Dose Escalation Study of LEE011 in Combination With Buparlisib and Letrozole in HR+, HER2-negative Post-menopausal Women With Advanced Breast Cancer.



Status:Completed
Conditions:Breast Cancer, Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:7/25/2018
Start Date:June 27, 2014
End Date:October 26, 2016

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A Phase 1 Dose Escalation Study of LEE011 in Combination With Buparlisib and Letrozole for the Treatment of HR+, HER2-negative Post-menopausal Women With Locally Advanced or Metastatic Breast Cancer.

This is a multi-center, open-label, non-randomized, phase I study


Inclusion Criteria:

1. Women with advanced (recurrent or metastatic) breast cancer who received no prior
therapy for advanced disease.

2. Patient is postmenopausal.

3. Patient may have received ≤ 2 lines of chemotherapy for metastatic or recurrent breast
cancer in the dose-escalation phase.

4. Patient has a histologically and/or cytologically confirmed diagnosis of
estrogen-receptor positive and/or progesterone receptor positive breast cancer by
local laboratory.

5. Patient has HER2-negative breast cancer defined as a negative in situ hybridization
test or an IHC status of 0, 1+ or 2+. If IHC is 2+, a negative in situ hybridization
(FISH, CISH, or SISH) test is required by local laboratory testing.

6. Patient must have either:

- Measurable disease, i.e., at least one measurable lesion as per RECIST 1.1
criteria or at least one predominantly lytic bone lesion

Exclusion Criteria:

1. Patient who received any CDK4/6 or PI3K inhibitor.

2. Patient has active cardiac disease or a history of cardiac dysfunction including any
of the following:

- History of angina pectoris, symptomatic pericarditis, or myocardial infarction
within 12 months prior to study entry

- History of documented congestive heart failure (New York Heart Association
functional classification III-IV)

- Documented cardiomyopathy

- Patient has a Left Ventricular Ejection Fraction (LVEF) < 50% as determined by
Multiple Gated acquisition (MUGA) scan or echocardiogram (ECHO)

- History of any cardiac arrhythmias, e.g., ventricular, supraventricular, nodal
arrhythmias, or conduction abnormality in the previous 12 months.

- On screening, any of the following cardiac parameters: bradycardia (heart rate <
50 at rest), tachycardia (heart rate > 90 at rest), PR interval > 220 msec, QRS
interval >109 msec, or QTcF >450 msec.

Systolic blood pressure >160 or <90 mmHg

3. Patient is currently receiving any of the following medications:

- That are known strong inducers or inhibitors of CYP3A4.

- That have a known risk to prolong the QT interval or induce Torsades de Pointes.

- That have a narrow therapeutic window and are predominantly metabolized through
CYP3A4.

4. Certain scores on an anxiety and depression mood questionnaires
We found this trial at
6
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Charleston, South Carolina 29425
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Lafayette, Indiana 47905
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Los Angeles, California 90095
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