N093B: Phase I/II Study of Panobinostat (LBH589) and Letrozole in Patients with Triple Negative Metastatic Breast Cancer
Study Status
Open to Enrollment
Study Description
This is a clinical trial for people with metastatic breast cancer that is considered “triple negative,” meaning breast cancer that does not express genes for estrogen receptor (ER), progesterone receptor (PR) or HER2.
The purpose of this study is to determine how well people with metastatic breast cancer respond to treatment with the experimental drug panobinostat (also called LBH589) when it is given with letrozole. The study will also evaluate the safety of panobinostat when combined with letrozole.
Panobinostat may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Estrogen can cause the growth of breast cancer cells. Hormone therapy using letrozole may fight breast cancer by lowering the amount of estrogen the body makes. Giving panobinostat together with letrozole may be an effective treatment for breast cancer.
Treatment cycles in this study are 28 days. Study participants will take panobinostat (as a tablet by mouth) once daily on Days 1, 3 and 5 in weeks 1-4 and oral letrozole once daily on days 1-28. Treatment cycles repeat every 28 days as long as participants are responding to treatment and tolerating the medications. After completing study therapy, participants will be followed up every 3 to 6 months for up to 5 years.
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Disease Status and/or Stage
Triple Negative Metastatic Breast Cancer
Sponsor
Cancer Trials Support Unit (CTSU)
Key Eligibility
- Men and women with metastatic breast cancer
- Cancer must be unresected (has not been removed by surgery)
- Women must be postmenopausal based on one of the following criteria:
- Age 60 or older
- Age 45 or older with last menstrual period ≥12 months before entering the study
- Bilateral oophorectomy (surgical removal of both ovaries)
- Men must be age 18 or older
- Prior therapy:
- Zero or 1 prior chemotherapy regimens for breast cancer (no more than 1 prior chemotherapy regimen)
- ≤2 prior aromatase inhibitor regimens (including letrozole)
- Detailed eligibility reviewed when you contact the study team
Principal Investigator
Contact
- Marta Cobham
- (212) 821-0780
- [email protected]
Protocol ID
N093B
Healthy Volunteers
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Contact Us
For general inquiries, or if you need assistance finding a study, please contact:
Erica Bersin
Tel: (646) 962-8232
[email protected]
