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Azithromycin at birth: Single dose azithromycin shortly before birth - what is the impact on infection rates in high-risk mothers and babies? A randomised controlled trial

Azithromycin at birth: Single dose azithromycin shortly before birth - what is the impact on infection rates in high-risk mothers and babies? A randomised controlled trial

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12624000247572
Acronym
A@B
Enrollment
2
Registered
2024-03-13
Start date
2024-02-14
Completion date
2026-10-31
Last updated
2024-03-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

This trial will assess whether a single dose of azithromycin (or placebo) given shortly before birth will reduce maternal and infant infections requiring antibiotic intervention in the 6 weeks following the birth, Pregnant women will be randomised close to time of delivery, and followed up for 6 weeks. Nasopharyngeal and vaginal swabs will be collected to monitor the impact of azithromycin on colonisation and resistance. Primary outcome assessment of new infections will be done by review of clinical presentations at primary health care and hospital.

Interventions

A single 2g dose of oral azithromycin in the 24 hours prior to birth

Sponsors

Menzies School of Health Research
Lead SponsorOther

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Prevention
Masking
Blinded (masking used) (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
All
Age
16 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Age greater than or equal to 16 years of age 2. Pregnant Northern Territory Aboriginal and / or Torres Strait Islander women 3. Pregnant non-Indigenous women who have an operative or preterm birth (27-36 weeks) 4. Birthing at Royal Darwin Hospital

Exclusion criteria

1. Previously randomised 2. Azithromycin treatment within the last 7 days 3. Lack of access to a primary health provider in the NT 4. Allergy or hypersensitivity to azithromycin 5. Not able to provide informed consent 6. Gestation <26 weeks 7. Not available for assessment at 6 weeks 8. Women whose primary clinician intends to treat with azithromycin 9. A diagnosis of chorioamnionitis or intrapartum sepsis prior to randomisation with broad spectrum antibiotics planned for >48-72hrs

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026