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Computed tomography (CT) colonography demonstrated greater clinical efficacy and cost savings than stool DNA testing for colorectal cancer screening, according to results of a study published in Radiology. "Among the safe, minimally invasive colorectal cancer screening options, CT colonography is ...
In a UK phase II trial (PLATO-ACT4) reported in The Lancet Oncology, Gilbert et al compared short-term response rates with standard- vs reduced-dose chemoradiotherapy in patients with localized squamous cell carcinoma of the anus. Study Details In the multicenter, open-label, noncomparative trial,...
In a first-in-human, single-institution phase I trial reported in The Lancet Oncology,1 Lou et al found that autologous tumor-infiltrating lymphocytes genetically edited with CRISPR-Cas9 to target the intracellular immune checkpoint CISH were tolerable and showed evidence of activity in patients...
In May in Vienna, five studies presented at ESTRO (European Society for Radiotherapy and Oncology) 2025 showcased how radiotherapy is reshaping the landscape for anal and rectal cancers. From reduced-dose treatments to cutting-edge combinations with immunotherapy and chemotherapy, these innovations ...
The U.S. Food and Drug Administration (FDA) approved retifanlimab-dlwr (Zynyz), a PD-1–blocking monoclonal antibody, with carboplatin and paclitaxel for the first-line treatment of adults with inoperable locally recurrent or metastatic squamous cell carcinoma of the anal canal. The FDA also...
A 3-year structured exercise program initiated soon after completion of adjuvant chemotherapy improved disease-free survival and overall survival, as well as patient-reported physical functioning and health-related fitness, in patients with stage III or high-risk stage II colon cancer. These...
In the phase III ALASCCA trial, the use of adjuvant daily aspirin for 3 years reduced the risk of recurrence in colorectal cancer harboring PI3K pathway alterations by 51%, according to research in a Scandinavian population presented at the 2025 ASCO Gastrointestinal Cancers Symposium by Anna...
Consuming an anti-inflammatory diet could improve posttreatment survival among patients with colorectal cancer compared with following a proinflammatory diet, according to new findings presented by Char et al at the 2025 ASCO Annual Meeting (Abstract LBA3509). The findings suggested that engaging...
Marital status significantly impacts survival rates for patients with colorectal cancer, according to a new Fox Chase Cancer Center study that was presented at the 2025 ASCO Annual Meeting (Abstract 3628). Married individuals were found to have better survival rates than single or separated and...
Frank A. Sinicrope, MD, of Mayo Clinic Rochester, reviews findings from the randomized Alliance A021502/ATOMIC trial, which studied standard chemotherapy alone or combined with atezolizumab as adjuvant therapy for patients with stage III DNA mismatch repair–deficient (dMMR) colon cancer (LBA1).
Elena Elez, MD, PhD, of Vall d’Hebron Institute of Oncology, presents updated overall survival data as well as progression-free survival data from the BREAKWATER trial of the first-line use of encorafenib, cetuximab, and mFOLFOX6 in BRAF V600E–mutant metastatic colorectal cancer (LBA3500).
Results from a large, prospective study show that eating a less inflammatory diet may reduce the risk of death for patients with stage III colon cancer. The research is being presented at the 2025 ASCO Annual Meeting (Abstract LBA3509). Chronic systemic inflammation is a known risk factor for the...
Heinz-Josef Lenz, MD, of the University of Southern California Norris Comprehensive Cancer Center, reviews analyses from the CheckMate 8HW trial, which evaluated nivolumab plus ipilimumab vs chemotherapy or nivolumab monotherapy for microsatellite instability–high/mismatch repair–deficient (MSI-H/dMMR) metastatic colorectal cancer (Abstract 3501).
A phase III study has found that a 3-year structured exercise program initiated soon after completion of adjuvant chemotherapy improves disease-free and overall survival, as well as patient-reported physical functioning and health-related fitness, in patients with stage III and high-risk stage II...
Results from the international phase III ATOMIC study demonstrated that patients with deficient mismatch repair (dMMR) colon cancer who receive atezolizumab in addition to adjuvant chemotherapy experience a 50% reduction in disease recurrence or death compared with chemotherapy alone. The findings...
Christopher M. Booth, MD, of Queen’s University, reviews findings from the randomized phase III Canadian Cancer Trials Group (CCTG) CO.21 (CHALLENGE) trial, which evaluated the impact of a structured exercise program on disease-free survival in patients with stage III or high-risk stage II colon cancer (Abstract LBA3510).
Results from an international phase III study showed that the targeted therapy combination of encorafenib and cetuximab with mFOLFOX6 (leucovorin, fluorouracil, and oxaliplatin) chemotherapy may help patients with BRAF V600E–mutant metastatic colorectal cancer live longer. After early results from...
Universal germline testing is essential for identifying hereditary cancer risk, especially for patients with young-onset colorectal cancer who were diagnosed before the age of 50. However, the implementation of universal germline testing has been hampered by increasing demand and limited physician...
An evaluation by the Department of Justice Office of the Inspector General (DOJ OIG) of the Federal Bureau of Prisons’ (BOP) colorectal cancer screening practices for inmates and their clinical follow-up for positive screenings found several serious operational and managerial deficiencies...
In a UK phase II trial (PLATO-ACT4) reported in The Lancet Oncology, Gilbert et al evaluated whether short-term results showed good complete response rates with both standard-dose and reduced-dose chemoradiotherapy in patients with localized squamous cell carcinoma of the anus. Study Details In the ...
Total neoadjuvant therapy of intensified chemoradiotherapy was shown to be less effective for treating patients with rectal cancer with inflammatory bowel disease (IBD) than those with sporadic rectal cancer, according to study findings presented during Digestive Disease Week 2025. However, there...
On May 15, the U.S. Food and Drug Administration (FDA) approved retifanlimab-dlwr (Zynyz), a PD-1–blocking monoclonal antibody, with carboplatin and paclitaxel for the first-line treatment of adults with inoperable locally recurrent or metastatic squamous cell carcinoma of the anal canal (SCAC)....
Circulating tumor DNA (ctDNA) has emerged as a promising biomarker in colorectal cancer, offering dynamic insight into disease burden and recurrence risk. However, questions remain about its clinical utility and optimal application, as well as its equitable access across practice settings. At the...
The National Comprehensive Cancer Network (NCCN) released its first set of Clinical Practice Guidelines in Oncology (NCCN Guidelines®) in 1996, covering eight tumor types. Today, guidelines are available for more than 60 tumor types, subtypes, and related topics. During the NCCN’s 30th Annual...
Thousands of forward-looking research studies defined the 2025 American Association for Cancer Research (AACR) Annual Meeting. Here, aside from our fuller coverage of key presentations in The ASCO Post, we offer a snapshot of a few additional abstracts that may be of interest to cancer researchers...
Patients with human immunodeficiency virus (HIV) are less likely to receive potentially life-saving cancer treatment if they reside in communities with lower income levels and educational attainment, according to a recent study published by Islam et al in Cancer. Study Methods and Results...
Five pivotal studies presented at ESTRO 2025 showcase how radiotherapy is reshaping the landscape for anal and rectal cancers. From reduced-dose treatments to cutting-edge combinations with immunotherapy and chemotherapy, these innovations offer safer, more effective, and organ-preserving...
Cancer-related studies were among the nearly 6,000 abstracts presented at Digestive Disease Week® (DDW) 2025, including research on artificial intelligence (AI) in patient communication, polyp detection, and colonoscopy prep. Use of AI in Patient Communication AI outperformed physicians in...
Patients with colorectal cancer and a history of cannabis use disorder had a more than 20 times higher risk of mortality within 5 years than those without cannabis use order, according to the results of a study published in Annals of Epidemiology. The 5-year mortality rate in patients with a...
A 20-year initiative that offered flexible options for colorectal cancer screening at a major integrated health system doubled colorectal cancer screening rates, cut cancer incidence by a third, halved deaths, and brought racial differences in outcomes to nearly zero, according to a study that will ...
Use of a multimodal deep learning–based model led to more accurate and earlier identifications of cancer cachexia than standard clinical and radiological observations, according to findings presented at the 2025 American Association for Cancer Research (AACR) Annual Meeting (Abstract 1143)....
Interim results from the VICTORI study showed that an ultrasensitive circulating tumor DNA (ctDNA)-based liquid biopsy assay was effective in detecting signs of cancer recurrence prior to imaging and provided prognostic value within 1 month after surgery in patients with colorectal cancer. The...
Researchers may have identified the bacterial toxin colibactin as a potential factor contributing to the concerning rise in early-onset colorectal cancer, according to a novel study published by Díaz-Gay et al in Nature. The findings demonstrated a substantial enrichment of colibactin-related...
Researchers have uncovered that eating walnuts may improve systemic inflammation and reduce the risk for colorectal cancer, according to a recent study published by Moussa et al in Cancer Prevention Research. Background Ellagitannins—plant-derived polyphenol compounds found in walnuts—have been...
The incidence rates of colorectal and pancreatic adenocarcinomas have risen the most among young adults over the past 2 decades, suggesting the need for heightened awareness among clinicians for these diseases in this patient population, according to a report published by Bussetty et al in JAMA...
The U.S. Food and Drug Administration (FDA) has approved bevacizumab-nwgd (Jobevne), a biosimilar to bevacizumab (Avastin), for intravenous use. Bevacizumab-nwgd is a recombinant humanized monoclonal antibody and a vascular endothelial growth factor (VEGF) inhibitor that binds with VEGF and blocks...
In a Spanish study (COLONPREV) reported in The Lancet, Castells et al found that invitation to fecal immunochemical test (FIT) vs colonoscopy screening for colorectal cancer was associated with noninferiority in colorectal cancer mortality. Study Details In the multicenter study, eligible...
On April 8, the U.S. Food and Drug Administration (FDA) approved the PD-1 inhibitor nivolumab (Opdivo) with the CTLA-4 inhibitor ipilimumab (Yervoy) for adult and pediatric patients aged 12 years and older with unresectable or metastatic microsatellite instability–high (MSI-H) or mismatch...
In a U.S. population–based cohort study reported in JAMA Network Open, Bari et al identified patterns of immune checkpoint inhibitor (ICI) use and survival outcomes among patients with metastatic colorectal cancer seen in routine clinical practice. The investigators stated: “…ICIs have been...
Many patients who are eligible for lung cancer screening do not receive it, but do receive preventative screenings for other cancer types, according to the results of a new study published by Potter et al in JAMA. Background Although lung cancer screening is recommended for certain individuals...
An increasing proportion of the U.S. public may be aware of the link between consuming alcohol and the elevated risk of later developing cancer, according to a recent survey conducted by the University of Pennsylvania’s Annenberg Public Policy Center (APPC). Background On January 3, 2025, Vivek...
Chemotherapy followed by local excision may be effective in patients with node-negative low rectal adenocarcinoma, according to new findings presented by Buettner et al at the 2025 Society of Surgical Oncology (SSO) Annual Meeting. Background The current standard of care among most patients with...
Two recent studies have elucidated the effects of the COVID-19 pandemic on colorectal cancer screenings and diagnostic colonoscopies in Central Indiana. The findings—reported by Kumar et al in PLOS One and Richter et al in Preventive Medicine Reports—contribute to the compendium of knowledge on...
Investigators found that individuals who engaged in light- and moderate-to-vigorous–intensity physical activity daily had a lower risk of developing cancer compared with those who were more sedentary, according to a recent study published by Shreves et al in the British Journal of Sports Medicine....
In a Scottish study (TEMPO) reported in The Lancet, Robb et al found that a behavioral intervention adding a deadline for fecal immunochemical testing (FIT) return in the invitation letter to FIT colorectal cancer screening resulted in superior uptake of testing. Study Details In the trial, 40,000...
The risk of death from cardiovascular causes may be higher among patients diagnosed with colorectal cancer compared with the general population, according to new findings presented by Ayaz et al at the American College of Cardiology (ACC) Annual Scientific Session 2025. Background Cardiovascular...
The 2025 ASCO Gastrointestinal Cancers Symposium once again delivered a slate of high-impact studies spanning esophageal, gastric, hepatocellular, pancreatic, biliary tract, and colorectal malignancies. Experts in the field offered fresh perspectives on evolving standards of care, and investigators ...
The use of a circulating tumor DNA (ctDNA) liquid biopsy to guide colorectal cancer treatment in the adjuvant setting may not compromise outcomes despite allowing many patients to avoid chemotherapy, according to a recent study published by Tie et al in Nature Medicine. Background A liquid biopsy...
A study evaluating the genetic landscape of candidate primary resistance alterations relevant to KRAS targeting in KRAS G12C–mutant colorectal cancers and pancreatic ductal adenocarcinomas (PDAC) has found that putative resistance alterations are prevalent in these cancers. The finding may explain...
Updated consensus recommendations from the U.S. Multi-Society Task Force on Colorectal Cancer (MSTFCRC) address optimizing the quality of bowel preparation for colonoscopy. The document, published today by Jacobson et al, presents clinical strategies to improve bowel preparation as they apply...