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Could low vitamin c weaken bones? new study investigates

NCT ID NCT07660484

Knowledge-focused Sponsor: Centre Hospitalier Universitaire de Nice 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This observational study will check vitamin C levels in 40 people with osteoporosis, comparing those who have had a spine fracture to those who haven't. The goal is to see if lower vitamin C is more common in the fracture group. No treatment is given; the study simply measures and compares.

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 a link is found, it could point to vitamin C as a factor worth monitoring in osteoporosis care.
What could go wrong
This is a small observational study, not a treatment trial. It can only show an association, not cause and effect, and may not lead to any change in practice.

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 40 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Jan 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

50 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Men aged 50 yars or older ; * Postmenopausal women ; * Afilliated with a health insurance and system ; * Written informed consent obtained. * Group 1 : Clincal osteoporotic vertebral fracture confirmed by imaging within the previous month ; Followed in the Rheumatology department for management of vertebral fracture. * Group 2 : Densitometric osteoporosis (T-score ≤ -2.5) ; No history of severe osteoporotic fracture ; No history of clinical or morphometric vertebral fracture. Exclusion Criteria: * Legal protection measure (guardianship, curatorship); * inability to provide informed consent ; * refusal to participate ; * Vertebral fracture related to tumor, * infection, trauma or non osteoporotic causes ; * asymptomatic vertebral fracture discovered incidentally ; * Severe densitometric osteoporosis for group 2 ; * Previous severe osteoporotic fracture for group B.

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Conditions

The condition(s) this trial relates to.

osteoporosis scurvy spinal fracture

As listed by the trial registrant

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

Osteoporosis Vertebral fractures Vitamin C deficiency

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

  • CHU de Nice

    Nice, France, 06000, France

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