deltatrials
Completed OBSERVATIONAL NCT01867450

Study of Lung Health Among Workers Exposed to Diesel Exhaust

A Cross-Sectional Molecular Epidemiology Study of Occupational Exposure to Diesel Exhaust and Biomarkers in China

Sponsor: Boston University

Conditions Inflammation Biomarkers mRNA Expression nitroPAH Adducts
Updated 26 times since 2017 Last updated: Nov 12, 2020 Started: Mar 28, 2013 Primary completion: Mar 31, 2013 Completion: Nov 12, 2020
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 Inflammation Biomarkers and mRNA Expression, this trial is completed. The trial is conducted by Boston University and has accumulated 26 data snapshots since 2013. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jan 2017 – ~May 2017 · 4 months · monthly snapshot~May 2017 – ~Jun 2017 · 31 days · monthly snapshot~Jun 2017 – ~Apr 2018 · 10 months · monthly snapshot~Apr 2018 – ~May 2018 · 30 days · monthly snapshot~May 2018 – ~Jun 2018 · 31 days · monthly snapshot~Jun 2018 – ~Sep 2018 · 3 months · monthly snapshot~Sep 2018 – ~Nov 2018 · 2 months · monthly snapshot~Nov 2018 – ~Dec 2018 · 30 days · monthly snapshot~Dec 2018 – ~Jan 2019 · 31 days · monthly snapshot~Jan 2019 – ~Feb 2019 · 31 days · monthly snapshot~Feb 2019 – ~Mar 2019 · 28 days · monthly snapshot~Mar 2019 – ~May 2019 · 2 months · monthly snapshot~May 2019 – ~Jun 2019 · 31 days · monthly snapshot~Jun 2019 – ~Jul 2019 · 30 days · monthly snapshot~Jul 2019 – ~Aug 2019 · 31 days · monthly snapshot~Aug 2019 – ~Oct 2019 · 2 months · monthly snapshot~Oct 2019 – ~Dec 2019 · 2 months · monthly snapshot~Dec 2019 – ~Jan 2020 · 31 days · monthly snapshot~Jan 2020 – ~Jul 2020 · 6 months · monthly snapshot~Jul 2020 – ~Nov 2020 · 4 months · monthly snapshot~Nov 2020 – ~Dec 2020 · 30 days · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 10 months · monthly snapshot

Change History

26 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed

  2. Sep 2024 — Sep 2025 [monthly]

    Completed

  3. Jul 2024 — Sep 2024 [monthly]

    Completed

  4. Jan 2021 — Jul 2024 [monthly]

    Completed

  5. Dec 2020 — Jan 2021 [monthly]

    Completed

▶ Show 21 earlier versions

  1. Nov 2020 — Dec 2020 [monthly]

    Completed

  2. Jul 2020 — Nov 2020 [monthly]

    Completed

  3. Jan 2020 — Jul 2020 [monthly]

    Completed

  4. Dec 2019 — Jan 2020 [monthly]

    Completed

  5. Oct 2019 — Dec 2019 [monthly]

    Completed

  6. Aug 2019 — Oct 2019 [monthly]

    Completed

  7. Jul 2019 — Aug 2019 [monthly]

    Completed

  8. Jun 2019 — Jul 2019 [monthly]

    Completed

  9. May 2019 — Jun 2019 [monthly]

    Completed

  10. Mar 2019 — May 2019 [monthly]

    Completed

  11. Feb 2019 — Mar 2019 [monthly]

    Completed

  12. Jan 2019 — Feb 2019 [monthly]

    Completed

  13. Dec 2018 — Jan 2019 [monthly]

    Completed

  14. Nov 2018 — Dec 2018 [monthly]

    Completed

  15. Sep 2018 — Nov 2018 [monthly]

    Completed

  16. Jun 2018 — Sep 2018 [monthly]

    Completed

  17. May 2018 — Jun 2018 [monthly]

    Completed

  18. Apr 2018 — May 2018 [monthly]

    Completed

    Phase: NA → None

  19. Jun 2017 — Apr 2018 [monthly]

    Completed NA

  20. May 2017 — Jun 2017 [monthly]

    Completed NA

  21. Jan 2017 — May 2017 [monthly]

    Completed NA

    First recorded

Mar 2013

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Boston University
  • Duke University
  • National Cancer Institute (NCI)
  • University of Cincinnati
  • University of Southern California
  • Utrecht University
Data source: National Institutes of Health Clinical Center (CC)

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

Study Locations