deltatrials
Completed OBSERVATIONAL NCT05004740

Is COVID-19 Transmitted Through Human Milk? Implications for Breastfeeding and Human Milk Banking-Study 1c

Sponsor: Deborah O'Connor

Updated 8 times since 2021 Last updated: Jun 3, 2025 Started: Jan 17, 2021 Primary completion: Apr 27, 2022 Completion: Apr 27, 2023
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT05004740, this observational or N/A phase trial focuses on Breastmilk and COVID-19 Vaccine and remains completed. Sponsored by Deborah O'Connor, it has been updated 8 times since 2021, reflecting limited change activity. This study is part of the global effort to build evidence for infectious disease interventions.

Status Flow

~Sep 2021 – ~Jan 2022 · 4 months · monthly snapshot~Jan 2022 – ~May 2022 · 4 months · monthly snapshot~May 2022 – ~Nov 2022 · 6 months · monthly snapshotActive Not Recruiting~Nov 2022 – ~Jul 2024 · 20 months · monthly snapshotActive Not Recruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Nov 2024 · 2 months · monthly snapshot~Nov 2024 – ~Jul 2025 · 8 months · monthly snapshotUnknown~Jul 2025 – present · 14 months · monthly snapshotCompleted

Change History

8 versions recorded
  1. Jul 2025 — Present [monthly]

    Completed

    Status: UnknownCompleted

  2. Nov 2024 — Jul 2025 [monthly]

    Unknown

    Status: Active Not RecruitingUnknown

  3. Sep 2024 — Nov 2024 [monthly]

    Active Not Recruiting

  4. Jul 2024 — Sep 2024 [monthly]

    Active Not Recruiting

  5. Nov 2022 — Jul 2024 [monthly]

    Active Not Recruiting

Show 3 earlier versions
  1. May 2022 — Nov 2022 [monthly]

    Active Not Recruiting

    Status: CompletedActive Not Recruiting

  2. Jan 2022 — May 2022 [monthly]

    Completed

    Status: RecruitingCompleted

  3. Sep 2021 — Jan 2022 [monthly]

    Recruiting

    First recorded

Jan 2021

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Deborah O'Connor
  • Sinai Health System
  • University of Toronto
Data source: The Hospital for Sick Children

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

Study Locations