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General Information
Program
Registration
Call for Abstracts
Access to the Venue
Conference Secretariat

General Information

Title of the Meeting

The 30th Annual Meeting of the Japanese Association of Cancer Immunology (JACI 2026)

Date

July 22 (Wed.) –July 24 (Fri.), 2026

Theme

“Cancer vs. Immunity – Unraveling the Dynamics of the Battle”

Venue

Kagawa International Conference Center / Sunport Hall Takamatsu

President

Norimitsu Kadowaki
Department of Hematology, Rheumatology, and Respiratory Medicine, Kagawa University Faculty of Medicine

Vice Presidents

Kensuke Kumamoto
Department of Genomic Medicine and Medical Genetics, Kagawa University Faculty of Medicine

Akihito Tsuji
Department of Clinical Oncology, Kagawa University Faculty of Medicine

Program

Special Lecture

July 23 (Thu.) 13:10-14:10
1st venue / Kagawa International Conference Hall, 6F, Tower Building

“Regulatory T cells for cancer immunotherapy”

Speaker: Shimon Sakaguchi
Immunology Frontier Research Center, The University of Osaka

Industry–Academia–Government Collaboration Symposium
“Efforts Toward the Development of Novel Therapies”

July 22 (Wed.) 15:10-18:10
1st venue / Kagawa International Conference Hall, 6F, Tower Building

“Development of universal off-the-shelf T cell medicine produced from ES/iPS cells for the treatment of leukemia and COVID-19”

Speakers: Hiroshi Kawamoto
Laboratory of Immunology, Institute for Life and Medical Sciences, Kyoto University/Laboratory of Regenerative Immunology, International Center for Cell and Gene Therapy, Fujita Health University

“Emerging cancer immunotherapy strategy using oncolytic viruses”

Speakers: Tomoki Todo
Institute of Medical Science, The University of Tokyo

“Development of an Immunotherapy Reprogramming Tumor-Associated Macrophages and Neutrophils”

Speakers: Wataru Akahata
VLP Therapeutics, Gaithersburg, MD

“A non-inflammatory cDC1-targeted activation platform for antigen-specific CTL induction: its application to pre-cancer vaccine models”

Speakers: Tsukasa Seya
Nebuta Research Institute for Life Sciences, Aomori University

“Multifaceted Cancer Immunotherapy Using Next-Generation Antibody Technologies: From Preclinical to Clinical”

Speakers: Mika Kamata-Sakurai
Chugai Pharmaceutical Co., Ltd. Project Planning & Coordination Department, Translational Research Division / Discovery Biologics Department, Research Division

“What is the Japan Agency for Medical Research and Development (AMED)?”

Speakers: Jumpei Sugiyama
Department of Regenerative Medicine and Cell and Gene Therapies,Japan Agency for Medical Research and Development (AMED)

“The Current Landscape and Future Challenges of Regulatory Review for Cancer Immunotherapy, Cell Therapy, and Gene Therapy”

Speakers: Daisaku Sato
The Ministry of Health, Labour and Welfare, Japan

Scientific Committee Organized Symposium
“Novel Spatial Tissue Analysis Contributing to Cancer Immunology”

July 23 (Thu.) 09:00-11:05
1st venue / Kagawa International Conference Hall, 6F, Tower Building

Chairs: Shin-ichiro Fujii
Laboratory for Immunotherapy, RIKEN Center for Integrative Medical Sciences (IMS)/RIKEN Program for Drug Discovery and Medical Technology Platforms (DMP)

Chairs: Michael T. Lotze
Department of Surgery, University of Pittsburgh, USA

“Spatiotemporal Control of Tumor-Reactive T Cells: Linking Clonal Supply and Intratumoral Expansion”

Speakers: Satoshi Ueha
Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute for Biomedical Sciences, Tokyo University of Science

“Spatiotemporal Coordination of NK Cells and CTLs Drives Remodeling of Poorly T Cell–Infiltrated Tumor Microenvironments”

Speakers: Shin-ichiro Fujii
Laboratory for Immunotherapy, RIKEN Center for Integrative Medical Sciences (IMS)/RIKEN Program for Drug Discovery and Medical Technology Platforms (DMP)

“Interplay with microenvironment provokes tumor formation in the kidney”

Speakers: Hiroyuki Mano
President, National Cancer Center Japan

“Signal 2 for TIL: Drug-enhanced TIL and CRISPR'd TIL”

Speakers: Michael T. Lotze
Department of Surgery, University of Pittsburgh, USA

Meet the chief editor

July 23 (Thu.) 11:10-12:00
1st venue / Kagawa International Conference Hall, 6F, Tower Building

Chair: Norimitsu Kadowaki
Department of Hematology, Rheumatology, and Respiratory Medicine, Kagawa University Faculty of Medicine

Speaker: Michael T. Lotze
Department of Surgery, University of Pittsburgh, USA

Special Symposium
“Regulatory T Cells and Cancer Immunology”

July 23 (Thu.) 14:20-16:25
1st venue / Kagawa International Conference Hall, 6F, Tower Building

“Tumor-Activated Tregs and CD74: Single-Cell Insights into Cancer Immunity”

Speakers: Eliane Piaggio
Research Director, INSERM U932 Immunity and Cancer, PSL University, Institut Curie Research Center, Paris, France

“Role of Th1-type Treg Cells in Tumor Immunity and Their Induction Mechanism in the Tumor Microenvironment”

Speakers: Masahiro Yamamoto
Department of Immunoparasitology, RIMD, The University of Osaka/Laboratory of Immunoparasitology, IFReC, The University of Osaka

“Regulatory T cells and dendritic cells in cancer immunology”

Speakers: Sayuri Yamazaki
Department of Immunology, Nagoya City University Graduate School of Medical Sciences

“Development of Next-Generation Cancer Immunotherapy Targeting Tregs”

Speakers: Yuka Maeda
Division of Cancer Immunology, Research Institute, National Cancer Center Japan

JACI–SITC Joint Symposium 1
“Overcoming the Immunosuppressive Environment in the Tumor Microenvironment”

July 24 (Fri.) 09:00-11:05
1st venue / Kagawa International Conference Hall, 6F, Tower Building

“From Brain to Cancer: Harnessing Serotonin and Antidepressants for Immunotherapy”

Speakers: Lili Yang
Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, USA

“Mitochondrial transfer in the tumor microenvironment”

Speakers: Yosuke Togashi
Advanced Research Field, Institute for Emerging Medical Innovation/Department of Tumor Microenvironment, Faculty of Medicine, Dentistry and Pharmaceutical Sciences (Medicine), Okayama University/Department of Respiratory Medicine, Okayama University Hospital

“Single cell analysis of tumor microenvironments in melanoma and sarcoma”

Speakers: Yoshihiko Hirohashi
Department of Pathology, Sapporo Medical University School of Medicine

“Emerging challenges and strategies to enhance immune checkpoint blockade and overcome resistance”

Speakers: Shohei Koyama
Department of Immunogenomic Medicine, Research Institute, National Cancer Center Japan/Department of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, The University of Osaka

JACI–SITC Joint Symposium 2
“Progress in genetically engineered T cell therapy”

July 24 (Fri.) 13:20-15:25
1st venue / Kagawa International Conference Hall, 6F, Tower Building

“Diverse roles of cytokine signaling in CAR-T cell therapy”

Speakers: Yuki Kagoya
Division of Tumor Immunology, Institute for Advanced Medical Research, Keio University School of Medicine

“Leveraging endogenous gene regulation to enable tumour-restricted armouring of CAR T cells with enhanced safety and efficacy”

Speakers: Kah Min Yap
Cancer Immunology Program, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia/Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville, Victoria, Australia

“Development of iPSC-derived immune cells for next-generation cancer immunotherapy”

Speakers: Shin Kaneko
Center for iPS cell Research and Application (CiRA), Kyoto University/Transborder Medical Research Center, University of Tsukuba

“iPSC-derived next-generation T cell therapy for refractory tumors”

Speakers: Miki Ando
Department of Hematology, Juntendo University School of Medicine, Tokyo, Japan

“Allogeneic iPSC-derived iNKT cells in recurrent head and neck cancer: a phase 1 trial”

Speakers: Shinichiro Motohashi
Department of Medical Immunology, Graduate School of Medicine, Chiba University

Luncheon Seminar 1
“Development of a 3D Cancer Model Utilizing iPS Cell-Derived Endothelial Cells for the Evaluation of Cancer Immunotherapy”

July 23 (Thu.) 12:10-13:00
1st venue / Kagawa International Conference Hall, 6F, Tower Building

Co-sponsored by Sartorius Japan K.K.

Chair: Shohei Shimonishi
Sartorius Japan K.K.

Speaker: Yuta Mishima
Department of Cancer Immunotherapy and Immunology, Institute of Medicine, University of Tsukuba

Luncheon Seminar 2
“Engineering CARs for T-cell malignances and solid tumors”

July 23 (Thu.) 12:10-13:00
2nd venue / Small Hall 2, 5F, Hall Building

Co-sponsored by PHC Corporation

Chair: Seitaro Terakura
Department of Hematology and Oncology, Nagoya University Graduate School of Medicine

Speaker: Keisuke Watanabe
Division of Cancer Immunology, National Cancer Center Japan

Luncheon Seminar 3
“Tuner: Tuning force for hematopoietic–immune homeostasis in lower-risk MDS”

July 24 (Fri.) 12:20-13:10
1st venue / Kagawa International Conference Hall, 6F, Tower Building

Co-sponsored by Bristol-Myers Squibb Company

Chair: Ken-ichi Matsuoka
Department of Hematology, Endocrinology and Metabolism, Tokushima University Graduate School of Biomedical Sciences

Speaker: Tomoki Ito
First Department of Internal Medicine, Kansai Medical University

Luncheon Seminar 4
“Mechanism of action of Tislelizumab and principles of neoantigen-driven immune response expansion”

July 24 (Fri.) 12:10-13:00
2nd venue / Small Hall 2, 5F, Hall Building

Co-sponsored by BeOne Medicines

Chair: Akihito Tsuji
Department of Clinical Oncology, Kagawa University Faculty of Medicine

Speaker: Kenji Chamoto
Division of Cancer Immune Regulation, Center for Cancer Immunotherapy and Immunobiology (CCII), Kyoto University Graduate School of Medicine

Evening Seminar
“Strategic CAR-T cell therapy based on cancer immunotherapy”

July 23 (Thu.) 16:30-17:20
1st venue / Kagawa International Conference Hall, 6F, Tower Building

Co-sponsored by Gilead Sciences, Inc.

Chair: Norimitsu Kadowaki
Department of Hematology, Rheumatology, and Respiratory Medicine, Kagawa University Faculty of Medicine

Speaker: Toshiki Ochi
Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine/Division of Immune Regulation, Proteo-Science Center, Ehime University

Excellent Presentation Award for General Topics

July 24 (Fri.) 11:10-12:10
1st venue / Kagawa International Conference Hall, 6F, Tower Building

Young Research Encouragement Award Session 1

July 23 (Thu.) 9:00-10:00
2nd venue / Small Hall 2, 5F, Hall Building

Young Research Encouragement Award Session 2

July 23 (Thu.) 10:00-11:00
2nd venue / Small Hall 2, 5F, Hall Building

Oral Session 1
“Antitumor effector cells 1”

July 23 (Thu.) 14:20-15:10
2nd venue / Small Hall 2, 5F, Hall Building

Oral Session 2
“Antitumor effector cells 2”

July 23 (Thu.) 15:15-16:05
2nd venue / Small Hall 2, 5F, Hall Building

Oral Session 3
“Tumor microenvironment and immune escape”

July 24 (Fri.) 9:00-9:50
2nd venue / Small Hall 2, 5F, Hall Building

Oral Session 4
“Antibody, vaccine, cell and gene therapies”

July 24 (Fri.) 9:55-10:55
2nd venue / Small Hall 2, 5F, Hall Building

Poster Free Discussion

July 23 (Thu.) 17:30-18:20
Poster Session Venue / Exhibition Hall, 1F, Hall Building, Sunport Hall Takamatsu

Registration

Registration period

[Opens] Tuesday, June 3, 2026
[Closes] Friday, July 24, 2026 at 14:00

Registration fees

Registration fees are non-refundable under any circumstances once payment has been made. Please register carefully.
Please indicate whether you will attend the social gathering when completing registration. Changes cannot be made after submission.

Participant type	Conference fee
General – Member Tax-exempt	¥15,000
General – Non-member	¥18,000 (incl. 10% tax)
Graduate / Undergraduate student *	¥5,000 (incl. 10% tax)

* Students must email a scanned copy of their student ID or enrollment certificate to the secretariat at jaci2026@med-gakkai.com.

Social gathering

[Date & time] Thursday, July 23, 2026 from 19:00
[Venue] Sunport Hall Takamatsu, 1F Exhibition Hall
[Fee] ¥5,000 (incl. 10% tax)
※Capacity is limited. Please indicate your attendance during registration.

On-site registration

The registration desk is expected to be busy on the day of the meeting. We strongly encourage advance online registration wherever possible.

Paying by credit card

Please register online via this website, even on the day of the meeting. On-site card terminals are not available.

Paying by cash

Please proceed directly to the general reception desk on the day of the meeting. Cash payment is accepted on-site.

Program & abstract book

Members of the Japan Society for Cancer Immunology and supporting corporate members will receive a copy at the general reception desk on the day of the meeting (members who have paid the previous year's membership fee).
Non-members, graduate students, and undergraduate students who wish to obtain the abstract book may purchase one on-site for ¥2,000 (incl. 10% tax). Quantities are limited.

Travel grant

Travel grants are not available for this meeting.

Payment methods

Credit card payment and domestic bank transfer are accepted. International bank transfers are not accepted.
Registration is only considered complete once payment is confirmed. Submitting the registration form alone does not constitute completion.

Credit card

Payment is complete immediately upon card authorization. A payment confirmation email will be sent automatically. Registration is complete at this point.

Domestic bank transfer

Transfer to the designated account listed in the notification email by Friday, July 10. Include your registration number and full name as the remitter. Transfer fees are the participant's responsibility. Confirmation may take up to one week.
If the remitter name differs from the registrant's name, please notify the secretariat. Registrations with no payment by the deadline will be cancelled.

How to register

Click the "Register Online" button at the bottom of this page.
Fill in the registration form as directed on-screen. Ensure all details are correct before proceeding.
After submitting the form, you will receive a notification email with your registration number and payment instructions. If you do not receive an email within 30 minutes, please contact the secretariat.
Complete payment by credit card or domestic bank transfer (by July 10 for bank transfer). Registration is finalized once payment is confirmed.

Certificate of attendance & receipt

The certificate of attendance (which also serves as a receipt) will be available for download from My Page (scheduled to open at the end of June). Please download and print it in advance, and bring the printed copy to the venue.

Changes and cancellations

Registration fees cannot be refunded for any reason, except in the event that the meeting is cancelled by the organizers. Changes to participant category after registration is complete are also not accepted.

Contact

JACI2026 Congress Secretariat:
MED Co., Ltd.
E-mail: jaci2026@med-gakkai.com

Call for Abstracts

Guidelines for Abstracts from Overseas

Abstracts must be written in English.
The abstract must be original and unpublished.
Abstract lengths are as below;
Abstract title: maximum of 30 words.
Abstract text: maximum of 300 words.
Number of authors’ institutions: A maximum 10 institutions is allowed.
Abstracts should include the following sections: Background, Methods, Results, and Conclusions.
The Program Committee reserves the right to make the final decision regarding acceptance.

Approval of IRB or ERB

When submitting an abstract containing clinical research, prior approval from the Institutional Review Board (IRB) or Ethical Review Board (ERB) is required.

Conflict of Interest Disclosure

Both the presenting author and corresponding author(s) are required to indicate COI disclosure statement at the time of presentations.

Submit abstract Here

To submit your abstract, download the submission form provided as a fillable word file. Abstract must be submitted as an attached Word file by e-mail (jaci2026@med-gakkai.com) no later than ~~March 18, 2026 at 12:00 noon.~~
March 25, 2026 at 12:00 noon.

Abstract Submission Form (docx)

Contact information