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Your journey
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More info
You can access this
clinical trial
if you have
Breast Cancer
and you are
over 18
years old
1
2
This is a medium phase trial determining
the safety and dosage of the new treatment, as well as its efficacy.
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The purpose

This study is based upon the following points: 1. Resistance to trastuzumab, either primary or secondary, is a clinically relevant issue. 2. PI3K/AKT activation, due to loss of expression/function of PTEN and/or activating mutations of PIK3CA, is a mechanism of resistance with clinical relevance in breast cancer. Such activation can be detected by: - IHC evaluation of PTEN protein expression - genotyping of PIK3CA exon 9 and 20 - IHC evaluation of phospho-AKT expression 3. BKM120 is an effective PI3K inhibitor. BKM120 and anti-HER2 therapy may have a synergistic antitumor activity in preclinical model of HER2+ breast cancer. 4. Lapatinib is an effective anti-HER2 therapy in trastuzumab-resistant disease. 5. For the evaluation of novel targeted therapies, selecting a patient population enriched for activation of the target to be modulated should allow to maximize the differences in clinical outcome that are expected in the experimental arm, and thus to minimize the patient number to include. 6. We propose to test in a phase I/II study the combination of lapatinib and BKM120 in trastuzumab-resistant HER2+ MBC patients, enriched for activation of PI3K/AKT as detected by loss of expression of PTEN (IHC), and/or mutation of PIK3CA and/or overexpression of phospho-AKT (IHC). Only for phase II patients, mutational status will be an inclusion criteria. For phase I patients molecular status will be a retrospective exploratory analysis.

Provided treatments

  • Drug: BKM120 + lapatinib

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01589861. The sponsor of the trial is Institut Paoli-Calmettes and it is looking for 106 volunteers for the current phase.
Official trial title:
A Phase Ib/II Open-label Study Evaluating Safety and Efficacy of Oral BKM120 in Combination With Lapatinib in HER2+/PI3K-activated, Trastuzumab-resistant Locally Advanced, Recurrent and Metastatic Breast Cancer. PIKHER2/IPC 2011-001