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Effect of levamisole adjuvant plus hepatitis B vaccine in vaccine non-responders health care workers

Efficacy of adjuvant levamisole user and levamisole non-user with hepatitis B vaccination in vaccine non-responders health care workers

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT2014012110417N3
Enrollment
40
Registered
2014-03-17
Start date
2013-11-22
Completion date
Unknown
Last updated
2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hepatitis B vaccination. Need for immunization against viral hepatitis

Interventions

Intervention 1: In intervention group, 50 mgr levamisole is used orally twice daily during 6 days before till 6 days after receiving each dose of vaccine (20 micrograms hepavax vaccine into deltoid at
Treatment - Drugs
Placebo
In intervention group, 50 mgr levamisole is used orally twice daily during 6 days before till 6 days after receiving each dose of vaccine (20 micrograms hepavax vaccine into deltoid at 0-1-2 months)
The control group was given placebo instead of levamisole

Sponsors

Kermanshah University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Inclusion criteria: employees who have a history of hepatitis B vaccination and they aren’t immunized against this disease (HBsAb under 10); completing an informed consent form. Exclusion criteria: employees with history or facing with positive HBsAg and HBcAb hepatitis

Exclusion criteria

Exclusion criteria:

Design outcomes

Secondary

MeasureTime frame
Side effects of medication or placebo. Timepoint: During the study period. Method of measurement: Interview.

Primary

MeasureTime frame
Antibody titer to hepatitis B. Timepoint: One month after starting intervention - three months after the first intervention - one month after the last intervention. Method of measurement: Laboratory measurement of antibody titer.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactArmin Vazirian

Kermanshah University of Medical Sciences

arminawa@yahoo.com+98 83 1427 6330

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026