NCT06543290

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

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
400

participants targeted

Target at P75+ for phase_1

Timeline
4mo left

Started Aug 2023

Typical duration for phase_1

Geographic Reach
1 country

1 active site

Status
recruiting

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 Progress92%
Aug 2023Aug 2026

Study Start

First participant enrolled

August 7, 2023

Completed
12 months until next milestone

First Submitted

Initial submission to the registry

August 5, 2024

Completed
4 days until next milestone

First Posted

Study publicly available on registry

August 9, 2024

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 7, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 7, 2026

Last Updated

September 12, 2025

Status Verified

September 1, 2025

Enrollment Period

3 years

First QC Date

August 5, 2024

Last Update Submit

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 COMPARATOR

Administration of 2 grams oral azithromycin (4 tablets of 500 mg) prior to the start of induction , once.

Drug: Azithromycin Pill

Placebo Arm

PLACEBO COMPARATOR

Administration of 4 magnesium oxide tablets prior to the start of induction , once.

Drug: Placebo

Interventions

Azithromycin 2 grams to be administered prior to start of induction for those randomized to intervention group

Azithromycin Arm

4 magnesium oxide tablets prior to the start of induction for those randomized to placebo

Placebo Arm

Eligibility Criteria

Age18 Years - 45 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

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

RECRUITING

Related Publications (7)

  • Natality public-use data 2016-2018, on CDC WONDER Online Database. Division of Vital Statistics, 2020.

    BACKGROUND
  • Grobman 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: 30089070BACKGROUND
  • Grobman 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: 30817905BACKGROUND
  • Woodd 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: 31821329BACKGROUND
  • Tita 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: 20569811BACKGROUND
  • Pierce 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: 35728781BACKGROUND
  • Tita 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

Infections

Interventions

Azithromycin

Intervention Hierarchy (Ancestors)

ErythromycinMacrolidesPolyketidesLactonesOrganic Chemicals

Central Study Contacts

Kristina Nalbandyan, DO

CONTACT

Kristina Roloff, DO

CONTACT

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
Model Details: The investigators propose a double blinded randomized control trial of patients scheduled to undergo induction of labor at our institution. Enrolled patients will be randomized to receive a single dose of 2 grams Azithromycin or placebo. Induction will proceed per hospital protocols and the primary and secondary outcomes will be obtained from chart review after delivery and will end 6 weeks postpartum
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

Locations