Real-World Patient-Reported Outcomes After Initiation of Adjuvant Ribociclib Plus Endocrine Therapy in Early HR+/HER2− Breast Cancer: A Multicentre Prospective Observational Study in Croatia (PRO-QoL-Cro) First published 11/09/2026 Last updated 11/09/2026 EU PAS number:EUPAS1000001116 Study Planned