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Related Concept Videos

Tumor Immunotherapy01:27

Tumor Immunotherapy

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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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Adoptive cell transfer therapy for melanoma.

Takashi Inozume1

  • 1Department of Dermatology, Graduate School of Medicine, Chiba University, Chiba, Japan.

Experimental Dermatology
|November 16, 2022
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Summary

Adoptive cell transfer (ACT) using tumor-infiltrating lymphocytes (TILs) shows promise for melanoma treatment, achieving durable responses in some patients. Ongoing research aims to improve efficacy and simplify this advanced cancer immunotherapy.

Keywords:
adoptive cell transferimmune checkpoint inhibitormelanomamutated antigenneoantigentumor-infiltrating lymphocyte

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Area of Science:

  • Oncology
  • Immunology
  • Cell Therapy

Background:

  • Adoptive cell transfer (ACT) with tumor-infiltrating lymphocytes (TILs) is a highly effective cancer immunotherapy for melanoma.
  • While successful in approximately 20% of patients, achieving durable complete responses, its complex procedure limits widespread adoption.

Purpose of the Study:

  • To review the historical development of TIL therapy for melanoma.
  • To discuss efforts made to enhance the efficacy and simplify the protocol of TIL therapy.
  • To highlight key findings from translational research using clinical samples from durable responders.

Main Methods:

  • Review of historical data and published literature on TIL therapy for melanoma.
  • Analysis of modifications aimed at improving TIL therapy protocols.
  • Examination of translational research findings from durable responders.

Main Results:

  • Significant advancements have led to a simplified and effective current TIL therapy protocol.
  • This improved protocol has facilitated broader implementation across institutions and countries.
  • Translational research is identifying critical factors for future cancer immunotherapies.

Conclusions:

  • TIL therapy represents a successful, albeit complex, immunotherapy for melanoma.
  • Continuous research and protocol simplification are crucial for expanding its clinical application.
  • Insights from TIL therapy are vital for developing next-generation cancer immune treatments.