deltatrials
Unknown OBSERVATIONAL NCT04034329

PREservation Versus Thermal Ablation (PRETA)

PREservation Versus Thermal Ablation of the Incompetent Great Saphenous Vein in Varicose Veins Treatment

Sponsor: Belarusian State Medical University

Conditions Varicose Veins
Interventions ASVAL EVLA
Updated 6 times since 2019 Last updated: Feb 9, 2023 Started: Jan 1, 2013 Primary completion: Jul 23, 2019 Completion: Feb 1, 2025
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 Varicose Veins, this trial is ongoing. The trial is conducted by Belarusian State Medical University and has accumulated 6 data snapshots since 2013. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Aug 2019 – ~Jan 2021 · 17 months · monthly snapshotRecruiting~Jan 2021 – ~Mar 2023 · 26 months · monthly snapshotRecruiting~Mar 2023 – ~Jul 2024 · 16 months · monthly snapshotActive Not Recruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotActive Not Recruiting~Sep 2024 – ~Mar 2025 · 6 months · monthly snapshotActive Not Recruiting~Mar 2025 – present · 16 months · monthly snapshotUnknown

Change History

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

    Unknown

    Status: Active Not RecruitingUnknown

  2. Sep 2024 — Mar 2025 [monthly]

    Active Not Recruiting

  3. Jul 2024 — Sep 2024 [monthly]

    Active Not Recruiting

  4. Mar 2023 — Jul 2024 [monthly]

    Active Not Recruiting

    Status: RecruitingActive Not Recruiting

  5. Jan 2021 — Mar 2023 [monthly]

    Recruiting

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

    Recruiting

    First recorded

Jan 2013

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Belarusian State Medical University
Data source: Belarusian State Medical University

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

Study Locations