I-SPY2 TRIAL RPPA data for ganitumab arm (and control arm)
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PROVIDER: PRJNA1271445 | ENA |
REPOSITORIES: ENA
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Project description:Pre-treatment specimens from patients treated on the I-SPY2 neoadjuvant breast cancer trial were studied to identify predictive biomarkers associated with response to the regimen of paclitaxel, an anti-type I IGF receptor (IGF-1R) antibody ganitumab, and metformin (PGM) followed by doxorubicin and cyclophosphamide (AC) compared to control therapy (paclitaxel followed by AC). This record contains protein/phosphoprotein data from pre-treatment laser capture microdissected (LCM) tumor biopsies for up to 162 key signaling proteins/phosphoproteins in cancer for 221 HER2-negative patients from 2 arms of the neoadjuvant I-SPY2 TRIAL (NCT01042379) for aggressive early stage breast cancer [119 Control; 102 Ganitumab]. This record also contains clinical data for these patients, including HR, and HER2 status, response (pCR or no pCR), and treatment arm. RPPA endpoints assayed are from hormone receptor (n=4), HER family (n=14), cell cycle/proliferation (n=20), immune (n=18), DNA repair deficiency (DDR; n=15), AKT/mTOR/PI3K (n=7), apoptosis/autophagy (n=10), IGF1R (n=6), TIE/ANG (n=4), growth/survival/metabolism (n=22) and RTK (n=19) and other pathways. For gene expresson data for these patients, see the GEO record/subseries GSE194040.
2025-07-30 | GSE298828 | GEO
Project description:The RPPA component of the I-SPY2-990 mRNA/RPPA Data Resource contains protein/phosphoprotein data from pre-treatment laser capture microdissected (LCM) tumor biopsies for 139 key signaling proteins/phosphoproteins in cancer for 736 patients from 8 arms of the neoadjuvant I-SPY2 TRIAL (NCT01042379) for aggressive early stage breast cancer [194 Control (Ctr); 63 veliparib/carboplatin (VC); 105 neratinib (N); 87 MK2206; 128 trebananib; 49 TDM1/pertuzumab(P); 43 H/P; and 67 pembrolizumab (pembro)]. This record also contains clinical data for these patients, including HR, HER2 and MP status, response (pCR or no pCR), and treatment arm. RPPA endpoints assayed are from hormone receptor (n=4), HER family (n=14), cell cycle/proliferation (n=20), immune (n=18), DNA repair deficiency (DDR; n=15), AKT/mTOR/PI3K (n=7), apoptosis/autophagy (n=10), IGF1R (n=6), TIE/ANG (n=4), growth/survival/metabolism (n=22) and RTK (n=19) pathways. For gene expresson data for all 736 patients with RPPA data, plus an additional 150 patients for a total 987 patients from 10 arms of I-SPY2 (mRNA component of the I-SPY2-990 Data Resource), see the companion GEO record/subseries GSE194040.
2022-05-25 | GSE196093 | GEO
Project description:The I-SPY2-990 mRNA/RPPA Data Resource contains gene expression and clinical data for 987 patients from 10 arms of the neoadjuvant I-SPY2 TRIAL for aggressive early stage breast cancer [210 Control (Ctr); 71 veliparib/carboplatin (VC); 114 neratinib (N); 93 MK2206; 106 ganitumab; 93 ganetespib; 134 trebananib; 52 TDM1/pertuzumab(P); 44 H/P; 69 pembrolizumab (pembro)]. All 987 patients have pretreatment full transcriptome expression data on over ~19,000 genes assayed on Agilent 44K. Clinical data includes HR, HER2 and MP status, response (pCR or no pCR), and treatment arm. The ISPY2-990 mRNA/RPPA Data Resource also includes normalized pre-treatment LCM-RPPA data for 139 key signaling proteins/phosphoproteins in cancer for 736 patients (see companion GEO record GSE196093 for data and details).
2022-05-25 | GSE194040 | GEO
Project description:The I-SPY2-990 mRNA/RPPA data resource contains gene expression, protein/phosphoprotein and clinical data for ~990 patients from the first 10 completed arms of the I-SPY 2 platform trial for aggressive, early stage breast cancer. Experimental treatments include pan-HER2 inhibitors and anti-HER2 agents, PARP inhibitor/DNA damaging agent combinations, an AKT inhibitor, immunotherapy, and ANG1/2, IGF1R and HSP90 inhibitors added to standard of care chemotherapy. All patients have pretreatment full transcriptome expression data on over ~19,000 genes assayed on Agilent 44K. 736 patients (all arms except ganitumab and ganetespib) have normalized LCM-RPPA data for 139 key signaling proteins/phosphoproteins in cancer. Clinical data includes HR, HER2 and MP status, response (pCR or no pCR), and treatment arm. This SuperSeries is composed of the mRNA and RPPA SubSeries listed below.
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Project description:I-SPY2-990 mRNA/RPPA Data Resource: RPPA component
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Project description:I-SPY2-990 mRNA/RPPA Data Resource
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Project description:I-SPY2-990 mRNA/RPPA Data Resource: mRNA component
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Project description:Gene expression profiling of invasive breast cancer events from the tamoxifen prevention trial validates low estrogen receptor mRNA level as the main determinant of tamoxifen resistance in estrogen receptor positive breast cancer. In NSABP Breast Cancer Prevention Trial (BCPT), tamoxifen reduced the incidence of estrogen receptor (ER) positive tumors but not estrogen receptor negative breast cancer. More importantly, only 69% of estrogen receptor positive tumors were prevented by tamoxifen. The ER positive tumors arising in tamoxifen arm provides an ideal clinical model for acquired tamoxifen resistance. Based on data from NSABP trial B14 which showed linear prediction of the degree of benefit from adjuvant tamoxifen by the levels of ESR1 mRNA coding for ER-alpha, we hypothesized a priori that level of ESR1 mRNA would be lower in ER positive tumors arising in tamoxifen arm compared to those in placebo arm of BCPT. Keywords: Gene expression profiling analysis Formalin fixed paraffin embedded tumor blocks with enough tumor tissue for RNA extraction were available from 108 cases (69 from placebo arm and 39 from tamoxifen arm) of the 264 that experienced invasive breast cancer (175 in placebo arm and 89 in tamoxifen arm) in BCPT before unblindings . Central ER immunohistochemistry identified 84 of them as ER positive (57 from placebo arm and 27 from tamoxifen arm). A novel protocol was developed and used to obtain microarray gene expression profiling from the degraded or fragmented RNA extracted from formalin fixed paraffin blocks.Hybridization intensity data were compiled using Partek Genomic Suite. After quantile normalization, genes with mean intensity below 500 were filtred out, which left 7743 probes with informative data. Data were log2 transformed for statistical analysis.
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