Pigment DispersionNCT04966533
Characterize Metzker Pigmentary Disorders
An observational study of Pigment Dispersion and Mosaicism, run by University Hospital, Montpellier at 1 site in France.
Trial summary
Metzker pigmentary disorders are frequent cause of consultation in pediatric dermatology. The investigators can describe 4 patterns. They must be differentiated from mosaicisms because they aren't associated with neurologic disorders and don't require any follow up. Read more about this study
- Who is it for?
- Ages Up to 18 years
- Conditions the study is for
- Pigment Dispersion, Mosaicism
- How many people
- 74 participants
- Where
- 1 siteFrance
- Study dates
- 1 Jan 2005to 30 Jun 2021
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Up to 18 years
- All sexes
- No healthy volunteers
- Child, Adult
Study population: Children coming at the pediatric dermatology consultation with a Metkzer pigmentary disorder between 2005 and 2021
Who may be able to join
- Metzker pigmentary disorder, age between birth and 18 years old
Who cannot join
- None
Trial locations and contacts
1 site in 1 country.
About this study
Metzker pigmentary disorders are frequent cause of consultation in pediatric dermatology. The investigators can describe 4 patterns. They must be differentiated from mosaicisms because they aren't associated with neurologic disorders and don't require any follow up.
- Conditions
- Pigment Dispersion, Mosaicism
- Keywords
- Metzker pigmentary disorder
What is being measured
The primary outcome is the main question the study is designed to answer.
Metzker pigmentary disorder pattern
Plume of smoke/ Cloud/Flag/ Linear
Measured: 1 day
Secondary outcomes (1)
Rate of Evolution
Stability/ partial regression/aggravation
Measured: 1 day
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted19 Jul 2021
- Study start1 Jan 2005
- Primary completion30 Jan 2021
- Study completion30 Jun 2021
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Pigment DispersionStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Case only
- Time perspective
- Retrospective
- Enrolment
- 74 participants (actual)
Sponsor and investigators
- Lead sponsor
- University Hospital, Montpellier
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Didier BESSIS, PhD, Study director, University Hospitals of Montpellier
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04966533
- Sponsor's protocol ID
- RECHMPL21_0383
- Status last verified
- Jul 2021
- First submitted
- 5 Jul 2021
- Last updated
- 19 Jul 2021
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Undecided: NC
Study at a glance
From the registry record, last updated by the sponsor on 19 Jul 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Characterize Metzker Pigmentary Disorders
- ClinicalTrials.gov ID
- NCT04966533
- Acronym / sponsor ID
- RECHMPL21_0383
- Conditions
- Pigment Dispersion, Mosaicism
- Keywords
- Metzker pigmentary disorder
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 74 participants (actual)
- Lead sponsor
- University Hospital, MontpellierUniversity, hospital or other
- Study start
- 1 Jan 2005 (actual)
- Primary completion
- 30 Jan 2021 (actual)
- Study completion
- 30 Jun 2021 (actual)
- First posted
- 19 Jul 2021 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Metzker pigmentary disorders are frequent cause of consultation in pediatric dermatology. The investigators can describe 4 patterns. They must be differentiated from mosaicisms because they aren't associated with neurologic disorders and don't require any follow up.
Study design
- Observational model
- Case only
- Time perspective
- Retrospective
Who may qualify
- Ages
- Up to 18 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult
- Study population
- Children coming at the pediatric dermatology consultation with a Metkzer pigmentary disorder between 2005 and 2021
Key inclusion criteria (1 listed)
- Metzker pigmentary disorder, age between birth and 18 years old
Key exclusion criteria (1 listed)
- None
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Metzker pigmentary disorder pattern
Time frame: 1 day
Plume of smoke/ Cloud/Flag/ Linear
1 secondary outcome
Rate of Evolution
Time frame: 1 day
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 19 Jul 2021.
- Individual participant dataSharing planned: Undecided. NC
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Didier BESSIS, PhD study director
University Hospitals of Montpellier
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Pigment Dispersion and Mosaicism, run by University Hospital, Montpellier at 1 site in France.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 19 Jul 2021. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in France. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Metzker pigmentary disorder pattern (time frame: 1 day). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 19 Jul 2021; AzTrials last refreshed its copy on 31 Oct 2026.