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Primary Ciliary Dyskinesia: Identification of specific severity criteria and phenotype-genotype correlation study

France, 2017 - 2027
Reference ID
FRESH-PEF73379-en
Producer(s)
Bernard;MAITRE
Metadata
DDI/XML JSON
Study website Interactive tools
Created on
Jul 28, 2026
Last modified
Sep 23, 2026
Page views
140
  • Study Description
  • Get Microdata
  • Identification
  • Scope
  • Coverage
  • Producers and sponsors
  • Study authorization
  • Sampling
  • Survey instrument
  • Data collection
  • Study activities
  • Quality standards
  • Data Access
  • Contacts
  • Metadata production
  • Identification

    Survey ID number

    FRESH-PEF73379-en

    Title

    Primary Ciliary Dyskinesia: Identification of specific severity criteria and phenotype-genotype correlation study

    Abbreviation or Acronym

    RaDiCo-DCP

    Country
    Name Country code
    France fr
    Abstract

    RaDiCo-DCP is a French national cohort dedicated to primary ciliary dyskinesia (PCD), a rare respiratory disease of autosomal recessive genetic origin. It results from structural or functional abnormalities of the cilia, tiny structures found in particular in the respiratory tract, which normally clear mucus. This dysfunction causes recurrent infections of the upper and lower airways from early childhood, which may progress to nasal polyposis, bronchiectasis and, in about one third of patients, respiratory failure. Half of cases are accompanied by a laterality defect of the organs (Kartagener syndrome), and infertility is more frequently observed, particularly in men. Around thirty genes have been identified to date, accounting for approximately half of cases. The severity of the disease varies greatly from person to person and its causes are still incompletely understood.

    The main objective of this cohort study is to better understand the factors that influence the progression of PCD in order to identify, as early as possible, patients who are at risk of developing a more severe form of the disease. This knowledge will help improve medical follow-up and enable more personalized care. The study also aims to identify new genes involved in PCD, to better understand the links between genetic characteristics, cilia abnormalities, and disease manifestations, and to assess the impact of PCD on patients' quality of life, particularly with regard to ENT complications and fertility issues.

    The cohort includes children and adults with confirmed PCD from several hospitals in France. Participants are monitored regularly as part of their routine care. Researchers collect medical data, test results, information on quality of life, and, when available, data from genetic analyses and biological collections. The data are pseudonymized and analyzed securely to ensure participants' confidentiality.

    By compiling this information over several years, the RaDiCo-DCP cohort helps improve our understanding of this rare disease, optimize patient care, and promote the development of more personalized medicine.

    Kind of Data

    ['Clinical data','Paraclinical data (non-biological)','Paraclinical data (non-biological) : Imaging','Paraclinical data (non-biological) : Anthropometry','Paraclinical data (non-biological) : Function testing','Biological data','Environmental / exposure data','Genetic / genomic data','Participant-reported health data']

    Unit of Analysis

    Individus

    Scope

    Topics
    Topic Vocabulary
    General medicine health theme
    Infectious disease medicine health theme
    Medical genetics health theme
    Otolaryngology health theme
    Paediatrics health theme
    Public, environmental and occupational health health theme
    Pulmonary medicine health theme
    Surgery health theme
    Primary ciliary dyskinesia cim-11
    Place of Residence other environmental determinant
    Socio-demographic and economic determinants health determinant
    Socio-demographic and economic determinants: Age health determinant
    Environmental determinants health determinant
    Environmental determinants: Other health determinant
    Behavioral determinants health determinant
    Behavioral determinants: Addiction health determinant
    Biological determinants health determinant
    Biological determinants: Genetic predisposition health determinant
    Biological determinants: Sex health determinant
    Keywords
    Rare Diseases Primary ciliary dyskinesia DCP Pulmonology Genetics Quality of Life Cohort

    Coverage

    Geographic Coverage

    ['Auvergne Rhône-Alpes','Grand Est','Hauts-de-France','Ile-de-France','Occitanie','Provence - Alpes - Côte d'Azur']

    Universe

    {
    "level_sex_clusion_I": [
    {
    "concept": {
    "vocab": "MeSH",
    "vocabURI": "D005260"
    },
    "value": "Female"
    },
    {
    "concept": {
    "vocab": "MeSH",
    "vocabURI": "D008297"
    },
    "value": "Male"
    }
    ],
    "level_age_clusion_I": [
    {
    "concept": {
    "vocab": "MeSH",
    "vocabURI": "D007231"
    },
    "value": "Infant, Newborn (birth to 28 days)"
    },
    {
    "concept": {
    "vocab": "MeSH",
    "vocabURI": "D007223"
    },
    "value": "Infant (28 days to 2 years)"
    },
    {
    "concept": {
    "vocab": "MeSH",
    "vocabURI": "D002675"
    },
    "value": "Child, Preschool (2 to 5 years)"
    },
    {
    "concept": {
    "vocab": "MeSH",
    "vocabURI": "D002648"
    },
    "value": "Child (6 to 12 years)"
    },
    {
    "concept": {
    "vocab": "MeSH",
    "vocabURI": "D000293"
    },
    "value": "Adolescent (13 to 18 years)"
    },
    {
    "concept": {
    "vocab": "MeSH",
    "vocabURI": "D055815"
    },
    "value": "Young Adult (19 to 24 years)"
    },
    {
    "concept": {
    "vocab": "MeSH",
    "vocabURI": "D000328"
    },
    "value": "Adult (25 to 44 years)"
    },
    {
    "concept": {
    "vocab": "MeSH",
    "vocabURI": "D008875"
    },
    "value": "Middle Aged (45 to 64 years)"
    },
    {
    "concept": {
    "vocab": "MeSH",
    "vocabURI": "D000368"
    },
    "value": "Aged (65 to 79 years)"
    }
    ],
    "level_type_clusion_I": "Patients population",
    "level_type_clusion_other": "",
    "clusion_I": "All prevalent patients and incidents included in the RaDiCo-DCP cohort must: • Have a confirmed diagnosis of PCD based on at least one of the following diagnostic criteria: Kartagener syndrome (association of chronic sinusitis, bronchiectasis and situs inversus), and\/or evidence of specific abnormalities of the ciliary ultrastructure, and\/or identification of unambiguous mutations in a PCD gene. • Have at least one annual follow-up visit in accordance with standard practice. Patients who meet the following criteria will not be included: • Patient with an unconfirmed diagnosis of PCD; • Patient with a concomitant progressive pathology that may interfere with the evaluation of PCD-related manifestations.",
    "clusion_E": "Patients meeting the following criteria will not be eligible for inclusion:\r\nPatient with an unconfirmed diagnosis of PCD.\r\nPatient with a concomitant progressive condition that may interfere with the assessment of PCD-related manifestations."
    }

    Producers and sponsors

    Primary investigators
    Name
    Bernard;MAITRE
    Producers
    Name Role
    INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM) sponsor
    Funding Agency/Sponsor
    Name
    AGENCE NATIONALE DE LA RECHERCHE (ANR)
    MINISTERE DE L’ENSEIGNEMENT SUPERIEUR, DE LA RECHERCHE ET DE L’ESPACE
    Other Identifications/Acknowledgments
    Name
    Sonia;GUEGUEN
    INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE (INSERM)
    Filière Maladies Rares pulmonaires RespiFil. / European Reference Network ERN-LUNG

    Study authorization

    Agency
    Agency name
    CNIL
    CESREES
    Other

    Sampling

    Sample frame

    Unit Type

    ['Through organizations (health services or institutions, schools, businesses, etc.)']

    Sampling Procedure

    ['{"concept":{"vocab":"CESSDA","vocabURI":"Other"},"value":"Other"}']

    Survey instrument

    Questionnaires

    Access on specific project only

    Methodology notes

    Observational Study

    Data collection

    Dates of Data Collection
    Start End
    2017-05-02 2027-12-31
    Time Method

    Other

    Frequency of Data Collection

    Annual for 5 years.

    Mode of data collection
    • {"concept":{"vocab":"CESSDA","vocabURI":"Transcription"},"value":"Converting or copying information into a structured record"}
    • {"concept":{"vocab":"CESSDA","vocabURI":"Interview"},"value":"Interview with the participant (including clinical)"}
    • {"concept":{"vocab":"CESSDA","vocabURI":"MeasurementsAndTests"},"value":"Measurements and tests"}
    • {"concept":{"vocab":"CESSDA","vocabURI":"MeasurementsAndTests.Physical"},"value":"Physical/biological measurements (blood pressure, weight, biochemistry, imaging, etc.)"}
    • {"concept":{"vocab":"CESSDA","vocabURI":"MeasurementsAndTests.Psychological"},"value":"Psychological tests/clinical scales (depression, cognition, quality of life, etc.)"}
    • {"concept":{"vocab":"CESSDA","vocabURI":"Observation"},"value":"Observation (clinical or behavioural)"}
    • {"concept":{"vocab":"CESSDA","vocabURI":"SelfAdministeredQuestionnaire"},"value":"Self-administered questionnaire"}

    Study activities

    Study activities
    Study activities
    Type
    primary evaluation
    Description
    Health event/morbidity Health event/mortality Quality of life/health perception
    Study activities
    Type
    secondary evaluation

    Quality standards

    Quality standards
    Standard
    ['HPO, ICD10, Snomed CT, Orpha Codes and ORDO, Drug dictionary (DCIs)']
    Other quality statement

    ['Data Management Plan and Data Validation Plan. Continuous data management (automatic control rules and query system)']

    Data Access

    Access authority
    Name Email
    Juliette;CARTON juliette.carton@radico.fr
    Access conditions

    Requests for access to RaDiCo-DCP data (aggregated or individual) will be considered by the Scientific Committee following the submission of a summary of a specific research project, as defined in the Charter of access to resources.

    Citation requirements

    Prior to any publication, the PRS Lead, in consultation with the PRS Manager if applicable, shall determine—by mutual agreement with the relevant project committee and based on each individual’s respective intellectual contributions—the order of authorship and the number of authors from each entity participating in the project. Publications must include at least one author from the Promoter. Provided that this practice is accepted by the publishers of these scientific publications, RaDiCo will be listed as a co-author of the publication. In the event of refusal by the publisher, the members of the RaDiCo Consortium Agreement will provide the PRS Manager or the PRS Lead with the list of co-authors.

    Deposit requirements

    Before publication, articles must be submitted to the relevant Project committee for review. Users who wish to publish must take into account all comments made by the relevant committee, provided that such comments are well-founded and not arbitrary. The terms and conditions for publication and dissemination are specified in the PRS Agreement.

    Availability Status

    {"extLink":{"title":"COAR","uri":"http://purl.org/coar/access_right/c_16ec"},"value":"Restricted access"}

    Special Permissions
    Indicate if special permissions are required to access a resource
    No

    Contacts

    Contacts
    Name Email
    Juliette;CARTON juliette.carton@radico.fr
    Sonia;GUEGUEN sonia.gueguen@radico.fr

    Metadata production

    DDI Document ID

    FRESH-PEF73379-en

    Producers
    Name
    Sonia GUEGUEN
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