deltatrials
Terminated OBSERVATIONAL NCT00472264

A Study To Investigate The Ability To Use 18FDG PET Scanning To Monitor The Effectiveness Of New Drugs In COPD Patients

An Exploratory Study To Investigate The Reproducibility Of Lung 18Fluoro-Deoxyglucose Positron Emission Tomography In Patients With Chronic Obstructive Airways Disease (COPD) In The Absence Of Anti-Inflammatory Treatments

Sponsor: Pfizer

Interventions PET imaging
Updated 12 times since 2017 Last updated: Jul 1, 2009 Started: May 31, 2007 Primary completion: Oct 31, 2008 Completion: Nov 30, 2008
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Study terminated on Nov 7, 2008 as a result of poor recruitment and changes in business priorities. The decision was not based on safety concerns.

A observational or N/A phase clinical study on Pulmonary Disease, Chronic Obstructive, this trial is terminated or withdrawn. The trial is conducted by Pfizer and has accumulated 12 data snapshots since 2007. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotTerminated~Feb 2017 – ~Aug 2017 · 6 months · monthly snapshotTerminated~Aug 2017 – ~Apr 2018 · 8 months · monthly snapshotTerminated~Apr 2018 – ~May 2018 · 30 days · monthly snapshotTerminated~May 2018 – ~Jun 2018 · 31 days · monthly snapshotTerminated~Jun 2018 – ~Nov 2020 · 29 months · monthly snapshotTerminated~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotTerminated~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshotTerminated~Dec 2021 – ~Jul 2024 · 31 months · monthly snapshotTerminated~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotTerminated~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotTerminated~Sep 2025 – present · 10 months · monthly snapshotTerminated

Change History

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

    Terminated

  2. Sep 2024 — Sep 2025 [monthly]

    Terminated

  3. Jul 2024 — Sep 2024 [monthly]

    Terminated

  4. Dec 2021 — Jul 2024 [monthly]

    Terminated

  5. Jan 2021 — Dec 2021 [monthly]

    Terminated

Show 7 earlier versions
  1. Nov 2020 — Jan 2021 [monthly]

    Terminated

  2. Jun 2018 — Nov 2020 [monthly]

    Terminated

  3. May 2018 — Jun 2018 [monthly]

    Terminated

  4. Apr 2018 — May 2018 [monthly]

    Terminated

    Phase: EARLY_PHASE1None

  5. Aug 2017 — Apr 2018 [monthly]

    Terminated EARLY_PHASE1

  6. Feb 2017 — Aug 2017 [monthly]

    Terminated EARLY_PHASE1

    Phase: Phase 0EARLY_PHASE1

  7. Jan 2017 — Feb 2017 [monthly]

    Terminated Phase 0

    First recorded

May 2007

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Pfizer
  • Washington University School of Medicine
Data source: Pfizer

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

Study Locations