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Chromium Cr-51
go.drugbank.com/drugs/DB11140ApprovedInvestigationalChromium Cr-51 is an isotope of chromium that has been used as a radioactive label for decades. … It is used as a diagnostic radiopharmaceutical agent in nephrology to determine glomerular filtration rate,[A249765,A249770] and in hematology to determine red blood cell volume or mass, study the red
Etifoxine
go.drugbank.com/drugs/DB08986ApprovedWithdrawnIt is more effective than lorazepam as an anxiolytic, and has fewer side effects. Etifoxine has been associated with acute liver injury.
AZD-2836
go.drugbank.com/drugs/DB06031Investigational[A264853] The drug is being investigated for treatment of hepatitis C because AZD-2836 has in vitro anti-HCV activity.[A264858]
Opicapone
go.drugbank.com/drugs/DB11632ApprovedInvestigationalOpicapone was approved for use by the European Commission in June 2016 [L2339] and the FDA in April 2020.[L13772] It is marketed under the brand name Ongentys as once-daily oral capsules.
Fluorodopa (18F)
go.drugbank.com/drugs/DB13848ApprovedInvestigationalFluorodopa F 18 is a fluorinated analog of [levodopa] used as a diagnostic agent for positron emission tomography (PET) in the evaluation of Parkinsonian syndromes.
Methyclothiazide
go.drugbank.com/drugs/DB00232ApprovedWithdrawnA thiazide diuretic with properties similar to those of hydrochlorothiazide. (From Martindale, The Extra Pharmacopoeia, 30th ed, p825)
Baxdrostat
go.drugbank.com/drugs/DB19090ApprovedInvestigationalOn May 18, 2026, baxdrostat was approved by the FDA as a first-in-class aldosterone synthase inhibitor for the treatment of hypertension in combination with other antihypertensive drugs [L56189]. … Baxdrostat offers an upstream alternative to traditional mineralocorticoid receptor antagonists (MRAs), such as [spironolactone], which often induce off-target endocrine side effects like gynecomastia
Dactinomycin
go.drugbank.com/drugs/DB00970ApprovedInvestigationalAs a result of impaired mRNA production, protein synthesis also declines after dactinomycin therapy. (From AMA Drug Evaluations Annual, 1993, p2015)
Colistin
go.drugbank.com/drugs/DB00803ApprovedInvestigationalIt is composed of Polymyxins E1 and E2 (or Colistins A, B, and C) which act as detergents on cell membranes.
Zenocutuzumab
go.drugbank.com/drugs/DB15559ApprovedInvestigational[L56179] This approval was expedited following receipt of an FDA Commissioner’s National Priority Voucher. … [L51983] In May 2026, zenocutuzumab was granted additional approval by the US FDA for use in NRG1-positive cholangiocarcinoma.