NCT05763693

Brief Summary

Nearly half of child deaths occur during the neonatal period, and 80% of those occur in babies with low birthweight. Although tremendous progress has been made towards reducing under-five mortality globally, declines in neonatal mortality lag behind those observed in older children. Low birthweight babies are at increased risk of poor outcomes compared to those who are term-appropriate for gestational age, including mortality, stunting, and growth failure. Recent evidence has demonstrated that the incidence of wasting and linear growth failure is highest between birth and 3 months of age, substantially earlier than previously thought. Interventions are urgently needed to improve outcomes in low birthweight babies; however, these interventions must not interfere with breastfeeding and thus some well-established interventions used to treat or prevent malnutrition in older children cannot be considered. The investigators recently demonstrated that biannual mass azithromycin distribution reduces all-cause childhood mortality by approximately 25% in infants aged 1-5 months, with stronger effects seen in underweight infants. This study did not include neonates due to the risk of infantile hypertrophic pyloric stenosis (IHPS) that has been hypothesized to be associated with macrolide use during early infancy. However, our study team documented only a single case of IHPS among 21,833 neonates enrolled in a trial of azithromycin versus placebo administered to neonates aged 8-27 days for prevention of infant mortality, documenting no major risk of IHPS associated with azithromycin. Here, the investigators propose an individually randomized trial where participants will receive a single oral dose of azithromycin (administered either during the neontal period or 21 days after enrollment), two does of oral azithromycin spaced 21 days apart, or two doses of placebo to evalute if azithromycin improves nutritional outcome and reduces infectious burden among neonates aged 1-27 days who are either low birthweight (\<2500 g at birth) or underweight (weight-for-age Z-score \< -2 at enrollment). The primary outcome will be weight-for-age Z-score at 6 months of age compared between arms. The investigators anticipate that the results of this study will provide definitive evidence on azithromycin as an early intervention for low birthweight/underweight neonates, who are at the highest risk of adverse outcomes.

Trial Health

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Trial Health Score

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

Enrollment
4,000

participants targeted

Target at P75+ for phase_4

Timeline
48mo left

Started Apr 2026

Longer than P75 for phase_4

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress3%
Apr 2026Apr 2030

First Submitted

Initial submission to the registry

February 24, 2023

Completed
14 days until next milestone

First Posted

Study publicly available on registry

March 10, 2023

Completed
3.1 years until next milestone

Study Start

First participant enrolled

April 1, 2026

Completed
4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2030

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2030

Last Updated

August 29, 2025

Status Verified

August 1, 2025

Enrollment Period

4 years

First QC Date

February 24, 2023

Last Update Submit

August 28, 2025

Conditions

Keywords

Low birth weightunderweight neonates

Outcome Measures

Primary Outcomes (1)

  • weight gain at 6 month of age

    Weight for Age Z score

    6 months

Secondary Outcomes (2)

  • IHPS

    21 days

  • Mortality at 6 months

    6 months

Study Arms (4)

Azithro-Azithro

ACTIVE COMPARATOR

A single oral dose of azithromycin (20 mg/kg) at baseline and a single oral dose of azithromycin (20 mg/kg) at the day 21 follow-up

Drug: Azithromycin at BaselineDrug: Azithromycin at Day 21

Azithro-Placebo

ACTIVE COMPARATOR

A single oral dose of azithromycin (20 mg/kg) at baseline and a single oral dose of matching placebo at the day 21 follow-up

Drug: Azithromycin at BaselineOther: Placebo at Day 21

Placebo-Azithro

ACTIVE COMPARATOR

A single oral dose of placebo at baseline and a single oral dose of azithromycin (20 mg/kg) at the day 21 follow-up

Drug: Azithromycin at Day 21Other: Placebo at Baseline

Placebo-Placebo

PLACEBO COMPARATOR

A single oral dose of placebo at baseline and a single oral dose of matching placebo at the day 21 follow-up

Other: Placebo at BaselineOther: Placebo at Day 21

Interventions

this group will be randomized to receive a single oral dose of azithromycin (20mg/kg) at baseline

Azithro-AzithroAzithro-Placebo

this group will be randomized to receive a single oral dose of azithromycin (20mg/kg) at the day 21 visit

Azithro-AzithroPlacebo-Azithro

this group will be randomized to receive Placebo at baseline

Placebo-AzithroPlacebo-Placebo

This group will be randomized to receive Placebo at the day 21 visit

Azithro-PlaceboPlacebo-Placebo

Eligibility Criteria

Age1 Day - 27 Days
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • Aged 1-27 days old
  • Birthweight \< 2500 g and/or weight-for-height Z score \<- 2 standard deviations at enrollment
  • Weigh at least 1500 g at time of enrollment
  • Able to feed orally
  • Family intends to stay in the study area for at least 6 months
  • Written informed consent from at least one caregiver
  • Afebrile
  • Caregiver at least 18 years old
  • No known allergy to macrolides
  • No hepatic failure manifested by neonatal jaundice
  • Not currently an inpatient at the clinic
  • Not being transferred to a hospital for clinical complications

You may not qualify if:

  • Birthweight \> 2500 g
  • Weigh less than 1500 g at time of enrollment
  • Unable to feed orally
  • Family planning to move within 6 months
  • Mother/ caregiver not willing to participate
  • Allergic to macrolides
  • Hepatic failure manifested by neonatal jaundice
  • Currently being seen as an inpatient at the clinic
  • Currently being transferred to a hospital for clinical complications

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Centre de Recherche en santé de Nouna

Nouna, BP02, Burkina Faso

Location

MeSH Terms

Conditions

Perinatal DeathCommunicable DiseasesMalnutrition

Condition Hierarchy (Ancestors)

Pregnancy ComplicationsFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesDeathPathologic ProcessesPathological Conditions, Signs and SymptomsInfectionsDisease AttributesNutrition DisordersNutritional and Metabolic Diseases

Study Officials

  • Catherine Oldenburg, ScD

    University of California, San Francisco

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Catherine Oldenburg, ScD

CONTACT

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
FACTORIAL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 24, 2023

First Posted

March 10, 2023

Study Start

April 1, 2026

Primary Completion (Estimated)

April 1, 2030

Study Completion (Estimated)

April 1, 2030

Last Updated

August 29, 2025

Record last verified: 2025-08

Data Sharing

IPD Sharing
Will not share

Locations