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Last updated: 2026-04-03

NEO Clinic Tokyo: Next-Generation Neoantigen Vaccines and AI Precision Oncology

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NEO Clinic Tokyo: Next-Generation Neoantigen Vaccines and AI Precision Oncology

NEO Clinic Tokyo: Next-Generation Neoantigen Vaccines and AI Precision Oncology

Medical Supporter — Information Notice

This article is a summary of international medical information and is not medical advice; it cannot replace the diagnosis or treatment plan of your attending physician. The medical technologies, drug information and clinical data presented here are compiled from public literature and official statements of Japanese medical institutions; the applicability and outcome of any therapy vary with each patient and must be assessed individually by a qualified physician.

Any specific treatment plan must be assessed by a licensed physician in Japan

In oncology, some patients consider precision medicine approaches alongside standard treatment. NEO Clinic Tokyo, located in the Shirokanedai district of Tokyo, is a clinic focused on individualized cancer care (self-pay), using bioinformatics to analyze the genetic profile of each patient's tumor.

Physicians: Dr. Hayashi and Dr. Hijikata

Treatment plans at the clinic are prepared by two physicians:

  1. Dr. Lim Lay Ah Young (Lim Lay Ah Young), Director: With a background in pathology and experience in international clinical trials, Dr. Hayashi oversees the clinic’s clinical operations and treatment planning.

  2. Dr. Yasuki Hijikata, Medical Advisor & Specialist: An alumnus of the Institute of Medical Science at the University of Tokyo (IMSUT) and Kyushu University Hospital, Dr. Hijikata works in cancer genomic medicine. According to the clinic, he advocates an evidence-based, integrative approach and uses genomic test results in consultations. Whether a treatment is suitable is determined by a physician on an individual basis.

Core Technology: Personalized Neoantigen Vaccines

Neoantigens are specific protein markers found exclusively on the surface of cancer cells—and they are unique to every individual patient.

  • NGS Genomic Mapping: Using Next-Generation Sequencing, the clinic scans over 20,000 genes to identify specific mutations.
  • AI-Driven Selection: AI models are used to analyze detected mutations and select candidate "neoantigens" that may induce a T-cell response.
  • Custom Vaccine Synthesis: A personalized vaccine is prepared from the selected antigens, with the aim of helping immune cells recognize cancer cells (based on research literature, for reference only; efficacy has not been established in Japan).

About Consultations at NEO Clinic Tokyo

  • Self-pay treatment: Neoantigen vaccine therapy is offered as self-pay (non-insured) treatment. Its efficacy has not been established, and whether it is suitable, including use alongside standard treatment, is determined by a physician on an individual basis.
  • Consultation support: The medical team works with Medical Supporter consultants to help international patients understand genomic test reports and treatment plans.

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