deltatrials
Completed OBSERVATIONAL NCT01934478

Radiotherapy Alternates Human Epidermal Growth Factor 2 (Her2) Expression in Human Breast Cancer

Study on Human Epidermal Growth Factor 2 (Her2) Expression Changes in Human Breast Cancer After Radiotherapy

Sponsor: Qingdao Central Hospital

Updated 9 times since 2017 Last updated: Mar 27, 2023 Started: Aug 31, 2013 Primary completion: Dec 30, 2022 Completion: Dec 30, 2022
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Human Epidermal Growth Factor 2 Negative Carcinoma of Breast and is currently completed. Qingdao Central Hospital leads this study, which shows 9 recorded versions since 2013 — indicating limited longitudinal coverage. As an oncology study, it adds to the longitudinal record of treatment development for this indication.

Status Flow

~Jan 2017 – ~Oct 2017 · 9 months · monthly snapshotRecruiting~Oct 2017 – ~Mar 2018 · 5 months · monthly snapshotUnknown Status~Mar 2018 – ~Apr 2018 · 31 days · monthly snapshotSuspended~Apr 2018 – ~Jun 2018 · 2 months · monthly snapshotSuspended~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotSuspended~Jan 2021 – ~Apr 2023 · 27 months · monthly snapshotSuspended~Apr 2023 – ~Jul 2024 · 15 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

9 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed

  2. Jul 2024 — Sep 2024 [monthly]

    Completed

  3. Apr 2023 — Jul 2024 [monthly]

    Completed

    Status: SuspendedCompleted

  4. Jan 2021 — Apr 2023 [monthly]

    Suspended

  5. Jun 2018 — Jan 2021 [monthly]

    Suspended

Show 4 earlier versions
  1. Apr 2018 — Jun 2018 [monthly]

    Suspended

    Phase: NANone

  2. Mar 2018 — Apr 2018 [monthly]

    Suspended NA

    Status: Unknown StatusSuspended

  3. Oct 2017 — Mar 2018 [monthly]

    Unknown Status NA

    Status: RecruitingUnknown Status

  4. Jan 2017 — Oct 2017 [monthly]

    Recruiting NA

    First recorded

Aug 2013

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Qingdao Central Hospital
Data source: Qingdao Central Hospital

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

Study Locations