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Effectiveness and Safety of Intra-Dermal Hepatitis B Vaccination After Topical Application of IMIQUIMOD, in Cirrhotics Patients, Who Did Not Respond to the Conventional Vaccine Regimen: a Pilot Study
In a population of cirrhotics patients who did not responde to an anti-HBV vaccination according to the recommended vaccination, the goal is to : Describe the proportion of patients with HBs antibody levels greater than 10mUI/mL at 1 month of the last injection of vaccine ; with a M0-M1-M6 vaccine regimen using 3 vaccines strategies : * After simple intramuscular vaccine (IM) ( Control group ) * After simple intradermal vaccine * after IMIQUIMOD's application followed by intradermal vaccine administration The main hypothesis of this study is : IMIQUIMOD acts as an immunity booster, so the combination of IMIQUIMOD with an intra-dermal injection of the anti-HBV vaccine allows better acquisition of post-vaccination immunization.
This study will be in a population of Cirrhotic patients who have already received a HBV vaccination with a conventional regimen and who have not responded (characterized by a level of antibody Hbs \< 10UI/ml at the end of the vaccine regimen). In current recommendations, up to 3 additional injections of HBV vaccine should be injected to obtain an antibody level\> 10 mIU / ml. In this study, the investigator will describe the proportion of patients with HBs antibody levels greater than 10mUI/mL at 1 month of the last injection of vaccine ; with a M0-M1-M6 vaccine regimen using 3 vaccines strategies : * After simple intramuscular vaccine (IM) ( Control group ) * After simple intradermal vaccine * after IMIQUIMOD's application followed by intradermal vaccine administration
Age
18 - No limit years
Sex
ALL
Healthy Volunteers
No
Start Date
November 1, 2021
Primary Completion Date
December 1, 2024
Completion Date
December 1, 2024
Last Updated
August 31, 2021
60
ESTIMATED participants
IMIQUIMOD cream
DRUG
HEPATITIS B SURFACE ANTIGEN
BIOLOGICAL
Lead Sponsor
Central Hospital, Nancy, France
NCT07343037
NCT06671093
Data Source & Attribution
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