The Occurrence of Periopathogens in Betel-Nut Chewers and the Effects of Areca-Nut on Periopathogens
Sponsor: National Science and Technology Council, Taiwan
This observational or N/A phase trial investigates Periodontitis and is currently completed. National Science and Technology Council, Taiwan leads this study, which shows 8 recorded versions since 2001 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.
Status Flow
Change History
8 versions recorded-
Sep 2025 — Present [monthly]
Completed
-
Jun 2025 — Sep 2025 [monthly]
Completed
-
Sep 2024 — Jun 2025 [monthly]
Completed
-
Jul 2024 — Sep 2024 [monthly]
Completed
-
Jan 2021 — Jul 2024 [monthly]
Completed
▶ Show 3 earlier versions
-
Jun 2018 — Jan 2021 [monthly]
Completed
-
Apr 2018 — Jun 2018 [monthly]
Completed
Phase: NA → None
-
Jan 2017 — Apr 2018 [monthly]
Completed NA
First recorded
Aug 2001
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- National Science and Technology Council, Taiwan
- National Taiwan University Hospital
For direct contact, visit the study record on ClinicalTrials.gov .