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Could cocoa and veggies protect against pregnancy complications?

NCT ID NCT07656532

Disease control Sponsor: University of Salamanca Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This trial investigates whether a diet rich in polyphenols—including daily cocoa and extra fruits and vegetables—can reduce oxidative stress and improve blood vessel function in pregnant women. Researchers will randomly assign 60 pregnant women to receive dietary counseling and cocoa or standard care. The goal is to see if this approach lowers the risk of conditions like gestational diabetes and high blood pressure.

What this could mean

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

Active substance
natural non-alkalized cocoa and dietary counseling
What this could lead to
If it works, this could point toward a simple dietary approach to lower risks of gestational diabetes and high blood pressure during pregnancy.
What could go wrong
This is a small early-stage trial (60 participants) testing biomarkers, not clinical outcomes. Results may not lead to clear health benefits or apply to all pregnant women.

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 60 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Oct 2028

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 years and older

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: * Pregnant women aged 18 years or older. * Singleton pregnancy. * Gestational age between 8 and 11 weeks at enrollment. * Receiving prenatal care within the Salamanca Health Area. * Able to understand the study information and provide written informed consent. * No clinical restrictions that would contraindicate dietary modifications. Exclusion Criteria: * Medical or obstetric conditions that contraindicate dietary modifications. * Active metabolic, renal, or hepatic disease. * Severe hyperemesis gravidarum or gastrointestinal disorders limiting food intake. * Allergy or intolerance to cocoa. * Habitual high cocoa or chocolate consumption (\>30 g/day). * Multiple pregnancy. * Severe obstetric complications diagnosed before enrollment. * Inability to comply with study procedures, attend follow-up visits, or communication barriers that could interfere with participation.

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Conditions

The condition(s) this trial relates to.

gestational diabetes hypertension, pregnancy-induced preeclampsia

As listed by the trial registrant

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

Endothelial dysfunction Gestational diabetes mellitus (GDM) Hypertension, pregnancy induced Oxidative stress Preeclampsia Pregnancy

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 de Salamanca

    Salamanca, SALAMANCA, 37007, Spain

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