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A Phase Ⅳ Clinical Trial of the Recombinant Hepatitis E Vaccine (Escherichia Coli)

Safety and Immunogenicity Study of the Recombinant Hepatitis E Vaccine(Escherichia Coli) in Healthy Volunteers Aged Over 65 Years

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02417597
Enrollment
600
Registered
2015-04-15
Start date
2015-04-30
Completion date
2016-05-31
Last updated
2016-05-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hepatitis E

Keywords

hepatitis E

Brief summary

This phase IV clinical study was designed to evaluate the safety and immunogenicity of the recombinant Hepatitis E vaccine(Hecolin®), manufactured by Xiamen Innovax Biotech CO., LTD., in healthy volunteers aged over 65 years of age at enrollment. The study volunteers will receive the 3 doses of Hecolin® administered intramuscularly according to a 0-1-6 month schedule.

Interventions

Participants would intramuscularly receive 3 doses of Recombinant Hepatitis E Vaccine (Escherichia Coli) at 0, 1, 6 month.

Sponsors

Xiamen University
CollaboratorOTHER
Beijing Wantai Biological Pharmacy Enterprise Co., Ltd.
CollaboratorINDUSTRY
Xiamen Innovax Biotech Co., Ltd
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

1. Healthy people aged over 18 years old on the day of enrollment 2. Axillary temperature is below than 37.0 ℃ 3. Blood pressure is not higher than 160/100 mmHg (with or without any medicine) 4. Judged as healthy and eligible for vaccination by the investigators through a self-reported medical history and some physical examinations. 5. Able to understand this study information and willing to comply with all study requirements. 6. Willing to participate in this study and sign informed consent form.

Exclusion criteria

1. Participated in any other clinical trial during the study period. 2. Use of any investigational product or non-registered product (drug or vaccine) within 30 days preceding the first dose of the study vaccine or plan to use during the study period. 3. Received immunosuppressed, immunoregulation therapy or corticosteroid systemic therapy for more than 14 days in the 6 months before entry, except local treatment. 4. Administration of any immunoglobulin or blood products within 3 months preceding the first dose of the study vaccine,or plan to use during the study period. 5. Administration of any inactivated vaccines within 14 days preceding the first dose of the study or attenuated live vaccines within 21 days preceding the first dose of the study. 6. Had a fever (axillary temperature over 38°C) within 3 days or acute illness requiring systemic antibiotics or antiviral treatment within 5 days before vaccination. 7. Immunodeficiency (such as HIV carriers), primary disease of important organs, malignant tumor, .or any immune disease (such as systemic lupus erythematosus, arthritis pauperum, splenectomy or functional asplenia or other disease which might affect immune response). 8. History of allergic disease or history of serious adverse events occurring after vaccination, i.e., allergy,urticaria, dyspnea, angioneurotic edema or abdominal pain. 9. Pregnant or breastfeeding 10. Allergic history to any component of this vaccine. 11. Other medical, psychological, social or occupational factors that, according to the investigators' judgment,might affect the individual's ability to obey the protocol or sign the informed consent.

Design outcomes

Primary

MeasureTime frameDescription
Adverse reactions/eventsup to 10 monthsMeasure solicited local adverse reactions within 7 days after each vaccination; Measure solicited systematic adverse reactions within 7 days after each vaccination; Measure unsolicited adverse reactions within 30 days after vaccination; Measure serious adverse events occurred throughout the study

Secondary

MeasureTime frameDescription
Anti-HEV antibody7 monthsMeasure anti-HEV antibody in serum samples at 7 month to evaluate the immunogenicity of the Hepatitis E vaccine.

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026