Waltham, Massachusetts 02451


Purpose:

The purpose of this study is to evaluate the safety, tolerability and preliminary efficacy of elacestrant (RAD1901) in patients with advanced ER+, HER2-negative breast cancer.


Study summary:

The primary objective is to determine the maximum tolerated dose (MTD) and/or recommended Phase 2 dose (RP2D) of elacestrant in patients with advanced ER+HER2-negative breast cancer. The secondary objectives of this study are: - To assess the safety and tolerability of elacestrant - To evaluate the pharmacokinetics (PK) of elacestrant - To evaluate the preliminary anti-tumor effect of elacestrant


Criteria:

Key Inclusion Criteria: 1. Patients must be post-menopausal women, as defined in the protocol 2. 18 years or older 3. Patients with histological or cytological proven diagnosis of adenocarcinoma of the breast with evidence of either locally advanced, inoperable and/or metastatic disease 4. Part A, B, C: Patients must have received no more than 2 prior chemotherapeutic regimens and at least 6 months of prior endocrine therapy 5. Part D: Patients may have received up to 1 previous line of chemotherapy and must have previously received 2 or more lines of endocrine therapy for advanced/metastatic breast cancer as a single agent or in combination. Patients must have received fulvestrant as one of the previous lines of endocrine therapy and have had documented progression while on, or within 1 month after the end of, fulvestrant therapy for advanced/metastatic breast cancer. Patients must have received prior treatment with a CDK4/6 inhibitor Note: This list is not complete. Further inclusion criteria is provided in the protocol synopsis. Key Exclusion Criteria: 1. Prior anticancer or investigational drug treatment within the following windows: 1. Tamoxifen therapy less than 14 days before first dose of study treatment 2. Part A, B and C: Fulvestrant therapy less than 90 days before first dose of study treatment. Part D: Fulvestrant therapy less than 42 days before first dose of study treatment 3. Any other anti-cancer endocrine therapy less than 14 days before first dose of study treatment 4. Any chemotherapy less than 28 days before first dose of study 5. Any investigational drug therapy less than 28 days or 3 half-lives (whichever is longer) prior to first dose of study treatment 2. Patients with untreated or symptomatic central nervous system (CNS) metastases 3. Patients with endometrial disorders, including evidence of endometrial hyperplasia, dysfunctional uterine bleeding or cysts Note: This list is not complete. Further exclusion criteria is provided in the protocol synopsis.


NCT ID:

NCT02338349


Primary Contact:

Janine McDermott
Phone: (617) 551-4078
Email: jmcdermott@radiuspharm.com


Backup Contact:

N/A


Location Contact:

Waltham, Massachusetts 02451
United States

Study Director

Site Status: Recruiting


Data Source: ClinicalTrials.gov

Date Processed: March 16, 2018

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