deltatrials
Active Not Recruiting NA INTERVENTIONAL 3-arm NCT02411812

Effects of the Herbst Appliance With Different Anchorages and Twin-Block Appliance in Class II Malocclusion (HASA)

Effects of the Herbst Appliance With Skeletal Anchorage or Dental Anchorage, and Twin-Block Appliance in Class II Malocclusion: A Randomized Clinical Trial

Sponsor: Klaus Barretto-Lopes

Updated 11 times since 2017 Last updated: Nov 14, 2024 Started: Aug 31, 2015 Primary completion: Aug 31, 2025 Completion: Sep 30, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A NA clinical study on Malocclusion, Angle Class II, this trial is ongoing. The trial is conducted by Klaus Barretto-Lopes and has accumulated 11 data snapshots since 2015. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~May 2018 · 16 months · monthly snapshotRecruiting~May 2018 – ~Jun 2018 · 31 days · monthly snapshotUnknown Status~Jun 2018 – ~Sep 2018 · 3 months · monthly snapshotUnknown Status~Sep 2018 – ~Oct 2019 · 13 months · monthly snapshotRecruiting~Oct 2019 – ~Jan 2021 · 15 months · monthly snapshotRecruiting~Jan 2021 – ~Oct 2021 · 9 months · monthly snapshotRecruiting~Oct 2021 – ~Nov 2022 · 13 months · monthly snapshotUnknown Status~Nov 2022 – ~Jul 2024 · 20 months · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotRecruiting~Sep 2024 – ~Dec 2024 · 3 months · monthly snapshotRecruiting~Dec 2024 – present · 20 months · monthly snapshotActive Not Recruiting

Change History

11 versions recorded
  1. Dec 2024 — Present [monthly]

    Active Not Recruiting NA

    Status: RecruitingActive Not Recruiting

  2. Sep 2024 — Dec 2024 [monthly]

    Recruiting NA

  3. Jul 2024 — Sep 2024 [monthly]

    Recruiting NA

  4. Nov 2022 — Jul 2024 [monthly]

    Recruiting NA

    Status: Unknown StatusRecruiting

  5. Oct 2021 — Nov 2022 [monthly]

    Unknown Status NA

    Status: RecruitingUnknown Status

Show 6 earlier versions
  1. Jan 2021 — Oct 2021 [monthly]

    Recruiting NA

  2. Oct 2019 — Jan 2021 [monthly]

    Recruiting NA

  3. Sep 2018 — Oct 2019 [monthly]

    Recruiting NA

    Status: Unknown StatusRecruiting

  4. Jun 2018 — Sep 2018 [monthly]

    Unknown Status NA

  5. May 2018 — Jun 2018 [monthly]

    Unknown Status NA

    Status: RecruitingUnknown Status

  6. Jan 2017 — May 2018 [monthly]

    Recruiting NA

    First recorded

Aug 2015

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Klaus Barretto-Lopes
Data source: Rio de Janeiro State University

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

Study Locations