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Bitolterol
go.drugbank.com/drugs/DB00901ApprovedWithdrawnBitolterol mesylate was used to treat bronchospasms in asthma and COPD. It is a beta-2-adrenergic receptor agonist. Bitolterol was withdrawn from the market by Elan Pharmaceuticals in 2001.
Synonyms: bis(4-methylbenzoic acid) 4-[2-(tert-butylamino)-1-hydroxyethyl]-1,2-phenylene esterLofexidine
go.drugbank.com/drugs/DB04948ApprovedInvestigational[A33084] It was first studied for use as an antihypertensive in 1980, but its researched was stopped as it was found less effective for the treatment of hypertension than clonidine. … [T210] Lofexidine was then repurposed for the treatment of opioid withdrawal, as it was seen to be more economical and have fewer side effects than clonidine.
Protein C
go.drugbank.com/drugs/DB11312ApprovedInvestigationalOnce in its activated form, APC functions as a serine protease with potent anticoagulant effects, especially in the presence of its cofactor protein S. … Protein C is available in concentrated form as the product Ceprotin, which is indicated for use in pediatric and adult patients with severe congenital protein C deficiency for the prevention and treatment
Pamidronic acid
go.drugbank.com/drugs/DB00282ApprovedInvestigational[A203111] Pamidronic acid was first described in the literature in 1977. … [A203111] Pamidronic acid was granted FDA approval on 31 October 1991.[L13835]
Crizanlizumab
go.drugbank.com/drugs/DB15271ApprovedInvestigationalIt was developed by Novartis and was granted FDA approval on November 15, 2019. … [T734] Currently, patients are prescribed [hydroxyurea] to raise levels of fetal hemoglobin as a method of reducing morbidity and mortality.
Mangafodipir
go.drugbank.com/drugs/DB06796ApprovedInvestigationalWithdrawnThe contrast agent is present as mangafodipir trisodium marketed under the name Teslascan. … Teslascan has been removed from the Drug Product List by FDA in 2003, and withdrawn from the European market in 2012.
Sodium zirconium cyclosilicate
go.drugbank.com/drugs/DB14048ApprovedInvestigationalacts as a highly selective potassium removing agent. … [L2933] The treatment effect was maintained for up to 12 months.[L2933]
Serplulimab
go.drugbank.com/drugs/DB17451ApprovedInvestigationalIt was first approved in China - where it is indicated for a number of different cancers[L52963] - and has since been approved in several southeast Asian countries. … Most recently, it was approved in the EU in February 2025 for the treatment of extensive-stage small cell lung cancer.[L52968,L52953]
Chlormerodrin Hg-197
go.drugbank.com/drugs/DB09406ApprovedChlormerodrin Hg-197 is a radiolabelled form of chlormerodrin, an organomercury compound that was previously used as a diuretic. Its radiolabelled form was used as diagnostics in brain scans.
Methionine
go.drugbank.com/drugs/DB00134ApprovedInvestigationalNutraceuticalA sulfur containing essential amino acid that is important in many body functions. It is a chelating agent for heavy metals.
Mixtures: EAS ORAL 100 TABLET