Unknown OBSERVATIONAL NCT01441609

Expression of Th9 Cells and Poor/Non-responsiveness to Hepatitis B Vaccination

Effect of the Expression Level of Th9 Cells and IL-9 In Poor/Non-responsiveness to Hepatitis B Vaccination

Sponsor: Beijing Municipal Science & Technology Commission

Updated 6 times since 2017 Last updated: Sep 27, 2011 Started: Aug 31, 2011 Primary completion: Apr 30, 2012 Completion: May 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 Hepatitis B, this trial is ongoing. The trial is conducted by Beijing Municipal Science & Technology Commission and has accumulated 6 data snapshots since 2011. Infectious disease trials contribute critical data for public health response and treatment development.

Status Flow

Change History

6 versions recorded

Sep 2024 — Present [monthly]

Unknown
Jul 2024 — Sep 2024 [monthly]

Unknown

Status: Unknown Status → Unknown
Jan 2021 — Jul 2024 [monthly]

Unknown Status
Jun 2018 — Jan 2021 [monthly]

Unknown Status
Apr 2018 — Jun 2018 [monthly]

Unknown Status

Phase: NA → None

▶ Show 1 earlier version

Jan 2017 — Apr 2018 [monthly]

Unknown Status NA

First recorded

Aug 2011

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Beijing Municipal Science & Technology Commission

Data source: Beijing Municipal Science & Technology Commission

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

Study Locations

• Chifeng, China