The main results are shown in the table. Table: 404P Responses according to RECIST v1.1 Conclusions In patients with refractory HR+/HER2- MBC who have previously received chemotherapy and endocrine therapy, continuous dosing of single-agent birociclib exhibited promising and sustaining clinical activity with manageable toxicities, thus it provides an alternative orally single-agent therapy.
In patients who have limited treatment options with refractory HR+/HER2- metastatic breast cancer, continuous dosing of single-agent Birociclib exhibited promising and sustaining clinical activity with acceptable safety profile, thus it provided an alternative orally administered therapy option. Clinical trial information: NCT04539496.