deltatrials
Recruiting OBSERVATIONAL NCT04704089

Colorimetric, Ultra-structural and Elemental Comparison of Dental Enamel Defects (COLOEMAIL)

Colorimetric Comparison of Email Defects Using Spectrophotometric and Computer Techniques and Biological, Structural and Physico-chemical Analyses of Teeth or Pathological Enamel

Sponsor: Assistance Publique - Hôpitaux de Paris

Conditions Amelogenesis Imperfecta Dental Fluoroses Hypomineralization Molar Incisor
Interventions Biological (protein analysis by western blot or mass spectrometry of matrix proteins), structural (electron microscopy) and physico-chemical analyses spectrophotometer
Updated 7 times since 2021 Last updated: Jun 30, 2025 Started: Jul 18, 2022 Primary completion: Apr 18, 2026 Completion: Apr 18, 2026
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04704089, this observational or N/A phase trial focuses on Amelogenesis Imperfecta and Dental Fluoroses and remains actively recruiting participants. Sponsored by Assistance Publique - Hôpitaux de Paris, it has been updated 7 times since 2022, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Feb 2021 – ~Sep 2021 · 7 months · monthly snapshotNot Yet Recruiting~Sep 2021 – ~Jun 2022 · 9 months · monthly snapshotNot Yet Recruiting~Jun 2022 – ~Nov 2022 · 5 months · monthly snapshot~Nov 2022 – ~Jul 2024 · 20 months · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Aug 2025 · 11 months · monthly snapshotRecruiting~Aug 2025 – present · 11 months · monthly snapshotRecruiting

Change History

7 versions recorded

  1. Aug 2025 — Present [monthly]

    Recruiting

  2. Sep 2024 — Aug 2025 [monthly]

    Recruiting

  3. Jul 2024 — Sep 2024 [monthly]

    Recruiting

  4. Nov 2022 — Jul 2024 [monthly]

    Recruiting

    Status: Not Yet Recruiting → Recruiting

  5. Jun 2022 — Nov 2022 [monthly]

    Not Yet Recruiting

▶ Show 2 earlier versions

  1. Sep 2021 — Jun 2022 [monthly]

    Not Yet Recruiting

  2. Feb 2021 — Sep 2021 [monthly]

    Not Yet Recruiting

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Assistance Publique - Hôpitaux de Paris
Data source: Assistance Publique - Hôpitaux de Paris

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations