Immunogenicity and Safety of Sci-B-Vac® to Engerix-B® in Adults
Public ClinicalTrials.gov record NCT03393754. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 3 Double-Blind Randomized Controlled Trial to Compare the Immunogenicity and Safety of a Three-dose Regimen of Sci-B-Vac® to a Three-dose Regimen of Engerix-B® in Adults (PROTECT)
Study identification
- NCT ID
- NCT03393754
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- VBI Vaccines Inc.
- Industry
- Enrollment
- 1,607 participants
Conditions and interventions
Conditions
Interventions
- Hepatitis B Vaccination Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 12, 2017
- Primary completion
- Apr 7, 2019
- Completion
- Apr 7, 2019
- Last update posted
- Jul 16, 2020
2017 – 2019
United States locations
- U.S. sites
- 10
- U.S. states
- 9
- U.S. cities
- 10
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Accel Research Sites | Birmingham | Alabama | 35216 | — |
| Anaheim Clinical Trials | Anaheim | California | 92801 | — |
| Avail Clinical Research | DeLand | Florida | 32720 | — |
| Suncoast Research Group | Miami | Florida | 33135 | — |
| Clinical Research Atlanta | Atlanta | Georgia | 30281 | — |
| Advanced Clinical Research | Boise | Idaho | 83642 | — |
| Clinical Research Center of Nevada | Las Vegas | Nevada | 89104 | — |
| Rapid Medical Research | Cleveland | Ohio | 44122 | — |
| Lynn Health Science Institute | Oklahoma City | Oklahoma | 73112 | — |
| Advanced Clinical Research | Salt Lake City | Utah | 84088 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 18 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03393754, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 16, 2020 · Synced Jul 21, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03393754 live on ClinicalTrials.gov.