deltatrials
Active Not Recruiting NA INTERVENTIONAL 2-arm NCT02889874

EXamining PErsonalised Radiation Therapy for Low-risk Early Breast Cancer (EXPERT)

A Randomised Phase III Trial of Adjuvant Radiation Therapy Versus Observation Following Breast Conserving Surgery and Endocrine Therapy in Patients With Molecularly Characterised Luminal A Early Breast Cancer

Sponsor: Breast Cancer Trials, Australia and New Zealand

Conditions Early Stage Breast Carcinoma
Interventions Omission of radiation therapy
Updated 32 times since 2017 Last updated: Sep 15, 2025 Started: Aug 21, 2017 Primary completion: Sep 30, 2027 Completion: Apr 30, 2028
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A NA clinical study on Early Stage Breast Carcinoma, this trial is ongoing. The trial is conducted by Breast Cancer Trials, Australia and New Zealand and has accumulated 32 data snapshots since 2017. Oncology trials at this stage typically focus on safety, tolerability, and early efficacy signals.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshot~Feb 2017 – ~Sep 2017 · 7 months · monthly snapshot~Sep 2017 – ~Oct 2017 · 30 days · monthly snapshot~Oct 2017 – ~Feb 2018 · 4 months · monthly snapshot~Feb 2018 – ~May 2018 · 3 months · monthly snapshot~May 2018 – ~Jun 2018 · 31 days · monthly snapshot~Jun 2018 – ~Jul 2018 · 30 days · monthly snapshot~Jul 2018 – ~Sep 2018 · 2 months · monthly snapshot~Sep 2018 – ~Nov 2018 · 2 months · monthly snapshot~Nov 2018 – ~Mar 2019 · 4 months · monthly snapshot~Mar 2019 – ~Oct 2019 · 7 months · monthly snapshot~Oct 2019 – ~Dec 2019 · 2 months · monthly snapshot~Dec 2019 – ~Feb 2020 · 2 months · monthly snapshot~Feb 2020 – ~Apr 2020 · 2 months · monthly snapshot~Apr 2020 – ~Aug 2020 · 4 months · monthly snapshot~Aug 2020 – ~Sep 2020 · 31 days · monthly snapshot~Sep 2020 – ~Jan 2021 · 4 months · monthly snapshot~Jan 2021 – ~Mar 2021 · 59 days · monthly snapshot~Mar 2021 – ~May 2021 · 2 months · monthly snapshot~May 2021 – ~Sep 2021 · 4 months · monthly snapshot~Sep 2021 – ~Feb 2022 · 5 months · monthly snapshot~Feb 2022 – ~May 2022 · 3 months · monthly snapshot~May 2022 – ~Jul 2022 · 2 months · monthly snapshot~Jul 2022 – ~Nov 2022 · 4 months · monthly snapshot~Nov 2022 – ~Dec 2022 · 30 days · monthly snapshot~Dec 2022 – ~May 2024 · 17 months · monthly snapshot~May 2024 – ~Jul 2024 · 2 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – ~Oct 2025 · 30 days · monthly snapshot~Oct 2025 – ~Dec 2025 · 2 months · monthly snapshot~Dec 2025 – present · 8 months · monthly snapshot

Change History

32 versions recorded

  1. Dec 2025 — Present [monthly]

    Active Not Recruiting NA

  2. Oct 2025 — Dec 2025 [monthly]

    Active Not Recruiting NA

    Status: Recruiting → Active Not Recruiting

  3. Sep 2025 — Oct 2025 [monthly]

    Recruiting NA

  4. Sep 2024 — Sep 2025 [monthly]

    Recruiting NA

  5. Jul 2024 — Sep 2024 [monthly]

    Recruiting NA

▶ Show 27 earlier versions

  1. May 2024 — Jul 2024 [monthly]

    Recruiting NA

  2. Dec 2022 — May 2024 [monthly]

    Recruiting NA

  3. Nov 2022 — Dec 2022 [monthly]

    Recruiting NA

  4. Jul 2022 — Nov 2022 [monthly]

    Recruiting NA

  5. May 2022 — Jul 2022 [monthly]

    Recruiting NA

  6. Feb 2022 — May 2022 [monthly]

    Recruiting NA

  7. Sep 2021 — Feb 2022 [monthly]

    Recruiting NA

  8. May 2021 — Sep 2021 [monthly]

    Recruiting NA

  9. Mar 2021 — May 2021 [monthly]

    Recruiting NA

  10. Jan 2021 — Mar 2021 [monthly]

    Recruiting NA

  11. Sep 2020 — Jan 2021 [monthly]

    Recruiting NA

  12. Aug 2020 — Sep 2020 [monthly]

    Recruiting NA

  13. Apr 2020 — Aug 2020 [monthly]

    Recruiting NA

  14. Feb 2020 — Apr 2020 [monthly]

    Recruiting NA

  15. Dec 2019 — Feb 2020 [monthly]

    Recruiting NA

  16. Oct 2019 — Dec 2019 [monthly]

    Recruiting NA

  17. Mar 2019 — Oct 2019 [monthly]

    Recruiting NA

  18. Nov 2018 — Mar 2019 [monthly]

    Recruiting NA

  19. Sep 2018 — Nov 2018 [monthly]

    Recruiting NA

  20. Jul 2018 — Sep 2018 [monthly]

    Recruiting NA

  21. Jun 2018 — Jul 2018 [monthly]

    Recruiting NA

  22. May 2018 — Jun 2018 [monthly]

    Recruiting NA

  23. Feb 2018 — May 2018 [monthly]

    Recruiting NA

  24. Oct 2017 — Feb 2018 [monthly]

    Recruiting NA

  25. Sep 2017 — Oct 2017 [monthly]

    Recruiting NA

    Status: Not Yet Recruiting → Recruiting

  26. Feb 2017 — Sep 2017 [monthly]

    Not Yet Recruiting NA

    Phase: PHASE3 → NA

  27. Jan 2017 — Feb 2017 [monthly]

    Not Yet Recruiting PHASE3

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Breast Cancer Trials, Australia and New Zealand
  • Breast International Group
  • ETOP IBCSG Partners Foundation
Data source: Breast Cancer Trials, Australia and New Zealand

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

Study Locations

Antofagasta, Chile , Auchenflower, Australia , Ballarat, Australia , Barcelona, Spain , Bendigo, Australia , Bentleigh East, Australia , Box Hill, Australia , Bundaberg, Australia , Campbelltown, Australia , Camperdown, Australia and 49 more locations