NCT05578053 Efficacy and Safety of Dalpiciclib in Hormone Receptor-positive Advanced Breast Cancer

Eligibility & Interventions

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What to Expect as a Participant

This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.

This trial targets 420 participants in total. It began in 2024-09-13 with a primary completion date of 2028-12-01.

Brief Summary

This study is a multi-center, observational, real-world study. We planned to recruit 420 HR+ locally advanced or metastatic breast cancer patients who had received or had not received prior systemic therapy. All patients included in the analysis were receiving or planning to receive dalpiciclib-containing regimens without restrictions, completely following the physician 's clinical choice, to assess the efficacy and safety of dalpiciclib-containing regimens.

Eligibility Criteria

Inclusion Criteria: 1. age ≥ 18 years, postmenopausal or premenopausal female or male patients, female patients must meet one of the following: a) previous bilateral oophorectomy, or age ≥ 60 years; b) age \< 60, natural postmenopausal status (defined as spontaneous cessation of regular menstruation for at least 12 consecutive months without other pathological or physiological causes), E2 and FSH at postmenopausal levels; c) premenopausal or perimenopausal female patients can also be enrolled, but must be willing to receive LHRH agonist therapy during the study; 2. pathological examination confirmed HR-positive male/female breast cancer patients, with evidence of focal recurrence or metastasis, not suitable for surgical resection or radiation therapy with the purpose of cure; 3. Eastern Cooperative Oncology Group (ECOG) performance status score of 0-2; 4. Serum pregnancy test must be performed within 28 days before enrollment in women of childbearing age and the result is negative,And male/female patients are willing to use a medically recognized highly effective contraceptive during the study and within 1 year after the last dose of study drug; 5. non-pregnant or non-lactating female patients； 6. do not participate in other ongoing studies at the same time ； 7. agreed by the patient himself or her legal representative and have signed an informed consent form, willing and able to comply with scheduled visits, study treatment plan, laboratory tests and other trial procedures. Exclusion Criteria: 1. any evidence of serious or uncontrolled systemic disease, including uncontrolled hypertension, active bleeding disorders, active infections, including hepatitis B, C, and human immunodeficiency virus, or severely impaired bone marrow reserve or organ function, including liver and kidney damage, which, in the opinion of the investigator, would greatly alter the balance of wind benefit/risk. 2. at the time of initiation of dalpiciclib treatment, the patient has not recovered from any CTCAE grade ≥ 3 toxicity caused by previous treatment 3. known history of hypersensitivity to dalpiciclib or excipients or drugs with similar chemical structure to dalpiciclib 4. patients who are considered unsuitable for inclusion by the investigator.

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