deltatrials
Terminated NA INTERVENTIONAL 1-arm NCT00748670

Treatment With Fixture Microthread™ in Patients With Poor Bone Quality and no Teeth in the Upper Jaw, When Using Two-Stage Surgery

An Open, Prospective, Multicenter Study to Evaluate Treatment of Edentulous Upper Jaws With an Implant-Supported Prosthesis Retained by Astra Tech Dental Implants, Fixture Micro-Macro in Patients With Poor Bone Quality

Sponsor: Dentsply Sirona Implants and Consumables

Updated 10 times since 2017 Last updated: Sep 5, 2008 Started: Sep 30, 1999 Primary completion: Oct 31, 2006
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Decision to modify the product under study as a result of feedback regarding subjective feeling during installation procedure. For more info, see brief summary.

Listed as NCT00748670, this NA trial focuses on Jaw, Edentulous and Poor Bone Quality and remains terminated or withdrawn. Sponsored by Dentsply Sirona Implants and Consumables, it has been updated 10 times since 1999, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotTerminated~Feb 2017 – ~Aug 2017 · 6 months · monthly snapshotTerminated~Aug 2017 – ~May 2018 · 9 months · monthly snapshotTerminated~May 2018 – ~Nov 2020 · 30 months · monthly snapshotTerminated~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotTerminated~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshotTerminated~Dec 2021 – ~Mar 2023 · 15 months · monthly snapshotTerminated~Mar 2023 – ~Jul 2024 · 16 months · monthly snapshotTerminated~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotTerminated~Sep 2024 – present · 22 months · monthly snapshotTerminated

Change History

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

    Terminated NA

  2. Jul 2024 — Sep 2024 [monthly]

    Terminated NA

  3. Mar 2023 — Jul 2024 [monthly]

    Terminated NA

  4. Dec 2021 — Mar 2023 [monthly]

    Terminated NA

  5. Jan 2021 — Dec 2021 [monthly]

    Terminated NA

Show 5 earlier versions
  1. Nov 2020 — Jan 2021 [monthly]

    Terminated NA

  2. May 2018 — Nov 2020 [monthly]

    Terminated NA

  3. Aug 2017 — May 2018 [monthly]

    Terminated NA

  4. Feb 2017 — Aug 2017 [monthly]

    Terminated NA

  5. Jan 2017 — Feb 2017 [monthly]

    Terminated NA

    First recorded

Sep 1999

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Dentsply Sirona Implants and Consumables
Data source: Dentsply Sirona Implants and Consumables

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