Aims: Fear of cancer progression (FOP) is a significant unmet need amongst patients with advanced cancer. We previously developed a clinician-delivered intervention to help early-breast cancer patients manage fear of cancer recurrence (FCR) (Clinician Intervention to Reduce Fear of Recurrence (CIFeR)(1),(2). Here we aimed to adapt CIFeR to address FOP in patients with advanced cancer irrespective of tumour type.
Method: Initial multidisciplinary panel representing medical oncology, radiation oncology and psych-oncology reviewed and adapted the original CIFeR intervention to address fear of cancer progression in advanced cancer of any tumour type. This included changes in terminology and the addition of a step addressing scanxiety to the original CIFeR intervention.
Participating clinicians were recruited March to August 2025 through professional organisations. Clinicians completed semi-structured cognitive ‘think-aloud’ interviews via video-conference. Interviews were recorded and transcribed. Data was thematically analysed using a framework approach. Adaptations were systematically mapped using the Framework for Reporting Adaptations and Modifications-Enhanced (FRAME), documenting what was modified, why, and at what level (content, format, process, delivery).
Results: Interviews with 20 clinicians (eight medical oncologists/trainees, eight radiation oncologists/trainees, four palliative care physicians) were completed. Interviews identified overall acceptability of the intervention structure. FRAME mapping produced adaptations of CIFeR across the intervention steps, specifically: Normalisation of fear of progression, guidance on prognosis and uncertainty discussion according to patients’ preferences, individualised guidance about symptoms warranting clinical review, provision of strategies to self-manage worry, scanxiety discussion and referral to psycho-oncology. Suggestions around barriers and facilitators for the delivery of intervention were also identified.
Conclusion: CIFeR was systematically adapted to address fear of cancer progression in advanced cancer across tumour types. Feasibility testing with patients is required to assess acceptability and delivery fidelity. Subsequently intervention efficacy should be evaluated.