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Trastuzumab and RAD001 in Patients With Human Epidermal Growth Receptor 2 (HER-2) Overexpressing Breast Cancer
Sponsor: M.D. Anderson Cancer Center
Summary
Primary Objectives: 1. To identify the optimal dose and pharmacokinetics of RAD001 in combination with trastuzumab in a Phase I trial 2. To determine the efficacy of RAD001 plus trastuzumab in HER-2-overexpressing patients with resistance to trastuzumab-based therapy for metastatic breast cancer in a Phase II trial. 1. Trastuzumab resistance will be defined as the development of progressive disease after trastuzumab-based therapy for metastatic breast cancer. Patients who develop metastases while receiving adjuvant or neoadjuvant trastuzumab will be eligible. 2. Efficacy would be measured by the rate of objective response plus stable disease lasting 6 months (complete response (CR) + partial response (PR) + stable disease SD). Secondary objectives: 1. To determine the pharmacokinetics of RAD001 in combination with trastuzumab. In the phase II portion of the study, pharmacokinetic studies will be optional. 2. To determine the nature and degree of toxicity of RAD001 in combination with trastuzumab in this cohort of patients 3. To determine expression levels of total and phosphorylated mTOR and p70S6K-T389-P as well as relevant downstream signaling components (e.g., S6, 4E-BP1) in pre- and post- treatment tumor samples. 4. To correlate biomarker expression with response to therapy.
Official title: Phase I-II Study of Trastuzumab in Combination With RAD001 in Patients With HER-2 Overexpressing, PTEN-deficient Metastatic Breast Cancer Progressing on Trastuzumab-Based Therapy
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
40
Start Date
2006-04
Completion Date
2013-02
Last Updated
2026-07-02
Healthy Volunteers
No
Conditions
Interventions
Trastuzumab
Loading dose = 8 mg/kg daily; maintenance dose = 6 mg/kg once per 21 day cycle. If participant on trastuzumab at time of registration, loading dose deferred and received maintenance dose (6 mg/kg every 3 weeks). If the last trastuzumab dose was given 1 week (for participants receiving 2 mg/kg/week), or 3 weeks before registration (for participants receiving 6 mg/kg every 3 weeks), a loading dose (8 mg/kg) was given followed by maintenance dose.
RAD001
Starting dose 10 mg by mouth daily. Phase I dose finding from two dose levels of daily RAD001 (5 and 10 mg).
Locations (1)
UT MD Anderson Cancer Center
Houston, Texas, United States