B14 Meningococcal Carriage in Seine-Maritime Population: Prevalence Study and Search of Risk Factors

Medical Practices and Representations of People From Haiti in French Guiana

NCT06539130 ·Status: COMPLETED

Molecular Epidemiology of Hepatitis B in Cayenne General Hospital, French Guiana

NCT04886102 ·Status: UNKNOWN

Mutations of the Pre-core Region of Hepatite B Virus (HBV)

NCT03625258 ·Status: COMPLETED

The Immunogenicity and Persistence of Booster Dose With Hepatitis B Vaccine in College Students

NCT05099757 ·Status: UNKNOWN ·Phase: PHASE4

"Real-life" Cohort Study on Patients With Chronic HBV Infection in Jiangsu

NCT03097952 ·Status: RECRUITING

Assessment of Hepatitis B Virus Intra-host Population and Host-specific Immune Marker Diversity

NCT02148562 ·Status: UNKNOWN

Risk Factors and Characteristics of COVID 19 Infection in Patients With Haematological Diseases

NCT04930731 ·Status: UNKNOWN

National Cohort of Patients Co-infected With Hepatitis B and Delta Viruses

NCT04166266 ·Status: RECRUITING

Munich Long COVID Registry for Children, Adolescents, and Adults

NCT05638724 ·Status: RECRUITING

Gene Discovery in CHB Patients to Identify Unknown Pathways That Lead to B and NK Cell Deregulation

NCT06853886 ·Status: RECRUITING ·Phase: NA

Observational Study of B-Cell Non Hodgkin Lymphomas (NHL) Associated With Hepatitis C Virus (HCV)

NCT01545544 ·Status: UNKNOWN

Intrafamilial Transmission of Hepatitis B Virus: Frequency, Risk Factors, and Role of Hepatitis B Vaccination

NCT05523921 ·Status: UNKNOWN

Preliminary Validation of an in Vitro Diagnosis-medical Device for Hepatitis B Screening

NCT04109625 ·Status: COMPLETED ·Phase: NA

Hepatitis B Vaccine Genetics: A Substudy of ATN 024 and ATN 025

NCT00142740 ·Status: COMPLETED

Prophylactic Use of Entecavir for HBsAg Negative/HBcAb Positive/Hepatitis B Virus DNA Negative Patients With Lymphoma

NCT01765231 ·Status: UNKNOWN ·Phase: PHASE4

"Real-life" Cohort of Patients With Chronic Hepatitis B Virus Infection

NCT01732081 ·Status: UNKNOWN

Hepatitis B en Haitian Immigrants in Chile: Molecular Characterization and Determination of Vaccine Response

NCT04326803 ·Status: UNKNOWN ·Phase: PHASE4

This Study Aims to Determine the Incidence, of Hepatitis B Diagnosis Among Diabetes Mellitus Patients of 0-80 Years of Age

NCT02324218 ·Status: COMPLETED

Clinical Characteristics, Natural Outcome and Treatment Optimization of Refractory

NCT05376124 ·Status: RECRUITING

Hepatitis B Prevalence in the Turkish Population Living in Middle Limburg

NCT03396458 ·Status: UNKNOWN

Risk of Hepatitis B Reactivation in Patients With Prior HBV Exposure Undergoing Rituximab-containing Chemotherapy: A Prospective Study

NCT01502397 ·Status: COMPLETED

Exposure to Hepatitis E Virus in Occitania, France

NCT06137313 ·Status: RECRUITING

Evaluation of Immunoprotection Provided by Hepatitis B Vaccine After Birth in Healthy Children

NCT04439435 ·Status: UNKNOWN

Genes Involved in Resistance or Susceptibility to Hepatitis B Virus

NCT00342186 ·Status: COMPLETED

Empowering Immigrants in the Greater Boston Area to Connect to HBV Care

NCT02342821 ·Status: UNKNOWN