{"id":"13-c-methacetin","safety":{"commonSideEffects":[]},"_chembl":null,"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"This is a diagnostic agent, not a therapeutic drug. It is a carbon-13 labeled version of methacetin (acetaminophen metabolite) used in breath tests to evaluate liver function by measuring the rate of hepatic metabolism and CO2 production. The 13-C label allows non-invasive assessment of cytochrome P450 activity and overall hepatic reserve.","oneSentence":"13-C-Methacetin is a stable isotope-labeled tracer used to assess hepatic metabolic function and liver synthetic capacity.","_ai_confidence":"medium"},"_scrapedAt":"2026-03-28T00:56:16.639Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Assessment of hepatic metabolic function and liver synthetic capacity"},{"name":"Evaluation of cirrhosis severity and prognosis"},{"name":"Monitoring of liver disease progression"}]},"trialDetails":[{"nctId":"NCT00736840","phase":"PHASE3","title":"BreathID 13C-Methacetin Breath Test for Detecting Cirrhosis","status":"COMPLETED","sponsor":"Meridian Bioscience, Inc.","startDate":"2008-08","conditions":"Chronic Liver Disease","enrollment":414},{"nctId":"NCT03462576","phase":"","title":"Companion Protocol for Methacetin Breath Test (MBT) in Conatus Protocol IDN-6556-17","status":"TERMINATED","sponsor":"Meridian Bioscience, Inc.","startDate":"2017-06-28","conditions":"Decompensated Cirrhosis","enrollment":199},{"nctId":"NCT01851252","phase":"PHASE1","title":"MBT Versus HVPG in Identifying Responders to Portal Hypertension Therapy","status":"COMPLETED","sponsor":"Meridian Bioscience, Inc.","startDate":"2013-10","conditions":"Chronic Liver Disease, Cirrhosis, Esophageal Varices","enrollment":19},{"nctId":"NCT03439189","phase":"","title":"Companion Protocol for Methacetin Breath Test (MBT) in Conatus Protocol IDN-6556-14","status":"COMPLETED","sponsor":"Meridian Bioscience, Inc.","startDate":"2016-08-28","conditions":"NASH - Nonalcoholic Steatohepatitis, Cirrhosis, Portal Hypertension","enrollment":343},{"nctId":"NCT03611101","phase":"","title":"Companion Protocol for ¹³C-Methacetin Breath Tests in BMS: NCT03486899, NCT03486912 Referenced Trials","status":"COMPLETED","sponsor":"Meridian Bioscience, Inc.","startDate":"2018-05-04","conditions":"NASH - Nonalcoholic Steatohepatitis","enrollment":124},{"nctId":"NCT01785082","phase":"PHASE3","title":"Fast-track LiveR: Study for the Early Identification of Low-risk Patients After Partial Liver Resection by the LiMAx-test","status":"COMPLETED","sponsor":"Humedics GmbH","startDate":"2013-01","conditions":"Liver Failure","enrollment":149}],"_emaApprovals":[],"_faersSignals":[],"_approvalHistory":[],"publicationCount":38,"rwe":[],"genericFilers":[],"relatedDrugs":[],"labelChanges":[],"biosimilarFilings":[],"pricing":[],"formularyStatus":[],"manufacturing":[],"companionDiagnostics":[],"competitors":[],"timeline":[],"patents":[],"ownershipHistory":[],"trials":[],"biosimilars":[],"latestUpdates":[],"references":[],"tags":[],"ecosystem":[],"genericManufacturerList":[],"offLabel":[],"developmentCodes":[],"aliases":[],"phase":"phase_3","status":"active","brandName":"13-C-Methacetin","genericName":"13-C-Methacetin","companyName":"Humedics GmbH","companyId":"humedics-gmbh","modality":"Small molecule","firstApprovalDate":"","aiSummary":"13-C-Methacetin is a stable isotope-labeled tracer used to assess hepatic metabolic function and liver synthetic capacity. Used for Assessment of hepatic metabolic function and liver synthetic capacity, Evaluation of cirrhosis severity and prognosis, Monitoring of liver disease progression.","enrichmentLevel":3,"visitCount":0,"trialStats":{"total":0,"withResults":0},"verificationStatus":"verified","dataCompleteness":{"mechanism":true,"indications":true,"safety":false,"trials":true,"score":3}}