deltatrials
Active Not Recruiting PHASE3 INTERVENTIONAL 2-arm NCT03233191

Digital Tomosynthesis Mammography and Digital Mammography in Screening Patients for Breast Cancer

Tomosynthesis Mammographic Imaging Screening Trial (TMIST)

Sponsor: Canadian Cancer Trials Group (CCTG)

Conditions Breast Screening
Interventions Digital Mammography Digital Tomosynthesis Mammography Laboratory Biomarker Analysis
Updated 34 times since 2017 Last updated: Feb 27, 2026 Started: Sep 28, 2017 Primary completion: Dec 31, 2028 Completion: Dec 31, 2030
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE3 clinical study on Breast Screening, this trial is ongoing. The trial is conducted by Canadian Cancer Trials Group (CCTG) and has accumulated 34 data snapshots since 2017. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Aug 2017 – ~Oct 2017 · 2 months · monthly snapshot~Oct 2017 – ~Dec 2017 · 2 months · monthly snapshot~Dec 2017 – ~Feb 2018 · 2 months · monthly snapshot~Feb 2018 – ~Mar 2018 · 28 days · monthly snapshot~Mar 2018 – ~May 2018 · 2 months · monthly snapshot~May 2018 – ~Jun 2018 · 31 days · monthly snapshot~Jun 2018 – ~Jul 2018 · 30 days · monthly snapshot~Jul 2018 – ~Dec 2018 · 5 months · monthly snapshot~Dec 2018 – ~Jan 2019 · 31 days · monthly snapshot~Jan 2019 – ~Jun 2019 · 5 months · monthly snapshot~Jun 2019 – ~Dec 2019 · 6 months · monthly snapshot~Dec 2019 – ~Jun 2020 · 6 months · monthly snapshot~Jun 2020 – ~Sep 2020 · 3 months · monthly snapshot~Sep 2020 – ~Jan 2021 · 4 months · monthly snapshot~Jan 2021 – ~Sep 2021 · 8 months · monthly snapshot~Sep 2021 – ~Oct 2021 · 30 days · monthly snapshot~Oct 2021 – ~Nov 2021 · 31 days · monthly snapshot~Nov 2021 – ~May 2022 · 6 months · monthly snapshot~May 2022 – ~Jul 2022 · 2 months · monthly snapshot~Jul 2022 – ~Jun 2023 · 11 months · monthly snapshot~Jun 2023 – ~Jul 2023 · 30 days · monthly snapshot~Jul 2023 – ~Jul 2024 · 12 months · monthly snapshot~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshot~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshot~Sep 2024 – ~Nov 2024 · 2 months · monthly snapshot~Nov 2024 – ~Feb 2025 · 3 months · monthly snapshot~Feb 2025 – ~Sep 2025 · 7 months · monthly snapshot~Sep 2025 – ~Oct 2025 · 30 days · monthly snapshot~Oct 2025 – ~Nov 2025 · 31 days · monthly snapshot~Nov 2025 – ~Dec 2025 · 30 days · monthly snapshot~Dec 2025 – ~Jan 2026 · 31 days · monthly snapshot~Jan 2026 – ~Feb 2026 · 31 days · monthly snapshot~Feb 2026 – ~Mar 2026 · 28 days · monthly snapshot~Mar 2026 – present · 6 months · monthly snapshot

Change History

34 versions recorded

  1. Mar 2026 — Present [monthly]

    Active Not Recruiting PHASE3

  2. Feb 2026 — Mar 2026 [monthly]

    Active Not Recruiting PHASE3

  3. Jan 2026 — Feb 2026 [monthly]

    Active Not Recruiting PHASE3

  4. Dec 2025 — Jan 2026 [monthly]

    Active Not Recruiting PHASE3

  5. Nov 2025 — Dec 2025 [monthly]

    Active Not Recruiting PHASE3

▶ Show 29 earlier versions

  1. Oct 2025 — Nov 2025 [monthly]

    Active Not Recruiting PHASE3

  2. Sep 2025 — Oct 2025 [monthly]

    Active Not Recruiting PHASE3

  3. Feb 2025 — Sep 2025 [monthly]

    Active Not Recruiting PHASE3

    Status: Recruiting → Active Not Recruiting

  4. Nov 2024 — Feb 2025 [monthly]

    Recruiting PHASE3

  5. Sep 2024 — Nov 2024 [monthly]

    Recruiting PHASE3

  6. Aug 2024 — Sep 2024 [monthly]

    Recruiting PHASE3

  7. Jul 2024 — Aug 2024 [monthly]

    Recruiting PHASE3

  8. Jul 2023 — Jul 2024 [monthly]

    Recruiting PHASE3

  9. Jun 2023 — Jul 2023 [monthly]

    Recruiting PHASE3

  10. Jul 2022 — Jun 2023 [monthly]

    Recruiting PHASE3

  11. May 2022 — Jul 2022 [monthly]

    Recruiting PHASE3

  12. Nov 2021 — May 2022 [monthly]

    Recruiting PHASE3

  13. Oct 2021 — Nov 2021 [monthly]

    Recruiting PHASE3

  14. Sep 2021 — Oct 2021 [monthly]

    Recruiting PHASE3

  15. Jan 2021 — Sep 2021 [monthly]

    Recruiting PHASE3

  16. Sep 2020 — Jan 2021 [monthly]

    Recruiting PHASE3

  17. Jun 2020 — Sep 2020 [monthly]

    Recruiting PHASE3

  18. Dec 2019 — Jun 2020 [monthly]

    Recruiting PHASE3

  19. Jun 2019 — Dec 2019 [monthly]

    Recruiting PHASE3

  20. Jan 2019 — Jun 2019 [monthly]

    Recruiting PHASE3

  21. Dec 2018 — Jan 2019 [monthly]

    Recruiting PHASE3

  22. Jul 2018 — Dec 2018 [monthly]

    Recruiting PHASE3

  23. Jun 2018 — Jul 2018 [monthly]

    Recruiting PHASE3

  24. May 2018 — Jun 2018 [monthly]

    Recruiting PHASE3

  25. Mar 2018 — May 2018 [monthly]

    Recruiting PHASE3

  26. Feb 2018 — Mar 2018 [monthly]

    Recruiting PHASE3

  27. Dec 2017 — Feb 2018 [monthly]

    Recruiting PHASE3

  28. Oct 2017 — Dec 2017 [monthly]

    Recruiting PHASE3

  29. Aug 2017 — Oct 2017 [monthly]

    Recruiting PHASE3

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Canadian Cancer Trials Group (CCTG)
  • ECOG-ACRIN Cancer Research Group
  • National Cancer Institute (NCI)
Data source: Eastern Cooperative Oncology Group

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

Study Locations

Albuquerque, United States , Ann Arbor, United States , Appleton, United States , Atlanta, United States , Aurora, United States , Bakersfield, United States , Baton Rouge, United States , Battle Creek, United States , Beachwood, United States , Birmingham, United States and 114 more locations