{"id":"pib","safety":{"commonSideEffects":[{"rate":null,"effect":"Radiation exposure (minimal from diagnostic dose)"}]},"_chembl":{"chemblId":"CHEMBL93124","moleculeType":"Small molecule","molecularWeight":"256.33"},"_dailymed":{"setId":"7bf99777-0401-9095-8645-16c6e907fcc0","title":"MAVYRET (GLECAPREVIR AND PIBRENTASVIR) TABLET, FILM COATED MAVYRET (GLECAPREVIR AND PIBRENTASVIR) PELLET [ABBVIE INC.]"},"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"PiB is a carbon-11 labeled imaging agent that crosses the blood-brain barrier and selectively binds to fibrillar amyloid-beta aggregates in Alzheimer's disease and related neurodegenerative conditions. The radioactive tracer allows visualization and quantification of amyloid burden via PET imaging, facilitating early detection and monitoring of amyloid pathology in the brain. 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