A Safety and Efficacy Study of the Hepatitis E Vaccine in Nepal.
|The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.|
|ClinicalTrials.gov Identifier: NCT00287469|
Recruitment Status : Withdrawn (IND was inactivated)
First Posted : February 6, 2006
Last Update Posted : December 28, 2016
|Condition or disease||Intervention/treatment||Phase|
|Hepatitis||Biological: Hepatitis E vaccine, recombinant (Sar 56 kDa)||Phase 2|
This is a prospective, randomized, double-blind, placebo-controlled with 2 study groups (vaccine and placebo). Three doses of the study vaccine are given according to a 0, 1, 6 month schedule. Vaccine efficacy will be assessed by maintaining active surveillance for clinical hepatitis every 2 weeks and hospital based surveillance for the full duration of the trial. Total planned study population is 2000 eligible subjects (1000 in the vaccine group and 1000 in the placebo group). Total vaccinated cohort for the analysis of reactogenicity is 200 (100 in the vaccine group and 100 in the placebo group).
Volunteers who enroll will be followed for evidence of symptomatic liver disease for approximately 2 years, and those who become ill will be admitted to hospital for care.
To evaluate safety, a randomly designated subset will be monitored for 7 days after each vaccination to solicit specific symptoms at the injection site and generally. Additionally, all adverse events will be collected for 30 days after each vaccine dose and all serious adverse events will be collected throughout the trial.
|Study Type :||Interventional (Clinical Trial)|
|Actual Enrollment :||0 participants|
|Intervention Model:||Single Group Assignment|
|Official Title:||A Phase II, Prospective, Randomized, Double-blind, Placebo Controlled, Field Efficacy Trial of a Candidate Hepatitis E Vaccine in Nepal.|
|Study Start Date :||February 2000|
|Estimated Study Completion Date :||January 2004|
- definite hepatitis E disease with onset at least two weeks after vaccine/placebo dose 3.
- definite and probable hepatitis E disease with onset at least two weeks post vaccine/placebo dose 3
- definite hepatitis E disease with onset at least two weeks post vaccine/placebo dose and before two weeks after vaccine/placebo dose 3.
- hepatitis E disease severity.
- vaccine safety
- level of total immunoglobulin to HEV capsid
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00287469
|Shree Birendra Hospital|
|Principal Investigator:||Mrigendra P Shrestha, MD||Armed Forces Research Institute of Medical Sciences, Thailand|
|Principal Investigator:||Robert M Scott, MD||Walter Reed Army Institute of Research (WRAIR)|