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Treatment of Asymptomatic Bacteriuria in Pregnancy

S

Saint Joseph Mercy Health System

Status

Terminated

Conditions

Bacteriuria (Asymptomatic) in Pregnancy

Treatments

Drug: Cephalexin
Drug: Nitrofurantoin

Study type

Interventional

Funder types

Other

Identifiers

NCT02911662
HSR-16-1661

Details and patient eligibility

About

This is a prospective randomized controlled day comparing the efficacy of three-day antimicrobial treatment of asymptomatic bacteriuria (ASB) in pregnancy to the standard seven-day treatment. Half the patients will receive 3-day treatment and the other half will receive 7 days of antibiotics.

Full description

The current standard of practice is to treat pregnant patients with ASB with a 7-day course of oral antimicrobial agents. If bacteriuria persists women are retreated with the same of different agent for a second course of 7 to 14 days and they may be subsequently placed on prophylaxis.

In nonpregnant women, an uncomplicated lower urinary tract infection may be treated with a short course regimen from 1 to 3 days. This approach has similar rates of persistent bacteriuria or symptoms following treatment when compared to women treated with a more conventional approach. If the infection recurs or persists, the patient may then be treated with the more traditional 7 to 14 day course. The advantages of single-dose regimens are cost and patient compliance, but a major disadvantage is the failure to eradicate uropathogens from the vaginal reservoir, which results in more frequent early recurrences.

The three-day regimen is advocated to maintain the advantages of lower costs and patient compliance but improving cure rates. Multiple studies have shown the advantage of even a short course of antibiotics as opposed to no treatment.

Enrollment

13 patients

Sex

Female

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Pregnant women ≥ 18 years of age seeking prenatal care at the Academic Obstetrics and Gynecology Center at St. Joseph Mercy Hospital, Ann Arbor, Michigan
  • Randomization will occur if the patient every has a urine culture demonstrating ≥10,000 cfu/ml of a pathogenic urinary tract organism

Exclusion criteria

  • Symptomatic bacteriuria (cystitis or pyelonephritis) at the time of urine collection
  • Previously treated bacteriuria in current pregnancy
  • Past medical history of known congenital or acquired urinary tract anomaly or abnormality (i.e. pelvic kidney, single kidney, renal transplant)
  • Any antibiotic use within the week prior to urine sampling
  • Urine culture revealing growth of the following organisms: Lactobacillus, coagulase-negative staphylococcus

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

13 participants in 2 patient groups

3-day treatment
Experimental group
Description:
Three-day treatment with Cephalexin or Nitrofurantoin for diagnosis of asymptomatic bacteriuria in pregnancy.
Treatment:
Drug: Nitrofurantoin
Drug: Cephalexin
7-day treatment
Active Comparator group
Description:
Seven-day treatment with Cephalexin or Nitrofurantoin for diagnosis of asymptomatic bacteriuria in pregnancy.
Treatment:
Drug: Nitrofurantoin
Drug: Cephalexin

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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