WithdrawnPhase 3

Study of Thyroid Hormones in Prematures

Stopped: not funded by NIH

United States0Started 2020-07-01

Plain-language summary

The investigators hypothesize that continuous infusion of 4 µg/Kg/day T4 with 30 µg/Kg/day oral potassium iodide (KI) for 42 days from birth will reduce by 30% or more (from an estimated 30% to 21%) the proportion of extremely low gestational age subjects with a composite endpoint of "cerebral palsy (CP) or a Bayley III Composite Cognitive Score \< 85" at 36 months corrected postnatal age (CA).

Who can participate

Age range

1 Hour – 24 Hours

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion criteria

. Neonates 24 0/7 to 27 6/7 weeks gestational age
. inborn or transferred; \< 24 hours old

Exclusion criteria

. Maternal or congenital thyroid disease or
. Maternal substance abuse by history at the time of birth (heroin or cocaine)
. Major congenital or surgical malformations of neonate
. Known chromosomal anomalies detected by antepartum testing or direct physical examination
. Absence of parental consent or treating physician assent

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Compare incidence of a COMPOSITE endpoint of "cerebral palsy (CP) or a Bayley III Composite Cognitive Score < 85" at 36 months corrected postnatal age (CA).

Timeframe: 36 months

Trial details

NCT IDNCT02103998

SponsorNew York Medical College

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2025-05

View on ClinicalTrials.gov More Transient Hypothyroxinemia of Prematurity (THOP) trials