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Nitrofurantion Macrocrystals (Nitrofurantoin) - Summary



Nitrofurantoin Macrocrystals is a synthetic chemical of controlled crystal size. It is a stable, yellow, crystalline compound. Nitrofurantoin Macrocrystals is an antibacterial agent for specific urinary tract infections. It is available in 25 mg, 50 mg, and 100 mg capsules for oral administration.

Nitrofurantoin Macrocrystals is specifically indicated for the treatment of urinary tract infections when due to susceptible strains of Escherichia coli, enterococci, Staphylococcus aureus, and certain susceptible strains of Klebsiella and Enterobacter species.

Nitrofurantoin is not indicated for the treatment of pyelonephritis or perinephric abscesses.

To reduce the development of drug-resistant bacteria and maintain the effectiveness of Nitrofurantoin Macrocrystals and other antibacterial drugs, Nitrofurantoin Macrocrystals should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.

Nitrofurantoins lack the broader tissue distribution of other therapeutic agents approved for urinary tract infections. Consequently, many patients who are treated with Nitrofurantoin Macrocrystals are predisposed to persistence or reappearance of bacteriuria. Urine specimens for culture and susceptibility testing should be obtained before and after completion of therapy. If persistence or reappearance of bacteriuria occurs after treatment with Nitrofurantoin Macrocrystals, other therapeutic agents with broader tissue distribution should be selected. In considering the use of Nitrofurantoin Macrocrystals, lower eradication rates should be balanced against the increased potential for systemic toxicity and for the development of antimicrobial resistance when agents with broader tissue distribution are utilized.

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Published Studies Related to Nitrofurantion Macrocrystals (Nitrofurantoin)

One-day compared with 7-day nitrofurantoin for asymptomatic bacteriuria in pregnancy: a randomized controlled trial. [2009]
a 7-day regimen in eradicating asymptomatic bacteriuria during pregnancy... CONCLUSION: A 1-day regimen of nitrofurantoin is significantly less effective

A randomized, double-blind, placebo-controlled comparison of the effect of nitrofurantoin monohydrate macrocrystals on the development of urinary tract infections after surgery for pelvic organ prolapse and/or stress urinary incontinence with suprapubic catheterization. [2004]
randomized, double-blind, multicenter trial... CONCLUSION: Antibiotic prophylaxis with nitrofurantoin monohydrate macrocrystals

Comparison of single-dose fosfomycin and a 7-day course of nitrofurantoin in female patients with uncomplicated urinary tract infection. [1999]
This multicenter clinical trial compared single-dose fosfomycin tromethamine with a 7-day course of nitrofurantoin for the treatment of acute uncomplicated lower urinary tract infection (UTI) in female patients. Healthy females with symptoms of acute uncomplicated UTI were enrolled in a double-masked, randomized clinical trial.

A trial comparing low-dose, short-course ciprofloxacin and standard 7 day therapy with co-trimoxazole or nitrofurantoin in the treatment of uncomplicated urinary tract infection. [1999]
The study was undertaken to compare the safety and efficacy of twice-daily ciprofloxacin for 3 days with standard 7 day therapy with either co-trimoxazole or nitrofurantoin in the treatment of women with acute, uncomplicated urinary tract infections (UTI)... Ciprofloxacin also caused fewer episodes of nausea than either of the other agents (P < or = 0.01).

A short-term study of nitrofurantoin prophylaxis in children managed with clean intermittent catheterization. [1994]
CONCLUSION: Nitrofurantoin is an effective prophylactic agent during a 3-month

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Clinical Trials Related to Nitrofurantion Macrocrystals (Nitrofurantoin)

Study Comparing Nitrofurantoin to Fosfomycin for Acute Urinary Tract Infection in Women [Recruiting]
Developed before the establishment of a structured process for drug assessment, nitrofurantoin is now being prescribed frequently given the rise in multi-resistant gram-negative pathogens. Doubts remain regarding fosfomycin's long-term clinical effectiveness. A randomized, controlled trial is needed to explore the clinical effectiveness and better define the side effect profiles of both nitrofurantoin and fosfomycin. This multi-center open trial will randomize 600 non-pregnant women at three international sites (200 each in Poland, Switzerland, and Israel) at increased risk for carriage of resistant uropathogens and with suspicion of uncomplicated lower urinary tract infection to receive either oral nitrofurantoin 100 mg three times daily for 5 days or a single 3g dose of oral fosfomycin. Patients will be followed for clinical and bacteriologic response at days 14 and 28 post therapy completion. The study hypothesis holds that nitrofurantoin will be superior to fosfomycin in clinical efficacy at final follow-up.

Short Course Nitrofurantoin for Acute Cystitis [Completed]
The purpose of this research study is to determine what the cure rates are with a 5 day course of nitrofurantoin versus the more standard 3 day course of trimethoprim/sulfamethoxazone. The study will improve our knowledge of which antibiotic and what length of therapy is best for treatment of UTI, taking into account the problem of antibiotic resistance. Procedures subjects will undergo once they have read and signed the consent are: Questions about their medical and sexual history and current symptoms of UTI. They will be asked to provide a urine sample and then randomly assigned to one of the two treatment groups. will be obtained at each visit. If they were assigned to the nitrofurantoin treatment regimen, they will also be asked to collect a urine sample at home on the third day. If the subject develops recurrent urinary symptoms or does not have resolution of symptoms after completing the initial treatment course, they will be asked to return to the clinic and provide another urine sample for analysis. They will then be treated with another standard antibiotic at no cost to them and will be withdrawn from the study at that time. The study population is women ages 18-45 with acute symptoms of a UTI without a history of UTI in the past 6 weeks.

Nitrofurantoin and Urinary Tract Infections (UTIs) [Recruiting]
Urinary tract infection (UTI) is the most common complication after surgery for prolapse or urinary incontinence. UTIs are painful and have the potential to turn into kidney infections. We are asking women who self-catheterize after surgery to try either an antibiotic or a placebo pill so we can see if we can prevent UTIs without causing side effects. This study will not require any additional visits or blood draws. You will be asked to answer some questions, keep a brief diary of your experience, and immediately report any symptoms of a UTI to your doctor.

Efficacy and Safety of Nitrofurantoin in the Treatment of Uncomplicated Urinary Tract Infections in Adults [Completed]
The study aims to investigate bacteriological efficacy of a nitrofurantoin formulation given twice daily for seven days in the treatment of adult patients with microbiologically confirmed uncomplicated urinary tract infection. Additional study objectives are to evaluate clinical efficacy as well as safety and tolerability of the nitrofurantoin formulation.

Bioequivalence Study of Nitrofurantoin 100 mg Capsules Under Fed Conditions [Completed]
An open label, randomised, two-treatment, four-period, two-sequence, single-dose, crossover, fully replicated bioavailability study on Nitrofurantoin formulations comparing Nitrofurantoin 100 mg capsules of Ranbaxy Laboratories with Macrobid 100 mg capsules in healthy, adult, human subjects under fed conditions

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Page last updated: 2015-08-10

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