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Mesoridazine
go.drugbank.com/drugs/DB00933ApprovedWithdrawnA phenothiazine antipsychotic with effects similar to chlorpromazine.
Mercaptopurine
go.drugbank.com/drugs/DB01033ApprovedInvestigationalIt interferes with nucleic acid synthesis by inhibiting purine metabolism and is used, usually in combination with other drugs, in the treatment of or in remission maintenance programs for leukemia. … An antimetabolite antineoplastic agent with immunosuppressant properties.
Ambenonium
go.drugbank.com/drugs/DB01122ApprovedWithdrawnAmbenonium is a cholinesterase inhibitor. It is used in the management of myasthenia gravis.
Aclidinium
go.drugbank.com/drugs/DB08897ApprovedAclidinium is an anticholinergic for the long-term management of chronic obstructive pulmonary disease (COPD). … It has a much higher propensity to bind to muscarinic receptors than nicotinic receptors. FDA approved on July 24, 2012.
Palifermin
go.drugbank.com/drugs/DB00039ApprovedInvestigationalPalifermin is a recombinant human keratinocyte growth factor (KGF). It is 140 residues long, and is produced using E. coli. Palifermin was granted FDA approval on 15 December 2004.[L17933]
Unoprostone
go.drugbank.com/drugs/DB06826ApprovedWithdrawnUnoprostone isopropyl is a prostaglandin analogue. Ophthalmic Solution 0.15% is a synthetic docosanoid. … The main indication of Unoprostane is treatment of glucoma.
Ziftomenib
go.drugbank.com/drugs/DB17171ApprovedInvestigational[A274738] This drug was approved by the FDA on November 13th, 2025, for the treatment of relapsed or refractory acute myeloid leukemia (AML) in adults with a susceptible NPM1 mutation who have no satisfactory … Ziftomenib is a potent and highly selective menin inhibitor.
Minocycline
go.drugbank.com/drugs/DB01017ApprovedInvestigationalMinocycline was first described in the literacture in 1966.[A190681] It is a second generation tetracycline antibiotic that is active against gram-negative and gram-positive bacteria. … [A190723] Minocycline was granted FDA approval on 30 June 1971.[L11695]
Cyclandelate
go.drugbank.com/drugs/DB04838ApprovedWithdrawnIt may cause gastrointestinal distress and tachycardia. Cyclandelate is not approved for use in the U.S. or Canada, but is approved in various European countries.
Avibactam
go.drugbank.com/drugs/DB09060ApprovedInvestigationalAvibactam is a non-β-lactam β-lactamase inhibitor that is available in combination with ceftazidime (Avycaz). … This combination was approved by the FDA on February 25, 2015 for the treatment of complicated intra-abdominal infections in combination with metronidazole, and the treatment of complicated urinary tract