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Cancer PHGKB

Specific PHGKB|Cancer|Public Health Genomics and Precision Health Knowledge Base (PHGKB)
Last Posted: Apr 23, 2024
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Development and Validation of an 18-Gene Urine Test for High-Grade Prostate Cancer
(Posted Apr 21, 2024 8AM)

From the article: "Can a new 18-gene urinary test for high-grade prostate cancer (ie, grade group [GG] 2 or greater) improve prostate-specific antigen (PSA) screening outcomes relative to existing biomarker tests? Findings: In this diagnostic study including 761 men in the development cohort and 743 men in the validation cohort, novel cancer-specific and high-grade cancer-specific genes were identified from RNA sequencing data and optimally modeled in a development cohort, yielding an 18-gene test for high-grade prostate cancer. Applying a testing approach with 95% sensitivity for high-grade prostate cancer to an external validation population, use of the 18-gene test would have reduced the number of unnecessary biopsies performed relative to current guideline-endorsed tests. Meaning: The new 18-gene prostate cancer test may reduce more burdensome additional testing (eg, imaging and biopsy) while maintaining highly sensitive detection of high-grade cancer in patients undergoing PSA screening. "

Postpartum Breast Cancer and Survival in Women With Germline BRCA Pathogenic Variants
(Posted Apr 21, 2024 8AM)

From the article: "Is postpartum diagnosis an independent risk factor associated with mortality among patients with young-onset breast cancer with germline BRCA1/2 pathogenic variants (PVs)? Findings: This cohort study including 903 women with BRCA germline PVs found that a breast cancer diagnosis less than 10 years post partum was associated with higher risk of mortality compared with nulliparous women and women diagnosed at least 10 years post partum. Increased risk after childbirth varied, with highest risk at less than 5 years for women with ER-positive breast cancer vs 5 to less than 10 years for women with ER-negative breast cancer, and BRCA1 carriers had peak risk of mortality 5 to less than 10 years post partum, with no associations observed for BRCA2 carriers. Meaning: These findings suggest that a breast cancer diagnosis within 10 years of childbirth was independently associated with increased risk for mortality in patients with germline BRCA1/2 PVs, especially for carriers of BRCA1 PVs."

Clinical Application of Different Liquid Biopsy Components in Hepatocellular Carcinoma
J Xu et al, JPM, April 15, 2024 (Posted Apr 15, 2024 2PM)

From the abstract: "Hepatocellular carcinoma (HCC) is the most common form of primary liver cancer, usually occurring in the background of chronic liver disease. HCC lethality rate is in the third highest place in the world. Patients with HCC have concealed early symptoms and possess a high-level of heterogeneity. Once diagnosed, most of the tumors are in advanced stages and have a poor prognosis. The sensitivity and specificity of existing detection modalities and protocols are suboptimal. HCC calls for more sophisticated and individualized therapeutic regimens. Liquid biopsy is non-invasive, repeatable, unaffected by location, and can be monitored dynamically. It has emerged as a useable aid in achieving precision malignant tumor treatment."

Nucleic acid-based drugs for patients with solid tumours.
Sebastian G Huayamares et al. Nat Rev Clin Oncol 2024 4 (Posted Apr 10, 2024 8AM)

From the abstract: "The treatment of patients with advanced-stage solid tumours typically involves a multimodality approach (including surgery, chemotherapy, radiotherapy, targeted therapy and/or immunotherapy), which is often ultimately ineffective. Nucleic acid-based drugs, either as monotherapies or in combination with standard-of-care therapies, are rapidly emerging as novel treatments capable of generating responses in otherwise refractory tumours. These therapies include those using viral vectors (also referred to as gene therapies), several of which have now been approved by regulatory agencies, and nanoparticles containing mRNAs and a range of other nucleotides. "


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Disclaimer: Articles listed in the Public Health Knowledge Base are selected by Public Health Genomics Branch to provide current awareness of the literature and news. Inclusion in the update does not necessarily represent the views of the Centers for Disease Control and Prevention nor does it imply endorsement of the article's methods or findings. CDC and DHHS assume no responsibility for the factual accuracy of the items presented. The selection, omission, or content of items does not imply any endorsement or other position taken by CDC or DHHS. Opinion, findings and conclusions expressed by the original authors of items included in the update, or persons quoted therein, are strictly their own and are in no way meant to represent the opinion or views of CDC or DHHS. References to publications, news sources, and non-CDC Websites are provided solely for informational purposes and do not imply endorsement by CDC or DHHS.

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