The Efficacy and Safety of CDK4/6 Inhibitors in Combination with Endocrine Therapy in the Neoadjuvant Treatment

Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorHongmei Zheng, PhD

About this trial

To explore the efficacy and safety of CDK4/6 inhibitors combined with endocrine neoadjuvant therapy for stage II-III HR-positive/HER2-negative breast cancer.

This study adopts a single-arm, open-label design, and plans to include 40 patients with stage II-III HR+/HER2- breast cancer.

Eligibility criteria

Qualifiers

Age ≥ 18 years old.

Premenopausal and postmenopausal stage II-III females or males (patients with multicenter and/or multifocal early-invasive breast cancer) if all histopathological examination of tumors meet the pathological criteria of ER and/or PR>10% and HER2- (HER2 expression 0 or 1+ or 2+ and negative FISH test).

Patients must have histologically confirmed ER and/or PR >10%, HER2-, early invasive breast cancer.

Intolerance or insensitivity to neoadjuvant chemotherapy: 2 cycles of neoadjuvant chemotherapy, tumor evaluation PD/SD, advanced age, and inability to tolerate chemotherapy with underlying diseases.

Disqualifiers

Prior treatment with any CDK inhibitor.

Inflammatory breast cancer or stage IV breast cancer or bilateral breast cancer.

History of anaphylaxis caused by chemical or biologic components similar to dalsily.

Patients who have received any drugs or substances with effective CYP3A isoenzyme inhibitors or inducers within 7 days of enrollment.

Trial design

Treatments tested in this trial

  • Ribociclib; abemaciclib; palbociclib; Dalpiciclib

Treatment groups

40 Participants
are divided into 1 treatment group

Locations

This trial has no locations

Sponsors and collaborators

Hongmei Zheng, PhD

Lead sponsor

Hubei Cancer Hospital

Sponsor institution