Pembrolizumab, Endocrine Therapy, and Palbociclib in Treating Postmenopausal Patients With Newly Diagnosed Metastatic Stage IV Estrogen Receptor Positive Breast Cancer (NCT02778685)
Phase II Study of the Combination of Pembrolizumab, Letrozole, and Palbociclib in Postmenopausal Patients With Newly Diagnosed Metastatic Estrogen Receptor Positive Breast Cancer
🩺 Plain-English Summary (8th-Grade Level)
This phase II trial studies how well pembrolizumab works when given together with endocrine therapy and palbociclib in treating postmenopausal patients with newly diagnosed stage IV estrogen receptor positive breast cancer that has spread to other parts of the body (metastatic). Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Estrogen can cause the growth of breast cancer cells. Fulvestrant blocks the use of estrogen by the tumor cells. Letrozole lowers the amount of estrogen made by the body. This may help stop the growth of tumor cells that need estrogen to grow. Palbociclib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Giving pembrolizumab, palbociclib, and letrozole or fulvestrant may be an effective treatment for patients with stage IV estrogen receptor positive breast cancer.
Who can join: Review the eligibility criteria below.
Location: City of Hope Corona — Corona, California
Age range: 18 Years
🧪 Interventions in This Study
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (7 Sites)
- City of Hope Corona — Corona, California
- City of Hope Medical Center — Duarte, California
- City of Hope Antelope Valley — Lancaster, California
- City of Hope Mission Hills — Mission Hills, California
- City of Hope South Pasadena — South Pasadena, California
- City of Hope Upland — Upland, California
- City of Hope West Covina — West Covina, California
📞 Contact the Study Coordinator
Phone: (800) 826-4673
Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
Explore by condition: All Metastatic Breast Carcinoma clinical trials
💡 How to Participate
- Check the checklist above to see if you may qualify.
- Contact the study coordinator using the phone/email above.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.