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Interferon alfa-2a
go.drugbank.com/drugs/DB00034ApprovedInvestigationalWithdrawnAn oral form is being developed by Amarillo Biosciences. … This protein is produced by recombinant DNA technology and resembles interferon secreted by leukocytes. It is used extensively as an antiviral or antineoplastic agent.
Xanthan gum
go.drugbank.com/drugs/DB11253ApprovedXanthan gum is a polysaccharide gum derived from* Xanthomonas campestris* by a pure-culture fermentation process and purified by recovery with isopropyl alcohol. … Xanthan gum is a direct food additive permitted for direct addition to food for human consumption by the FDA. It is used as a thickening agent and stabilizer in emulsions.
Etripamil
go.drugbank.com/drugs/DB12605ApprovedInvestigational[A275243, A275248] The nasal formulation of etripamil was first approved by the FDA on December 12, 2025 for the conversion of acute symptomatic episodes of paroxysmal supraventricular tachycardia (PSVT
REP8839
go.drugbank.com/drugs/DB05224ExperimentalREP8839 is a novel methionyl-tRNA synthetase (MetS) inhibitor being developed by Replidyne (GlaxoSmithKline licensed REP8839 to Replidyne in June of 2003).
Axatilimab
go.drugbank.com/drugs/DB16388ApprovedInvestigational[L51194] The mainstay of cGVHD treatment are systemic corticosteroids, but they are ineffective in 30-50% of cases. … [A264309] Axatilimab was approved by the FDA in August 2024 for the third-line treatment of cGVHD.
Berberine
go.drugbank.com/drugs/DB04115ApprovedInvestigationalWithdrawnIt is relatively toxic parenterally, but has been used orally for various parasitic and fungal infections and as antidiarrheal.
Xamoterol
go.drugbank.com/drugs/DB13781ApprovedIt modulates the sympathetic control of the heart but has no agonist action on β2-adrenoceptors.
Valrubicin
go.drugbank.com/drugs/DB00385ApprovedUsed in the treatment of the bladder cancer, valrubicin is administered by direct infusion into the bladder.
Moxifloxacin
go.drugbank.com/drugs/DB00218ApprovedInvestigationalBayer AG developed the drug (initially called BAY 12-8039) and it is marketed worldwide (as the hydrochloride) under the brand name Avelox (in some countries also Avalox) for oral treatment.
Phenindione
go.drugbank.com/drugs/DB00498ApprovedInvestigationalPhenindione has actions similar to warfarin, but it is now rarely employed because of its higher incidence of severe adverse effects. (From Martindale, The Extra Pharmacopoeia, 30th ed, p234)