BACKGROUND:
The commercial determinants of health (CDoH) are major drivers of the global burden of disease (1), with the scale of the issue prompting the WHO to call for coordinated action (2). Despite growing global interest (3-6), practical frameworks and audit tools to help public health agencies and civil society organisations implement strategies to address CDoH remain limited and the process of developing such strategies is understudied. Importantly, much of the knowledge developed by experts in the field remains unpublished, including due to adverse industry responses (7,8) to research and advocacy. This workshop aims to support participants in reflecting together and sharing practical lessons that can shape more effective future action on CDoH.

METHODS:
Informed by ongoing work between researchers, public health agencies and civil society organisations, the workshop will use small group discussions to explore the following: - Practical tools attendees have used to address CDoH and how they have overcome barriers to action - Experiences of researchers, public health agencies and civil society groups working together to address the CDoH, including global north-south collaborations and reflections on what has facilitated and hindered progress - Organisational processes required to build consensus on how to address CDoH - The relevance and application of theories of corporate power to support action on CDoH - Strategies to help protect public health actors from industry interference when acting on CDoH

RESULTS:
Outcomes of the workshop will include a summary of findings (collated lessons learned) shared via the GCAN network and a set of agreed actions to promote future shared learning and strengthen cross-sector collaboration.

CONCLUSIONS:
Trusted spaces to reflect on lessons learned from prior and ongoing work are essential to support future research, public health and civil society collaboration. Sharing such learnings will support the implementation of more effective action on CDoH globally.