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Roxithromycin
go.drugbank.com/drugs/DB00778ApprovedInvestigationalWithdrawnIt is marketed in Australia as a treatment for respiratory tract, urinary and soft tissue infections. … It was shown to be more effective against certain Gram-negative bacteria, particularly _Legionella pneumophila_.
International brands: Le Er Tai, Ren SuCentanafadine
go.drugbank.com/drugs/DB14841ApprovedInvestigationalreuptake inhibitor, positioning it as a new mechanistic option in a condition where response varies widely between individuals and many patients remain symptomatic on existing treatment. … [L63806,L63934] Established ADHD pharmacotherapy acts on norepinephrine and dopamine without a serotonergic component, and Otsuka describes centanafadine as the first and only approved norepinephrine-dopamine-serotonin
Sodium sulfide
go.drugbank.com/drugs/DB11159ApprovedInterestingly, sodium sulfide was shown to have some cardioprotective role against cardiac ischemia or reperfusion injury, as well as protect lungs against ventilator-induced lung injury [A27275]. … H2S is an endogenous gaseous transmitter that exhibits anti-inflammatory and antiapoptotic properties.
Loteprednol
go.drugbank.com/drugs/DB00873ApprovedInvestigationalWithdrawnLoteprednol is a corticosteroid. A more commonly used formulation of loteprednol is its ester, loteprednol etabonate.
Enlicitide
go.drugbank.com/drugs/DB22580ApprovedInvestigational[L63795] Enlicitide is indicated as an adjunct to diet and exercise to reduce LDL-C in adults with hypercholesterolemia, including heterozygous familial hypercholesterolemia (HeFH), and was studied in … [L63795] Enlicitide was developed by Merck Sharp & Dohme and received initial U.S. approval in 2026, marketed under the trade name LIPFENDRA.[L63795]
Ethylmorphine
go.drugbank.com/drugs/DB01466IllicitInvestigationalIt is metabolized in the liver by ethylmorphine-N-demethylase and used as an indicator of liver function. It is not marketed in the US but is approved for use in various countries around the world. … In the US it is a schedule II drug (single-entity) and schedule III drug (in combination products).
L523S
go.drugbank.com/drugs/DB06498InvestigationalAccording to Nemunaitis J., et al, "L523S is an immunogenic lung cancer antigen that has demonstrated preclinical safety when the gene is injected intramuscularly as an expressive plasmid (pVAX/L523S) … [A175909] It has been investigated as a lung cancer vaccine.
Ligelizumab
go.drugbank.com/drugs/DB11856Investigationalefficacy anti-IgE antibody therapy in the treatment of CSU has been previously established with omalizumab. … Similar in mechanism to [omalizumab], another IgE-directed monoclonal antibody, ligelizumab has a distinct binding epitope as compared to its peer (with a small degree of overlap) which appears to confer
Copper histidinate
go.drugbank.com/drugs/DB32041ApprovedIt was approved by the US FDA in January 2026 for the treatment of pediatric patients with Menkes disease.[L54993,L54998] … in severe systemic copper deficiency.
ALKS 27
go.drugbank.com/drugs/DB05752ExperimentalStudy showed that ALKS 27 was well-tolerated over a wide dose range, with no dose-limited effects observed. … ALKS 27 is an inhaled formulation of trospium chloride for the treatment of chronic obstructive pulmonary disease (COPD).