Actively Recruiting

Phase 3
Age: 18Years +
FEMALE
Healthy Volunteers
ID05651347

Antenatal Melatonin Supplementation for Neuroprotection in Severe Preterm Fetal Growth Restriction A Triple-blinded, Randomized, Placebo-controlled Trial on Early Childhood Neurodevelopmental Outcomes

Led by Monash University · Updated on 2025-06-06

336

Participants Needed

12

Research Sites

N/A

Total Duration

On this page

Sponsors

M

Monash University

Lead Sponsor

N

National Health and Medical Research Council, Australia

Collaborating Sponsor

AI-Summary

What this Trial Is About

Fetal growth restriction (FGR) affects many pregnancies and is linked to serious risks including stillbirth, preterm birth, and long-term developmental challenges such as cerebral palsy. This trial evaluates whether giving pregnant women melatonin can protect the fetal brain and improve neurodevelopmental outcomes in babies affected by early-onset severe FGR. The study is a triple-blind, randomized, placebo-controlled trial aiming to address the lack of treatments to enhance fetal wellbeing before birth. Participants will receive either melatonin tablets (10 mg three times daily for a total of 30 mg per day) or matching placebo tablets three times a day. The trial includes pregnancies diagnosed with severe FGR between 23 and 31 weeks gestation. Treatment continues until birth. The study is conducted across multiple centers, with participant groups randomized based on gestational age to allow sub-analysis of early and late onset FGR. Participants will be monitored throughout pregnancy with assessments of fetal growth and placental blood flow. After birth, children's neurodevelopment will be evaluated at 2 years of age using the Bayley-IV Cognitive scale. Researchers will also track side effects, maternal organ function, and fetal wellbeing until birth. The total participation duration varies depending on gestational age at enrollment and follow-up visits extend to 2-3 years of the child's life for outcome measurement.

CONDITIONS

Brief Title

Antenatal Melatonin Supplementation for Neuroprotection in Fetal Growth Restriction

Who Can Participate

Age: 18Years +
FEMALE
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Singleton pregnancy
  • Severe fetal growth restriction defined by abdominal circumference ≤3rd centile for gestational age or <10th centile with abnormal fetoplacental Doppler
  • Confirmed gestational age between 23 weeks 0 days and 31 weeks 6 days
  • Age 18 years or older
  • Understand English
Not Eligible

You will not qualify if you...

  • Known chromosomal or major structural fetal anomaly or non-placental cause of fetal growth restriction
  • Pregnancies requiring immediate delivery due to urgent fetal condition
  • Participation in another clinical trial with pharmaceutical or nutritional supplements affecting oxidative stress
  • Currently prescribed Fluvoxamine

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 screening and enrollment visit

Treatment

Duration - Up to 17 weeks or until birth

Participants receive melatonin or placebo tablets three times a day during pregnancy until birth to evaluate neuroprotective effects in fetal growth restriction.

Regular visits during treatment as determined by clinical care

Follow-up

Duration - 24 to 36 months corrected age

Participants and their children are followed up to assess neurodevelopmental outcomes at 2 years of age among survivors.

1 to 2 visits depending on neurodevelopmental assessment schedule

Trial Site Locations

Total: 12 locations

1

Royal Prince Alfred

Camperdown, New South Wales, Australia, 2050

Actively Recruiting

2

John Hunter Hospital

Newcastle, New South Wales, Australia, 2305

Actively Recruiting

3

Mater Misericordiae

South Brisbane, Queensland, Australia, 4101

Actively Recruiting

4

Gold Coast University Hospital

Southport, Queensland, Australia, 4215

Actively Recruiting

5

Women's and Children's Hospital

North Adelaide, South Australia, Australia, 5006

Actively Recruiting

6

Monash Health

Clayton, Victoria, Australia, 3168

Actively Recruiting

7

Mercy Hospital

Heidelberg, Victoria, Australia, 3084

Actively Recruiting

8

Royal Women's Hospital

Parkville, Victoria, Australia, 3052

Actively Recruiting

9

Joan Kirner Hospital

Saint Albans, Victoria, Australia, 3021

Actively Recruiting

10

Auckland Hospital

Auckland, New Zealand, 1023

Actively Recruiting

11

Middlemore Hospital

Auckland, New Zealand, 2025

Actively Recruiting

12

Wellington Regional Hospital

Wellington, New Zealand, 6021

Actively Recruiting

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Research Team

K

Kirsten Palmer, PhD

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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Published Research Related To This Trial

Protect-me: a parallel-group, triple blinded, placebo-controlled randomised clinical trial protocol assessing antenatal maternal melatonin supplementation for fetal neuroprotection in early-onset fetal growth restriction.

Kirsten R Palmer, Joanne C Mockler, Miranda L Davies-Tuck...

https://pubmed.ncbi.nlm.nih.gov/31230020