7096 results for "canc*"

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• Genomic and immune signatures predict clinical outcome in newly diagnosed multiple myeloma treated with immunotherapy regimens

  Study EGAS00001007404

• Ontario Institute for Cancer Research; Biliary Tract Cancer

  Next Generation Sequencing data from Biliary Tract cancers

  Study EGAS50000000972

• WGS data from MTB-Guided Targeted Treatments paper

  WGS data from biliary tract cancer samples (Beaudry et al, 2025; n=55)

  Dataset EGAD50000001418

• Whole Exome Sequencing of Human Gastro-esophageal Cancer PDXs

  The current study investigates biomarkers of response to anti-EGFR therapies in gastro-esophageal cancer. Whole exome sequencing was performed on 26 tumors to explore potential factors influencing treatment outcomes. As part of the analysis, somatic mutations in EGFR, ERBB2, and key downstream signaling genes (KRAS and PIK3CA) were examined to exclude the presence of known mutations conferring sensitivity/resistance. The study aims to contribute to the identification of patients who may benefit from lower-toxicity regimens, improving treatment personalization and minimizing adverse effects.

  Study EGAS50000000966

• Plasma ctDNA is a tumor tissue surrogate and enables clinical-genomic stratification of metastatic bladder cancer

  Study EGAS00001004615

• Study assessing the efficacy and safety of durvalumab plus olaparib plus fulvestrant in selected metastatic or locally advanced ER-positive, HER2-negative breast cancer patients.

  This study aims to evaluate the efficacy of the combination of olaparib, durvalumab, and fulvestrant for the treatment of patients with ER-positive, HER2-negative, locally advanced or metastatic breast cancer with BRCA gene alterations or alterations of genes involved in HRR or MSI status, in terms of the progression-free survival rate (PFSR) at 24 weeks.

  Study EGAS50000001166

• Mutational signatures in normal tissues of patients treated with clinical stage G-quadruplex binder CX5461

  Drug induced photoreactions following exposure to UVA have been documented for several therapeutic compound classes, including psoralens and fluoroquinolones. CX5461, a quinolone-derived small molecule currently in phase 1 studies for cancer treatment, has been shown to be a clinically significant UV photosensitizer. Here we examined the mutagenic spectrum of CX5461 in normal tissues of patients undergoing treatment, by comparing deep whole genome sequencing (WGS) from skin biopsies taken from non-sun exposed areas pre and post drug exposure of patients in the Canadian Cancer Clinical Trials Group (CCTG) IND.231 trial (NCT02719977). We show that a low burden of SNVs (<100) and indels (<40) mutations was detected in post CX5461 skin biopsies, with a pattern resembling background or sequencing artefact signatures. To further characterize the mutational pattern of CX5461 photoreactivity, we compared mutational profiles of human retinal pigment epithelial cells exposed to UVA, CX5461, or a combination of both UV and CX5461. Treatment with CX5461 or UVA alone, resulted in a low SNV burden. In contrast, human cells exposed to UVA and CX5461 had a two to four orders higher mutational burden, with a distinct mutational pattern characterized by T>A, T>C mutations, dissimilar to that of UV alone or CX5461 alone. Our results suggest that human exposure to CX5461 alone is not associated with high levels of single base mutagenesis. However, CX5461 is a very potent UV photosensitizer, underscoring the need for adequate UV screening and controls when studying the effects of photosensitizing small molecules on single base DNA variation.

  Study EGAS50000001145

• ctDNA multigenic panel for non-small cell lung cancer

  Detection of actionable mutations in liquid biopsies constitute an important tool for management of non-small cell lung cancer (NSCLC) patients in the era of oncology precision medicine. We aimed to evaluate the actionable alterations using a commercial multi-gene panel in circulating tumor DNA (ctDNA) derived from plasma samples of treatment naïve and prior-treated non-small cell lung cancer (NSCLC) patients. For this, we analyze plasma samples of 30 subjects with non-small cell lung cancer.

  Study EGAS50000000643

• Re-evaluation of human mitochondrial DNA methylation reveals signals consistent with technical artifacts

  The existence and functional relevance of mitochondrial DNA (mtDNA) methylation remain controversial. We assessed 5mC and 5hmC in human brain, blood, and related cancers using both enzymatic and native DNA sequencing. While nuclear DNA exhibited expected methylation patterns, mtDNA consistently showed negligible methylation levels, indistinguishable from technical noise. Elevated methylation in nuclear-embedded mitochondrial sequences demonstrates a clear potential to confound mtDNA methylation measurements. Furthermore, technical discrepancies in mtDNA methylation were observed, underscoring the need for careful evaluation when interpreting data generated using earlier sequencing workflows. Our findings provide evidence against the presence of 5mC or 5hmC in mtDNA under the physiological and pathological conditions studied.

  Study EGAS50000001186

• Dataset of Study assessing the efficacy and safety of durvalumab plus olaparib plus fulvestrant in selected metastatic or locally advanced ER-positive, HER2-negative breast cancer patients.

  This dataset is made of 166 samples extracted from 1) FFPE blocks of the most recent biopsy (metastasis when applicable or primary tumor) of the breast tumor 2) Plasma samples and blood samples at baseline, at Day 1 Cycle2, Day 1 Cycle 3 and at progression or treatment discontinuation. Target sequencing has been perfomed using GREAT_A_v3 panel

  Dataset EGAD50000001665