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Updated: Sep 21, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
Published on: February 9, 2011
[Results of application of CS-1170 to pediatric infections (author's transl)]
Insights
CS-1170 demonstrated effectiveness in all 11 infection cases, including respiratory and urinary tract infections. This new antibiotic shows promise, especially against resistant E. coli, with no observed side effects.
Area of Science:
- Pharmacology and Infectious Diseases
Context:
- CS-1170 is an antibiotic investigated for treating bacterial infections.
- Previous treatments showed limitations against certain resistant bacterial strains.
Purpose:
- To evaluate the clinical efficacy and safety of CS-1170 in patients with various bacterial infections.
Summary:
- CS-1170 was administered to 11 patients with respiratory infections, urinary-tract infections, and subacute bacterial endocarditis.
- The drug was effective in all cases, with notable success in bronchopneumonia and two E. coli urinary-tract infections resistant to other antibiotics.
- CS-1170 exhibited strong activity against beta-lactamase-producing bacteria, including ampicillin- and cefazolin-resistant E. coli.
Impact:
- The findings highlight CS-1170's clinical significance and utility, particularly for infections caused by multidrug-resistant bacteria.
- The absence of observed side effects suggests a favorable safety profile for CS-1170.
Abstract:
CS-1170 was administered in a total of 11 cases including respiratory infections, urinary-tract infections, and subacute bacterial endocarditis. It was effective in all of the cases; markedly effective in a case of bronchopneumonia with underlying Down's syndrome and infantile spasm and in 2 cases of urinary-tract infections with E. coli. The fact that it was effective for urinary-tract infection with E. coli which showed no sensitivity to ampicillin or cefazolin demonstrates the clinical significance and usefulness of CS-1170 which is said to have a strong antibacterial activity for bacterial producing beta-lactamase. No side effect was observed.
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