Precision Medicine & Companion Diagnostics

Updated |3 min read

Blood-Based Biomarkers Are Transforming the Diagnosis of Alzheimer’s Disease

Real-world validation continues to reinforce the utility of blood-based biomarkers in Alzheimer’s disease for earlier and more accurate diagnosis
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FDA Clears Roche Test to Identify PTEN Loss in Prostate Cancer, Expanding Access to Targeted Therapy

Roche’s VENTANA PTEN (SP218) IHC companion diagnostic detects PTEN-deficient tumors in prostate adenocarcinoma, helping guide eligibility for TRUQAP (capivasertib) combination treatment in metastatic disease
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What Cell-Free DNA Means for Clinical Laboratories

CAP experts share insights on the clinical utility and evolving role of cfDNA in the clinical laboratory
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Mayo Clinic, Stanford Develop Blood Test to Predict Immunotherapy Response

The liquid biopsy uses cell-free DNA to map tumor microenvironments, helping identify which patients may benefit from immunotherapy across multiple cancer types
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FDA Launches Initiative to Advance Drug Repurposing for Unmet Medical Needs

The agency is particularly focused on new uses to treat chronic or rare diseases, substance use disorders
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Mass General Brigham Validates Polygenic Risk Score Tool for Predicting 8 Cardiovascular Conditions

New integrated polygenic risk score test, now available across the US, may help identify patients at elevated inherited risk for cardiovascular disease before traditional clinical factors emerge
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The Expanding Strategic Role of the Clinical Laboratory at the 31st Annual Executive War College

Once viewed as a support function, labs are now central to integration, performance improvement, and enterprise-wide decision-making
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Texas Children’s Launches Large-Scale Open Drug Discovery Platform for Alzheimer’s Therapies

The NIH-funded initiative combines high-throughput screening and AI, giving global researchers access to one of the largest Alzheimer’s discovery datasets
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Quest Expands Haystack MRD ctDNA Testing in City of Hope Cancer Trials

A multi-site study will evaluate how a ctDNA assay may support residual disease detection and treatment monitoring in solid tumors
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CAP Updates Cancer Protocols, Clarifies MMR/MSI Testing Discordance in New Article

The updates underscore shifts toward more standardized cancer reporting and more integrated interpretation of MMR/MSI testing in clinical decision-making
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A New Biomarker Helps Assess the Aggressiveness of Glioblastoma

Developed by the ITACA BDSLab, it can identify different patterns of tumor growth and independently predict patient survival
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AACR Calls on Congress to Once Again Summarily Reject the President’s Budget Proposal for NIH

The President’s FY2027 budget proposal includes devastating cuts of nearly $6 billion to NIH’s budget for lifesaving research
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