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A Phase II Neoadjuvant Study of Palbociclib in Combination with Letrozole and Trastuzumab as Neoadjuvant Treatment of Stage II-III ER+ HER2+ Breast Cancer (PALTAN)

ABSTRACT: A Phase II Neoadjuvant Study of Palbociclib in Combination with Letrozole and Trastuzumab as Neoadjuvant Treatment of Stage II-III ER+ HER2+ Breast Cancer (PALTAN)

PROVIDER: PRJNA909912 | ENA |

REPOSITORIES: ENA

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A Phase II Neoadjuvant Study of Palbociclib in Combination with Letrozole and Trastuzumab as Neoadjuvant Treatment of Stage II-III ER+ HER2+ Breast Cancer (PALTAN)

Project description:A Phase II Neoadjuvant Study of Palbociclib in Combination with Letrozole and Trastuzumab as Neoadjuvant Treatment of Stage II-III ER+ HER2+ Breast Cancer (PALTAN)

| PRJNA909911 | ENA

Gene expression profiling of primary HER2-positive breast cancers treated with neoadjuvant trastuzumab

Project description:Trastuzumab, a humanized monoclonal antibody directed to the HER2 protein, is the standard-of-care treatment for patients with HER2 positive breast cancer, reducing the risk of relapse and death in patients. Nonetheless, some patients do not benefit from this treatment, underscoring the need to identify patients for whom chemotherapy + trastuzumab is adequate versus patients requiring additional drugs. The series comprised 24 incisional biopsies of breast carcinomas derived from patients that received neoadjuvant trastuzumab based therapy. Gene expression profiling was performed using RNA from frozen core biopsies from 24 patients with primary HER2-positive (HER2+) tumors treated with neoadjuvant chemotherapy and trastuzumab.

2016-03-31 | E-GEOD-62327 | biostudies-arrayexpress

A Phase II Randomized Trial of Neoadjuvant Trastuzumab or Lapatinib or the Combination of Trastuzumab and Lapatinib, Followed by Docetaxel and Carboplatin with Trastuzumab and/or Lapatinib in Patients with HER2+ Breast Cancer [treatments]

Project description:Adjuvant docetaxel, carboplatin, and trastuzumab (TCH) is a standard regimen for HER2+ breast cancer. Dual HER2-blockade with lapatinib (L) and trastuzumab demonstrated significant activity in the metastatic and neoadjuvant settings. This study evaluates neoadjuvant TC plus trastuzumab (H) and/or lapatinib (L). This study demonstrated a similar pCR rate with TCH and TCHL and a lower rate of pCR with TCL. Treatment-related toxicity limited the ability for participants to receive protocol-specified chemotherapy and HER2-targeted therapy in the TCHL Arm.

2019-05-08 | GSE130787 | GEO

2019-05-08 | GSE130786 | GEO

Neoadjuvant Trastuzumab Response in Breast Cancer

Project description:Neoadjuvant Trastuzumab Response in Breast Cancer

| PRJNA371665 | ENA

HER2-enriched tumor initiating cell (HTIC) genomic predictor of response following neoadjuvant trastuzumab-based chemotherapy in HER2+ breast cancer

Project description:We identified a 17-gene Her2-enriched tumor initiating cell (HTIC) signature in MMTV-Her2/Neu mouse mammary TICs. Here, we show that patients with HTICS+ HER2+:ERα− tumors are more likely to achieve a pathologic complete response to trastuzumab-based neoadjuvant chemotherapy compared with HER2+:ER+ tumors. Neoadjuvant study of 50 HER2-positive breast cancer cases treated with trastuzumab-based chemotherapy pre-operatively. Pre-treatment FNA from primary tumors were obtained and RNA extracted and hybridized to Affymetrix microarrays according to manufacturer protocol. Pathologic response was assessed at the end of neoadjuvant treatment.

2012-05-11 | E-GEOD-37946 | biostudies-arrayexpress

Gene expression profiling of primary HER2-positive breast cancers treated with neoadjuvant trastuzumab

2016-03-31 | GSE62327 | GEO

Gene expression profiling of primary HER2-positive breast cancers treated with neoadjuvant trastuzumab

Project description:Trastuzumab, a humanized monoclonal antibody directed to the HER2 protein, is the standard-of-care treatment for patients with HER2 positive breast cancer, reducing the risk of relapse and death in patients. Nonetheless, some patients do not benefit from this treatment, underscoring the need to identify patients for whom chemotherapy + trastuzumab is adequate versus patients requiring additional drugs. The series comprised 18 incisional biopsies of breast carcinomas derived from patients that received neoadjuvant trastuzumab based therapy.

2021-12-31 | GSE149283 | GEO

Primary ER-positive Breast Cancer Treated with Neoadjuvant Letrozole

Project description:Primary ER-positive Breast Cancer Treated with Neoadjuvant Letrozole

| PRJNA272564 | ENA

Neoadjuvant T-DM1/pertuzumab and paclitaxel/trastuzumab/pertuzumab for HER2-positive breast cancer in the adaptively randomized I-SPY2 trial.

Project description:Ado-trastuzumab emtansine plus pertuzumab (T-DM1/P) and paclitaxel plus trastuzumab and pertuzumab (THP) are two of the experimental regiments evaluated in I-SPY 2, a neoadjuvant platform trial for high risk, early stage breast cancer. In pre-defined analyses we assessed 10 biomarkers at the pre-treatment timepoint in the HER2, ER/PR, and proliferation pathways to test their association with pCR (complete pathologic response).

2021-08-24 | GSE181574 | GEO

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