deltatrials
Completed OBSERVATIONAL NCT03372902

Development Of A Blood Test To Improve The Performance Of Breast Cancer Screening

MSK Discovery Study: Use of cfNA To Distinguish Between Benign and Malignant BI-RADS 4 Radiographic Lesions

Sponsor: GRAIL, Inc.

Conditions Breast Benign Breast Cancer
Interventions Blood draw Breast Biopsy Breast MRI Breast Mammogram online participant reported questionnaire
Updated 23 times since 2017 Last updated: Mar 13, 2025 Started: Dec 7, 2017 Primary completion: Mar 12, 2025 Completion: Mar 12, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT03372902, this observational or N/A phase trial focuses on Breast Benign and Breast Cancer and remains completed. Sponsored by GRAIL, Inc., it has been updated 23 times since 2017, reflecting substantial change activity. This study contributes to the evolving evidence base for cancer treatment protocols.

Status Flow

~Dec 2017 – ~Feb 2018 · 2 months · monthly snapshot~Feb 2018 – ~Apr 2018 · 59 days · 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 – ~Apr 2019 · 7 months · monthly snapshot~Apr 2019 – ~May 2019 · 30 days · monthly snapshot~May 2019 – ~Apr 2020 · 11 months · monthly snapshot~Apr 2020 – ~Jun 2020 · 2 months · monthly snapshot~Jun 2020 – ~Nov 2020 · 5 months · monthly snapshot~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshot~Jan 2021 – ~Apr 2021 · 3 months · monthly snapshot~Apr 2021 – ~May 2021 · 30 days · monthly snapshot~May 2021 – ~Oct 2021 · 5 months · monthly snapshot~Oct 2021 – ~Dec 2021 · 2 months · monthly snapshot~Dec 2021 – ~May 2022 · 5 months · monthly snapshot~May 2022 – ~May 2023 · 12 months · monthly snapshot~May 2023 – ~May 2024 · 12 months · monthly snapshot~May 2024 – ~Jul 2024 · 2 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Feb 2025 · 5 months · monthly snapshot~Feb 2025 – ~Apr 2025 · 59 days · monthly snapshot~Apr 2025 – present · 17 months · monthly snapshot

Change History

23 versions recorded

  1. Apr 2025 — Present [monthly]

    Completed

    Status: Active Not Recruiting → Completed

  2. Feb 2025 — Apr 2025 [monthly]

    Active Not Recruiting

  3. Sep 2024 — Feb 2025 [monthly]

    Active Not Recruiting

  4. Jul 2024 — Sep 2024 [monthly]

    Active Not Recruiting

  5. May 2024 — Jul 2024 [monthly]

    Active Not Recruiting

▶ Show 18 earlier versions

  1. May 2023 — May 2024 [monthly]

    Active Not Recruiting

  2. May 2022 — May 2023 [monthly]

    Active Not Recruiting

  3. Dec 2021 — May 2022 [monthly]

    Active Not Recruiting

  4. Oct 2021 — Dec 2021 [monthly]

    Active Not Recruiting

  5. May 2021 — Oct 2021 [monthly]

    Active Not Recruiting

  6. Apr 2021 — May 2021 [monthly]

    Active Not Recruiting

  7. Jan 2021 — Apr 2021 [monthly]

    Active Not Recruiting

  8. Nov 2020 — Jan 2021 [monthly]

    Active Not Recruiting

  9. Jun 2020 — Nov 2020 [monthly]

    Active Not Recruiting

  10. Apr 2020 — Jun 2020 [monthly]

    Active Not Recruiting

  11. May 2019 — Apr 2020 [monthly]

    Active Not Recruiting

  12. Apr 2019 — May 2019 [monthly]

    Active Not Recruiting

    Status: Enrolling By Invitation → Active Not Recruiting

  13. Sep 2018 — Apr 2019 [monthly]

    Enrolling By Invitation

  14. Jun 2018 — Sep 2018 [monthly]

    Enrolling By Invitation

    Status: Recruiting → Enrolling By Invitation

  15. May 2018 — Jun 2018 [monthly]

    Recruiting

  16. Apr 2018 — May 2018 [monthly]

    Recruiting

    Phase: NA → None

  17. Feb 2018 — Apr 2018 [monthly]

    Recruiting NA

  18. Dec 2017 — Feb 2018 [monthly]

    Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • GRAIL, Inc.
  • Memorial Sloan Kettering Cancer Center
Data source: Memorial Sloan Kettering Cancer Center

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

Study Locations