Azithromycin Before Induction
Azithromycin to Prevent Chorioamnionitis in Women Undergoing Induction of Labor, a Randomized Control Trial
1 other identifier
interventional
400
1 country
1
Brief Summary
This is a double blinded randomized control trial involving administration of 2 grams prophylactic azithromycin in third trimester patients undergoing induction of labor at our institution to demonstrate reduction in maternal and neonatal infection.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1
Started Aug 2023
Typical duration for phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 7, 2023
CompletedFirst Submitted
Initial submission to the registry
August 5, 2024
CompletedFirst Posted
Study publicly available on registry
August 9, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 7, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
August 7, 2026
September 12, 2025
September 1, 2025
3 years
August 5, 2024
September 8, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Change in Composite Infection
single oral dose of Azithromycin given prior to the start of induction of labor will decrease rates of composite infection
Delivery and 6 weeks postpartum
Secondary Outcomes (1)
Change in Infection
Delivery and 6 weeks postpartum
Study Arms (2)
Azithromycin Arm
ACTIVE COMPARATORAdministration of 2 grams oral azithromycin (4 tablets of 500 mg) prior to the start of induction , once.
Placebo Arm
PLACEBO COMPARATORAdministration of 4 magnesium oxide tablets prior to the start of induction , once.
Interventions
Azithromycin 2 grams to be administered prior to start of induction for those randomized to intervention group
4 magnesium oxide tablets prior to the start of induction for those randomized to placebo
Eligibility Criteria
You may qualify if:
- Third trimester of pregnancy defined as 28 0/7 weeks or more
- Singleton pregnancy
- Age 18-45
- Induction of labor initiated for medical or obstetrical reason or electively over 39 weeks of gestation
- No contraindication to vaginal delivery
- Reassuring fetal heart rate tracing
- Able and willing to provide informed consent
You may not qualify if:
- Does not read or write in English or Spanish
- Unable or unwilling to give informed consent
- Use of antibiotic or antiviral agent within the last 7 days
- Evidence of active infection at the time of initiation of induction (patients with rectovaginal group B streptococcus positive results will be allowed to participate as it is a colonizing organism, unless they show evidence of active infection)
- Incarcerated Women
- Active substance abuse
- Age \< 18
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Arrowhead Regional Medical Center
Colton, California, 92324, United States
Related Publications (7)
Natality public-use data 2016-2018, on CDC WONDER Online Database. Division of Vital Statistics, 2020.
BACKGROUNDGrobman WA, Rice MM, Reddy UM, Tita ATN, Silver RM, Mallett G, Hill K, Thom EA, El-Sayed YY, Perez-Delboy A, Rouse DJ, Saade GR, Boggess KA, Chauhan SP, Iams JD, Chien EK, Casey BM, Gibbs RS, Srinivas SK, Swamy GK, Simhan HN, Macones GA; Eunice Kennedy Shriver National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network. Labor Induction versus Expectant Management in Low-Risk Nulliparous Women. N Engl J Med. 2018 Aug 9;379(6):513-523. doi: 10.1056/NEJMoa1800566.
PMID: 30089070BACKGROUNDGrobman WA, Caughey AB. Elective induction of labor at 39 weeks compared with expectant management: a meta-analysis of cohort studies. Am J Obstet Gynecol. 2019 Oct;221(4):304-310. doi: 10.1016/j.ajog.2019.02.046. Epub 2019 Feb 25.
PMID: 30817905BACKGROUNDWoodd SL, Montoya A, Barreix M, Pi L, Calvert C, Rehman AM, Chou D, Campbell OMR. Incidence of maternal peripartum infection: A systematic review and meta-analysis. PLoS Med. 2019 Dec 10;16(12):e1002984. doi: 10.1371/journal.pmed.1002984. eCollection 2019 Dec.
PMID: 31821329BACKGROUNDTita AT, Andrews WW. Diagnosis and management of clinical chorioamnionitis. Clin Perinatol. 2010 Jun;37(2):339-54. doi: 10.1016/j.clp.2010.02.003.
PMID: 20569811BACKGROUNDPierce SL, Peck JD, Zornes C, Standerfer E, Edwards RK. Antibiotic Prophylaxis to Prevent Obesity-Related Induction Complications in Nulliparae at Term: a pilot randomized controlled trial. Am J Obstet Gynecol MFM. 2022 Sep;4(5):100681. doi: 10.1016/j.ajogmf.2022.100681. Epub 2022 Jun 18.
PMID: 35728781BACKGROUNDTita AT, Szychowski JM, Boggess K, Saade G, Longo S, Clark E, Esplin S, Cleary K, Wapner R, Letson K, Owens M, Abramovici A, Ambalavanan N, Cutter G, Andrews W; C/SOAP Trial Consortium. Adjunctive Azithromycin Prophylaxis for Cesarean Delivery. N Engl J Med. 2016 Sep 29;375(13):1231-41. doi: 10.1056/NEJMoa1602044.
PMID: 27682034BACKGROUND
MeSH Terms
Conditions
Interventions
Intervention Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Masking Details
- Pharmacy will have data set with participants idea and placebo vs study drug. All others will be blinded.
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 5, 2024
First Posted
August 9, 2024
Study Start
August 7, 2023
Primary Completion (Estimated)
August 7, 2026
Study Completion (Estimated)
August 7, 2026
Last Updated
September 12, 2025
Record last verified: 2025-09