NCT03855176

Brief Summary

Though HAV is mainly transmitted through the fecal-oral route, infection by sexual intercourse and blood transfusion is also possible. Injection drug users (IDUs) and men who have sex with men (MSM) have a higher risk of acquiring HAV due to their behaviors. Reemerging threat of hepatitis A among MSM in Taiwan has been reported recently. Based on the guidelines for the diagnosis and treatment of HIV/AIDS and the Advisory Committee on Immunization Practices (ACIP), Taiwan, vaccination of individuals against HAV with any of the following indications is recommended: HIV patients, adults with chronic hepatic disease, hemophilia, liver transplantation, occupational exposure, MSM, persons who use injection or noninjection illicit drugs, or persons traveling to or working in countries that have endemicity of HAV. In HIV-infected patients, the immunogenicity to HAV vaccination is sub-optimal in HIV-infected patients and the seroconversion rate is estimated 68-90% after administration of 2 or 3 doses of HAV vaccine. Furthermore, the antibody titers of HIV-infected patients following HAV vaccination are significantly lower compared to those of HIV-uninfected persons. The sub-optimal response among HIV-infected subjects remains an unresolved problem. In this study, the investigators aim to determine the to conduct a randomized clinical trial to compare the immunogenicity of 2 different doses of HAV vaccination (1 dose versus 2 doses) in HIV-infected patients who failed to achieve serologic response in the primary vaccination. This proposal will provide the solid evidence to elucidate the role of booster HAV vaccination in HIV-infected patients without response to primary HAV vaccination.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
153

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Sep 2017

Longer than P75 for phase_4

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 12, 2017

Completed
Same day until next milestone

Study Start

First participant enrolled

September 12, 2017

Completed
1.5 years until next milestone

First Posted

Study publicly available on registry

February 26, 2019

Completed
3.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2022

Completed
Last Updated

January 26, 2023

Status Verified

January 1, 2023

Enrollment Period

5.3 years

First QC Date

September 12, 2017

Last Update Submit

January 25, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Serological responses at week 48

    Serological responses to HAV vaccination at week 48 after boosting vaccination

    Week 48

Other Outcomes (1)

  • Vaccine reaction

    Vaccine reaction within 28 days after HAV vaccination

Study Arms (2)

1-dose group

ACTIVE COMPARATOR

Provide 1 booster dose of HAV vaccine (Vaqta Injectable Product) to those who failed to response after primary HAV vaccination.

Drug: Vaqta Injectable Product

2-dose group

EXPERIMENTAL

Provide 2 booster doses of HAV vaccine (Vaqta Injectable Product) to those who failed to response after primary HAV vaccination.

Drug: Vaqta Injectable Product

Interventions

Inactive vaccine against hepatitis A virus

1-dose group2-dose group

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • HIV-positive individuals aged 20 year or more, and
  • Those who had completed at least a primary series of HAV vaccination (i.e. two doses of HAVRIX 1440, 6-12 months apart; or two doses of Vaqta 50U, 6-18 months apart), and
  • Those who failed to achieve serological response at least 4 weeks after the last dose of primary HAV vaccination.

You may not qualify if:

  • Patients who have acute illness or acute hepatitis A related symptoms (fever, malaise, nausea, vomiting, abdominal discomfort, and jaundice) within 30 days.
  • Patients who have positive anti-HAV IgM within 30 days.
  • Patients who were taking immunosuppressant or steroid.
  • Patients who were allergic to HAV vaccine.
  • Incompetent or unconsented patients.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

National Taiwan University Hospital

Taipei, Taiwan

Location

Related Publications (1)

  • Chen GJ, Sun HY, Lin KY, Hsieh SM, Chuang YC, Liu WD, Huang YS, Pan SC, Wu UI, Cheng A, Huang YC, Wu CH, Su YC, Liu WC, Chang SY, Hung CC. A Randomized Clinical Trial of 1-Dose vs Accelerated 2-Dose Schedule for Hepatitis A Virus (HAV) Revaccination Among People With Human Immunodeficiency Virus Who Were Nonresponders or Had Seroreversion After Primary HAV Vaccination. Clin Infect Dis. 2023 Aug 22;77(4):529-536. doi: 10.1093/cid/ciad206.

MeSH Terms

Conditions

Hepatitis AAcquired Immunodeficiency Syndrome

Condition Hierarchy (Ancestors)

Hepatitis, Viral, HumanVirus DiseasesInfectionsEnterovirus InfectionsPicornaviridae InfectionsRNA Virus InfectionsHepatitisLiver DiseasesDigestive System DiseasesHIV InfectionsBlood-Borne InfectionsCommunicable DiseasesSexually Transmitted Diseases, ViralSexually Transmitted DiseasesLentivirus InfectionsRetroviridae InfectionsSlow Virus DiseasesGenital DiseasesUrogenital DiseasesImmunologic Deficiency SyndromesImmune System Diseases

Study Officials

  • Chien-Ching Hung

    National Taiwan University Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 12, 2017

First Posted

February 26, 2019

Study Start

September 12, 2017

Primary Completion

December 30, 2022

Study Completion

December 30, 2022

Last Updated

January 26, 2023

Record last verified: 2023-01

Data Sharing

IPD Sharing
Will not share

Locations