{"entity":{"id":"barium-sulfate","kind":"drug","name":"Barium sulfate oral contrast","aka":["barium sulfate","barium sulphate","Readi-Cat","E-Z-Paque","Varibar","Entero Vu","Tagitol V","barium swallow"],"tldr":"The chalky drink swallowed before some CT scans and X-rays so the gullet, stomach and bowel show up clearly.","summary":"Drugs@FDA lists Bracco's barium sulfate products under NDA 208143 (original approval 15 January 2016), including Readi-Cat 2, Liquid E-Z-Paque, Varibar, Entero Vu and Tagitol V. Readi-Cat 2 is indicated \"for use in computed tomography (CT) of the abdomen to delineate the gastrointestinal (GI) tract in adult and pediatric patients\"; Liquid E-Z-Paque for \"single contrast radiographic examinations of the esophagus, stomach, and small bowel\".","status":"approved","asOf":"2026-11-04","links":[{"label":"Drugs@FDA Barium sulfate products (NDA 208143)","url":"https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=208143"},{"label":"DailyMed label: Readi-Cat 2","url":"https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=d2d293d5-dcc9-0d3f-58ed-686ef0132d7c"},{"label":"DailyMed label: Liquid E-Z-Paque","url":"https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=2ecea1ab-66c8-4eb0-8503-6d6b41b51328"}],"tags":["contrast-agents-gaps-2026-11","diagnostic"],"related":[],"cancers":[],"sections":[],"technologies":["iodinated-contrast-media","ct"],"targets":[],"drugs":[],"companies":["bracco"],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"provenance":{"editedBy":"OnCo contrast agent gap fill (Drugs@FDA, FDA labels, DailyMed, EMA register, WHO ATC index)","editedOn":"2026-11-04"},"brand":"Readi-Cat 2","modality":"Barium sulfate contrast agent for X-ray and CT of the gut (oral)","mechanism":"Insoluble barium sulfate coats and fills the gut and absorbs X-rays, outlining the oesophagus, stomach and bowel.","approvals":[{"region":"US","year":2016,"indication":"CT of the abdomen to delineate the gastrointestinal tract; radiographic examination of the oesophagus, stomach and small bowel","note":"NDA 208143; Bracco"}],"mechanismSteps":[],"toxicity":[],"access":[],"regulatoryEvents":[]},"route":"/drugs/barium-sulfate/","neighbours":{"technology":[{"id":"ct","kind":"technology","name":"CT (computed tomography)","route":"/technologies/ct/"},{"id":"iodinated-contrast-media","kind":"technology","name":"Iodinated and barium contrast for CT and X-ray","route":"/technologies/iodinated-contrast-media/"}],"company":[{"id":"bracco","kind":"company","name":"Bracco (Bracco Imaging and Bracco Diagnostics)","route":"/companies/bracco/"}]}}