deltatrials
Completed NA INTERVENTIONAL 2-arm NCT03899688

Tomographic and Histologic Assessment on the Influence of the Use of a Collagen Membrane to Protect the Antrostomy After Maxillary Sinus Floor Augmentation.

Cone Beam Computed Tomography and Histomorphometric Assessments on the Influence a Collagen Membrane Placed on the Antrostomy After Maxillary Sinus Floor Augmentation. A Randomized Clinical Trial.

Sponsor: ARDEC Academy

Updated 8 times since 2019 Last updated: Jan 5, 2022 Started: Feb 20, 2015 Primary completion: Dec 21, 2018 Completion: Mar 2, 2019
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Alveolar Bone Loss and Alveolar Bone Resorption and is currently completed. ARDEC Academy leads this study, which shows 8 recorded versions since 2015 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~May 2019 – ~Jun 2019 · 31 days · monthly snapshotCompleted~Jun 2019 – ~Aug 2019 · 2 months · monthly snapshotCompleted~Aug 2019 – ~Jan 2021 · 17 months · monthly snapshotCompleted~Jan 2021 – ~Feb 2022 · 13 months · monthly snapshotCompleted~Feb 2022 – ~Jul 2024 · 29 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 12 months · monthly snapshotCompleted

Change History

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

    Completed NA

  2. Sep 2024 — Sep 2025 [monthly]

    Completed NA

  3. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  4. Feb 2022 — Jul 2024 [monthly]

    Completed NA

  5. Jan 2021 — Feb 2022 [monthly]

    Completed NA

Show 3 earlier versions
  1. Aug 2019 — Jan 2021 [monthly]

    Completed NA

  2. Jun 2019 — Aug 2019 [monthly]

    Completed NA

  3. May 2019 — Jun 2019 [monthly]

    Completed NA

    First recorded

Feb 2015

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • ARDEC Academy
Data source: ARDEC Academy

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

Study Locations