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Updated: May 13, 2026

Generation and Expansion of Primary, Malignant Pleural Mesothelioma Tumor Lines
Published on: April 21, 2022
A potential therapeutic strategy for malignant mesothelioma with gene medicine
Yuji Tada1, Hideaki Shimada, Kenzo Hiroshima
1Department of Respirology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8670, Japan.
Abstract:
Malignant mesothelioma, closely linked with occupational asbestos exposure, is relatively rare in the frequency, but the patient numbers are going to increase in the next few decades all over the world. The current treatment modalities are not effective in terms of the overall survival and the quality of life. Mesothelioma mainly develops in the thoracic cavity and infrequently metastasizes to extrapleural organs. A local treatment can thereby be beneficial to the patients, and gene therapy with an intrapleural administration of vectors is one of the potential therapeutics. Preclinical studies demonstrated the efficacy of gene medicine for mesothelioma, and clinical trials with adenovirus vectors showed the safety of an intrapleural injection and a possible involvement of antitumor immune responses. Nevertheless, low transduction efficiency remains the main hurdle that hinders further clinical applications. Moreover, rapid generation of antivector antibody also inhibits transgene expressions. In this paper, we review the current status of preclinical and clinical gene therapy for malignant mesothelioma and discuss potential clinical directions of gene medicine in terms of a combinatory use with anticancer agents and with immunotherapy.
Insights
Gene therapy shows promise for malignant mesothelioma treatment, offering a localized approach. Overcoming challenges like low efficiency and immune response is key for future clinical success.
Area of Science:
- Oncology
- Gene Therapy
- Immunology
Background:
- Malignant mesothelioma, linked to asbestos exposure, presents a growing global health challenge.
- Current treatments offer limited efficacy for survival and quality of life.
- Localized treatments, like gene therapy, are being explored for thoracic mesothelioma.
Purpose of the Study:
- To review the current status of preclinical and clinical gene therapy for malignant mesothelioma.
- To discuss future clinical directions for gene medicine in mesothelioma treatment.
Main Methods:
- Review of preclinical studies on gene medicine for mesothelioma.
- Analysis of clinical trials using adenovirus vectors for intrapleural administration.
- Examination of challenges including transduction efficiency and anti-vector antibody generation.
Main Results:
- Preclinical studies indicate gene therapy's efficacy for mesothelioma.
- Clinical trials demonstrate the safety of intrapleural vector injection and potential antitumor immune responses.
- Low transduction efficiency and rapid anti-vector antibody generation are significant hurdles.
Conclusions:
- Gene therapy, particularly with intrapleural vector administration, is a potential therapeutic strategy for malignant mesothelioma.
- Combinatorial approaches using gene medicine with anticancer agents or immunotherapy may enhance clinical outcomes.
- Further research is needed to overcome current limitations for broader clinical application.
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