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PPROM Erythromycin Versus Azithromycin

Information source: University of Oklahoma
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Preterm Premature Rupture of Membranes

Phase: N/A

Status: Completed

Sponsored by: University of Oklahoma

Official(s) and/or principal investigator(s):
Eric Knudtson, MD, Principal Investigator, Affiliation: University of Oklahoma

Summary

Preterm Premature Rupture of Membranes (PPROM) is treated with an antibiotic, erythromycin or azithromycin, to prolong pregnancy. Erythromycin is taken for several days and can result in stomach upset in some patients, causing them to stop taking the medication. Therefore, azithromycin is often prescribed instead. Azithromycin is usually taken only once and stomach upset is not seen or greatly reduced. The goal of this study is to see if there is a difference between the antibiotic (azithromycin) compared to the antibiotic (erythromycin) in prolonging pregnancy in patients with Preterm Premature Rupture of Membranes (PPROM). The working hypothesis is that there is no difference in the clinical effectiveness between antibiotic regimens containing te macrolides azithromycin and erythromycin for prolonging latency in PPROM.

Clinical Details

Official title: Preterm Premature Rupture of Membranes: Erythromycin Versus Azithromycin. A Randomized Trial Comparing Their Efficacy to Prolong Latency

Study design: Observational Model: Cohort, Time Perspective: Prospective

Primary outcome: Time to delivery

Detailed description: The current standard regimen for PPROM patients between the gestational age of 24 0/7 and 32 0/7 weeks, is to administer ampicillin 2gm IV every 6hours for 48hrs followed by amoxicillin 250mg orally every 8 hours for 5 days, with erythromycin 250mg IV for 48hours followed by 500mg orally every 8hours for 5 days. Our study design would be a prospective randomized trial. Consented, eligible women will be randomized to receive ampicillin as above plus either azithromycin 1 gm orally at enrollment or erythromycin 250mg IV every 6 hours for 48hours followed by 500mg orally every 8hours for 5 days. Those who are unable to tolerate the 1gm of azithromycin within the first 30 minutes of administration, a 1000mg powder suspension will be given. In conjunction with standard protocol, a course of steroids for fetal lung maturity will be administered upon the treating staff's discretion, and all Group B Beta Streptococcus positive patients will be treated.

Eligibility

Minimum age: 18 Years. Maximum age: 50 Years. Gender(s): Female.

Criteria:

Inclusion Criteria:

- Pregnant women at least 18 years old

- Gestational age of 24 0/7 to 32 0/7 weeks

- Singleton gestation

- Randomization within 36 hours of rupture of membranes.

- Cervical dilation less than or equal to 4 cm.

Exclusion Criteria:

- Known lethal fetal anomaly

- Vaginal bleeding

- Maternal or fetal indication for delivery

- Diagnosis of chorioamnionitis on admission

- Cervical cerclage in place

- Placenta previa or other known placental anomalies

- Use of antibiotic therapy within 5 days.

- Allergy or other contraindications to erythromycin/azithromycin or steroid use.

Locations and Contacts

Additional Information

Starting date: September 2011
Last updated: January 15, 2013

Page last updated: August 23, 2015

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