Dalpiciclib Combination With Fulvestrant and Compound Gossyfol Acetate Tablets in Women With CDK4/6 Inhibitor-refractory HR-positive HER-2 Negtive Metastatic Breast Cancer: a Phase 2 Clinical Trial.

Trial Title: Dalpiciclib Combination With Fulvestrant and Compound Gossyfol Acetate Tablets in Women With CDK4/6 Inhibitor-refractory HR-positive HER-2 Negtive Metastatic Breast Cancer: a Phase 2 Clinical Trial.

NCT ID: NCT06133088

Condition: Advanced HR-positive and HER2-negative Breast Cancer; CDK4/6 Inhibitor Treatment Failed

Conditions: Official terms:
Breast Neoplasms
Gossypol acetic acid
Gossypol

Study type: Interventional

Study phase: Phase 2

Overall status: Recruiting

Study design:

Allocation: N/A

Intervention model: Single Group Assignment

Primary purpose: Treatment

Masking: None (Open Label)

Intervention:

Intervention type: Drug
Intervention name: dalpiciclib; fluvestrant; compound gossypol acetate tablets
Description: Darcilie: 150mg orally for three weeks and stop for one week. Fluvestrant: 500mg every four weeks. A further 500mg dose two weeks after the first dose. Compound gossyrol acetate tablet: 20mg daily.
Arm group label: single arm

Summary: This is a single-arm, Phase II clinical study to explore the efficacy and safety of dalpiciclib combined with fluvestrant and compound gossypol acetate tablets in advanced HR-positive and HER2-negative breast cancer after CDK4/6 treatment failed.

Detailed description: Dalpiciclib: According to the standard dose, 150mg orally for three weeks and stop for one week. Fluvestrant: At the standard dose, 500mg once every four weeks. A further 500mg dose two weeks after the first dose. Compound gossypol acetate tablets: 20mg once a day.

Criteria for eligibility:
Criteria:
Inclusion Criteria: 1.Written informed consent. 2.Women aged 18 years or older. 3.Eastern Cooperative Oncology Group(ECOG) has a physical fitness score of 0 or 1. 4.Life expectancy is more than six months. 5.Diagnosed as HR-positive HER2-negative metastatic breast cancer. 6.There was at least one measurable lesion according to RECIST 1.1. 7.Failed in treating with CDK4/6 inhibitors combined with endocrine therapy at the metastatic stage. 8.Good organ function. 9.Fertile female patients must have a negative serum pregnancy test within seven days prior to study treatment and consent to effective contraceptive use for 180 days from screening to the last dose of study treatment. 10.Female patients must agree not to breastfeed during the study period or for 180 days after the last dose of study therapy. Exclusion Criteria: 1.Patients enrolled in any interventional clinical trial at the same time and received the investigational therapy ≤ four weeks prior to initiation of the regimen or at least five half-lives of the investigational drug. 2.Patients who had received radiation therapy with bone marrow coverage >20% within two weeks before the start of treatment, except for minor palliative radiation therapy more than one week before the first day of the study. 3.Patients with a visceral crisis, and requiring chemotherapy. 4.Patients allergic to dalpiciclib or compound gossyrol acetate tablets. 5.A history of platelet transfusion for chemotherapy-induced thrombocytopenia or prior cancer treatment (lasting > 4 weeks and associated with recent treatment) is known to result in ≥ grade 3 hematological toxicity. 6.The patient had any known history of myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML). 7.Patients have a severe, uncontrolled medical condition, a non-malignant systemic disease, or an active, uncontrolled infection. 8.Patients diagnosed, detected, or treated for another type of cancer within ≤2 years prior to beginning regimen therapy. Patients with brain metastases or pial metastases uncontrolled. 9.Patients have received an allogeneic bone marrow transplant or double umbilical cord blood transplant. 10.Patients cannot swallow oral medications. 11.Patients with gastrointestinal disorders that may interfere with the absorption of investigational drugs. 12.Patients have had systemic active autoimmune disease (i.e., disease modulators, corticosteroids, or immunosuppressants) within the past two years. 13.Patients with a history of human immunodeficiency virus, active-hepatitis -B or C. 14.Pregnant or nursing women. Fertile adults without effective contraceptive methods.

Gender: Female

Minimum age: 18 Years

Maximum age: N/A

Healthy volunteers: No

Locations:

Facility:
Name: zhejiangCH

Address:
City: Hangzhou
Zip: 310000
Country: China

Status: Recruiting

Contact:
Last name: Ying Xi Shao, doctor

Phone: 15824113524
Email: 15824113524@163.com

Investigator:
Last name: Ying Xi Shao, doctor
Email: Principal Investigator

Investigator:
Last name: Jia Xiao Wang, doctor
Email: Principal Investigator

Investigator:
Last name: Hong Xiao Fang, doctor
Email: Principal Investigator

Start date: August 1, 2023

Completion date: August 31, 2025

Lead sponsor:
Agency: Zhejiang Cancer Hospital
Agency class: Other

Source: Zhejiang Cancer Hospital

Record processing date: ClinicalTrials.gov processed this data on November 12, 2024

Source: ClinicalTrials.gov page: https://clinicaltrials.gov/ct2/show/NCT06133088