Expert Opinion on Biological Therapy

Our medical research library holds 5 studies published in Expert Opinion on Biological Therapy (2015–2021). Each entry links to the study's record on PubMed and, where there is one, to the publisher's page and a free full text. 5 have an abstract, the authors' own summary as PubMed records it: open "Abstract" to read it.

About the journal

• Publisher: Taylor & Francis
• Published: 2001 to the present, England
• Language: English
• ISSN: 1471-2598 (print), 1744-7682 (electronic)
• Its record in the NLM Catalog

2020s

• Mesothelin-targeted CAR-T cell therapy for solid tumors. A. Klampatsa, V. Dimou, S.M. Albelda. 2021;21(4):473-486. Review PubMed · Publisher

  Abstract

  Introduction: Mesothelin (MSLN) is a tumor differentiation antigen normally restricted to the body's mesothelial surfaces, but significantly overexpressed in a broad range of solid tumors. For this reason, MSLN has emerged as an important target for the development of novel immunotherapies. This review focuses on anti-MSLN chimeric antigen receptor (CAR) T cell immunotherapy approaches.Areas covered: A brief overview of MSLN as a therapeutic target and existing anti-MSLN antibody-based drugs and vaccines is provided. A detailed account of anti-MSLN CAR-T cell approaches utilized in preclinical models is presented. Finally, a comprehensive summary of currently ongoing and completed anti-MSLN CAR-T cell clinical trials is discussed.Expert opinion: Initial trials using anti-MSLN CAR-T cells have been safe, but efficacy has been limited. Employing regional routes of delivery, introducing novel modifications leading to enhanced tumor infiltration and persistence, and improved safety profiles and combining anti-MSLN CAR-T cells with standard therapies, could render them more efficacious in the treatment of solid malignancies.

• Novel mesothelin antibody-drug conjugates: current evidence and future role in the treatment of ovarian cancer. D. Mauricio, J. Harold, J.R. Tymon-Rosario, et al. 2021;21(8):1087-1096. Review PubMed · Publisher

  Abstract

  Introduction: Ovarian cancer is the deadliest gynecologic malignancy in the United States, and effective therapies for recurrent, advanced, and progressive disease are limited. Mesothelin is known to be expressed in ovarian cancers, and antibody-drug conjugates targeting mesothelin are a promising novel therapeutic agent.Areas Covered: This article reviews the currently available literature of anti-mesothelin antibody-drug conjugates as a novel treatment for ovarian cancer. Preclinical in vitro and in vivo data as well as clinical results are reviewed for each available agent. Additionally, adverse effects are covered.Expert Opinion: Anti-mesothelin antibody-drug conjugates and their combination with chemotherapeutic agents have undergone phase II trials with encouraging results and demonstrated favorable adverse effect profiles. Phase III data will be necessary to establish its role in ovarian cancer, particularly in recurrent, advanced, or progressive disease.

• Nivolumab for the treatment of unresectable pleural mesothelioma. K. Hotta, N. Fujimoto, T. Kozuki, et al. 2020;20(2):109-114. Review PubMed · Publisher

  Abstract

  Introduction: Platinum-based chemotherapy is the current first-line standard therapy for unresectable malignant pleural mesothelioma (MPM). Recently, immune-checkpoint inhibitors (ICI) have been intensively investigated as treatment options for this disease. Nivolumab, an anti-programmed cell death (PD)-1 agent, was one of the first drugs used and is representative of available ICIs.Areas covered: This review discusses previous relevant reports and current ongoing trials of nivolumab. The efficacy and safety of nivolumab have been investigated mostly in second-line or later treatment settings as both monotherapy and in combination with other ICIs. Particularly, nivolumab monotherapy yielded promising efficacy with an objective response rate of 29% and median overall survival of 17.3 months in salvage settings in the single-arm, Japanese phase 2 trial (MERIT). Notably, the study led to Japanese approval of nivolumab for unresectable recurrent MPM. Several trials with monotherapy or cotherapy with nivolumab have commenced, including randomized trials of nivolumab monotherapy vs. placebo in the salvage setting, and cotherapy with nivolumab and ipilimumab vs. the platinum doublet in the frontline setting.Expert opinion: Nivolumab seems like a reasonable option for unresectable, relapsed MPM despite the lack of randomized trial data. Ongoing pivotal trials will confirm its efficacy.

2010s

• Immune checkpoint inhibition for the treatment of mesothelioma. A.K. Nowak, A. McDonnell, A. Cook. 2019;19(7):697-706. Review PubMed · Publisher

  Abstract

  Introduction: Combination chemotherapy is currently standard care for advanced mesothelioma. Checkpoint blockade is a promising new treatment.

  Areas Covered: This review covers clinical use and biomarkers of checkpoint blockade. Medline search used keywords 'mesothelioma' combined with 'checkpoint blockade' OR 'PD-L1' OR 'PD1' OR 'anti-CTLA4'; the search terms AND 'clinical trial' or AND 'biomarker*' were added. Handsearching covered abstracts from relevant meetings from 2016 to 2018 and reference lists. Data informed a narrative review.

  Expert Opinion: Single agent anti-CTLA4 blockade is inactive in mesothelioma. Single agent PD-1 blockade as second or subsequent treatment gives 20-29% partial responses; no randomized comparisons against placebo or chemotherapy are available. Biomarkers of response have been difficult to identify. There is no consensus as to whether tumor PD-L1 expression predicts outcomes. Combination checkpoint inhibitors (CTLA4 and PD1 blockade) provide a small incremental increase in response rates and progression-free survival. Chemoimmunotherapy is the next frontier.

• Tremelimumab for the treatment of malignant mesothelioma. A. Guazzelli, M. Hussain, M. Krstic-Demonacos, et al. 2015;15(12):1819-29. Review PubMed · Publisher

  Abstract

  Introduction: Tremelimumab demonstrated therapeutic activity in different malignancies, including malignant pleural mesothelioma (MPM); however, continued research could improve the therapeutic index of this agent.

  Areas Covered: This review describes tremelimumab's clinical efficacy, administration and safety in patients affected with MPM and reports the state of the art clinical trials of tremelimumab. A literature search using the PubMed database was conducted using the search terms tremelimumab, MPM, current therapy, immune checkpoint blockage and cytotoxic T lymphocyte-associated antigen-4. Data was also obtained from meeting abstracts and clinical trial registries.

  Expert Opinion: The use of immunotherapy has been extended from melanoma to thoracic malignancies or lung cancer and MPM. The first clinical trials for MPM with drugs modulating immune checkpoints have been tested or are currently being tested with the first results now under critical consideration. Among these drugs, tremelimumab has been attracting attention as a potential new treatment for MPM. Nevertheless, even though clinical efficacy has been preliminarily demonstrated, the cost/benefit ratio of this drug for this neoplasm is yet to be ascertained.

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