Fig. 1

Conceptual framework. Framework of the delivery of nutrition intervention for participants who are randomised to the intervention. Dietitian completes an initial nutrition assessment over the phone. The dietitian identifies and prioritises issues to be addressed e.g. psycho-social, nutrition impact symptoms, nutrition optimisation and/or pharmacological support. Goals are set, then supporting behaviour change techniques are employed taken from the Behaviour Change Technique Taxonomy V1 (BCTTV1) [37]. At each weekly/fortnightly nutrition consultation goals are reviewed and strategies negotiated to promote achievement of goals. The effectiveness of the intervention will be assessed through the outcome measures of health-related quality of life (HRQoL). nutritional status and survival