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Dana-Farber/Brigham and Women’s Cancer Center recently announced the launch of the Young-Onset Colorectal Cancer Center in Boston. The Center will provide expert, compassionate, and cutting-edge care to young adult patients with colon and rectal cancer, with a focus on scientific discovery and...
In patients with locally advanced rectal cancer, the delivery of all radiotherapy and chemotherapy neoadjuvantly—with a shorter course of radiation—may improve the chance of complete response and downstaging over conventional treatment, according to investigators from Washington University, St....
As reported in the Journal of Clinical Oncology by Van Cutsem et al, treatment with encorafenib, binimetinib, and cetuximab for BRAF V600E–mutant metastatic colorectal cancer was associated with a manageable safety profile and evidence of activity in the safety lead-in to the phase III BEACON ...
THE ANNUAL GASTROINTESTINAL CANCERS SYMPOSIUM took place earlier this year in San Francisco. In addition to important studies captured in our past few issues, The ASCO Post here briefly summarizes additional interesting studies. Adjuvant Hyperthermic Intraperitoneal Chemotherapy in Colon Cancer...
Wells A. Messersmith, MD, of the University of Colorado Cancer Center, discusses results of recent clinical trials, emerging treatment options, and approaches that may improve outcomes in patients with metastatic colorectal cancer.
As reported in The Lancet Oncology by Meric-Bernstam et al, the combination of pertuzumab and trastuzumab showed activity in HER2-amplified metastatic colorectal cancer in the phase IIa multiple basket study MyPathway. The study is evaluating activity of targeted therapies in nonindicated tumor...
In an analysis of the phase III CALGB/SWOG 80405 trial reported in the Journal of Clinical Oncology, Innocenti et al found that tumor mutational burden and microsatellite instability status affected overall survival in patients receiving first-line chemotherapy plus bevacizumab or cetuximab for...
In a linked Surveillance, Epidemiology, and End Results and Medicare study reported in the Journal of Clinical Oncology, Salz et al found that chronic opioid use varied by cancer among older cancer survivors. By 6 years after diagnosis, survivors were no more likely to be chronic opioid users...
A study evaluating a prognostic signature derived from integrating tumor budding, lymphocyte infiltration, and their spatial relationship has found that the method could more accurately stratify patients with stage II colorectal cancer at high risk for disease-specific death compared with...
Kentucky has been one of the most successful states in reducing its uninsured rate, which happened in part through the Affordable Care Act’s Medicaid expansion that took effect on January 1, 2014. In the past, Kentucky has reported low rates of colorectal cancer screening, and has ranked ...
The proportion of early-stage drug trials tackling the most common tumor types has declined sharply since the early 1990s, as less common cancers receive increasing attention in trials, according to new research presented by Sato et al at the TAT 2019–International Congress on Targeted...
A recent study by the American Cancer Society (ACS) has found that while colorectal cancer incidence in the United States is rapidly declining overall, colorectal cancer rates are increasing among young adults. According to the study, compared with adults born in the 1950s, those born in the 1990s...
INVITED STUDY discussant Michael J. Overman, MD, Professor of Gastrointestinal Medical Oncology at The University of Texas MD Anderson Cancer Center, Houston, is a co-investigator on CheckMate 142, which led to the approval of another immunotherapy doublet—nivolumab plus ipilimumab—in patients...
THE COMBINATION of durvalumab and tremelimumab prolonged median overall survival by 2.5 months compared with best supportive care alone in patients with advanced treatment-refractory colorectal cancer. These findings, which are from the randomized phase II Canadian Cancer Trials Group (CCTG) CO.26...
ON JANUARY 22, 2019, 23andMe received U.S. Food and Drug Administration (FDA) clearance for a genetic health risk report on the hereditary colorectal cancer syndrome MUTYH-associated polyposis. The clearance follows the FDA’s authorization for 23andMe’s BRCA1/BRCA2 (Selected Variants) Genetic...
Although colorectal cancer rates in older adults have been decreasing in the United States since the mid-1980s, incidence rates for the cancer have been increasing among young and middle-aged adults, according to a study by the American Cancer Society (ACS). Based on the new data, in 2018, the ACS...
In a single-center retrospective case series analysis reported in JAMA Oncology, Smith et al found that a watch-and-wait approach was associated with a high rate of rectal preservation and pelvic tumor control in patients with rectal cancer with complete clinical response to neoadjuvant therapy,...
In a study reported in the Journal of the National Cancer Institute, Gray et al found that constitutional loss of function single-nucleotide polymorphisms in the pattern recognition receptors FPR1, TLR3, and TLR4 were not associated with preferential benefit of oxaliplatin in colorectal cancer. As...
On January 22, 23andMe received U.S. Food and Drug Administration (FDA) clearance for a genetic health risk report on MUTYH-associated polyposis, a hereditary colorectal cancer syndrome. The clearance follows the FDA’s authorization for 23andMe’s BRCA1/BRCA2 (Selected Variants)...
Pieter Tanis, MD, PhD, of Amsterdam University Medical Centers, discusses study findings on adjuvant hyperthermic intraperitoneal chemotherapy (HIPEC) in patients with colon cancer who are at high risk of peritoneal metastases (Abstract 482).
Francesca Battaglin, MD, of the University of Southern California Norris Comprehensive Cancer Center, discusses phase III study data on genetic variants used to predict the efficacy of cetuximab in patients with metastatic colorectal cancer (Abstract 564).
Jeffrey A. Meyerhardt, MD, MPH, of Dana-Farber Cancer Institute, discusses phase III study findings on S-1/oxaliplatin vs uracil and tegafur/leucovorin as adjuvant chemotherapy for high-risk stage III colon cancer (Abstract 484).
Carl C. Schimanski, MD, PhD, of the Municipal Hospital Darmstadt, discusses phase II study findings on adjuvant immunotherapy with tecemotide after colorectal cancer liver metastasectomy (Abstract 480).
The delivery of all radiotherapy and chemotherapy neoadjuvantly—also known as total neoadjuvant therapy—has improved complete response and downstaging rates compared to treatment after surgery in patients with rectal cancer. In a study presented by Chapman et al at the 2019...
Patients with advanced or perforated colon cancer may be at elevated risk of peritoneal metastases. Since many patients with peritoneal metastases are diagnosed at a late stage, researchers sought to study the effectiveness of hyperthermic intraperitoneal chemotherapy (HIPEC) in the adjuvant...
The phase II CCTG CO.26 trial evaluated whether the combination of durvalumab, a programmed cell death ligand 1 (PD-L1) inhibitor, and tremelimumab, an anti–cytotoxic T-lymphocyte–associated protein 4 (CTLA-4) antibody, plus best supportive care improved survival vs best supportive care ...
The U.S. Food and Drug Administration (FDA) recently issued the following new designations and clearances: Fast Track Designation for Itolizumab for the Treatment of Acute Graft-vs-Host Disease The FDA granted Fast Track designation to itolizumab for the treatment of acute graft-vs-host ...
Nearly three-quarters of patients with young-onset colorectal cancer are diagnosed with an advanced stage of the disease, a significantly higher percentage than has been reported for their more mature peers, according to a report from the Colorectal Cancer Alliance. The findings of...
Ten years after a negative colonoscopy, patients who were rescreened for colorectal cancer had a lower risk of being diagnosed with and were less likely to die from colorectal cancer compared with those who did not undergo colorectal cancer screening, according to a study published by Lee et al...
In a Dutch study reported in JAMA Surgery, Michael P.M. de Neree tot Babberich, MD, of the Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, and colleagues found that postoperative outcomes were better in patients with colon cancer, but not rectal cancer, detected...
A program that provided individually tailored lifestyle recommendations for patients undergoing screening for colorectal cancer helped encourage healthy behavior, according to results published by Knudsen et al in Cancer Epidemiology, Biomarkers & Prevention. “It is well known that...
An international team of researchers has developed, calibrated, and validated a novel tool for identifying the genetic changes in Lynch syndrome genes that are likely to be responsible for causing symptoms of the disease. The results were published by Drost et al in Genetics in Medicine. ...
In a UK trial (seAFOod Polyp Prevention) reported in The Lancet by Hull et al, no differences in adenoma prevention were found after treatment with omega-3 polyunsaturated fatty acid eicosapentaenoic acid (EPA), aspirin, both, or placebo in patients with high-risk findings on colonoscopy. On the...
In a study reported in JAMA Oncology, Cohen et al found evidence that primary resistance to immune checkpoint inhibitor treatment in metastatic colorectal cancer (CRC) can be explained in some cases by misdiagnosis of microsatellite instability (MSI) or defective mismatch repair (dMMR) status....
JULIEN TAIEB, MD, Professor of Medicine at Paris Descartes University in France, said the MODUL cohort was based on a clear rationale for adding atezolizumab (Tecentriq) to bevacizumab (Avastin) in the metastatic colorectal cancer setting. In immunodeficient mice, the combination of an...
ADDING ATEZOLIZUMAB (Tecentriq) to a fluoropyrimidine plus bevacizumab (Avastin) did not improve outcomes for patients with BRAF wild-type metastatic colorectal cancer enrolled in the umbrella MODUL trial.1 “Despite activity in other, immune-responsive tumor types, there was no improvement in...
A population-based study examining patient receipt of a surveillance colonoscopy 3 years after the removal of high-risk adeonomatous polyps has found that the procedure was underutilized and varied by health-care system, patient age, and number of adenomas found. Strategies to improve adherence to...
In a study reported in the Journal of Clinical Oncology, Ogura et al found that lateral lymph node dissection (LLND) reduced the risk of lateral local recurrence in patients with lateral nodes ≥ 7 mm undergoing neoadjuvant chemoradiation or radiation and total mesorectal excision in clinical...
In previously untreated patients with metastatic colorectal cancer and tumors demonstrating microsatellite instability–high (MSI-high) or mismatch repair deficiency (dMMR), immunotherapy with nivolumab (Opdivo) and low-dose ipilimumab (Yervoy) produced a durable clinical benefit in the...
In a German phase III noninferiority trial (XELAVIRI) reported by Modest et al in the Journal of Clinical Oncology, noninferiority of first-line sequential vs combination fluoropyrimidine, irinotecan, and bevacizumab (Avastin) was not demonstrated in metastatic colorectal cancer (CRC). Benefit of...
In a study reported in the Journal of Clinical Oncology, Guinter et al found that better prediagnosis and postdiagnosis dietary patterns were associated with improved overall and colorectal cancer–specific survival among patients diagnosed with colorectal cancer. Study Details The...
The U.S. Food and Drug Administration (FDA) recently approved levoleucovorin (Khapzory) injection, a folate analog, for three indications: rescue after high-dose methotrexate therapy in patients with osteosarcoma; diminishing the toxicity associated with overdosing on folic acid antagonists or...
The combination of nivolumab (Opdivo) and low-dose ipilimumab (Yervoy) could become a new first-line treatment in patients with microsatellite instability–high (MSI-H), mismatch repair–deficient (dMMR) metastatic colorectal cancer, following results from the CheckMate-142 trial reported ...
Neoadjuvant treatment with a combination of the immune checkpoint inhibitors nivolumab (Opdivo) and ipilimumab (Yervoy) achieved major pathological responses in mismatch repair–deficient (dMMR) early-stage colon cancers, according to results reported by Chalabi et al at the European...
The U.S. Food and Drug Administration (FDA) recently approved levoleucovorin (Khapzory) injection, a folate analog, for three indications: rescue after high-dose methotrexate therapy in patients with osteosarcoma; diminishing the toxicity associated with overdosage of folic acid...
In a Dutch study reported in JAMA Surgery, de Neree tot Babberich et al found that postoperative outcomes were better in patients with colon cancer, but not rectal cancer, detected vs not detected through the national fecal immunochemical test–based screening program. Study ...
Analysis of male- and female-derived tumor samples revealed differences in prognostic biomarkers, genes that drive cancer, and in regulation of key pathways that may predict responses to treatment, according to results published in two studies in Cancer Research, one by Li et al and the other...
In the Chinese phase III TAILOR trial reported in the Journal of Clinical Oncology, Qin et al found that adding the EGFR inhibitor cetuximab to FOLFOX4 (fluorouracil, leucovorin, oxaliplatin) improved progression-free survival in patients with RAS wild-type metastatic colorectal cancer. Study...
In a French phase II trial reported in The Lancet Oncology, Stefano Kim, MD, of the Department of Oncology, University Hospital of Besancon, and colleagues found that treatment with docetaxel, cisplatin, and fluorouracil (DCF) was active in patients with metastatic or unresectable locally...
Although the optimal approach to maintenance is not definitive in patients with metastatic colorectal cancer who have undergone chemotherapy-based induction with anti–endothelial growth factor receptor (EGFR) agents, the phase II VALENTINO trial showed that anti-EGFR maintenance therapy with...