Patient-derived organoids model treatment response of metastatic gastrointestinal cancers

…, H Lote, Z Eltahir, EC Smyth, R Begum… - Science, 2018 - science.org
Patient-derived organoids (PDOs) have recently emerged as robust preclinical models;
however, their potential to predict clinical outcomes in patients has remained unclear. We report …

Longitudinal liquid biopsy and mathematical modeling of clonal evolution forecast time to treatment failure in the PROSPECT-C phase II colorectal cancer clinical trial

…, J Thomas, C Peckitt, N Khan, M Rugge, R Begum… - Cancer discovery, 2018 - AACR
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 …

[PDF][PDF] Genomic and transcriptomic determinants of therapy resistance and immune landscape evolution during anti-EGFR treatment in colorectal cancer

…, M Jimenez, K Kouvelakis, R Ranftl, R Begum… - Cancer cell, 2019 - cell.com
Despite biomarker stratification, the anti-EGFR antibody cetuximab is only effective against
a subgroup of colorectal cancers (CRCs). This genomic and transcriptomic analysis of the …

[HTML][HTML] Comparison between MRI and pathology in the assessment of tumour regression grade in rectal cancer

…, S Balyasnikova, J Evans, C Peckitt, R Begum… - British journal of …, 2017 - nature.com
Background: Limited data exist regarding the correlation between MRI tumour regression
grade (mrTRG) and pathological TRG (pTRG) in rectal cancer. Methods: mrTRG and pTRG …

[HTML][HTML] MIR21 drives resistance to heat shock protein 90 inhibition in cholangiocarcinoma

…, S Yu, R Cole, E Smyth, JF Mateos, R Begum… - Gastroenterology, 2018 - Elsevier
Background & Aims Cholangiocarcinomas (CCA) are resistant to chemotherapy, so new
therapeutic agents are needed. We performed a screen to identify small-molecule compounds …

MRI tumor regression grade and circulating tumor DNA as complementary tools to assess response and guide therapy adaptation in rectal cancer

…, S Picchia, MA Bali, R Shaikh, T Jones, R Begum… - Clinical Cancer …, 2020 - AACR
Purpose: Response to preoperative chemo-radiotherapy (CRT) varies. We assessed
whether circulating tumor DNA (ctDNA) might be an early indicator of tumor response or …

[HTML][HTML] CHOP versus GEM-P in previously untreated patients with peripheral T-cell lymphoma (CHEMO-T): a phase 2, multicentre, randomised, open-label trial

…, I Zerizer, B Sharma, S Chua, R Begum… - The Lancet …, 2018 - thelancet.com
Background Outcomes with CHOP (cyclophosphamide, doxorubicin, vincristine, and prednisolone)
or CHOP-like chemotherapy in peripheral T-cell lymphoma are poor. We investigated …

Functional imaging and circulating biomarkers of response to regorafenib in treatment-refractory metastatic colorectal cancer patients in a prospective phase II study

…, J Thomas, E Kalaitzaki, N Fotiadis, R Begum… - Gut, 2018 - gut.bmj.com
Objective Regorafenib demonstrated efficacy in patients with metastatic colorectal cancer (mCRC).
Lack of predictive biomarkers, potential toxicities and cost-effectiveness concerns …

[HTML][HTML] KRAS and BRAF mutations in circulating tumour DNA from locally advanced rectal cancer

…, J Capdevila, B Glimelius, N Tarazona, R Begum… - Scientific reports, 2018 - nature.com
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 …

[HTML][HTML] Analytical validation of multiplex biomarker assay to stratify colorectal cancer into molecular subtypes

…, M Del Rio, SL Koo, WS Tan, F Sclafani, R Begum… - Scientific reports, 2019 - nature.com
Previously, we classified colorectal cancers (CRCs) into five CRCAssigner (CRCA) subtypes
with different prognoses and potential treatment responses, later consolidated into four …