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A Phase II Multi-Institutional Study of Concurrent Radiotherapy, Palbociclib, and Hormone Therapy for Treatment of Bone Metastasis in Breast Cancer Patients

Status
Active
Cancer Type
Breast Cancer
Unknown Primary
Trial Phase
Phase II
Eligibility
18 Years and older, Male and Female
Study Type
Treatment
NCT ID
NCT03691493
Protocol IDs
Winship4472-18 (primary)
NCI-2018-02000
IRB00105944
Study Sponsor
Emory University Hospital / Winship Cancer Institute

Summary

This phase II trial studies how well radiation therapy given with standard care palbociclib and hormone therapy work in treating patients with breast cancer that has spread from one part of the body to the bone. Radiation therapy uses high energy x-rays to kill tumor cells and shrink tumors. Palbociclib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Antihormone therapy, such as fulvestrant, letrozole, anastrozole, exemestane, or tamoxifen, may lessen the amount of estrogen made by the body. Giving radiation therapy, palbociclib, and hormone therapy may work better in treating breast cancer patients with bone metastasis.

Objectives

PRIMARY OBJECTIVES:
I. To evaluate the response rate three months post conventionally fractionated radiotherapy, relative to baseline, for bone metastases in breast cancer patients receiving concurrent palbociclib and hormone therapy treatment.

SECONDARY OBJECTIVES:
I. To determine whether conventionally fractionated radiotherapy in combination with palbociclib and hormone therapy in breast cancer patients with bone metastases adversely increases the frequency and severity of palbociclib toxicities including grade 3 neutropenia.
II. To determine whether radiotherapy in combination with palbociclib in breast cancer patients with bone metastases adversely increases the frequency and severity of radiotherapy toxicities including neurological and bone injury.
III. To assess fatigue, quality of life, and depression before and after radiotherapy for bone metastases in metastatic breast cancer patients treated with palbociclib.
IV. To determine progression free survival (PFS) and overall survival (OS) in breast cancer patients treated with palbociclib and concurrent radiotherapy to bone metastases.
V. To evaluate the relationship between volume of irradiated bone and side effects of treatment, including leukopenia and neutropenia.

TRANSLATIONAL RESEARCH OBJECTIVES:
I. To collect, store, and analyze circulating tumor-derived deoxyribonucleic acid (ctDNA) in metastatic breast cancer patients treated with palbociclib and radiotherapy to bone metastases and to determine the relationship between ctDNA and responders versus non-responders, PFS, and OS.
II. To collect, store, and analyze plasma for inflammatory cytokine measurements and determine their relationship with fatigue, depression, and quality of life before and after radiotherapy for bone metastases in metastatic breast cancer patients treated with palbociclib.
III. To collect, store, and analyze ribonucleic acid (RNA) for gene expression to identify functional biology processes over-represented in genes differentially regulated among patients who develop toxicities versus those who do not and those who are responders versus those who are not and to identify transcriptional regulatory pathways driving observed differences in gene expression.

OUTLINE:
Patients undergo radiation therapy over 5-10 days and receive palbociclib orally (PO) once daily (QD) on days 1-21. At the discretion of treating physician, patients also receive letrozole, anastrozole, exemestane, or tamoxifen PO QD on days 1-28, or fulvestrant intramuscularly (IM) on days 1 and 15 of course 1 and on day 1 of subsequent courses. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up at 1 and 3 months.

Treatment Sites in Georgia

Atlanta Cancer Care - Alpharetta


3400 C Old Milton Parkway
Suite 400
Alpharetta, GA 30005
770-777-1315
www.atlantacancercare.com

Atlanta Cancer Care - Conyers


1498 Klondike Road
Suite 106
Conyers, GA 30094
404-303-3355
www.atlantacancercare.com

Atlanta Cancer Care - Cumming


1505 Northside Boulevard
Suite 4600
Cumming, GA 30041
770-205-5292 x1041
www.atlantacancercare.com

Atlanta Cancer Care - Decatur


2545 Lawrenceville Highway
Suite 300
Decatur, GA 30033
404-303-3355
www.atlantacancercare.com

Atlanta Cancer Care - Stockbridge


7813 Spivey Station Boulevard
Suite 210
Jonesboro, GA 30236
678 466-2069
www.atlantacancercare.com

Atlanta Cancer Care - Tower


5670 Peachtree Dunwoody Road
Suite 1100
Atlanta, GA 30342
404-303-3355
www.atlantacancercare.com

Atlanta Gynecologic Oncology


980 Johnson Ferry Road
Suite 900
Atlanta, GA 30342
404-303-3355
www.geraldfeuer.com

Georgia Cancer Center for Excellence at Grady


80 Jesse Hill Jr. Drive, SE
Atlanta, GA 30303
404-489-9000
www.gradyhealth.org

Georgia Cancer Specialists - Athens


125 King Avenue
Suite 200
Athens, GA 30606
www.gacancer.com

Georgia Cancer Specialists - Canton


228 Riverstone Drive
Canton, GA 30114
www.gacancer.com

Georgia Cancer Specialists - CenterPointe


1100 Johnson Ferry Road
Suite 600
Sandy Springs, GA 30342
404-256-4777 ext 9242
www.gacancer.com

Georgia Cancer Specialists - Kennestone


790 Church Street
Suite 335
Marietta, GA 30060
www.gacancer.com

Georgia Cancer Specialists - Macon-Coliseum


308 Coliseum Drive
Suite 120
Macon, GA 31217
478-745-6130 x8152
www.gacancer.com

Georgia Cancer Specialists - Stemmer


2712 Lawrenceville Highway
Decatur, GA 30033
770-496-5555
www.gacancer.com

Georgia Gynecologic Oncology


980 Johnson Ferry Road
Suite 910
Atlanta, GA 30342
404-303-3355
www.ggo-atl.com/

Northside Hospital Cancer Institute


1000 Johnson Ferry Road NE
Atlanta, GA 30342
404-303-3355
www.northside.com

Northside Hospital Cancer Institute - Forsyth


1200 Northside Forsyth Drive
Suite 140
Cumming, GA 30041
404-303-3355
www.northside.com

University Gynecologic Oncology


960 Johnson Ferry Road
Suite 130
Atlanta, GA 30342
404-303-3355
www.ugynonc.com

**Clinical trials are research studies that involve people. These studies test new ways to prevent, detect, diagnose, or treat diseases. People who take part in cancer clinical trials have an opportunity to contribute to scientists’ knowledge about cancer and to help in the development of improved cancer treatments. They also receive state-of-the-art care from cancer experts... Click here to learn more about clinical trials.
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Advancing Cancer Care through Partnerships and Innovation

Georgia CORE is a statewide nonprofitthat leverages partnerships and innovation to attract more clinical trials, increase research, and promote education and early detection to improve cancer care for Georgians in rural, urban, and suburban communities across the state.