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Clinical trialNCT05424952CompletedInterventional

The Effectiveness of Conversational AI Service (Chatbot) Utilization on Vaccine Confidence

SponsorThe University of Hong KongEnrollment1,000Vaccination Hesitancy
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

3 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Hong Kong
  • the University of Hong Kong

    Hong Kong, Hong Kong

Singapore
  • National University of Singapore

    Singapore, Singapore

Thailand
  • Health Intervention and Technology Assessment Program

    Bangkok, Thailand

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
11 Feb 2022
Primary completion
17 Feb 2023
Completion
17 Feb 2023
Last update posted
6 Dec 2024
Registered enrollment
1,000
Registry id
NCT05424952

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.