deltatrials
Completed OBSERVATIONAL NCT04962477

Understanding Host-pathogen Interaction in the Respiratory Mucosa During Pregnancy

Sponsor: Washington University School of Medicine

Updated 12 times since 2021 Last updated: Dec 12, 2025 Started: Mar 2, 2022 Primary completion: Sep 27, 2023 Completion: Sep 27, 2023
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 Innate Inflammatory Response and Pregnancy Related and is currently completed. Washington University School of Medicine leads this study, which shows 12 recorded versions since 2022 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Sep 2021 – ~Nov 2021 · 2 months · monthly snapshotNot Yet Recruiting~Nov 2021 – ~Dec 2021 · 30 days · monthly snapshotNot Yet Recruiting~Dec 2021 – ~Jan 2022 · 31 days · monthly snapshotNot Yet Recruiting~Jan 2022 – ~Apr 2022 · 3 months · monthly snapshotNot Yet Recruiting~Apr 2022 – ~May 2023 · 13 months · monthly snapshotRecruiting~May 2023 – ~Apr 2024 · 11 months · monthly snapshotRecruiting~Apr 2024 – ~Jul 2024 · 3 months · monthly snapshotActive Not Recruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotActive Not Recruiting~Sep 2024 – ~Aug 2025 · 11 months · monthly snapshotActive Not Recruiting~Aug 2025 – ~Sep 2025 · 31 days · monthly snapshotActive Not Recruiting~Sep 2025 – ~Jan 2026 · 4 months · monthly snapshotActive Not Recruiting~Jan 2026 – present · 7 months · monthly snapshotCompleted

Change History

12 versions recorded
  1. Jan 2026 — Present [monthly]

    Completed

    Status: Active Not RecruitingCompleted

  2. Sep 2025 — Jan 2026 [monthly]

    Active Not Recruiting

  3. Aug 2025 — Sep 2025 [monthly]

    Active Not Recruiting

  4. Sep 2024 — Aug 2025 [monthly]

    Active Not Recruiting

  5. Jul 2024 — Sep 2024 [monthly]

    Active Not Recruiting

Show 7 earlier versions
  1. Apr 2024 — Jul 2024 [monthly]

    Active Not Recruiting

    Status: RecruitingActive Not Recruiting

  2. May 2023 — Apr 2024 [monthly]

    Recruiting

  3. Apr 2022 — May 2023 [monthly]

    Recruiting

    Status: Not Yet RecruitingRecruiting

  4. Jan 2022 — Apr 2022 [monthly]

    Not Yet Recruiting

  5. Dec 2021 — Jan 2022 [monthly]

    Not Yet Recruiting

  6. Nov 2021 — Dec 2021 [monthly]

    Not Yet Recruiting

  7. Sep 2021 — Nov 2021 [monthly]

    Not Yet Recruiting

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Washington University School of Medicine
Data source: Washington University School of Medicine

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

Study Locations