Efficacy Study of Pneumococcal Vaccination in Crohn's Disease
Serological Response to Pneumococcal Vaccination in Crohn's Disease: A Prospective Multicenter Study
Sponsor: Asan Medical Center
Listed as NCT01505855, this PHASE4 trial focuses on Crohn's Disease and remains completed. Sponsored by Asan Medical Center, it has been updated 6 times since 2011, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.
Status Flow
Change History
6 versions recorded-
Sep 2025 — Present [monthly]
Completed PHASE4
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Sep 2024 — Sep 2025 [monthly]
Completed PHASE4
-
Jul 2024 — Sep 2024 [monthly]
Completed PHASE4
-
Jan 2021 — Jul 2024 [monthly]
Completed PHASE4
-
Jun 2018 — Jan 2021 [monthly]
Completed PHASE4
▶ Show 1 earlier version
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Jan 2017 — Jun 2018 [monthly]
Completed PHASE4
First recorded
Dec 2011
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Asan Medical Center
- Chung-Ang University Hosptial, Chung-Ang University College of Medicine
- Ewha Womans University
- Inje University
- Keimyung University Dongsan Medical Center
- Konkuk University Hospital
- Korea University
- Kosin University Gospel Hospital
- Kyunghee University Medical Center
- Seoul National University Hospital
- Severance Hospital
- Soonchunhyang University Hospital
- The Catholic University of Korea
- Wonju Severance Christian Hospital
- Wonkwang University
For direct contact, visit the study record on ClinicalTrials.gov .