Beta-lactam antibiotic of broad spectrum of action. Suppresses the synthesis of the bacterial cell wall and has a bactericidal effect against a wide range of gram-positive and gram-negative microorganisms, aerobic and anaerobic. Imipenem - a derivative of tienamycin, belongs to the group of carbapenems. Cilastatin sodium inhibits dehydropeptidase, an enzyme that metabolizes imipenem in the kidneys, which significantly increases the concentration of unchanged imipenem in the urinary tract. Cilastin does not have its own antibacterial activity, does not inhibit beta-lactamase bacteria.
Cilapenem is active against Pseudomonas aeruginosa, Staphylococcus aureus, Streptococcus faecalis and Bacteroides fragilis. Resistant to degradation by bacterial beta-lactamase, which makes it effective against many microorganisms, such as Pseudomonas aeruginosa, Serratia spp. and Enterobacter spp., which are resistant to most beta-lactam antibiotics. The antibacterial spectrum includes virtually all clinically relevant pathogens.Active in relation to:
- Gram-negative aerobic bacteria: Achromobacter spp., Acinetobacter spp. (before Mima-Herellea), Aeromonas hydrophila, Alcaligenes spp., Bordetella bronchicanis, Bordetella bronchiseptica, Bordetella pertussis, Brucella melitensis, Campylobacter spp., Capnocytophaga spp., Citrobacter spp. (including Citrobacter diversus, Citrobacter freundii), Eikenella corrodens, Enterobacter spp. (including Enterobacter aerogenes, Enterobacter agglomerans, Enterobacter cloacae), Escherichia coli, Gardnerella vaginalis, Haemophilus ducreyi, Haemophilus influenzae (including strains forming beta-lactamase), Haemophilus parainfluenzae, Hafnia alvei, Klebsiella spp (including Klebsiella oxytoca, Klebsiella ozaenae, Klebsiella pneumoniae), Moraxella spp., Morganella morganii (formerly Proteus morganii), Neisseria gonorrhoeae (including strains forming penicillinase), Neisseria meningitidis, Yersinia spp. (formerly Pasteurella), incl. Yersinia multocida, Yersinia enterocolitica, Yersinia pseudotuberculosis \ Plesiomonas shigelloides, Proteus spp. (including Proteus mirabilis, Proteus vulgaris), Providenda spp. (including Providenda alcalifaciens, Providenda rettgeri (formerly Proteus rettgeri), Providenda stuartii), Pseudomonas spp. (including Pseudomonas aeruginosa, Pseudomonas fluorescens, Pseudomonas pseudomallei, Pseudomonas putida, Pseudomonas stutzeri), Salmonella spp. (including Salmonella typhi), Serratia spp. (including Serratia marcescens, Serratia proteamaculans), Shigella spp:,
- Gram-positive aerobic bacteria: Bacillus spp., Enterococcus faecalis, Erysipelothrix rhusiopathiae, Listeria monocytogenes, Nocardia spp., Pediococcus spp., Staphylococcus aureus (including strains forming penicillinase), Staphylococcus epidermidis (including strains forming penicillinase), Staphylococcus saprophyticus, Streptococcus agalactiae, Streptococcus pneumoniae, Streptococcus pyogenes, Streptococcus Group C, Streptococcus Group G, greening streptococci including alpha and gamma-hemolytic strains);
- Gram-negative anaerobic bacteria: Bacteroides spp. (incl. Bacteroides distasonis, Bacteroides fragilis, Prevotella melaninogenica (formerly Bacteroides melaninogenicus), Bacteroides ovatus, Bacteroides thetaiotaomicronron, Bacteroides uniformis, Bacteroides vulgatus), Bilophila wadsworthia, Fusobacterium spp in t.ch. (Fusobacterium necrophorum, Fusobacterium nucleatum), Porphyromonas asaccharolytica (formerly Bacteroides asaccharolyticus), Prevotella bivia (formerly Bacteroides bivius), Prevotella disiens (formerly Bacteroides disiens), Prevotella intermedia (formerly Bacteroides intermedius), Veillonella spp.,
- Gram-positive anaerobic bacteria: Actinomyces spp., Bifidobacterium spp., Clostridium spp. (including Clostridium perfringens), Eubacter spp., Lactobacillus spp., Microaerophilic streptococcus, Mobiluncus spp., Peptococcus spp., Peptostreptococcus spp., Propionibacterium spp. (including Propionibacterium acne);
- other microorganisms: Mycobacterium fortuitum, Mycobacterium smegmatis.
Some Staphylococcus spp. (resistant to methicillin), Streptococcus spp. (Group D), Stenotrophomonas maltophilia, Enterococcus faecium and some strains Pseudomonas cepacia insensitive to imipenem. Effective against many infections caused by bacteria, resistant to cephalosporins, aminoglycosides, penicillins.
In vitro acts synergistically with aminoglycosides against certain strains Pseudomonas aeruginosa.