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Updated: May 10, 2026

Experimental Melanoma Immunotherapy Model Using Tumor Vaccination with a Hematopoietic Cytokine
Published on: February 24, 2023
[Recent clinical trials of tumor immunotherapy]
1University of Yamanashi, Department of Dermatology.
Abstract:
Many recent clinical trials of immunotherapy for advanced tumors have reported remarkable results. For example, blockade of cytotoxic T-lymphocyte antigen 4 (CTLA-4) significantly improved median overall survival of melanoma patients. Blockade of programmed cell death 1 (PD-1) or programmed cell death 1 ligand 1 (PD-L1) induced durable tumor regression and prolonged disease stabilization in patients with advanced cancers, including melanoma, non-small-cell lung cancer, and renal cell cancer. In addition, adoptive cell transfer of tumor infiltrating lymphocytes (TILs) and T cells transduced with high avidity T cell receptor (TCR) genes have been reported to elicit marked durable tumor regression in melanoma patients. Further, clinical trials of cancer vaccines targeting various tumors have been conducted to prolong overall survival. In this review, some remarkable results achieved in recent clinical trials are summarized.
Insights
Immunotherapy clinical trials show significant progress in treating advanced cancers. Treatments like CTLA-4 blockade and PD-1/PD-L1 inhibition improve survival and induce tumor regression in various cancers.
Area of Science:
- Oncology
- Immunology
- Clinical Research
Context:
- Recent advancements in cancer immunotherapy have yielded promising clinical outcomes.
- Immunotherapy strategies are being explored for various advanced solid tumors.
Purpose:
- To review and summarize the remarkable results from recent clinical trials in cancer immunotherapy.
- To highlight the efficacy of different immunotherapy approaches in treating advanced cancers.
Summary:
- Blockade of cytotoxic T-lymphocyte antigen 4 (CTLA-4) has significantly improved overall survival in melanoma patients.
- Programmed cell death 1 (PD-1) or programmed cell death 1 ligand 1 (PD-L1) blockade has led to durable tumor regression and disease stabilization in advanced melanoma, non-small-cell lung cancer, and renal cell cancer.
- Adoptive cell transfer (ACT) using tumor-infiltrating lymphocytes (TILs) and T cell receptor (TCR) engineered T cells has shown efficacy in melanoma.
- Cancer vaccines targeting various tumors are under investigation to prolong overall survival.
Impact:
- These findings underscore the growing potential of immunotherapy in oncology.
- The summarized results provide insights into effective treatment strategies for advanced cancers.
- This review highlights the transformative impact of immunotherapy on patient outcomes.
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