deltatrials
Unknown PHASE4 INTERVENTIONAL 3-arm NCT03588871

Comparison of the Efficacy and Quality of Life of Three Bleaching Products

Sponsor: Grupo de Investigação em Bioquímica e Biologia Oral

Updated 6 times since 2018 Last updated: Jul 15, 2018 Started: Sep 1, 2017 Primary completion: May 1, 2019 Completion: Sep 1, 2019
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE4 clinical study on Quality of Life and Tooth Bleaching, this trial is ongoing. The trial is conducted by Grupo de Investigação em Bioquímica e Biologia Oral and has accumulated 6 data snapshots since 2017. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Aug 2018 – ~Jun 2020 · 22 months · monthly snapshotRecruiting~Jun 2020 – ~Jan 2021 · 7 months · monthly snapshotUnknown Status~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotUnknown Status~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotUnknown~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotUnknown~Sep 2025 – present · 12 months · monthly snapshotUnknown

Change History

6 versions recorded
  1. Sep 2025 — Present [monthly]

    Unknown PHASE4

  2. Sep 2024 — Sep 2025 [monthly]

    Unknown PHASE4

  3. Jul 2024 — Sep 2024 [monthly]

    Unknown PHASE4

    Status: Unknown StatusUnknown

  4. Jan 2021 — Jul 2024 [monthly]

    Unknown Status PHASE4

  5. Jun 2020 — Jan 2021 [monthly]

    Unknown Status PHASE4

    Status: RecruitingUnknown Status

Show 1 earlier version
  1. Aug 2018 — Jun 2020 [monthly]

    Recruiting PHASE4

    First recorded

Sep 2017

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Grupo de Investigação em Bioquímica e Biologia Oral
  • Ivoclar Vivadent AG
Data source: Grupo de Investigação em Bioquímica e Biologia Oral

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

Study Locations