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Home › Medications › Hepatitis B vaccine

Hepatitis B vaccine

2 published articles · Updated continuously

Clinical Trial Landscape

Clinical Trials of Hepatitis B vaccine

11 trials tracked of Hepatitis B vaccine: 7 in phase 3 or 4 and 3 with published results. The most-cited published study has 15 citations.

11Trials tracked
7Phase 3 & 4
0Recruiting
3With published results
Phase distribution
Phase 4 1 Phase 3 6 Phase 2 1 Phase 1 2 Other / NA 1
  1. Phase 4 A Randomized,Parallel-group Clinical Trial of Hepatitis B Vaccine With Different Dosages and Schedules in Healthy Adults Completed · 15 cited
  2. Phase 3 Immunogenicity and Safety of a Quadrivalent Meningococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers in the US Completed · 1 cited
  3. Phase 3 Immunogenicity and Safety Study of a Quadrivalent Meningococcal Conjugate Vaccine Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers Completed
  4. Phase 3 Safety of a Quadrivalent Meningococcal Conjugate Vaccine Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers Completed
  5. Phase 3 Safety and Immunogenicity of a Quadrivalent Meningococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers in the Russian Federation and Mexico Completed
  6. Phase 3 Effectiveness Study of Human Papilloma Virus (HPV) Vaccines to Prevent Recurrence of Genital Warts Completed
Show 5 more trials
  1. Phase 3 Immunogenicity of DTaP-IPV-Hep B-PRP~T Combined Vaccine Compared With PENTAXIM™ and ENGERIX B® at 2-3-4 Months Schedule Completed
  2. Phase 2 A Study of a Quadrivalent Meningococcal Tetanus Protein Conjugate Vaccine in Infants and Toddlers Completed
  3. Phase 1 Immune Response to Systemic and Mucosal Antigenic Challenge in the Presence of Vedolizumab Completed
  4. Phase 1 Study of Co-administered Na-APR-1 (M74) and Na-GST-1 in Gabonese Children Completed
  5. N/A The Hepatitis B Vaccine Booster Response Among the Youth Who Had Completed Neonatal Hepatitis B Vaccines Completed

Showing the 11 most-cited and recently-updated of 11 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.
HEV 239 vaccine induces durable humoral and cellular immunity in Bangladeshi women
Gastroenterology RCT
HEV 239 vaccine induces durable humoral and cellular immunity in Bangladeshi women Hepatitis E vaccine shows durable immunity in women
This longitudinal cohort study in 1480 women aged 16-39 years in Bangladesh found that HEV 239 (Hecolin) vaccination led to significantly hi…
A hepatitis E vaccine kept women protected for up to 3 years, with stronger immune memory than a comparison group.
May 1, 2026
Hepatitis E vaccine linked to elevated spontaneous abortion risk when given 31-60 days before pregnancy
Gastroenterology RCT
Hepatitis E vaccine linked to elevated spontaneous abortion risk when given 31-60 days before pregnancy A Vaccine's Hidden Risk Window for Early Pregnancy Loss
An RCT in women vaccinated during or shortly before pregnancy found an elevated risk of spontaneous abortion (Relative Risk 4.3) in HEV239 r…
A Hepatitis E vaccine given one to two months before pregnancy is linked to a higher risk of miscarriage, forcing doctors to rethink timing …
Apr 13, 2026