Effects of training oncology physicians advising patients on complementary and integrative therapies on patient-reported outcomes: 2-year follow-up of the multi-center, cluster-randomized KOKON-KTO study.

This study presents first findings that one-time-only CIM consultations may enhance patient-physican relationship and CIM disclosure long-term. To further support cancer patients' in their wish for CIM consultations, training programs should provide oncology physicians with CIM competencies for different cancer stages including cancer survivors.