Aztreonam

For research use only.

Catalog No.S1505 Synonyms: SQ 26776

2 publications

Aztreonam Chemical Structure

CAS No. 78110-38-0

Aztreonam (SQ 26776) is a synthetic monocyclic beta-lactam antibiotic, used to treat Gram-negative aerobic bacteria infection.

Selleck's Aztreonam has been cited by 2 publications

Purity & Quality Control

Choose Selective Bacterial Inhibitors

Biological Activity

Description Aztreonam (SQ 26776) is a synthetic monocyclic beta-lactam antibiotic, used to treat Gram-negative aerobic bacteria infection.
In vitro

Aztreonam causes significant suppression of human colony forming unit-erythroid (cfu-e), burst forming unit-erythroid (bfu-e) and colony forming unit-granulocyte macrophage (cfu-gm) at both peak and trough serum concentrations in human bone marrow cells. [1] Aztreonam is hydrolyzed at measurable rates by class A beta-lactamases, a TEM-2 type penicillinase and the Proteus vulgaris cephalosporinase with a broad substraterange. Aztreonam is extremely stable as to the typical class C cephalosporinase of Citrobacter freundii, and acts as a competitive and progressive inhibitor for the beta-lactamase. [2] Aztreonam (AZT) combined with clindamycin (CLDM) has synergistic effects on Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus pneumoniae, and Haemophilus influenzae, which are sensitive or quasi-sensitive to CLDM, in the presence of CLDM at MIC or sub-MIC. [3] Aztreonam reduces the cfu of some strains by 1 log unit without preserving the integrity of cystic fibrosis airway cell monolayers, while decreasing the biofilms of other clinical isolates by 4 log units and protecting the monolayers from being compromised. [4]

In vivo Aztreonam (300 mg/kg) results in a significant decrease in the content of hepatic microsomal P450, while no significant change is observed in hepatic cytochrome b5 content and NADPH-cytochrome c (P450) reductase activity. [5]

Protocol

Solubility (25°C)

In vitro DMSO 87 mg/mL (199.8 mM)
Water 11 mg/mL (25.26 mM)
Ethanol Insoluble

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 435.43
Formula

C13H17N5O8S2

CAS No. 78110-38-0
Storage powder
in solvent
Synonyms SQ 26776
Smiles CC1C(C(=O)N1S(=O)(=O)O)NC(=O)C(=NOC(C)(C)C(=O)O)C2=CSC(=N2)N

In vivo Formulation Calculator (Clear solution)

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Clinical Trial Information

NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT04775238 Recruiting Other: Silver nanoparticles|Other: Copper nanoparticles Nosocomial Infections Sohag University February 27 2021 Not Applicable
NCT03696290 Active not recruiting Drug: Aztreonam lysine|Other: Placebo Bronchiectasis Adult University of Dundee|Gilead Sciences October 19 2019 Phase 2
NCT03867734 Completed Drug: Aztreonam Gonorrhea of Pharynx|Gonorrhea University of Washington April 5 2019 Phase 2|Phase 3
NCT02655419 Completed Drug: ATM-AVI|Drug: Metronidazole Complicated Intra-Abdominal Infections cIAIs Pfizer|Innovative Medicines Initiative (IMI) COMBACTE-CARE May 19 2016 Phase 2
NCT02449031 Active not recruiting Drug: TOBI Podhaler|Drug: TOBI|Drug: Bethkis|Drug: Cayston Pseudomonas Aeruginosa in Cystic Fibrosis Mylan Inc.|Cystic Fibrosis Foundation May 5 2015 --

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID