The U.S. Court of Appeals for the Federal Circuit has overturned a jury finding that Labcorp Inc. was entitled to damages of $4.7 million in a dispute with Qiagen Inc. The case presented another test of the doctrine of equivalents and affirmed that this doctrine has its limits where accusations of infringement are concerned.

The U.S. Supreme Court preserved the U.S. Preventative Services Task Force coverage mandate that requires payers to cover certain preventive services at no cost to patients in a 6-3 ruling. That’s very good news for many diagnostics companies including Exact Sciences Corp. and Guardant Health Inc. as well as companies that manufacture HIV pre-exposure prophylaxis (PReP) medications such as Gilead Sciences Inc.

Fujirebio Diagnostics Inc.’s Alzheimer’s disease assay received the U.S. FDA’s first clearance for a blood test for the debilitating neurodegenerative disease. Fujirebio’s Lumipulse G pTau217/ß-Amyloid 1-42 plasma ratio is indicated for the early detection of amyloid plaques associated with Alzheimer’s disease in symptomatic individuals aged 55 years and older.

Fujirebio Diagnostics Inc.’s Alzheimer’s disease assay received the U.S. FDA’s first clearance for a blood test for the debilitating neurodegenerative disease. Fujirebio’s Lumipulse G pTau217/ß-Amyloid 1-42 plasma ratio is indicated for the early detection of amyloid plaques associated with Alzheimer’s disease in symptomatic individuals aged 55 years and older.

For more than a decade, HIV remained the only sexually transmitted infection (STI) with U.S. FDA approval of at-home sample collection, but a growing number of tests for sexually transmitted infections have received the regulatory greenlight for patients to swab themselves in the privacy of their own homes in recent years. With STIs reaching levels not seen in decades, regulators and physicians hope that the move will increase diagnostic rates and reduce disease spread by overcoming stigma and access barriers.

Labcorp Holdings Inc. launched its new H5N1 bird flu molecular test for humans in the U.S. as an international outbreak of the disease continues to spread in cows and poultry – and people. As BioWorld reported recently, just one mutation would make the flu variant highly transmissible in humans.

Nowdiagnostics Inc. established an exclusive agreement with Labcorp Holdings Inc. for distribution of its First To Know syphilis test in the U.S. The test provides results in 15 minutes with as little as a single drop of blood. The test will be available to hospitals and clinicians by the end of 2024 and offered to patients directly through Labcorp Ondemand in 2025.

Sunbird Bio Inc.’s Neural EV-tau aggregate assay demonstrated 92% correlation with PET scans in identifying individuals with Alzheimer’s disease, a study presented at the Alzheimer’s Association International Conference in Philadelphia, on July 30 found.