Seroprevalence and Vaccination Rate of Hepatitis B Virus and Varicella-zoster Virus Among Medical Students Under Immunizing Program

Recruiting

• Conditions: Healthy; Healthy Adult

• Registration Number: NCT06901362
• Lead Sponsor: Thammasat University

Brief Summary

This study is a cross-sectional study. The study aims to determine the levels of immunity against hepatitis B virus and varicella-zoster virus in medical students.

Detailed Description

This study is a cross-sectional study aimed at determining the levels of immunity against the hepatitis B virus and varicella virus in medical students. Additionally, it aims to compare the rate of increase in immunity levels before and after receiving the hepatitis B and varicella-zoster vaccines in medical students. Medical students aged 18 years or older are included in the study.

Study Timeline

• Study First Submitted: 2025-03-22
• Study First Submitted QC: 2025-03-22
• Study First Posted: 2025-03-28
• Status Verified: 2025-04
• Study Start: 2025-04-01
• Last Update Submitted: 2025-04-25
• Last Update Posted: 2025-04-29
• Primary Completion: 2025-07-31
• Study Completion: 2025-10-31

Recruitment & Eligibility

• Status: RECRUITING
• Sex: All
• Target Recruitment: 326

Inclusion Criteria

• Medical students
• Age 18 years or older

Exclusion Criteria

• Known cases of hepatitis B virus infection
• Known cases of varicella-zoster virus infection

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
The seroprevalence of hepatitis B virus	From enrollment to the end of treatment at 6 months	The immunity level against the hepatitis B virus is assessed.
The seroprevalence of varicella-zoster virus	From enrollment to the end of treatment at 6 months	The immunity level against varicella-zoster virus is assessed.

Secondary Outcome Measures

Name	Time	Method
The vaccination rate of hepatitis B virus	From enrollment to the end of treatment at 6 months	The vaccination rate of hepatitis B virus is assessed.
The vaccination rate of varicella-zoster virus	From enrollment to the end of treatment at 6 months	The vaccination rate of varicella-zoster virus is assessed.

Trial Locations

Locations (1)

Narongkorn Saiphoklang; 🇹🇭 Pathumthani, Thailand