| Not Yet Recruiting | Comparative Evaluation of Oral Ursodeoxycholic Acid in Reducing Bilirubin Levels Among Patients With Acute Vir NCT07525401 | Combined Military Hospital, Pakistan | N/A |
| Not Yet Recruiting | the Five-year Antibody Persistence After Immunization With IPV, MMR and HepA-L Vaccines NCT07338851 | China National Biotec Group Company Limited | — |
| Recruiting | Risk Assessment of Community Spread of Multiple Endemic Infectious Diseases in a One Health Perspective NCT07358910 | Institut Pasteur du Cambodge | — |
| Not Yet Recruiting | Immunity With Acute Hepatits A NCT06942962 | Assiut University | — |
| Not Yet Recruiting | Long-term Immunogenicity of L-HAV Vaccine Among Healthy Thai Children and Adolescents NCT07032610 | Chiang Mai University | — |
| Recruiting | Immunogenicity and Safety of I-HAV in Healthy Thai Children and Adolescents Lacking Protective Antibody After NCT06978621 | Chiang Mai University | Phase 3 |
| Not Yet Recruiting | Phase IV Study of Concomitant Administration of the sIPV and HepA NCT06460545 | Institute of Medical Biology, Chinese Academy of Medical Sciences | Phase 4 |
| Completed | Immunogenicity and Safety of Inactivated and Live-attenuated HAV Vaccine Among Thai Healthy Children and Adole NCT06298708 | Chiang Mai University | Phase 3 |
| Unknown | Persistence of Hepatitis A Antibody in Healthy Adults ~32 Years Post Vaccination. NCT06184230 | Best Healthcare Inc. | Phase 4 |
| Completed | Immunogenicity and Safety of Inactivated Hepatitis A Vaccine in HIV-infected People NCT06576024 | LiuZhou People's Hospital | Phase 4 |
| Active Not Recruiting | Immunogenicity and Safety of Hepatitis A Among People Aged 18-50 Years Old NCT06058416 | Sinovac Biotech Co., Ltd | Phase 4 |
| Unknown | To Evaluate the Immunogenicity and Safety of Inactivated Hepatitis A Vaccine in Healthy Children Aged From 24m NCT05613127 | Boryung Biopharma Co., Ltd. | Phase 3 |
| Completed | What is the Anti-HAV Seroprevalence of Travelers >60 Years or Having Lived in a Tropical Country for >5 Years NCT04638335 | University of Lausanne Hospitals | — |
| Withdrawn | Increasing Healthcare Engagement Via Routine Vaccination Among Young Black Men Who Have Sex With Men NCT03445416 | Ann & Robert H Lurie Children's Hospital of Chicago | N/A |
| Withdrawn | Immunogenicity and Persistence of GlaxoSmithKline (GSK) Biologicals' Havrix® in Healthy Adult Subjects Vaccina NCT03183492 | GlaxoSmithKline | Phase 4 |
| Completed | Effects of Aging on Primary and Secondary Vaccine Responses NCT03312699 | Stanford University | Phase 1 |
| Completed | Effectiveness of Booster With 1 or 2 Doses of HAV Vaccine Among HIV-infected Patients NCT03855176 | National Taiwan University Hospital | Phase 4 |
| Unknown | Comparative Immunogenicity Study of Two Hepatitis A Vaccines NCT03231605 | China National Biotec Group Company Limited | Phase 4 |
| Unknown | Safety and Immunogenicity of Measles Vaccine, Varicella Vaccine and Hepatitis-A Vaccine NCT03330171 | University of Witwatersrand, South Africa | Phase 4 |
| Withdrawn | Hepatitis B in Cystic Fibrosis and Latent Tuberculosis Respectively NCT02605538 | Karolinska University Hospital | N/A |
| Withdrawn | Evaluation of the Long-term Hepatitis A and B Antibody Persistence in Healthy Adult Subjects, Primed 16 to 20 NCT02135666 | GlaxoSmithKline | Phase 4 |
| Withdrawn | Evaluation of the Long-term Persistence of Hepatitis A Antibodies in Healthy Adults Who Were Vaccinated 21-25 NCT02124785 | GlaxoSmithKline | Phase 4 |
| Completed | Study to Assess Seroprevalence of Hepatitis A, Hepatitis B and Bordetella Pertussis in Mexico NCT02112890 | GlaxoSmithKline | — |
| Completed | Comparison of Immunization Schedules of Inactivated Hepatitis A Vaccine and Combined Hepatitis A and Hepatitis NCT02445703 | Sinovac Biotech Co., Ltd | Phase 4 |
| Completed | Safety of Two Doses of Avaxim® 80U Pediatric (Inactivated Hepatitis A Vaccine) in Toddlers, Children and Adole NCT02011763 | Sanofi Pasteur, a Sanofi Company | Phase 4 |
| Completed | The Effects of Honey, as a Dietary Supplement in Children With Hepatitis A NCT02300792 | Ain Shams University | Phase 2 |
| Completed | The Immunogenicity and Safety of Inactivated and Live Attenuated Hepatitis A Vaccines NCT01949857 | Institute of Medical Biology, Chinese Academy of Medical Sciences | Phase 4 |
| Completed | Regulatory Post-Marketing Surveillance Study for Hepatitis A Vaccine (AVAXIM 160U) NCT01838070 | Sanofi Pasteur, a Sanofi Company | — |
| Completed | Immunogenicity and Safety of Inactivated and Live Attenuated Hepatitis A Vaccines NCT02601040 | Jiangsu Province Centers for Disease Control and Prevention | Phase 4 |
| Completed | Study to Evaluate the Safety and Immunogenicity of Combined Hepatitis A/B Vaccine With MenACWY-CRM Conjugate V NCT01453348 | Novartis Vaccines | Phase 3 |
| Completed | Immunogenicity of Hepatitis A Vaccine in Inflammatory Bowel Disease (IBD) Patients NCT01341808 | Asan Medical Center | Phase 4 |
| Completed | Hepatitis A Vaccination in the Elderly NCT01353989 | Rijnstate Hospital | — |
| Completed | Immunogenicity and Interchangeability of Two Inactivated Hepatitis A Vaccines NCT01252680 | Sinovac Biotech Co., Ltd | Phase 4 |
| Completed | A Study to Evaluate the Safety and Immunogenicity of the Hepatitis A Virus Vaccine HAVpur in Healthy Young Chi NCT01349829 | Crucell Holland BV | Phase 4 |
| Completed | Seroprevalence Study of Hepatitis A, Varicella-Zoster, Cytomegalovirus, Herpes Simplex and Bordetella Pertussi NCT01160081 | GlaxoSmithKline | — |
| Completed | Long-term Persistence Study in Healthy Adults Previously Vaccinated With Twinrix Adult NCT01037114 | GlaxoSmithKline | Phase 4 |
| Completed | Antibody Persistence & Immune Memory in Healthy Adults Previously Vaccinated With Twinrix Adult NCT01000324 | GlaxoSmithKline | Phase 4 |
| Unknown | Serological Evaluation of Varicella and Hepatitis A Vaccines Using Injector Delivery NCT00926419 | University of Sao Paulo General Hospital | Phase 2 / Phase 3 |
| Completed | Evaluation of Antibody Persistence & Immune Memory in Subjects Vaccinated During Adolescence With Twinrix™ NCT00875485 | GlaxoSmithKline | Phase 4 |
| Completed | The Fifth-year Follow-up Study for the Phase IV Clinical Trial of Hepatitis A Vaccine in Healthy Children NCT02002065 | Sinovac Biotech Co., Ltd | — |
| Completed | Comparison of Immunogenicity and Safety of Inactivated and Live Attenuated Hepatitis A Vaccines in Young Adult NCT01865968 | Sinovac Biotech Co., Ltd | Phase 4 |
| Completed | Study of ChimeriVax™-Japanese Encephalitis Vaccine in Toddlers in Thailand and the Philippines NCT00735644 | Sanofi Pasteur, a Sanofi Company | Phase 3 |
| Completed | Evaluation of Immune Memory to Twinrix or Comparator by Challenge Dose Administration 4 Years After Primary Va NCT00684671 | GlaxoSmithKline | Phase 4 |
| Completed | Immunogenicity and Safety of ChimeriVax™ Japanese Encephalitis Vaccine in Thai Toddlers and Children NCT00621764 | Sanofi Pasteur, a Sanofi Company | Phase 2 |
| Completed | Study to Show That the Combined Hepatitis A and B Vaccine is Non-inferior to Monovalent Vaccines in Adults NCT00603252 | GlaxoSmithKline | Phase 4 |
| Completed | Immunogenicity and Safety of Sanofi Pasteur's AVAXIM 80U Pediatric Vaccine Followed by Booster Dose NCT00483470 | Sanofi Pasteur, a Sanofi Company | Phase 3 |
| Completed | Hepatitis A Vaccine, Inactivated and Measles, Mumps, Rubella and Varicella Virus Vaccine Live Safety Study (V2 NCT00326183 | Merck Sharp & Dohme LLC | Phase 4 |
| Completed | Long Term Follow-up of a Study to Assess the Safety and Immunogenicity of a Hepatitis A Vaccine Administered W NCT01307436 | Crucell Holland BV | Phase 3 |
| Unknown | Hepatitis Vaccination in HIV Infection: Role of Adjuvant Interleukin-2 NCT00451984 | Aalborg University Hospital | Phase 3 |
| Completed | Immunogenicity and Safety of Hepatitis A Vaccine Given at the Same Time of Measles, Mumps, Rubella Combined Va NCT00313950 | Sanofi Pasteur, a Sanofi Company | Phase 4 |
| Completed | Safety and Immunogenicity Study of GlaxoSmithKline (GSK) Biologicals' 10-valent Pneumococcal Conjugate Vaccine NCT00338351 | GlaxoSmithKline | Phase 2 |
| Completed | Safety, Immunogenicity, and Immune Persistence Study of an Inactivated Hepatitis A Vaccine NCT00534885 | Sinovac Biotech Co., Ltd | Phase 4 |
| Completed | Safety of GlaxoSmithKline (GSK) Biologicals Hepatitis A Vaccine in Korean Population NCT00237991 | GlaxoSmithKline | — |
| Completed | Long-term Immune Persistence of GSK Biologicals' Combined Hepatitis A & B Vaccine Injected According to a 0,1, NCT00289770 | GlaxoSmithKline | Phase 3 |
| Completed | Long-Term Immune Persistence of GSK Biologicals' Combined Hepatitis A & B Vaccine Injected According to a 0,1, NCT00289718 | GlaxoSmithKline | Phase 3 |
| Completed | A Randomized Trial of Vaccine Adherence in Young Injection Drug Users NCT00244374 | University of California, San Francisco | N/A |
| Completed | Safety and Immunogenicity of a Paediatric Dose of Virosomal Hepatitis A Vaccine NCT01405677 | Crucell Holland BV | Phase 2 |
| Completed | Long-Term Follow-Up Studies at Year 6, 7, 8, 9, 10: 2 Formulations of Combined Hepatitis A/B Vaccine Compared NCT00197119 | GlaxoSmithKline | Phase 3 |
| Completed | Long-Term Immune Persistence of GSK Biologicals' Combined Hepatitis A & B Vaccine Injected According to a 0,6 NCT00289744 | GlaxoSmithKline | Phase 3 |
| Completed | Long-Term Immune Persistence of GlaxoSmithKline Biologicals' Inactivated Hepatitis A Vaccine, Injected Accordi NCT00289757 | GlaxoSmithKline | Phase 4 |
| Completed | Long-Term Immune Persistence of GlaxoSmithKline Biologicals' Inactivated Hepatitis A Vaccine Injected Accordin NCT00291876 | GlaxoSmithKline | Phase 4 |
| Completed | Effect of Risk Factors Likely to Influence Immuno of Combined Hepatitis A & B Vacc vs Monovalent Hepatitis A & NCT00289731 | GlaxoSmithKline | Phase 4 |
| Completed | Immunogenicity and Safety of Havrix™ Co-Administered With a Diphtheria, Tetanus and Pertussis and a Haemophilu NCT00197236 | GlaxoSmithKline | Phase 3 |
| Completed | Long Term Follow-up Study at Years 2, 3, 4 and 5 Where 2 Dosing Schedules of the Combined Hepatitis A and B Va NCT00197184 | GlaxoSmithKline | Phase 3 |
| Completed | Immunogenicity & Safety of Hepatitis A Vaccine Co-admin With a Measles/Mumps/Rubella & a Varicella Vaccine in NCT00197015 | GlaxoSmithKline | Phase 3 |
| Completed | Immune Response & Safety of a Hepatitis A Vaccine Given Together With a Pneumococcal Vaccine in Healthy Childr NCT00197002 | GlaxoSmithKline | Phase 3 |
| Completed | A Study to Compare the Efficacy of Hepatitis A Vaccine and Immune Globulin When Given After Exposure to Hepati NCT00139139 | Centers for Disease Control and Prevention | N/A |
| Completed | Long Term F/U Studies at Y5&6 to Demonstrate the Equivalence of 2 Vaccination Schedules of Combined Hepatitis NCT00197171 | GlaxoSmithKline | Phase 3 |
| Completed | Comparative Study in Healthy Adults Aged 18-50 Yrs Administered With Hepatyrix or Havrix+Typherix or Tiphim Vi NCT00197249 | GlaxoSmithKline | Phase 3 |
| Terminated | A Efficacy Against Otitis Media in Children With 11 Valent Pneumococcal Vaccine NCT00119743 | GlaxoSmithKline | Phase 3 |
| Completed | Immunogenicity Study of an Inactivated Hepatitis A Vaccine in Infants and Young Children NCT00139113 | Centers for Disease Control and Prevention | Phase 4 |