deltatrials
Completed PHASE3 NCT00047385

National Lung Screening Trial (NLST) Screening

National Lung Screening Trial A Randomized Trial Comparing Low-dose Helical CT With Chest Xray for Lung Cancer

Sponsor: American College of Radiology Imaging Network

Conditions Lung Cancer
Interventions chest radiography low-dose helical computed tomography
Updated 7 times since 2017 Last updated: May 2, 2014 Started: Aug 31, 2002 Primary completion: Oct 31, 2010 Completion: Oct 31, 2010

This PHASE3 trial investigates Lung Cancer and is currently completed. American College of Radiology Imaging Network leads this study, which shows 7 recorded versions since 2002 — indicating limited longitudinal coverage. As an oncology study, it adds to the longitudinal record of treatment development for this indication.

Change History

7 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed PHASE3

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE3

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

  4. Dec 2021 — Jul 2024 [monthly]

    Completed PHASE3

  5. Jan 2021 — Dec 2021 [monthly]

    Completed PHASE3

▶ Show 2 earlier versions

  1. Jun 2018 — Jan 2021 [monthly]

    Completed PHASE3

  2. Jan 2017 — Jun 2018 [monthly]

    Completed PHASE3

    First recorded

Aug 2002

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • American College of Radiology Imaging Network
  • National Cancer Institute (NCI)
Data source: National Cancer Institute (NCI)

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

Study Locations

Ann Arbor, United States, Atlanta, United States, Baltimore, United States, Birmingham, United States, Boston, United States, Charleston, United States, Chicago, United States, Denver, United States, Detroit, United States, Hamilton, United States and 22 more location s