Olpe

This non-interventional study aims to provide information on real-world effectiveness, safety and tolerability, management of adverse events, QoL and patient compliance of patients with HR+/HER2- early breast cancer at high risk of recurrence treated with ribociclib in combination with an aromatase inhibitor (AI) ± luteinizing hormone-releasing hormone (LHRH) with curative intent according to the current effective local summary of product characteristics. In order to put the results of patients treated with ribociclib into perspective, socio-economic data, data on QoL and patient compliance will also be collected from patients treated with abemaciclib + endocrine therapy (ET) ± LHRH as described in the current effective local summary of product characteristics. To understand reasons for treatment decision, and to analyze the clinical adoption of ribociclib + AI ± LHRH after EU approval over time, baseline data will be collected from cohorts of ribociclib + AI ± LHRH, abemaciclib + ET ± LHRH, and additionally from patients treated with ET monotherapy ± LHRH and analyzed cross-sectionally. The study is planned to be rolled out into a broad set of German and Austrian breast centers and gynecological practices to describe clinical routine in a representative subset of the local healthcare eco-system. It will gather insights into the potential benefits and risks associated with ribociclib + AI ± LHRH in the adjuvant treatment of HR+/HER2- eBC patients at high risk of recurrence. This knowledge will inform about clinical decision-making and contribute to improved patient outcomes in routine practice.

Evaluation of remission status will take place 4 months after treatment. In addition, it will be tested whether patients with non-optimal response will have a benefit from a second cycle of cladribine. Non-optimal response is: patients with detectable residual disease; achievement of partial remission or detectable residual infiltration in the bone marrow.