Combination of Letrozole, Everolimus and TRC105 in Postmenopausal Women With Hormone-Receptor Positive and Her2 Negative Breast Cancer

Breast Cancer Clinical Trial

Official title:
A Phase I/II Study of Preoperative (Neoadjuvant) Combination of Letrozole (Femara), Everolimus (Afinitor), and TRC105 in Postmenopausal Women With Newly Diagnosed Local or Locally Advanced Potentially Resectable Hormone-Receptor Positive and Her2 Negative Breast Cancer

Status Completed

Clinical Trial Summary

This study will test how well a new combination of three drugs (Letrozole, Everolimus, and TRC105) is tolerated and how well it works in Stage 2 and 3 breast cancer when given prior to definitive surgery. Letrozole blocks the estrogen receptor expressed by many breast cancers while everolimus blocks signals that drive cancer cells to grow. TRC105 is an investigational drug that blocks the formation and growth of blood vessels that feed the cancer and promote its growth. The goal of this study is to investigate the safety and efficacy of this multitargeted approach in breast cancer.

Clinical Trial Description

In postmenopausal women with hormone receptor-positive and Her2 negative non-metastatic breast cancer, downstaging or the achievement of a complete pathologic remission before definitive surgery has been associated with the lowest risk of recurrence of breast cancer. In order to achieve a better response in these patients in the preoperative setting, this study combines 3 potentially synergistic agents. Letrozole blocks the synthesis of estrogens and, in doing so, deprives the tumor from hormones which drive its growth. Everolimus is a drug that blocks growth factor signaling which is essential for tumor cells to maintain their growth and proliferation. Everolimus has already been shown to work very well in this subtype of breast cancer in the recurrent and metastatic setting. TRC105 is an investigational agent that prevents the formation and growth of new blood vessels that support tumors by providing oxygen and nutrients. The study has 2 components. First the investigators will determine the ideal in terms of tolerance combination of doses of the 3 agents. Once the ideal regimen is determined, more patients will be treated with the investigational combination. During this second stage, the investigators will get a preliminary idea of how effective the investigational therapy is. Further studies will need to be done to confirm the efficacy of the investigational combination. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02520063
Study type	Interventional
Source	University of Alabama at Birmingham
Contact
Status	Completed
Phase	Phase 1/Phase 2
Start date	February 1, 2016
Completion date	December 2022

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.