Browsing Clinical Studies by author "Valeri, Nicola"
Now showing items 1-20 of 27
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A phospho-proteomic study of cetuximab resistance in KRAS/NRAS/BRAFV600 wild-type colorectal cancer.
Georgiou, A; Stewart, A; Vlachogiannis, G; Pickard, L; Valeri, N; et al. (SPRINGER, 2021-08-30)PURPOSE: We hypothesised that plasticity in signal transduction may be a mechanism of drug resistance and tested this hypothesis in the setting of cetuximab resistance in patients with KRAS/NRAS/BRAFV600 wild-type colorectal ... -
A rectal cancer feasibility study with an embedded phase III trial design assessing magnetic resonance tumour regression grade (mrTRG) as a novel biomarker to stratify management by good and poor response to chemoradiotherapy (TRIGGER): study protocol for a randomised controlled trial.
Battersby, NJ; Dattani, M; Rao, S; Cunningham, D; Tait, D; et al. (BIOMED CENTRAL LTD, 2017-08-29)BACKGROUND: Pre-operative chemoradiotherapy (CRT) for MRI-defined, locally advanced rectal cancer is primarily intended to reduce local recurrence rates by downstaging tumours, enabling an improved likelihood of curative ... -
A seven-Gene Signature assay improves prognostic risk stratification of perioperative chemotherapy treated gastroesophageal cancer patients from the MAGIC trial.
Smyth, EC; Nyamundanda, G; Cunningham, D; Fontana, E; Ragulan, C; et al. (OXFORD UNIV PRESS, 2018-12-01)BACKGROUND: Following neoadjuvant chemotherapy for operable gastroesophageal cancer, lymph node metastasis is the only validated prognostic variable; however, within lymph node groups there is still heterogeneity with risk ... -
Ataxia Telangiectasia Mutated Protein Loss and Benefit From Oxaliplatin-based Chemotherapy in Colorectal Cancer.
Sundar, R; Miranda, S; Rodrigues, DN; Chénard-Poirier, M; Dolling, D; et al. (CIG MEDIA GROUP, LP, 2018-12-01)BACKGROUND: Loss of ataxia telangiectasia mutated (ATM), a key protein regulating DNA repair signaling, has been suggested to increase sensitivity to DNA damaging agents. We conducted a study analyzing the loss of ATM ... -
Combining Molecularly Targeted Agents: Is More Always Better?
Sundar, R; Valeri, N; Harrington, KJ; Yap, TA (AMER ASSOC CANCER RESEARCH, 2017-03-01)The concurrent targeting of critical nodes along key signaling pathways with molecularly targeted agents is a rational antitumor strategy, which has had varying degrees of success. Combinatorial challenges include overcoming ... -
DCE-MRI is more sensitive than IVIM-DWI for assessing anti-angiogenic treatment-induced changes in colorectal liver metastases.
Rata, M; Khan, K; Collins, DJ; Koh, D-M; Tunariu, N; et al. (BMC, 2021-12-19)BACKGROUND: Diffusion weighted imaging (DWI) with intravoxel incoherent motion (IVIM) modelling can inform on tissue perfusion without exogenous contrast administration. Dynamic-contrast-enhanced (DCE) MRI can also ... -
Diagnostic Accuracy and Safety of Coaxial System in Oncology Patients Treated in a Specialist Cancer Center With Prospective Validation Within Clinical Trial Data.
Khan, K; Gonzalez-Exposito, R; Cunningham, D; Koh, D-M; Woolston, A; et al. (FRONTIERS MEDIA SA, 2020-09-04)BACKGROUND: Image-guided tissue biopsies are critically important in the diagnosis and management of cancer patients. High-yield samples are also vital for biomarker and resistance mechanism discovery through molecular/genomic ... -
Effect of Pathologic Tumor Response and Nodal Status on Survival in the Medical Research Council Adjuvant Gastric Infusional Chemotherapy Trial.
Smyth, EC; Fassan, M; Cunningham, D; Allum, WH; Okines, AFC; et al. (AMER SOC CLINICAL ONCOLOGY, 2016-08-10)PURPOSE: The Medical Research Council Adjuvant Gastric Infusional Chemotherapy (MAGIC) trial established perioperative epirubicin, cisplatin, and fluorouracil chemotherapy as a standard of care for patients with resectable ... -
Efficacy and Cardiotoxic Safety Profile of Raltitrexed in Fluoropyrimidines-Pretreated or High-Risk Cardiac Patients With GI Malignancies: Large Single-Center Experience.
Khan, K; Rane, JK; Cunningham, D; Rao, S; Watkins, D; et al. (CIG MEDIA GROUP, LP, 2019-03-01)BACKGROUND: Gastrointestinal (GI) cancer patients may not be considered for therapy with fluoropyrimidines (FPs) because of previous cardiovascular (CV) toxicity or preexisting risk factors; such patients may benefit from ... -
EGFR amplification and outcome in a randomised phase III trial of chemotherapy alone or chemotherapy plus panitumumab for advanced gastro-oesophageal cancers.
Smyth, EC; Vlachogiannis, G; Hedayat, S; Harbery, A; Hulkki-Wilson, S; et al. (BMJ PUBLISHING GROUP, 2020-11-16)OBJECTIVE: Epidermal growth factor receptor (EGFR) inhibition may be effective in biomarker-selected populations of advanced gastro-oesophageal adenocarcinoma (aGEA) patients. Here, we tested the association between outcome ... -
Exploiting evolutionary steering to induce collateral drug sensitivity in cancer.
Acar, A; Nichol, D; Fernandez-Mateos, J; Cresswell, GD; Barozzi, I; et al. (NATURE PORTFOLIO, 2020-04-21)Drug resistance mediated by clonal evolution is arguably the biggest problem in cancer therapy today. However, evolving resistance to one drug may come at a cost of decreased fecundity or increased sensitivity to another ... -
Functional imaging and circulating biomarkers of response to regorafenib in treatment-refractory metastatic colorectal cancer patients in a prospective phase II study.
Khan, K; Rata, M; Cunningham, D; Koh, D-M; Tunariu, N; et al. (BMJ PUBLISHING GROUP, 2018-08-01)OBJECTIVE: Regorafenib demonstrated efficacy in patients with metastatic colorectal cancer (mCRC). Lack of predictive biomarkers, potential toxicities and cost-effectiveness concerns highlight the unmet need for better ... -
Individual Patient Data Meta-Analysis of the Value of Microsatellite Instability As a Biomarker in Gastric Cancer.
Pietrantonio, F; Miceli, R; Raimondi, A; Kim, YW; Kang, WK; et al. (LIPPINCOTT WILLIAMS & WILKINS, 2019-12-10)PURPOSE: In the CLASSIC and MAGIC trials, microsatellite instability (MSI)-high status was a favorable prognostic and potential negative predictive factor for neoadjuvant/adjuvant chemotherapy in resectable gastric cancer ... -
KRAS and BRAF mutations in circulating tumour DNA from locally advanced rectal cancer.
Sclafani, F; Chau, I; Cunningham, D; Hahne, JC; Vlachogiannis, G; et al. (NATURE PORTFOLIO, 2018-01-23)There are limited data on circulating, cell-free, tumour (ct)DNA analysis in locally advanced rectal cancer (LARC). Digital droplet (dd)PCR was used to investigate KRAS/BRAF mutations in ctDNA from baseline blood samples ... -
Longitudinal Liquid Biopsy and Mathematical Modeling of Clonal Evolution Forecast Time to Treatment Failure in the PROSPECT-C Phase II Colorectal Cancer Clinical Trial.
Khan, KH; Cunningham, D; Werner, B; Vlachogiannis, G; Spiteri, I; et al. (AMER ASSOC CANCER RESEARCH, 2018-08-30)Sequential profiling of plasma cell-free DNA (cfDNA) holds immense promise for early detection of patient progression. However, how to exploit the predictive power of cfDNA as a liquid biopsy in the clinic remains unclear. ... -
miR-31-3p Expression and Benefit from Anti-EGFR Inhibitors in Metastatic Colorectal Cancer Patients Enrolled in the Prospective Phase II PROSPECT-C Trial.
Anandappa, G; Lampis, A; Cunningham, D; Khan, KH; Kouvelakis, K; et al. (AMER ASSOC CANCER RESEARCH, 2019-07-01)PURPOSE: Anti-EGFR mAbs are effective in the treatment of metastatic colorectal cancer (mCRC) patients. RAS status and tumor location (sidedness) are predictive markers of patients' response to anti-EGFR mAbs. Recently, ... -
MIR21 Drives Resistance to Heat Shock Protein 90 Inhibition in Cholangiocarcinoma.
Lampis, A; Carotenuto, P; Vlachogiannis, G; Cascione, L; Hedayat, S; et al. (W B SAUNDERS CO-ELSEVIER INC, 2018-03-01)BACKGROUND & AIMS: Cholangiocarcinomas (CCA) are resistant to chemotherapy, so new therapeutic agents are needed. We performed a screen to identify small-molecule compounds that are active against CCAs. Levels of microRNA ... -
Mismatch Repair Deficiency, Microsatellite Instability, and Survival: An Exploratory Analysis of the Medical Research Council Adjuvant Gastric Infusional Chemotherapy (MAGIC) Trial.
Smyth, EC; Wotherspoon, A; Peckitt, C; Gonzalez, D; Hulkki-Wilson, S; et al. (AMER MEDICAL ASSOC, 2017-09-01)IMPORTANCE: Mismatch repair (MMR) deficiency (MMRD) and microsatellite instability (MSI) are prognostic for survival in many cancers and for resistance to fluoropyrimidines in early colon cancer. However, the effect of ... -
Modulation of Biliary Cancer Chemo-Resistance Through MicroRNA-Mediated Rewiring of the Expansion of CD133+ Cells.
Carotenuto, P; Hedayat, S; Fassan, M; Cardinale, V; Lampis, A; et al. (LIPPINCOTT WILLIAMS & WILKINS, 2020-09-10)BACKGROUND AND AIMS: Changes in single microRNA (miRNA) expression have been associated with chemo-resistance in biliary tract cancers (BTCs). However, a global assessment of the dynamic role of the microRNome has never ... -
Modulation of pancreatic cancer cell sensitivity to FOLFIRINOX through microRNA-mediated regulation of DNA damage.
Carotenuto, P; Amato, F; Lampis, A; Rae, C; Hedayat, S; et al. (NATURE PORTFOLIO, 2021-11-18)FOLFIRINOX, a combination of chemotherapy drugs (Fluorouracil, Oxaliplatin, Irinotecan -FOI), provides the best clinical benefit in pancreatic ductal adenocarcinoma (PDAC) patients. In this study we explore the role of ...