U.S., March 22 -- ClinicalTrials.gov registry received information related to the study (NCT06888479) titled 'Optimal Timing of Hepatitis B Vaccination After Transplants' on Jan. 14.

Brief Summary: The investigators aim to perform a randomized clinical trial to determine the optimal timing of hepatitis B vaccination after hematopoietic cell transplantation (HCT) through evaluating the immunity effect of two different vaccination schedules (initiated at 3 or 6 months after transplantation) in patients with different immune reconstitution status.

Study Start Date: June 01, 2025

Study Type: INTERVENTIONAL

Condition: Transplant-Related Disorder Hepatitis B Virus Infection Vaccine Reaction

Intervention: BIOLOGICAL: hepatitis B vaccine

Th...