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Organic diet in pregnancy may lower pesticide exposure, small study hints

NCT ID NCT05269225

Knowledge-focused Sponsor: Per Ole Iversen, MD Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study looks at whether eating organic foods during pregnancy changes pesticide levels in the mother's urine and affects health markers like cholesterol. About 100 pregnant women will be randomly assigned to eat organic or conventional foods, following Norway's dietary guidelines. Both mothers and children will be followed until the child turns two. The goal is to understand if an organic diet can reduce pesticide exposure and improve health outcomes.

What this could mean

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

Active substance
Organic foods
What this could lead to
If it works, this could show that eating organic during pregnancy reduces pesticide exposure and may improve health markers for mother and child.
What could go wrong
This is a small, early-stage study with only 100 participants, so results may not apply to everyone. It looks at markers, not direct health outcomes, so benefits are uncertain.

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 100 people

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

Started

May 2022

Expected to finish

Dec 2027

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

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Nulli- or multipara pregnant in first trimester Exclusion Criteria: * Consuming an organic diet regularly * Using medication regularly that might interfere with study adherence or - outcomes * Diagnosed with a chronic disorder or cancer * Having a food allergy or intolerance

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Conditions

The condition(s) this trial relates to.

nutritional disorder

As listed by the trial registrant

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

Nutrition

Contacts and locations

Locations

  • University of Oslo

    Oslo, 0317, Norway

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Other studies related to the condition(s) this trial covers.