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Blood clues may unlock mystery of brittle bone disease severity

NCT ID NCT04009733

Knowledge-focused Sponsor: Hospices Civils de Lyon 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study looked at 66 adults with Osteogenesis Imperfecta (brittle bone disease) to see if small molecules called microRNAs in the blood are linked to how severe the condition is. Researchers compared people with mild (type 1) and severe (type 3) forms, plus healthy controls. The goal was to find patterns that could explain why the same genetic mutation leads to very different outcomes.

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 could help identify biological markers that predict disease severity, potentially guiding future treatments.
What could go wrong
This is an observational study, not a treatment trial. It is small (66 participants) and only looks at correlations, not causes.

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

66 people

The number who actually took part.

Started

Oct 2019

Finished

Apr 2022

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

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: Control population: * Male or female * 18 years old and over * Be part of cohorts STRAMBO, OFELY or MODAM Patients with OI: * Male or female ≥18 years old * Have COL1A1 or COL1A2 mutation * Have a diagnosis of type 1 or 3 from Silence classification made by a rheumatologist expert in bone pathologies Exclusion Criteria: * Refusal to participate in the study * Have received glucocorticoid treatment for more than 3 months * Have received anti-osteoporotic treatment for less than 1 year ago * Have Chronic inflammatory rheumatism * Have an uncontrolled hypo/hyper thyroidism ou hypo/hyper parathyroidism * Have cancer or bone metastases (current or in the past two years) * Have benign bone tumors or Paget's disease * Have malabsorptive disease (Celiac disease, Whipple's disease, intestinal bypass, short bowel syndrome) and inflammatory bowel disease * Pregnant or lactating women * Have psychiatric disorders seriously hindering understanding * Have difficulties in oral understanding of French language * Not a beneficiary of french social security * Patients protected by law

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Conditions

The condition(s) this trial relates to.

osteogenesis imperfecta osteogenesis imperfecta type 1 osteogenesis imperfecta type 3

As listed by the trial registrant

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

Osteogenesis imperfecta

Contacts and locations

Locations

  • Hôpital Edouard Herriot

    Lyon, 69003, France

More trials for these conditions

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