Clinical Oncology Society of Australia
Welcome
to COSA
COSA is the peak national body for all health professionals whose work involves the care of cancer patients.
Upcoming Events
VIEW EVENTS CALENDARBecome a member
Progress your career and knowledge, access up-to-date news and resources, save on conferences and educational resources.
Join TodayCollaborate and make a difference
Connect with leaders in cancer healthcare, drive advocacy and facilitate research to impact cancer care and control.
VIEW OUR GROUPS
Why become
a member?
COSA membership offers opportunities to connect, collaborate and contribute to improve cancer care
Become a Member
Discount registration at COSA’s Annual Scientific Meeting & other events

Online access to the Asia Pacific Journal of Clinical Oncology & many other publications

Greater impact when advocating for improvements in cancer care and control
Upcoming
events


18/06/2025 - 21/06/2025
CNSA & ICCN 2025 Congress
Cancer Nurses Society of Australia & International Society of Nurses Cancer Care
VIEW EVENT
19/06/2025 - 21/06/2025
2025 International Symposium on Late Complications after Childhood Cancer
Fred Hutch Cancer Center
VIEW EVENT
26/06/2025 - 28/06/2025
MASCC/ISOO 2025 Annual Meeting
Multinational Association of Supportive Care in Cancer (MASCC) and the International Society of Oral Oncology (ISOO)
VIEW EVENT
18/07/2025 - 20/07/2025
ESMO Targeted Anticancer Therapies Asia Congress
European Society for Medical Oncology
VIEW EVENT
20/07/2025 - 22/07/2025
ANZUP Annual Scientific Meeting 2025
Australian and New Zealand Urogenital and Prostate Cancer Trials Group
VIEW EVENT
Education
COSA supports the professional and educational needs of its members by designing, developing and delivering professional development activities. Examples of these include the ASM, Clinical Professional Days, the National Cancer Survivorship Conference and the development of Clinical Practice Guidelines.
Research
COSA facilitates research across the spectrum of cancer care through the ASM, COSA Groups and support for the Cancer Cooperative Trials Groups. COSA also publishes submissions and reports related to cancer research issues in Australia.
Advocacy
COSA is active in advocating for improvements in cancer care policy in Australia. COSA regularly makes submissions to government and other organisations on matters of significance to COSA members. COSA also releases reports and position statements developed by COSA members.
Collaboration
COSA works to enhance cancer care in Australia through the development of professional networks. COSA members with a common interest in a discipline, disease type or area of need form Groups to discuss issues and develop solutions to common problems in cancer care.
Join Australia's leading oncology community & make an impact
Become a COSA memberTwitter
@COSAoncology
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COSAoncology yesterday
Join COSA, the national multidisciplinary community for health care professionals working in cancer care. Interested? Here’s how to join: bit.ly/3hXsDLm
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COSAoncology yesterday
Did you know @UTS_CST members can join COSA at a discounted rate? Thank you for continuing your Affiliated organisation membership with COSA! bit.ly/3s5mOC6
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COSAoncology yesterday
Check your inbox for the June Nutrition Group eNews for member updates, journal articles, PD and more. If you're not subscribed, login to your COSA member account bit.ly/4cI0nc3 to update your preferences. COSA members can view the eNews online at bit.ly/4jxMgbq
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COSAoncology 2 days ago
Call nominations for the 2025 COSA Psycho-Oncology Awards recognising outstanding contributions to psycho-oncology from members of COSA and @POCOG1. Nominations close 30 June 2025 and the awards will be presented at COSA-IPOS 2025 in Adelaide in November. bit.ly/4i9Avrg
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COSAoncology 3 days ago
Thank you to @ANZCHOG for continuing to be an Affiliated member organisation with COSA. We look forward to continuing our collaboration to improve cancer care. You can find a list of all COSA organisation members on our website: bit.ly/44ns3Oq
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COSAoncology 3 days ago
We are pleased that @ALLGtrials continue to be an Affiliated member organisation with COSA, and look forward to our ongoing collaboration to improve cancer care and control. ALLG members can join COSA at a discounted rate. Join or renew here: cosa.org.au/membership/mem…
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COSAoncology 4 days ago
Time is running out to submit your abstract for inclusion in COSA-IPOS 2025! Submissions close Friday 6 June – no extensions! The joint meeting provides an international platform for sharing insights, highlighting innovation, influencing best practice. bit.ly/3XiOu6x
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COSAoncology 8 days ago
Thank you @anzgog for continuing your Affiliated organisation membership with COSA. Don’t forget, ANZGOG members can join COSA at a discounted rate. bit.ly/3s5mOC6
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COSAoncology 9 days ago
Our May member newsletter is out now. Check your inbox or log into your COSA account for the latest COSA news and updates including events, opportunities, awards and recognition, peer-reviewed journal articles and useful resources. bit.ly/4mypXFf
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COSAoncology 16 days ago
COSA Nutrition Group & Dietitians Australia Oncology Interest Group are hosting a free webinar, Tue 3 June, featuring four projects to enhance the nutritional status of patients undergoing treatment for various cancers. bit.ly/4dJqssp Register bit.ly/4kr6Laz
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