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Worldwide FOP database launches to unlock secrets of rare bone disease

NCT ID NCT02745158

Knowledge-focused Sponsor: The International FOP Association Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This global registry collects information from people with Fibrodysplasia Ossificans Progressiva (FOP), a rare condition where soft tissues turn into bone. Up to 800 patients worldwide can report their symptoms, flare-ups, and mobility changes through a secure online portal. The goal is to better understand how FOP progresses and to prepare the community for future clinical trials.

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 registry could provide crucial insights into FOP's natural history and help design better treatments and clinical trials.
What could go wrong
This is an observational registry, not a treatment study. It collects data but does not test any intervention, so it cannot directly improve health.

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.

Participants

About 800 people

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

Started

Jul 2015

Expected to finish

Dec 2040

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.

Who is studied

Individuals with Fibrodysplasia Ossificans Progressive (FOP) from the international FOP community will be invited to join the Registry.

Ages

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

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: * Participants must have a confirmed diagnosis of FOP. * Participants (or a parent or legal guardian) must be willing and able to provide written informed consent. Exclusion Criteria: * There are no exclusion criteria.

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Conditions

The condition(s) this trial relates to.

fibrodysplasia ossificans progressiva Hallux Valgus myositis ossificans Ossification, Heterotopic Osteochondroma

As listed by the trial registrant

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

Fibrodysplasia ossificans progressiva (FOP)

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

  • The International Fibrodysplasia Ossificans Progressiva Association (IFOPA)

    RECRUITING

    North Kansas City, Missouri, 064116, United States

More trials for these conditions

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