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5-Day product swap may cut harmful chemicals in body

NCT ID NCT04919434

Knowledge-focused Sponsor: Institut National de la Santé Et de la Recherche Médicale, France 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 using special personal care products for just 5 days can reduce levels of certain chemicals (phthalates, phenols, glycol ether) in urine. Researchers will track 107 women aged 18-30 in Grenoble, France, measuring chemical levels before, during, and after the switch. The goal is to understand how everyday products affect our bodies and identify barriers to making healthier choices.

What this could mean

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

Active substance
substitute personal care products
What this could lead to
If successful, this could show that simple changes in product use can reduce exposure to certain chemicals, pointing toward ways to lower health risks.
What could go wrong
This is a small, short-term study (107 women, 5 days) that only measures urine levels, not health outcomes. Results may not apply to other groups or longer periods.

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

107 people

The number who actually took part.

Started

Jun 2022

Expected to finish

Jun 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Ages

18 to 30 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: * be a women * be older than 18 and younger than 30 * accept to not use or use only the substitute personal care product for 5 days * no know allergy to ingredients in personal care product * no skin or allergy disease * have a medical insurance * live in Grenoble area * speak french fluently * have a freezer to store the urine sample for a week Exclusion Criteria: * being pregnant * working in a job manipulating personal care product * participating in an other study on cosmetics, personal care product, diet or any other study that may affect exposure to the studied chemicals

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As listed by the trial registrant

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

Exposure

Contacts and locations

Locations

  • Institut pour l'avancée des biosciences IAB (U1209)/hôpital couple enfant du CHU Grenoble-Alpes

    Grenoble, France

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