deltatrials
Completed OBSERVATIONAL NCT00001726

Study of the Composition of Dental Plaque

Spatial Organization of Viridans Streptococci in Oral Biofilms

Sponsor: National Institute of Dental and Craniofacial Research (NIDCR)

Updated 6 times since 2017 Last updated: Jun 30, 2017 Started: Jun 19, 1998 Primary completion: Aug 3, 2009 Completion: Aug 3, 2009
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Dental Caries and Dental Plaque, this trial is completed. The trial is conducted by National Institute of Dental and Craniofacial Research (NIDCR) and has accumulated 6 data snapshots since 1998. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~Apr 2018 · 15 months · monthly snapshotCompleted~Apr 2018 – ~Jun 2018 · 2 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

6 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed

  2. Jul 2024 — Sep 2024 [monthly]

    Completed

  3. Jan 2021 — Jul 2024 [monthly]

    Completed

  4. Jun 2018 — Jan 2021 [monthly]

    Completed

  5. Apr 2018 — Jun 2018 [monthly]

    Completed

    Phase: NANone

Show 1 earlier version
  1. Jan 2017 — Apr 2018 [monthly]

    Completed NA

    First recorded

Jun 1998

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • National Institute of Dental and Craniofacial Research (NIDCR)
Data source: National Institutes of Health Clinical Center (CC)

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

Study Locations