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An advanced software tool for analyzing DNA sequences from tumor samples has uncovered new, likely cancer-driving genes. In a study, Weill Cornell Medicine researchers designed the software, known as CSVDriver, to map and analyze the locations of large mutations, known as structural variants, in...
It may soon be possible to identify group 4 medulloblastomas from more aggressive group 3 tumors. Research based on a little-explored part of RNA that creates proteins may lead to the development of better-targeted therapies, according to investigators at the Johns Hopkins Kimmel Cancer Center....
A large prospective analysis, published by Bayle et al in Annals of Oncology, evaluated differences between tissue and circulating tumor DNA (ctDNA) next-generation sequencing (NGS) with a large cancer gene panel. The investigators compared the impacts of both methods in terms of molecular tumor...
Esophageal adenocarcinoma is a type of cancer affecting the mucus-secreting glands of the lower esophagus and is the most common form of esophageal cancer. It is often preceded by Barrett’s metaplasia, a deleterious change in cells lining the esophagus. Though the cause of esophageal adenocarcinoma ...
In a case-control study within the U.S. Women’s Health Initiative (WHI) study population reported in JAMA Oncology, Lønning et al found that BRCA1 promoter methylation identified in white blood cells was associated with increased risks of incident triple-negative breast cancer and high-grade serous ...
In a retrospective cohort study reported in JAMA Oncology, Brittany L. Bychkovsky, MD, MSc, and colleagues analyzed the spectrum of cancer phenotypes associated with germline CHEK2 variants. They found that CHEK2 pathogenic variants apart from p.I157T, p.S428F, and p.T476M were associated with...
Black patients of African descent tend to be diagnosed more frequently with prostate cancer and have higher mortality rates than patients of other races and ethnicities. Despite this substantial disparity, few prospective studies focused on maximizing the recruitment of African American patients...
As reported in The Lancet Oncology by Vivek Subbiah, MD, and colleagues, the phase I/II LIBRETTO-001 basket trial has shown that the RET kinase inhibitor selpercatinib demonstrated activity in patients with RET fusion–positive solid tumors in an analysis excluding lung and thyroid cancers. Findings ...
On September 21, the U.S. Food and Drug Administration (FDA) granted accelerated approval to selpercatinib (Retevmo) for adult patients with locally advanced or metastatic solid tumors with a rearranged during transfection (RET) gene fusion and disease progression on or following prior systemic...
On September 21, the U.S. Food and Drug Administration (FDA) granted regular approval to selpercatinib (Retevmo) for adult patients with locally advanced or metastatic non–small cell lung cancer (NSCLC) with a RET gene fusion (as detected by an FDA-approved test). The FDA also approved the Oncomine ...
In a circulating tumor DNA (ctDNA) substudy from the CALGB/SWOG-80405/Alliance trial reported in the Journal of Clinical Oncology, Kanwal Raghav, MD, MBBS, and colleagues found that first-line use of the anti-EGFR antibody cetuximab combined with chemotherapy was associated with only a small number ...
Certain genetic variants found in prostate tumors of men of African descent were associated with African ancestry, according to two studies presented at the 15th American Association for Cancer Research (AACR) Conference on the Science of Cancer Health Disparities in Racial and Ethnic Minorities...
In a study reported in the Journal of Clinical Oncology by Topham et al, circulating tumor DNA (ctDNA) analysis indicated significantly increased frequencies of multiple potential EGFR inhibitor resistance alterations among patients with refractory metastatic colorectal cancer with vs without prior ...
Newly released results from the phase III ADAURA trial revealed that osimertinib yielded a 5.5-year median disease-free survival in the postsurgical treatment of patients with EGFR-mutated non–small cell lung cancer (NSCLC), and nearly three in four patients treated with adjuvant osimertinib were...
Antonio Marra, MD, of Memorial Sloan Kettering Cancer Center, discusses a mutational signature analysis that reveals patterns of genomic instability linked to resistance to endocrine therapy with or without CDK4/6 inhibition in patients with estrogen receptor–positive/HER2-negative metastatic breast cancer (Abstract 210O).
A new mechanism has been identified through which very small pollutant particles in the air may trigger lung cancer in people who have never smoked, paving the way to new prevention approaches and the development of novel therapies, according to late-breaking data reported by Charles Swanton, MBBS, ...
In an interim analysis of the Chinese phase III ORIENT-31 trial reported in The Lancet Oncology, Lu et al found that the addition of sintilimab and the bevacizumab biosimilar IBI305 to chemotherapy prolonged progression-free survival in patients with advanced EGFR-mutated nonsquamous non–small cell ...
Two studies published simultaneously by Jaratlerdsiri et al in Nature and Gong et al in Genome Medicine have identified genetic signatures explaining ethnic differences in the severity of prostate cancer, particularly in sub-Saharan Africa. Through genetic sequencing of prostate cancer tumors from...
A team of researchers from the University of Rochester discovered how certain genetic mutations fuel the growth of cholangiocarcinoma, a rare but aggressive type of malignancy that has been on the rise in the United States. Their work, published by Guo et al in Cell Reports this week, details the...
A new clinical guideline from the American Society for Radiation Oncology (ASTRO) provides recommendations on the use of radiation therapy to treat patients with isocitrate dehydrogenase (IDH)-mutant grade 2 and grade 3 diffuse glioma. Evidence-based recommendations outline the multidisciplinary...
Alexander T. Pearson, MD, PhD, Assistant Professor of Medicine at the University of Chicago, commended the artificial intelligence (AI)-augmented, ultrasound-based platform for screening and staging of thyroid cancer. “In this study, Dr. Chan and colleagues processed high-resolution ultrasound...
An artificial intelligence (AI) ultrasound platform that incorporates multiple methods of machine learning can accurately predict thyroid malignancy as well as pathologic and genomic outcomes, according to data presented at the 2022 Multidisciplinary Head and Neck Cancers Symposium.1 Findings from...
In an updated analysis of the Japanese phase III NEJ009 trial reported in the Journal of Clinical Oncology, Miyauchi et al found that gefitinib plus carboplatin/pemetrexed was associated with prolonged progression-free survival and progression-free survival 2—but loss of significance in overall...
Researchers have identified biological markers in patients with triple-negative breast cancer that are associated with resistance to chemotherapy. The study was published by Anurag et al in the journal Cancer Discovery and was funded by the National Cancer Institute’s Clinical Proteomics Tumor...
An online tool developed by researchers and physicians at Dana-Farber Cancer Institute may accurately and rapidly identify people who should undergo testing for inherited genetic changes that raise the risk of developing certain cancers, according to findings reported by Yurgelun et al in the...
The highly selective RET inhibitor pralsetinib was well tolerated and demonstrated robust, durable responses in patients with RET fusion–positive cancers regardless of tumor type, according to results from the international phase I/II ARROW trial. Results from the trial were published in Nature...
By searching previously ignored regions of the genome, researchers have found a multitude of new genetic mutations that may contribute to diffuse large B-cell lymphoma (DLBCL). These findings were published by Bal et al in Nature. “Our findings not only show that these mutations can contribute to...
A newly constructed map of the landscape of genetic changes in chronic lymphocytic leukemia (CLL) may provide a better understanding of this complex malignancy, which could lead to more accurate prognoses for patients, improved diagnostics, and novel treatments. These research findings were...
On August 10, 2022, the U.S. Food and Drug Administration (FDA) granted regular approval to capmatinib (Tabrecta) for adult patients with metastatic non–small cell lung cancer (NSCLC) whose tumors have a mutation leading to mesenchymal-epithelial transition (MET) exon 14 skipping, as detected by an ...
Patients with metastatic non–small cell lung cancer (NSCLC) who received a combined therapy of tremelimumab, durvalumab, and chemotherapy experienced longer overall survival compared with those who received chemotherapy alone, regardless of STK11, KEAP1, or KRAS mutational status. These findings...
Researchers studying the molecular landscape of over 500 patients with relapsed or refractory multiple myeloma discovered a prevalence of activated key oncogenic pathways in these patients—much more than previously thought. Upward of 45% to 65% of NF-κB and RAS/MAPK pathways each had alterations....
1,2-Dichloropropane (1,2-DCP) is a synthetic organic solvent used in the printing industry. It was linked to cholangiocarcinoma in 2013, when printing company employees in Osaka, Japan, exposed to 1,2-DCP were diagnosed with the cancer. Thereafter, the International Agency for Research on Cancer...
Researchers at Massachusetts General Hospital (MGH) who previously developed a blood test for mutations in a gene linked to gliomas have now applied their technology to detect additional mutations—in this case, in the gene that codes for the epidermal growth factor receptor (EGFR). The advance,...
Telling children about their mother’s risk of hereditary breast and/or ovarian cancer does not adversely influence the offspring’s lifestyle or quality of life in the long term, according to a new study published by McDonnell et al in the journal Pediatrics. The study looked at the mutation status...
The effective treatment of patients with brain metastases is an unmet need because, until fairly recently, patients with brain metastases were excluded from clinical trials of systemic therapies. However, the emergence of molecular targeted therapies has allowed a new treatment approach in patients ...
The all-oral combination of dabrafenib plus trametinib—two targeted therapies—significantly improved the overall response rate vs standard-of-care chemotherapy with carboplatin plus vincristine in pediatric patients with BRAF V600 mutation–positive low-grade gliomas. The clinical benefit rate...
In a Dutch study reported in the Journal of Clinical Oncology, Klatte et al provided findings from a 20-year follow-up of a pancreatic cancer surveillance program including carriers of germline CDKN2A pathogenic variants. Study Details The study included 347 carriers in the Netherlands who...
On June 23, the U.S. Food and Drug Administration (FDA) granted accelerated approval for dabrafenib (Tafinlar) plus trametinib (Mekinist) for the treatment of adult and pediatric patients aged 6 years and older with unresectable or metastatic solid tumors with a BRAF V600E mutation whose disease...
Investigators at the American Cancer Society presented results of several studies during poster sessions at the 2022 ASCO Annual Meeting. Summaries of a few of these studies are provided here. COVID-19 and Cancer Mortality According to a new study led by researchers at the American Cancer Society,...
In patients with locally advanced or metastatic pancreatic cancer and KRAS wild-type tumors, novel treatment with the monoclonal antibody nimotuzumab, which targets the epidermal growth factor receptor (EGFR), plus gemcitabine significantly improved overall survival and other outcomes over...
In an analysis from an NRG Oncology/Gynecologic Oncology Group phase II study (GOG-86P) reported in the Journal of Clinical Oncology, Thiel et al looked at outcomes in patients with advanced endometrial cancer treated with bevacizumab added to front-line chemotherapy. The investigators found that...
Researchers have, for the first time, identified genes that may predict response to a therapy for a blood cancer that can have serious side effects for some patients. The therapy, selinexor, is part of the treatment armamentarium for multiple myeloma, but the ability to target its use to patients...
In a study reported in JAMA Network Open, Timothy A. Yap, MBBS, PhD, FRCP, and colleagues found that a substantial proportion of patients with cancer types that lacked hereditary testing guidelines harbored germline pathogenic/likely pathogenic variants. Study Details The study included data from...
Gilberto de Lima Lopes, Jr, MD, MBA, of the Sylvester Comprehensive Cancer Center at the University of Miami, and Matthew Krebs, PhD, of The University of Manchester and The Christie NHS Foundation Trust, discuss results from the CHRYSALIS study. The trial showed that the bispecific antibody amivantamab-vmjw demonstrated antitumor activity, even after prior treatment, in patients with non–small cell lung cancer that exhibits the MET exon 14 skipping mutation (Abstract 9008).
Michael J. Overman, MD, of The University of Texas MD Anderson Cancer Center, and Smitha Krishnamurthi, MD, of the Cleveland Clinic, review three abstracts, all of which enrolled patients with newly diagnosed RAS and BRAF wild-type metastatic colorectal cancer with left-sided primary tumors. The discussion centers on what the study results indicate about the use of an EGFR therapy and weighing the risk to quality of life from rash, in particular (Abstracts LBA3503, LBA3504, LBA3505).
In a study reported in The New England Journal of Medicine, Liu et al found that hypomethylating therapy was associated with upregulation of the oncogene SALL4 in a high proportion of patients with myelodysplastic syndrome. They also identified the gene region that is demethylated and responsible...
FLT3-ITD–mutated acute myeloid leukemia (AML) is an aggressive disease usually resistant to available treatment options, resulting in high front-line response rates but short response durations and low survival rates. Quizartinib—a potent selective FLT3 inhibitor—can work synergistically with...
In a study reported in a research letter in JAMA Oncology, Nimgaonkar et al found that less than half of patients with urothelial cancer who had received first-line platinum-based therapy underwent testing for FGFR alterations and that less than half of patients with susceptible alterations...
Mutations in SF3B1 and U2AF1 can drive overexpression of activated IRAK4—which regulates inflammation and promotes cancer cell growth and survival—and are associated with a poor prognosis for patients with high-risk myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML). Emavusertib is a...
In a study presented at the 2022 ASCO Annual Meeting (Abstract 10502) and simultaneously published in JCO Precision Oncology, Veda N. Giri, MD, and colleagues found that Black men with prostate cancer exhibited a lower frequency and narrower spectrum of germline pathogenic or likely pathogenic...