{"id":"pet-ct-with-18f-dopa","safety":{"commonSideEffects":[{"rate":null,"effect":"Radiation exposure"},{"rate":null,"effect":"Allergic reaction to tracer"}]},"_chembl":{"chemblId":"CHEMBL233133","moleculeType":"Protein","molecularWeight":"1019.26"},"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"18F-DOPA (fluorine-18 L-DOPA) is a radiolabeled amino acid precursor of dopamine that crosses the blood-brain barrier and is taken up by dopaminergic neurons via the large neutral amino acid transporter. Once internalized, it is converted to 18F-dopamine by aromatic amino acid decarboxylase, allowing PET/CT imaging to detect and measure dopaminergic neuron integrity and function. This enables diagnostic assessment of conditions affecting the nigrostriatal dopaminergic system.","oneSentence":"18F-DOPA is a positron emission tomography (PET) tracer that accumulates in dopamine-producing tissues, allowing visualization and quantification of dopaminergic function in the brain.","_ai_confidence":"medium"},"_scrapedAt":"2026-03-28T00:49:48.370Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Parkinson's disease and parkinsonian syndromes (differential diagnosis)"},{"name":"Neuroendocrine tumors (carcinoid, pheochromocytoma)"},{"name":"Movement disorders with suspected dopaminergic dysfunction"}]},"trialDetails":[{"nctId":"NCT00004847","phase":"PHASE1","title":"Diagnosis of Pheochromocytoma","status":"RECRUITING","sponsor":"Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)","startDate":"2000-03-22","conditions":"Pheochromocytoma, Endocrine Disease, Endocrine 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