NCT00556062

Brief Summary

To evaluate the safety and immunogenicity of the three consecutive lots of an seasonal split influenza vaccine Anflu in adults, a randomized, double-blind and controlled clinical trial was conducted in 560 subjects in Tianjin City of China.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
566

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Sep 2007

Shorter than P25 for phase_4

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 2007

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2007

Completed
7 days until next milestone

First Submitted

Initial submission to the registry

November 8, 2007

Completed
1 day until next milestone

First Posted

Study publicly available on registry

November 9, 2007

Completed
Last Updated

November 9, 2007

Status Verified

November 1, 2007

First QC Date

November 8, 2007

Last Update Submit

November 8, 2007

Conditions

Outcome Measures

Primary Outcomes (1)

  • Haemagglutination-inhibition (HI) antibody titer of influenza A H1N1, influenza A H3N2 and influenza B

    0, 21 days

Secondary Outcomes (1)

  • local and systematic adverse reactions after vaccination

    within 3 days after vaccination

Study Arms (4)

1: Lot 1

EXPERIMENTAL
Biological: seasonal split influenza vaccine

2: Lot 2

EXPERIMENTAL
Biological: seasonal split influenza vaccine

3: Lot 3

EXPERIMENTAL
Biological: seasonal split influenza vaccine

4: control vaccine

ACTIVE COMPARATOR
Biological: seasonal split influenza vaccine

Interventions

0.5 ml/dose, containing 45 μg influenza HA antigens, 15 μg each subtype; one dose regime

1: Lot 1

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy adults aged 18-60 years old
  • Be able to show legal identity card for the sake of recruitment Without vaccination history of seasonal split influenza vaccine in the recent 3 years
  • Not participate in any other clinical trials during the study
  • Not receive any immunosuppressive agents during and one month prior to the study
  • Be able to understand and sign the informed consent.

You may not qualify if:

  • Woman: Who breast-feeding or planning to become pregnant during the study
  • Any history of allergic reactions; was allergic to any component of the vaccine, such as eggs or ovalbumin
  • Any history of severe adverse reactions to vaccines, such as anaphylaxis, hives, respiratory difficulty, angioedema, or abdominal pain
  • Autoimmune disease or immunodeficiency
  • Acute episode of chronic diseases or conditions, including chronic hepatitis, hypertension, diabetes mellitus and cardiovascular diseases
  • Guillain-Barre Syndrome
  • Women subjects with positive urinary pregnancy test
  • Any history of immunosuppressive medications or cytotoxic medications or inhaled corticosteroids within the past six months (with the exception of corticosteroid nasal spray for allergic rhinitis or topical corticosteroids for an acute uncomplicated dermatitis)
  • Axillary temperature \>37.0 centigrade at the time of dosing
  • Psychiatric condition that precludes compliance with the protocol; past or present psychoses; past or present bipolar disorder requiring therapy that has not been well controlled on medication for the past two years; disorder requiring lithium; or suicidal ideation occurring within five years prior to enrollment
  • Any medical, psychiatric, social condition, occupational reason or other responsibility that, in the judgment of the investigator, is a contraindication to protocol participation or impairs a volunteer's ability to give informed consent.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Influenza, Human

Condition Hierarchy (Ancestors)

Respiratory Tract InfectionsInfectionsOrthomyxoviridae InfectionsRNA Virus InfectionsVirus DiseasesRespiratory Tract Diseases

Study Officials

  • Zhilun Zhang

    Tianjin centers for Disease Control and Prevention

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

November 8, 2007

First Posted

November 9, 2007

Study Start

September 1, 2007

Study Completion

November 1, 2007

Last Updated

November 9, 2007

Record last verified: 2007-11