deltatrials
Completed OBSERVATIONAL NCT00849433

Effects of Smoking on Bronchial Epithelium

Effects of Smoking on Airway Remodeling and Phenotypic Changes of the Airway Epithelium in Asthma and COPD: Strategies to Restore the Epithelial Barrier, Repair and Steroid Sensitivity.

Sponsor: University Medical Center Groningen

Conditions Asthma Copd
Updated 10 times since 2017 Last updated: Jan 15, 2015 Started: Apr 30, 2009 Primary completion: Apr 30, 2012 Completion: Apr 30, 2013
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 Asthma and Copd, this trial is completed. The trial is conducted by University Medical Center Groningen and has accumulated 10 data snapshots since 2009. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~Aug 2017 · 7 months · monthly snapshotCompleted~Aug 2017 – ~Apr 2018 · 8 months · monthly snapshotCompleted~Apr 2018 – ~May 2018 · 30 days · monthly snapshotCompleted~May 2018 – ~Jun 2018 · 31 days · monthly snapshotCompleted~Jun 2018 – ~Nov 2020 · 29 months · monthly snapshotCompleted~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotCompleted~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshotCompleted~Dec 2021 – ~Jul 2024 · 31 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 21 months · monthly snapshotCompleted

Change History

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

    Completed

  2. Jul 2024 — Sep 2024 [monthly]

    Completed

  3. Dec 2021 — Jul 2024 [monthly]

    Completed

  4. Jan 2021 — Dec 2021 [monthly]

    Completed

  5. Nov 2020 — Jan 2021 [monthly]

    Completed

Show 5 earlier versions
  1. Jun 2018 — Nov 2020 [monthly]

    Completed

  2. May 2018 — Jun 2018 [monthly]

    Completed

  3. Apr 2018 — May 2018 [monthly]

    Completed

    Phase: NANone

  4. Aug 2017 — Apr 2018 [monthly]

    Completed NA

  5. Jan 2017 — Aug 2017 [monthly]

    Completed NA

    First recorded

Apr 2009

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • University Medical Center Groningen
Data source: University Medical Center Groningen

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

Study Locations