Levofloxacin, sold under the brand name Levaquin among others, is an antibiotic medication. It is used to treat a number of bacterial infections including acute bacterial sinusitis, pneumonia, H. pylori, urinary tract infections, chronic prostatitis, and some types of gastroenteritis. Along with other antibiotics it may be used to treat tuberculosis, meningitis, or pelvic inflammatory disease. Use is generally recommended only when other options are not available. It is available by mouth, intravenously, and in eye drop form.
Ketolides are antibiotics belonging to the macrolide group. Ketolides are derived from erythromycin by substituting the cladinose sugar with a keto-group and attaching a cyclic carbamate group in the lactone ring. These modifications give ketolides much broader spectrum than other macrolides. Moreover, ketolides are effective against macrolide-resistant bacteria, due to their ability to bind at two sites at the bacterial ribosome as well as having a structural modification that makes them poor substrates for efflux-pump mediated resistance.
Moxifloxacin is an antibiotic, used to treat bacterial infections, including pneumonia, conjunctivitis, endocarditis, tuberculosis, and sinusitis. It can be given by mouth, by injection into a vein, and as an eye drop.
2-Oxazolidone is a heterocyclic organic compound containing both nitrogen and oxygen in a 5-membered ring.
Dalbavancin, sold under the brand names Dalvance in the US and Xydalba in the EU among others, is a second-generation lipoglycopeptide antibiotic medication. It belongs to the same class as vancomycin, the most widely used and one of the treatments available to people infected with methicillin-resistant Staphylococcus aureus (MRSA).
Iclaprim is an antibiotic drug candidate that is active against Gram positive organisms. It is administered intravenously.
Dasotraline is a serotonin-norepinephrine-dopamine reuptake inhibitor (SNDRI) that was under development by Sunovion for the treatment of attention-deficit hyperactivity disorder (ADHD) and binge eating disorder (BED). Structurally, dasotraline is a stereoisomer of desmethylsertraline (DMS), which is an active metabolite of the marketed selective serotonin reuptake inhibitor (SSRI) antidepressant sertraline (Zoloft).
Ceftaroline fosamil (INN), brand name Teflaro in the US and Zinforo in Europe, is a cephalosporin antibiotic with anti-MRSA activity. Ceftaroline fosamil is a prodrug of ceftaroline. It is active against methicillin-resistant Staphylococcus aureus (MRSA) and other Gram-positive bacteria. It retains some activity of later-generation cephalosporins having broad-spectrum activity against Gram-negative bacteria, but its effectiveness is relatively much weaker. It is currently being investigated for community-acquired pneumonia and complicated skin and skin structure infection.
Linopristin/flopristin is an experimental drug candidate under development by Novexel. It is an oral streptogramin antibiotic that has potent in vitro activity against certain Gram-positive bacteria including methicillin resistant Staphylococcus aureus (MRSA), as well as the important respiratory pathogens including penicillin-, macrolide- and quinolone-resistant strains. It is a combination of linopristin and flopristin.
Solithromycin is a ketolide antibiotic undergoing clinical development for the treatment of community-acquired pneumonia and other infections.
Brilacidin, an investigational new drug, is a polymer-based antibiotic currently in human clinical trials, and represents a new class of antibiotics called host defense protein mimetics, or HDP-mimetics, which are non-peptide synthetic small molecules modeled after host defense peptides (HDPs). HDPs, also called antimicrobial peptides, some of which are defensins, are part of the innate immune response and are common to most higher forms of life. As brilacidin is modeled after a defensin, it is also called a defensin mimetic.
Ceftolozane/tazobactam, sold under the brand name Zerbaxa, is a combination antibiotic medication used for the treatment of complicated urinary tract infections and complicated intra-abdominal infections in adults. Ceftolozane is a cephalosporin antibiotic, developed for the treatment of infections with gram-negative bacteria that are resistant to conventional antibiotics. It was studied for urinary tract infections, intra-abdominal infections and ventilator-associated bacterial pneumonia.
Finafloxacin (Xtoro) is a fluoroquinolone antibiotic. In the United States, it is approved by the Food and Drug Administration to treat acute otitis externa caused by the bacteria Pseudomonas aeruginosa and Staphylococcus aureus.
Ceftazidime/avibactam, sold under the brand name Avycaz among others, is a fixed-dose combination medication composed of ceftazidime, a cephalosporin antibiotic, and avibactam, a β-lactamase inhibitor. It is used to treat complicated intra-abdominal infections, urinary tract infections, and pneumonia. It is only recommended when other options are not appropriate. It is given by injection into a vein.
Roluperidone (former developmental code names MIN-101, CYR-101, MT-210) is a 5-HT2A and σ2 receptor antagonist under development by Minerva Neurosciences for the treatment of schizophrenia. One of its metabolites also has some affinity for the H1 receptor. Pre-clinical findings provide evidence of the effect of roluperidone on Brain-Derived Neurotrophic Factor (“BDNF”), which has been associated with neurogenesis, neuroplasticity, neuroprotection, synapse regulation, learning and memory. As of May 2018, the drug was in phase III clinical trials. In May 2020, the shares of Minerva Neurosciences plummeted 67% after the trial "failed to meet its primary endpoint of reduction in negative symptoms, and key secondary endpoints of improvement in personal and social performance measurements." However, in August 2022 Minerva submitted a New Drug Application (NDA) to the Food and Drug Administration (FDA) for the approval of roluperidone for the treatment of schizophrenia. The NDA submission in 2022 followed successful completion of a phase III clinical trial which was published in early 2022. Minerva believed that the findings of this second trial supported the claim that the drug was an effective agent for the treatment of negative symptoms in schizophrenia. However, in October 2022, FDA sent Minerva a refusal to file letter pertaining to the New Drug Application for roluperidone for treating negative symptoms in schizophrenia patients.
Ridinilazole is an investigational small molecule antibiotic being evaluated for oral administration to treat Clostridioides difficile infection (CDI). In vitro, it is bactericidal against C. difficile and suppresses bacterial toxin production; the mechanism of action is thought to involve inhibition of cell division. It has properties which are desirable for the treatment of CDI, namely that it is a narrow-spectrum antibiotic which exhibits activity against C. difficile while having little impact on other normal intestinal flora and that it is only minimally absorbed systemically after oral administration. At the time ridinilazole was developed, there were only three antibiotics in use for treating CDI: vancomycin, fidaxomicin, and metronidazole. The recurrence rate of CDI is high, which has spurred research into other treatment options with the aim to reduce the rate of recurrence.
Lefamulin, sold under the brand name Xenleta, is an antibiotic medication used it to treat adults with community-acquired bacterial pneumonia. It is taken by mouth or by injection into a vein.
Mericitabine (RG-7128) is an antiviral drug, a deoxycytidine analog. It was developed as a treatment for hepatitis C, acting as a NS5B RNA polymerase inhibitor, but while it showed a good safety profile in clinical trials, it was not sufficiently effective to be used as a stand-alone agent. However mericitabine has been shown to boost the efficacy of other antiviral drugs when used alongside them, and as most modern treatment regimens for hepatitis C use a combination therapy of several antiviral drugs, clinical trials have continued to see if it can form a part of a clinically useful drug treatment program.
Cefiderocol, sold under the brand name Fetroja among others, is an antibiotic used to treat complicated urinary tract infections when no other options are available. It is indicated for the treatment of multi-drug-resistant Gram-negative bacteria including Pseudomonas aeruginosa. It is given by injection into a vein.
Imipenem/cilastatin/relebactam, sold under the brand name Recarbrio, is a fixed-dose combination medication used as an antibiotic. In 2019, it was approved for use in the United States for the treatment of complicated urinary tract and complicated intra-abdominal infections. It is administered via intravenous injection.
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