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Hepatitis APhase 4NCT03231605

Comparative Immunogenicity Study of Two Hepatitis A Vaccines

A Phase 4 study testing Hepatitis A Vaccine in people with Hepatitis A, run by China National Biotec Group Company Limited at 1 site in China.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Hepatitis A is the most prevalent hepatitis which account for approximately 45% . The susceptible population is Children and adolescence, also the morbidity in adult presented rising trend in recent years. Therefore, vaccination of Hepatitis A Vaccine play an important role in National Immunisation Program(China). Read more about this study

Who is it for?
Ages 18 to 24 monthsHealthy volunteers can take part
Conditions the study is for
Hepatitis A
What is being tested?
Hepatitis A Vaccine
Type of treatment
Vaccines
Could I receive a placebo?
No, everyone receives an active treatment
How many people
300 participants
Where
1 siteChina
Study dates
26 Jul 2017to 29 Dec 2017
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 24 months
  • All sexes
  • Healthy volunteers accepted
  • Child

Who may be able to join

  • The healthy children in mental and physical aged between 18-24 months, and the guardians agree and fully understand the protocol.
  • No Hepatitis A disease and contraindication of vaccination
  • No history of Hepatitis A Vaccine
  • The subjects can follow the requirements of experiment project.
  • Do not vaccinate other vaccine in one months.
  • Axillary's temperature≤37℃

Who cannot join

  • Having severe diseases.
  • Allergy to the components in Vaccine
  • Immune abnormalities
  • The people who do not agree with the Inclusion Criteria
  • Have a serious chronic disease
  • Any conditions which researcher think will influence the results or the subjects.

Trial locations and contacts

1 site in 1 country.

China1 site
  • Shanxi Provincial Center for Disease Control and Prevention

    Yuncheng, Shanxi

Other trials in China

About this study

Official title: Comparative Immunogenicity Study of Two Live Attenuated Hepatitis A Vaccines

Hepatitis A is the most prevalent hepatitis which account for approximately 45% . The susceptible population is Children and adolescence, also the morbidity in adult presented rising trend in recent years. Therefore, vaccination of Hepatitis A Vaccine play an important role in National Immunisation Program(China). The aim of this experiment is to verify the effects of experimental group non-inferior than control group. The experiment methods is compared the difference of seroconversion rate and Antibody geometric mean titer (GMT)between experimental and control Hepatitis A Vaccines. In addition, evaluating the safety of two Hepatitis A Vaccines in 18-24 months Chinese Children.

Conditions
Hepatitis A
Being tested
Hepatitis A Vaccine
Medical subject headings
Hepatitis A

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Hepatitis A VaccineBiological

    Vaccinating two Hepatitis A Vaccines separately in 18-24 months Children based on the grouping result .

Study groups in NCT03231605
Study groupRoleWhat they receive
Group 1ExperimentalGroup 1 is experimental group which used the Hepatitis A Vaccine product by Changchun Institute of Biological Co.,Ltd
Receives: Biological: Hepatitis A Vaccine
Group 2Active comparatorGroup 2 is control group which used the Hepatitis A Vaccine product by Changchun Changsheng Life Sciences Limited
Receives: Biological: Hepatitis A Vaccine

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. To verify the protection rate and antibody quantity of experimental vaccine non-inferior than control vaccine.

    Collecting serum of subjects before, after vaccination immediately and after 35-42 days, and testing the quantity of antibody. Compared the difference of antibody quantity between two types Hepatitis A Vaccine and the Multiple of antibody based on the time.

    Measured: 35-42 days

Secondary outcomes (1)
  1. Number of participants with treatment-related adverse events as assessed by CTCAE v4.0

    Observation 30 minutes after vaccination and give guardians feedback forms to record untoward effects, collecting the forms after 1 month when the subjects conduct the third time blood collection.

    Measured: 1 month

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted27 Jul 2017
  2. Study start26 Jul 2017
  3. Primary completion31 Aug 2017 (estimated)
  4. Study completion29 Dec 2017 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Outcomes assessor
Enrolment
300 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03231605
Sponsor's protocol ID
91110000100010062X
Status last verified
Jul 2017
First submitted
20 Jul 2017
Last updated
1 Aug 2017
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided: Based on the literature public progress.

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Hepatitis A Vaccine in people with Hepatitis A, run by China National Biotec Group Company Limited at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 1 Aug 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

To verify the protection rate and antibody quantity of experimental vaccine non-inferior than control vaccine. (time frame: 35-42 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 1 Aug 2017.

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Clinical Trial NCT03231605 | AzTrials