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MedXY News/Pathology & Lab Medicine

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Pathology & Lab Medicine

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Postoperative Lymph ctDNA Outperforms Plasma in Predicting Early Recurrence of HPV-Independent Head and Neck Cancer

Research identifies postoperative lymphatic exudate as a superior source of ctDNA for detecting molecular residual disease in HPV-independent head and neck cancer. This proximal liquid biopsy significantly outperforms plasma in predicting l

Jan 13, 2026Sign in to read
news

FET-rearranged Myoepithelial Tumors: Why Epigenetics Demands a Shift from Carcinoma to Sarcoma Classification

A landmark study reveals that FET-rearranged myoepithelial tumors are epigenetically distinct from PLAG1-rearranged salivary and adnexal variants, suggesting they are closer to sarcomas than carcinomas, with significant clinical implication

Jan 12, 2026
news

Precision Post-CDK4/6i Management: Molecular Stratification Redefines Second-Line Therapy in HR+ Advanced Breast Cancer

This systematic review and network meta-analysis of 20 randomized trials demonstrate that molecular profiling for ESR1 and PI3K-AKT-PTEN alterations is essential for optimizing endocrine-based strategies after CDK4/6 inhibitor progression,

Jan 9, 2026Sign in to read
Clinical Updates

Low-Pass Whole Genome Bisulfite Sequencing for ctDNA Monitoring in Metastatic Colorectal Cancer: Insights from the VALENTINO Trial

This review evaluates the clinical utility of METER, a novel lp-WGBS workflow for ctDNA detection in RAS wild-type mCRC, demonstrating its prognostic value and cost-effectiveness in monitoring treatment response.

Jan 8, 2026
news

Beyond Detection: How ctDNA Dynamics Predict Treatment Success in Advanced Breast Cancer

The plasmaMATCH trial establishes ctDNA testing as a highly accurate tool for directing targeted therapies in advanced breast cancer. New data reveal that baseline ctDNA levels and early on-treatment dynamics serve as powerful prognostic ma

Jan 8, 2026
Clinical Updates

Precision Screening for Preclinical Alzheimer Disease: The Ascendance of Plasma p-tau217 as a Scalable Biomarker

This review synthesizes recent high-impact evidence on plasma p-tau217, demonstrating its superior utility in identifying amyloid pathology, predicting cognitive decline, and optimizing recruitment for primary prevention trials in cognitive

Jan 2, 2026
Neurology

Predicting Alzheimer’s Progression: The Power of Tau-Clinical Mismatch in Identifying Copathology and Resilience

This study demonstrates that the mismatch between tau burden and clinical symptoms identifies individuals with non-AD copathology or cognitive resilience. These findings offer a precision medicine framework for predicting disease trajectori

Dec 26, 2025Sign in to read
news

FDA Modernization Act 3.0: A Legislative Catalyst for the Post-Animal Testing Era in Clinical Pharmacology

The U.S. Senate’s unanimous passage of the FDA Modernization Act 3.0 marks a definitive shift in drug regulation, formally replacing ‘animal’ mandates with ‘nonclinical’ methodologies like organ-on-a-chip and A

Dec 23, 2025
news

Pathologic Response Predicts Disease-Free Survival in Neoadjuvant Immunotherapy for Mucosal HNSCC

A meta-analysis of 11 trials shows that partial and major pathologic responses after neoadjuvant immunotherapy significantly correlate with improved disease-free survival in mucosal HNSCC, suggesting these metrics serve as viable surrogate

Dec 22, 2025
Gastroenterology

Early‑Onset Colorectal Cancer: Parsing an Epidemiologic Artifact from True Molecular Signals — Toward a Clinically Actionable Molecular Taxonomy

Integrated analysis shows a 2013 NEN classification change inflated EOCRC counts in the youngest adults, while independent molecular studies reveal distinct hypermutated and non‑hypermutated EOCRC subtypes with higher MSI/TMB and pathway-sp

Dec 15, 2025
Neurology

Stage-specific Tau-PET Dynamics in Biological Alzheimer’s Disease: Implications for Trial Design and Outcome Selection

Longitudinal tau-PET accumulation follows distinct regional patterns across biological AD stages; aligning trial inclusion and outcome ROIs to baseline tau stage can substantially reduce sample sizes and improve power for disease-modifying

Dec 13, 2025
Cardiology

Common, Rare and Somatic Genetic Drivers Together Double 5‑Year Atrial Fibrillation Risk: Toward an Integrated Genomic Model (IGM‑AF)

A UK Biobank whole‑genome study finds polygenic, rare monogenic, and somatic (CHIP) variants each independently associate with incident atrial fibrillation (AF); combined genomic profiling plus clinical risk (CHARGE‑AF) improves discriminat

Dec 3, 2025Sign in to read
news

Preoperative Clues That Predict Who Will Receive Adjuvant Therapy After Surgery for Oral Cavity Cancer

In a multicenter cohort of 3,980 oral cavity squamous cell carcinoma patients, preoperative clinical and tumor features—including age, comorbidity, tumor subsite, size, clinical stage, and biopsy grade—predicted receipt and intensity of adj

Nov 22, 2025
Clinical Updates

Circulating Tumor DNA-Guided Adjuvant Therapy: Recent Advances and Clinical Implications (2021–2025)

This review synthesizes recent evidence (2021–2025) on circulating tumor DNA-guided adjuvant therapy, highlighting advances in personalized cancer management and emerging challenges.

Nov 13, 2025Sign in to read
Gastroenterology

ctDNA-Guided Adjuvant Therapy in Stage III Colon Cancer: DYNAMIC-III Validates Prognosis but Questions Intensification

The randomized phase 2/3 DYNAMIC-III trial shows that postoperative circulating tumor DNA (ctDNA) strongly stratifies recurrence risk in stage III colon cancer. ctDNA-guided de-escalation reduced oxaliplatin exposure and hospitalizations wi

Nov 13, 2025
news

ctDNA-Guided Adjuvant Therapy in Stage III Colon Cancer: Prognostic Validation but No Benefit from Chemotherapy Intensification — Key Findings from the DYNAMIC-III Randomized Phase 2/3 Trial

The DYNAMIC-III trial validates circulating tumor DNA (ctDNA) as a strong prognostic marker in stage III colon cancer. ctDNA-guided de-escalation reduced oxaliplatin exposure and hospitalizations with near-standard outcomes, but escalation

Nov 12, 2025
Diabetes & Endocrinology

Indole-3-Propionic Acid Bridges Gut Dysfunction and Diabetic Retinopathy — A Biomarker and Therapeutic Avenue

A Gut 2025 study identifies microbially produced indole-3-propionic acid (IPA) as a protective metabolite linking restored intestinal tryptophan handling to prevention of diabetic retinopathy in mice and associates low serum IPA with retino

Nov 9, 2025
Gastroenterology

Peripheral blood DNA methylation signatures show promise for predicting response to vedolizumab and ustekinumab in Crohn’s disease — EPIC‑CD findings

An epigenome-wide study (EPIC‑CD) identified peripheral blood DNA methylation panels that predicted response to vedolizumab and ustekinumab (validated AUC 0.75 each) but failed to predict adalimumab response. Models worked best in biologic‑

Nov 9, 2025
Infectious Diseases

Evaluating Self-Collected Urine and Vaginal Samples for HPV Genotyping in Cervical Cancer Screening Among Japanese Women

This study assesses the feasibility and performance of using self-collected urine and vaginal samples with the BD Onclarity® HPV assay for cervical cancer screening in Japanese women with abnormal cytology, highlighting concordance and sens

Oct 31, 2025
Gastroenterology

Liver Stiffness Measurement vs. Biochemical Response in Primary Biliary Cholangitis: Predicting Liver Decompensation with Precision

In primary biliary cholangitis, liver stiffness measurement (LSM) outperforms biochemical response in predicting first hepatic decompensation, emphasizing LSM’s pivotal role in clinical risk stratification despite frequent discordance

Oct 28, 2025
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