AHFS/Drugs.com Monograph Bioavailability ~0% CAS Number 56391-56-1 CAS ID 56391-56-1 | MedlinePlus a605011 Biological half-life 2.5 hours Molar mass 475.58 g/mol | |
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ATC code J01GB07 (WHO) S01AA23 (WHO) |
What does netilmicin mean
Netilmicin is a member of the aminoglycoside family of antibiotics. These antibiotics have the ability to kill a wide variety of bacteria. Netilmicin is not absorbed from the gut and is therefore only given by injection or infusion. It is only used in the treatment of serious infections particularly those resistant to gentamicin.
Contents
- What does netilmicin mean
- Available dosage forms
- Ingredients for 100 mgmL vial
- Comparison with drugs of the same therapeutic category
- References
Available dosage forms
Available dosage forms include:
Ingredients for 100 mg/mL vial
FDA approval date : February 28, 1983
Comparison with drugs of the same therapeutic category
According to the British National Formulary (BNF), netilmicin has similar activity to gentamicin, but less ototoxicity in those needing treatment for longer than 10 days.Netilmicin is active against a number of gentamicin-resistant Gram-negative bacilli but is less active against P. aeruginosa than gentamicin or tobramycin.
However, according to the below-mentioned studies, the above advantages are somehow controversial:
In summary, netilmicin has not been demonstrated to have significant advantages over other aminoglycosides (gentamicin, tobramycin, amikacin), and it is more expensive; thus, its potential value is limited. Drug Intelligence & Clinical Pharmacy: Vol. 17, No. 2, pp. 83-91.
We conclude that with once-daily dosing no benefit of netilmicin over gentamicin regarding nephro- or ototoxicity could be demonstrated. Journal of Antimicrobial Chemotherapy (1994) 33, 823-835.
We conclude that with once-daily treatment no benefit of netilmicin over gentamicin regarding nephro- or ototoxicity could be demonstrated. Clin Otolaryngol Allied Sci. 1995 Apr;20(2):118-23.
We conclude that aminoglycoside-associated ototoxicity was less severe and more often reversible with netilmicin than with tobramycin. Arch Intern Med. 1986 Dec;146(12):2329-34.
Animal studies have shown that dosing aminoglycosides once daily is more efficient and less nephrotoxic than the conventional multiple daily dosing regimens. Netilmicin and amikacin are the drugs most often used in clinical trials of once-daily dosing regimens. Ugeskrift for Lægerer. 1993 May 10;155(19):1436-41.
Because of its reduced toxicity and greater in vivo bactericidal activity, netilmicin may offer an advantage over gentamicin in the therapy of gram-negative bacillary meningitis. Antimicrob Agents Chemother. 1978 June; 13(6): 899-904.
The microbacteria isolated by standard culture techniques before therapy revealed Neisseria gonorrhoeae in 69% and 51% of the netilmicin and gentamicin groups, respectively; anaerobic organisms were cultured in about 75% of each group. Obstetrics & Gynecology 1979;54:554-557.
Presently available data suggest that netilmicin offers distinct advantages over older aminoglycosides. Final conclusions must await prospective randomized double-blind trials in man. J Int Med Res. 1978;6(4):286-99.
Nephrotoxicity comparisons of aminoglycosides in rats, utilizing large multiples of human doses, have indicated an advantage for netilmicin. However, no nephrotoxicity advantage of netilmicin has been demonstrated at the lower doses used in clinics. Antimicrob Agents Chemother. 1981 June; 19(6): 1024–1028.
Under the conditions of this study, at least a twofold (vestibular) to fourfold (cochlear) relative safety margin for ototoxicity was established in favor of netilmicin over tobramycin and gentamicin. Toxicol Appl Pharmacol. 1985 Mar 15;77(3):479-89.
In a crossover study, single doses of netilmicin and gentamicin were administered intramuscularly, each at 1.0 and 2.5 mg/kg. No significant differences were observed between the two drugs in disposition half-life, rate of distribution and elimination, area under the serum concentration-time curve, urinary excretion, total body clearance, and renal clearance. ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, Feb. 1980, p. 184-187. Schering-Plough Research Division, Bloomfield, New Jersey 07003.