and 2018 were identified. Demographic and clinicopathologic characteristics were collected. Primary outcomes of treatment response, in-field progression-free survival (IPFS), distant progression-free survival (DPFS), and overall survival (OS) were evaluated by the Kaplan-Meier method. Multivariable analysis evaluated whether availability of new systemic therapies affected outcomes.ResultsMore ILIs were performed in AUS (n = 411, 60 %) than in the USA (n = 276, 40 %). In AUS, more ILIs were performed for stage 3B disease than in the USA (62 % vs 46 %; p < 0.001). The reported complete response rates were similar (AUS 30 % vs USA 29 %). Among the stage 3B patients, AUS patients had better IPFS (p = 0.001), whereas DPFS and OS were similar between the two countries. Among the stage 3C patients, the USA patients had better OS (p < 0.001), whereas IPFS and DPFS were similar. Availability of new systemic therapies did not affect IPFS or DPFS in either country. However, the USA patients who received ILI after ipilimumab approval in 2011 had significantly improved OS (hazard ratio, 0.62; p = 0.013).ConclusionsAUS patients were treated at an earlier disease stage than the USA patients with better IPFS for stage 3B disease. The USA patients treated after the availability of new systemic therapies had a better OS.
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Project description:Hyperthermic isolated limb perfusion with melphalan (M-ILP) is a treatment option for melanoma patients with metastases confined to the limbs. This study aimed at defining the role of cellular immunity for the clinical response to M-ILP in melanoma patients. It was observed that patients with enhanced cytotoxic CD8+ T cell reactivity to common antigens (HCMV/EBV/influenza virus) prior to M-ILP were more likely to achieve a complete disappearance of macroscopic tumors (complete response). Following M-ILP treatment, the proportions of CD16+ intermediate and non-classical monocytes in peripheral blood were significantly enhanced along with induction of HLA-DR on CD4+ and CD8+ T cells. For further studies of the mechanism behind melphalan-induced immune activation an in vitro model, aiming at mimicking the clinical M-ILP protocol, was established, where PBMCs were co-cultured with melanoma cells, which had been pre-exposed to melphalan under mild hyperthermia. Upon exposure to melphalan, melanoma cells showed increased expression of immune-related markers including MHC class I and Hsp70. Moreover, when the melphalan-treated melanoma cells were co-cultured with PBMCs, this triggered an increased proportion of CD33+CD14+CD16++ non-classical monocytes among the PBMCs. Furthermore, the melphalan-treated melanoma cells stimulated the expansion of CD8+ T cells in the co-cultured PBMCs. These cells produced enhanced levels of IFN-γ and granzyme B and were capable of killing melanoma cells. To further verify an immunogenic role of melphalan, mice were vaccinated with melphalan-exposed murine melanoma cells. When challenged with live melanoma cells, vaccinated mice showed reduced tumor growth and enhanced infiltration of tumor-specific T cells into tumors. We conclude that melphalan-exposed melanoma cells trigger expansion of CD16+ monocytes and activate cytotoxic T cells and that these events may contribute to the antitumoral efficacy of M-ILP.
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