positron emission tomography
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The Food and Drug Administration (FDA) is announcing the availability of a guidance entitled ``Media Fills for Validation of Aseptic Preparations for Positron Emission Tomography (PET) Drugs.'' This guidance is intended to help manufacturers of PET drugs meet the requirements for the Agency's current good manufacturing practice regulations for PET drugs.
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PET analyses using FDG to measure brain glucose metabolism and radiolabeled water to measure cerebral blood flow have been used to study the acute and chronic effects of alcohol in nonalcoholic control subjects, alcoholics, and people at risk of alcoholism (e.g., children of alcoholics).
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The Food and Drug Administration (FDA) is announcing the availability of a draft guidance entitled ``Investigational New Drug Applications for Positron Emission Tomography (PET) Drugs.'' The draft guidance is intended to assist manufacturers of PET drugs in submitting investigational new drug applications (INDs).
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While the earliest reliable noninvasive method, electroencephalography (EEG), used electrical signals to localize and quantify brain activity, measures of metabolic activity using positron emission tomography (PET) and single photon emission computed tomography (SPECT) followed a few decades later in the 1960s.7 EEG studies had exceptional benefits for revealing cognitive processing on the subsecond level, localizing epileptogenic foci, and monitoring patients with epilepsy. Penfield's corticography work enabled even more accurate measurements from recordings made directly from the cortex during neurosurgery.8 PET and SPECT have been used widely in basic research studies of neurotransmission and protein synthesis, further advancing our knowledge of neurodegenerative disorders, affectiv...
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The Food and Drug Administration (FDA) is announcing the availability of a draft guidance entitled ``FDA Oversight of PET Drug Products--Questions and Answers.'' The draft guidance provides questions and answers that address nearly all aspects of the FDA approval and surveillance processes, including application submission, review, compliance with good manufacturing practices, inspections, registration and listing, and user fees.
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CHESAPEAKE
The chemotherapy is over for Libby Ryder, and so is the waiting, the wondering, the "what if?" // The Positron Emission Tomography scan came back clean. That allows Libby, whose "don't waste your cancer" blog is approaching 280,000 hits, to tell her husband and the world : "I 'm cancer free.
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