deltatrials
Completed OBSERVATIONAL NCT01310374

Immune Response Study of Influenza Vaccine

Humoral and Cellular Immune Response Study of Influenza Vaccine

Sponsor: Centers for Disease Control and Prevention, China

Updated 10 times since 2017 Last updated: Jul 9, 2013 Started: Mar 31, 2011 Primary completion: May 31, 2011 Completion: Dec 31, 2012
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Cell Mediated Reaction and Influenza Vaccine Allergy, this trial is completed. The trial is conducted by Centers for Disease Control and Prevention, China and has accumulated 10 data snapshots since 2011. Infectious disease trials contribute critical data for public health response and treatment development.

Status Flow

~Jan 2017 – ~Aug 2017 · 7 months · monthly snapshotCompleted~Aug 2017 – ~Apr 2018 · 8 months · monthly snapshotCompleted~Apr 2018 – ~May 2018 · 30 days · monthly snapshotCompleted~May 2018 – ~Jun 2018 · 31 days · monthly snapshotCompleted~Jun 2018 – ~Nov 2020 · 29 months · monthly snapshotCompleted~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotCompleted~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshotCompleted~Dec 2021 – ~Jul 2024 · 31 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 24 months · monthly snapshotCompleted

Change History

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

    Completed

  2. Jul 2024 — Sep 2024 [monthly]

    Completed

  3. Dec 2021 — Jul 2024 [monthly]

    Completed

  4. Jan 2021 — Dec 2021 [monthly]

    Completed

  5. Nov 2020 — Jan 2021 [monthly]

    Completed

Show 5 earlier versions
  1. Jun 2018 — Nov 2020 [monthly]

    Completed

  2. May 2018 — Jun 2018 [monthly]

    Completed

  3. Apr 2018 — May 2018 [monthly]

    Completed

    Phase: NANone

  4. Aug 2017 — Apr 2018 [monthly]

    Completed NA

  5. Jan 2017 — Aug 2017 [monthly]

    Completed NA

    First recorded

Mar 2011

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Centers for Disease Control and Prevention, China
Data source: Centers for Disease Control and Prevention, China

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

Study Locations

No location information available.