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Dark chocolate may soothe fetal distress, new study suggests

NCT ID NCT07418151

Symptom relief Sponsor: Universidad Nacional Autonoma de Honduras Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether giving pregnant women a single dose of dark chocolate (30g, at least 80% cocoa) can improve their baby's heart rate pattern during a non-stress test. 190 women with a non-reactive test will be randomly assigned to eat dark chocolate or a sugar-free white chocolate placebo. The main goal is to see if more babies show a healthy heart rate response within 20 minutes after the chocolate.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
dark chocolate (≥80% cocoa)
What this could lead to
If it works, this could offer a simple, pleasant way to improve fetal well-being during pregnancy monitoring.
What could go wrong
This is a small, early-stage trial. The effect may be small or no different from placebo, and results may not apply to all pregnancies.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 190 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Sep 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 49 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Singleton pregnancy between 36+0 and 41+6 weeks of gestation. * Baseline Non-Stress Test (NST) classified as non-reactive after a standard 20-minute recording (absence of ≥2 accelerations of ≥15 beats per minute lasting ≥15 seconds). * Intact amniotic membranes and not in active labor (cervical dilation \<4 cm, with absent or irregular contractions). * Ability to provide written, informed consent. * Literacy: Ability to read and write (to ensure comprehension of the consent form and study materials). * Access to a telephone or electronic device for the 24-hour safety follow-up contact. Exclusion Criteria: 1. Pregnancy-related exclusions: * Multiple gestation (twins, triplets, etc.). * Known major fetal malformation. * Diagnosis of severe fetal growth restriction with abnormal umbilical artery Doppler. * Premature rupture of membranes. * Active vaginal bleeding or placenta previa with hemorrhage. * Suspected or confirmed chorioamnionitis. 2. Maternal medical exclusions: * Severe preeclampsia, eclampsia, or HELLP syndrome. * Uncontrolled severe hypertension. * Pregestational diabetes or gestational diabetes requiring insulin or other antihyperglycemic medication. * Capillary blood glucose level \>140 mg/dL at the time of screening. * Maternal fever ≥38°C or maternal tachycardia \>120 beats per minute. 3. Interference with test interpretation: * Use of sympathomimetic drugs within 12 hours prior to the study intervention. * Maternal cardiac arrhythmias. 4. Contraindications to the intervention: * Known allergy to cocoa or chocolate. * Severe caffeine intolerance. * Phenylketonuria. * Gastrointestinal conditions that would prevent oral intake (e.g., intractable vomiting, ileus, obstruction).

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Conditions

The condition(s) this trial relates to.

Fetal Distress

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Fetal distress

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Hospital San Felipe

    RECRUITING

    Tegucigalpa, Francisco Morazán Department, 11101, Honduras

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