The Asia-Oceania Particle Therapy Co-Operative Group

Building Bridges among Asia Oceania Countries,
Leading the Excellence in Particle Therapy


The mission of the

The mission of the Asia-Oceania Particle Therapy Cooperative Group (PTCOG-AO) is to provide the right and optimal particle therapy to patients in need and to ensure the continuous and responsible advancement of particle therapy as a treatment modality.

PTCOG-AO strives to achieve its mission by establishing and upholding common standards in particle therapy, thus ensuring the delivery of the highest quality therapy for the appropriate diseases.

Past Meetings

  • 62st Annual PTCOG Conference & 4th PTCOG-AO meeting

    Advancing Particle Therapy in Cancer Treatment

    10 -15 June, 2024

    National Cancer Center, Singapore

  • 4th Annual Apollo Proton Practicum 2024

    Improving Survival and Survivorship in Paediatric and CNS Tumours with Proton Beam Therapy

    10th-12th May, 2024

    Apollo Proton Cancer Center APCC, Chennai, India

  • PTCOG-AO2023

    Tomorrow will be better with particle therapy

    November 24 - 26, 2023

    Taoyuan, Taiwan

  • PTCOG-AO 2019


    December 6 - 8, 2019

    Cityplaza Osaka, Japan

Next Conferences

  • PTCOG-AO2026



    Apollo Proton Cancer Centre, Chennai, India

  • PTCOG-AO 2025

    Advancing Particle Therapy with Greater Precision & Image-Guidance

    7-9 Nov 2025

    HKSH Proton Therapy Centre, Hong Kong

  • PTCOG 63

    63st Annual PTCOG Conference

    12-17 May 2025

    Argentine Proton Therapy Center (CeArP) , Buenos Aires, Argentina

About Conferences