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Leflunomide
go.drugbank.com/drugs/DB01097ApprovedInvestigationalLeflunomide was approved by FDA and in many other countries (e.g., Canada, Europe) in 1999.
Synonyms: 4-ISOXAZOLECARBOXAMIDE, 5-METHYL-N-(4-(TRIFLUOROMETHYL)PHENYL)-, 5-Methyl-N-(4-(trifluoromethyl)phenyl)-4-isoxazolecarboxamideBretylium
go.drugbank.com/drugs/DB01158ApprovedBretylium blocks the release of noradrenaline from the peripheral sympathetic nervous system, and is used in emergency medicine, cardiology, and other specialties for the acute management of ventricular … Recent evidence has shown that bretylium may also inhibit the Na,K-ATPase by binding to the extracellular K-site.
Synonyms: 2-bromo-N-ethyl-N,N-dimethylbenzenemethanaminium, N-ethyl-N,N-dimethyl-2-bromobenzenemethanaminiumDicoumarol
go.drugbank.com/drugs/DB00266ApprovedIn addition to its clinical use, it is also used in biochemical experiments as an inhibitor of reductases. … Dicoumarol is an oral anticoagulant agent that works by interfering with the metabolism of vitamin K.
Regorafenib
go.drugbank.com/drugs/DB08896ApprovedInvestigationalFDA approved on September 27, 2012. Approved use of Regorafenib was expanded to treat Hepatocellular Carcinoma in April 2017. … Regorafenib is an orally-administered inhibitor of multiple kinases.
Hetacillin
go.drugbank.com/drugs/DB00739ApprovedVet approvedWithdrawnHetacillin has in vitro activity against gram-positive and gram-negative aerobic and anaerobic bacteria. … Hetacillin is a penicillin beta-lactam antibiotic used in the treatment of bacterial infections caused by susceptible, usually gram-positive, organisms.
Pentoxyverine
go.drugbank.com/drugs/DB11186ApprovedWithdrawnIt is an active ingredient in over-the-counter cough suppressants in combination with guaifenesin and H1-receptor antagonists [A32160]. … Pentoxyverine acts on sigma-1 receptors, as well as kappa and mu-opioid receptors. The FDA withdrew the use of all oral gel drug products containing pentoxyverine citrate.
Smallpox (Vaccinia) Vaccine, Live
go.drugbank.com/drugs/DB14711ApprovedInvestigational[L12747] In August 2024, ACAM2000 was additionally approved for the prevention of mpox infection in high-risk individuals.[L51499] … [L12747] ACAM2000, a percutaneously administered smallpox vaccine that was approved by the FDA in 2007, contains live antigens of this strain.
Categories: Complex MixturesIsosorbide dinitrate
go.drugbank.com/drugs/DB00883ApprovedInvestigationalA vasodilator used in the treatment of angina pectoris. Its actions are similar to nitroglycerin but with a slower onset of action.
Categories: Vasodilators Used in Cardiac DiseasesIdoxuridine
go.drugbank.com/drugs/DB00249ApprovedWithdrawnAn analog of deoxyuridine that inhibits viral DNA synthesis. The drug is used as an antiviral agent.
Epcoritamab
go.drugbank.com/drugs/DB16672ApprovedInvestigational[L46516,L46556] In September 2023, epcoritamab was also approved in the EU for the same indication. … [L49464] In November 2025, epcoritamab in combination with rituximab and lenalidomide was approved by the FDA for adult patients with relapsed or refractory follicular lymphoma.[L54713]