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Healthy volunteer study aims to unlock secrets of aging and blood cell stress

NCT ID NCT02789839

Knowledge-focused Sponsor: University Hospital, Tours 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 completed study looked at blood and bone marrow samples from 102 healthy volunteers aged 18 to 85. Researchers measured levels of reactive oxygen species (a type of cell stress) and the activity of antioxidant genes. The goal was to see how age affects these factors, which could help understand blood diseases like leukemia.

What this could mean

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

What this could lead to
If successful, this study could provide a reference for understanding oxidative stress in blood diseases, potentially guiding future treatments.
What could go wrong
This is an observational study in healthy volunteers, not a treatment trial. It will not directly lead to a cure or therapy.

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

102 people

The number who actually took part.

Started

Aug 2016

Finished

Aug 2017

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 85 years

Sex

Anyone

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: * Healthy volunteers * Age ≥ 18 years old and ≤ 85 ans * Informed and written consent * Affiliation to Social Security Exclusion Criteria: * Subject with an history of hematologic disease * Subject with an history of tumoral disease with chemotherapy or radiotherapy * Subject with an history of infectious or inflammatory disease * Subject taking a treatment in prevention of blood clots * Subject under guardianship or protection measure * Subject with in the last 30 days food supplement rich in antioxidant : ascorbic acid, trace elements, etc… * Subject with in the last 30 days treatment with known effect on oxydative metabolism : N-Acetyl-Cysteine, etc… * Participant to a drug study * Pregnant woman

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As listed by the trial registrant

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

Redox metabolism

Contacts and locations

Locations

  • CHRU Tours

    Tours, 37044, France