Locally advanced rectal cancer (LARC) has traditionally been treated with trimodality therapy consisting of neoadjuvant radiation +/− chemotherapy, surgery, and adjuvant chemotherapy. There is currently a clinical need for biomarkers to predict treatment response and outcomes, especially during neoadjuvant therapy. Liquid biopsies in the form of circulating tumour cells (CTCs) and circulating nucleic acids in particular microRNAs (miRNA) are novel, the latter also being highly stable and clinically relevant regulators of disease. We studied a prospective cohort of 52 patients with LARC, and obtained samples at baseline, during treatment, and post-treatment. We enumerated CTCs during chemoradiation at these three time-points, using the IsofluxTM (Fluxion Biosciences Inc., Alameda, CA, USA) CTC Isolation and detection platform. We then subjected the isolated CTCs to miRNA expression analyses, using a panel of 106 miRNA candidates. We identified CTCs in 73% of patients at baseline; numb
Deb Schrag, MD, MPH, discusses the rationale for exploring the use of selective preoperative chemoradiation in patients with locally advanced rectal cancer, the safety and efficacy findings from the PROSPECT trial, and the importance of reviewing patient-reported outcomes during clinical trials.
OncLive® will be LIVE with OncLive® News Network: On Location at the 2023 ASCO Annual Meeting. Each day, we will broadcast a series of interviews with top thought leaders, to learn their thoughts and reactions to data presented across hematologic oncology during the conference.
OncLive® will be LIVE with OncLive® News Network: On Location at the 2023 ASCO Annual Meeting. Each day, we will broadcast a series of interviews with top thought leaders, to learn their thoughts and reactions to data presented across hematologic oncology during the conference.
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