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Cancer Vaccines01:30

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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
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Tumor Immunotherapy01:27

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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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Combination Therapies and Personalized Medicine02:50

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Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
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  1. Home
  3. Neoantigen Landscape Supports Feasibility Of Personalized Cancer Vaccine For Follicular Lymphoma.
  1. Home
  3. Neoantigen Landscape Supports Feasibility Of Personalized Cancer Vaccine For Follicular Lymphoma.

Related Experiment Video

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Neoantigen landscape supports feasibility of personalized cancer vaccine for follicular lymphoma.

Cody A Ramirez1,2, Michelle Becker-Hapak1, Kartik Singhal1,2

  • 1Department of Medicine, Washington University School of Medicine, St. Louis, MO.

Blood Advances
|May 7, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

Personalized cancer vaccines targeting neoantigens show promise for follicular lymphoma (FL). This study demonstrates the feasibility of using combined genomic sequencing to identify neoantigens for personalized vaccine development in FL patients.

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Area of Science:

  • Oncology
  • Immunology
  • Genomics

Background:

  • Personalized cancer vaccines targeting neoantigens are a novel therapeutic approach.
  • Follicular lymphoma (FL) treatment can benefit from innovative strategies.
  • Previous vaccine approaches faced challenges that may be overcome by neoantigen-based methods.

Purpose of the Study:

  • To engineer polyvalent vaccines for personalized follicular lymphoma (FL) treatment.
  • To discover neoantigens using combined whole-exome sequencing (WES) and RNA sequencing (RNA-seq).
  • To evaluate the feasibility and safety of personalized neoantigen vaccination in a pilot clinical trial.

Main Methods:

  • Whole-exome sequencing (WES) and RNA sequencing (RNA-seq) were performed on 58 FL tumor samples.
  • Somatic and B-cell clonotype neoantigens were predicted and filtered for high-quality candidates.
  • A pilot clinical trial (#NCT03121677) administered personalized neoantigen vaccines combined with PD-1 blockade.

    • Main Results:

    • An average of 52 somatic mutations per patient were identified.
    • A median of 15 high-quality neoantigens were predicted per FL sample.
    • Personalized neoantigen vaccines were successfully synthesized and administered, showing feasibility, safety, and potential responses.

    Conclusions:

    • Genomics-driven personalized cancer vaccine strategies are feasible for FL.
    • This approach may address previous challenges in cancer vaccine development.
    • The study suggests potential immunologic and clinical benefits in patients with relapsed or refractory FL.