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Procyclidine
go.drugbank.com/drugs/DB00387ApprovedInvestigationalA muscarinic antagonist that crosses the blood-brain barrier and is used in the treatment of drug-induced extrapyramidal disorders and in parkinsonism.
Nalidixic acid
go.drugbank.com/drugs/DB00779ApprovedWithdrawnNalidixic acid is a synthetic 1,8-naphthyridine antimicrobial agent with a limited bacteriocidal spectrum. It is an inhibitor of the A subunit of bacterial DNA gyrase.
Linerixibat
go.drugbank.com/drugs/DB11729ApprovedInvestigational[A275481, A275482] On March 19, 2026, linerixibat was approved by the FDA for the treatment of cholestatic pruritus in patients with primary biliary cholangitis (PBC). … [A275482, L56120] Linerixibat functions by interrupting the enterohepatic circulation of these bile acids, thereby reducing their systemic concentration.[A275482]
Enalaprilat
go.drugbank.com/drugs/DB09477ApprovedInvestigationalUsed in the treatment of hypertension, enalapril is an ACE inhibitor that prevents Angiotensin Converting Enzyme (ACE) from transforming angiotensin I into angiotensin II. … Removal of the problematic thiol group from captopril resulted in enalaprilat, which was then modified further with an ester to create the orally available pro-drug enalapril.
Abrocitinib
go.drugbank.com/drugs/DB14973ApprovedInvestigationalAtopic dermatitis is characterized by epidermal hyperplasia, skin barrier dysfunction, and the aberrant activation of immune cells. … [L39779] Health Canada also approved the use of abrocitinib in pediatric patients 12 years and older.[L42395]
Protamine sulfate
go.drugbank.com/drugs/DB09141ApprovedInvestigationalDespite the relative importance of protamine sulfate's medical indication, the medication can notoriously cause a variety of potentially rare but genuinely severe adverse effects that include systemic
Catridecacog
go.drugbank.com/drugs/DB09310ApprovedWhen activated by thrombin at the site of injury, the FXIII A2B2 pro-enzyme is cleaved resulting in activation of the catalytic A-subunit and dissociation from its carrier B-subunit. … from pooled human plasma.
Ramucirumab
go.drugbank.com/drugs/DB05578ApprovedInvestigationalIn contrast to other agents directed against VEGFR-2, ramucirumab binds a specific epitope on the extracellular domain of VEGFR-2, thereby blocking all VEGF ligands from binding to it. … By binding to VEGFR2, ramucirumab prevents binding of its ligands (VEGF-A, VEGF-C, and VEGF-D), thereby preventing VEGF-stimulated receptor phosphorylation and downstream ligand-induced proliferation,
Arachidonic Acid
go.drugbank.com/drugs/DB04557ApprovedInvestigationalWithdrawnIt is formed by the synthesis from dietary linoleic acid and is a precursor in the biosynthesis of prostaglandins, thromboxanes, and leukotrienes. [PubChem]
Neostigmine
go.drugbank.com/drugs/DB01400ApprovedInvestigationalVet approvedA cholinesterase inhibitor used in the treatment of myasthenia gravis and to reverse the effects of muscle relaxants such as gallamine and tubocurarine. Neostigmine, unlike physostigmine, does not cross the blood-brain barrier.
Synonyms: 3-Trimethylammoniumphenyl N,N-dimethylcarbamate