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InfluenzaPhase 1/2NCT00814385

Immunogenicity of Adjuvanted or Non-adjuvanted H5N1 Booster Vaccine in Adults Primed to A/VN/1194/04

A Phase 1/2 study testing Aflunov (Single prime, single boost), Aflunov (Double prime, single boost) and Aflunov (No prime, single boost) in people with Influenza, run by University Hospitals, Leicester at 2 sites in United Kingdom.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study focuses on pre-pandemic priming of man against H5 influenza with the goal of mounting a robust antibody response to small quantities of vaccine either before or during an H5 pandemic. Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
Influenza
What is being tested?
Aflunov (Single prime, single boost), Aflunov (Double prime, single boost) and Aflunov (No prime, single boost)
Type of treatment
Vaccines
Could I receive a placebo?
No, everyone receives an active treatment
How many people
606 participants
Where
2 sitesUnited Kingdom
Study dates
Nov 2008to Dec 2013
Phase
Phase 1/2
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 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Subjects 18 to 59 years of age, or 60 years of age and older, mentally competent, who have signed an informed consent form after having received a detailed explanation of the study protocol;
  • Are in good health or have one or more stable (See footnote) medical conditions, as determined by:
  • Medical history,
  • Physical examination,
  • Clinical judgment of the medical investigator;
  • Are able to understand and comply with all study procedures and to complete study diaries, can be contacted, and will be available for study visits.
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  • Subjects who experienced fever (defined as axillary temperature >38oC) within 3 days prior to Visit 1;
  • Subjects who are pregnant or breastfeeding;
  • Females of childbearing potential who refuse to use an acceptable method of birth control for a period of 56 days before and after each vaccination. Adequate contraception is defined as hormonal (e.g., oral, injection, transdermal patch, implant, cervical ring), barrier (e.g., condom with spermicide or diaphragm with spermicide), intrauterine device (e.g., IUD), monogamous relationship with vasectomised partner who has been vasectomised for 6 months or more prior to the subject's study entry, or abstain from heterosexual intercourse (e.g., through sexual orientation or religious or other beliefs about premarital intercourse);
  • Subjects with any serious disease, including:
  • cancer,
  • acute or progressive hepatic disease,
  • acute or progressive renal disease,
  • chronic pulmonary disease requiring home oxygen therapy,
  • active neurological disorder,
  • autoimmune disease (including rheumatoid arthritis);
  • Subjects for whom surgery is planned during the study period;
  • Subjects with a bleeding diathesis;
  • Subjects with hypersensitivity to eggs, chicken protein, chicken feathers, influenza viral protein, neomycin or kanamycin, or any other component of the study vaccine;
  • Subjects with a history of any neurological symptoms and signs, or anaphylactic shock following administration of any vaccine;
  • Subjects with known or suspected impairment/alteration of immune function, for example, resulting from:
  • receipt of oral immunosuppressive therapy (e.g., corticosteroid therapy or cancer chemotherapy) (long-term, inhaled steroids for asthma management is acceptable),
  • receipt of immunostimulants or interferon,
  • receipt of parenteral immunoglobulin preparation, blood products, and/or plasma derivatives within 3 months prior to Visits 1 (Day 1), 2 (Day 22), or 5 (Day 382), or planned during the full length of the study,
  • high risk from developing an immunocompromising disease;
  • Actual or planned receipt of another vaccine during the period 3 weeks before to 3 weeks after vaccination on Days 1, 22, and 382;
  • Subjects with a history of (or current) drug or alcohol abuse (20g/day for females; 30g/day for males) that in the investigator's opinion would interfere with safety of the subject or the evaluation of the study objectives;
  • Subjects who are unable to lead an independent life either physically or mentally;
  • Have participated in a previous study of H5 avian influenza vaccine;
  • Have been previously vaccinated with a vaccine containing MF59 or similar adjuvant;
  • Subjects with any condition, which, in the opinion of the Investigator, might interfere with the evaluation of the study objectives.

Who cannot join

None listed.

Trial locations and contacts

2 sites in 1 country.

United Kingdom2 sites
  • University Hospitals Leicester

    Leicester, Leicestershire, LE1 5WW

  • Clincal Trials Unit Leicester Royal Infirmary

    Leicester, LE1 5WW

Other trials in United Kingdom

About this study

Official title: A Randomized, Partially Observer-blind, Single-centre Study to Evaluate Safety and Immunogenicity of MF59-adjuvanted or Non-adjuvanted H5N1 Influenza Vaccines in Adults Primed With Adjuvanted Influenza A/Vietnam/1194/04 (H5N1) Vaccine

This study focuses on pre-pandemic priming of man against H5 influenza with the goal of mounting a robust antibody response to small quantities of vaccine either before or during an H5 pandemic.

Read the detailed description

OBJECTIVES:

Immunogenicity objectives

  1. To evaluate the magnitude of the antibody responses to one or two 'priming' 0.5mL intramuscular (IM) doses of an MF59-adjuvanted A/Vietnam/1194/2004 (H5N1 Clade 1) influenza vaccine, each dose containing 7.5μg of H5N1 haemagglutinin, in immunologically naïve subjects;
  2. To examine the kinetics of the antibody responses to one 0.5mL 'booster' intramuscular dose of antigenically drifted MF59-adjuvanted vaccine, or non-adjuvanted antigenically drifted vaccine, given at doses of 3.75 or 7.5μg, in subjects primed with one or two doses of an MF59-adjuvanted A/Vietnam/1194/2004 (H5N1 Clade 1) influenza vaccine;
  3. To evaluate the magnitude of the antibody responses to one 0.5mL 'booster' intramuscular dose of antigenically drifted MF59-adjuvanted vaccine, or non-adjuvanted antigenically drifted vaccine, given at doses of 3.75μg or 7.5μg, in subjects primed with one or two doses of an MF59-adjuvanted A/Vietnam/1194/2004 (H5N1 Clade 1) influenza vaccine;
  4. To evaluate the breadth of the antibody responses induced by 'priming' (see 1., above), and 'booster' vaccination regimens (see 2., and 3., above), with respect to a representative range of antigenically distinct H5N1 viruses (wild-type and attenuated); and
  5. To evaluate the persistence of the antibody responses induced by 'priming' (see 1., above), and 'booster' vaccination regimens (see 2., and 3., above).

Safety objective

  1. To evaluate the safety of the administration of one or two 'priming' 0.5mL intramuscular (IM) doses of an MF59-adjuvanted A/Vietnam/1194/2004 (H5N1 Clade 1) influenza vaccine (each dose containing 7.5μg of H5N1 haemagglutinin), in immunologically naïve subjects, followed by one 3.75μg or 7.5μg 'booster' dose of antigenically drifted MF59-adjuvanted H5N1 vaccine, or non-adjuvanted antigenically drifted H5N1 vaccine.
Conditions
Influenza
Being tested
Aflunov (Single prime, single boost), Aflunov (Double prime, single boost), Aflunov (No prime, single boost)
Medical subject headings
Influenza, Human

What participants receive

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

  • Aflunov (Single prime, single boost)Biological

    Also called Aflunov

    Priming with single dose 7.5microg MF59-adjuvanted A/VN/1194/04 then non-adjuvanted H5N1 vaccine containing 3.75microg at 52 weeks

  • Aflunov (Single prime, single boost)Biological

    Also called Aflunov

    Priming with single dose 7.5microg MF59-adjuvanted A/VN/1194/04 then MF59-adjuvanted H5N1 vaccine containing 3.75microg at 52 weeks

  • Aflunov (single prime, single boost)Biological

    Also called Aflunov

    Priming with single dose 7.5microg MF59-adjuvanted A/VN/1194/04 then non-adjuvanted H5N1 vaccine containing 7.5microg at 52 weeks

  • Aflunov (single prime, single boost)Biological

    Also called aflunov

    Priming with single dose 7.5microg MF59-adjuvanted A/VN/1194/04 then MF59-adjuvanted H5N1 vaccine containing 7.5microg at 52 weeks

  • Aflunov (Double prime, single boost)Biological

    Also called aflunov

    Priming with two doses 7.5microg MF59-adjuvanted A/VN/1194/04 then non-adjuvanted H5N1 vaccine containing 3.75microg at 52 weeks

  • Aflunov (double prime, single boost)Biological

    Also called aflunov

    Priming with two doses 7.5microg MF59-adjuvanted A/VN/1194/04 then MF59-adjuvanted H5N1 vaccine containing 3.75microg at 52 weeks

  • Aflunov (double prime, single boost)Biological

    Also called aflunov

    Priming with two doses 7.5microg MF59-adjuvanted A/VN/1194/04 then non-adjuvanted H5N1 vaccine containing 7.5microg at 52 weeks

  • Aflunov (double prime, single boost)Biological

    Also called aflunov

    Priming with two doses 7.5microg MF59-adjuvanted A/VN/1194/04 then MF59-adjuvanted H5N1 vaccine containing 7.5microg at 52 weeks

  • Aflunov (No prime, single boost)Biological

    Also called aflunov

    No Priming then MF59-adjuvanted H5N1 vaccine containing 7.5microg at 52 weeks

Study groups in NCT00814385
Study groupRoleWhat they receive
Vaccine arm 1Active comparatorMf59-adjuvanted A/VN/1194/04 H5N1 vaccine containing 7.5microg haemagglutinin, given as single dose followed by non-adjuvanted H5N1 clade 2 vaccine containing 3.75microg dose at 52 weeks
Receives: Biological: Aflunov (Single prime, single boost)
Vaccine arm 2Active comparatorMf59-adjuvanted A/VN/1194/04 H5N1 vaccine containing 7.5microg haemagglutinin, given as single dose followed by MF59-adjuvanted H5N1 clade 2 vaccine containing 3.75microg dose at 52 weeks
Receives: Biological: Aflunov (Single prime, single boost)
Vaccine arm 3Active comparatorMf59-adjuvanted A/VN/1194/04 H5N1 vaccine containing 7.5microg haemagglutinin, given as single dose followed by non-adjuvanted H5N1 clade 2 vaccine containing 7.5microg dose at 52 weeks
Receives: Biological: Aflunov (single prime, single boost)
Vaccine arm 4Active comparatorMf59-adjuvanted A/VN/1194/04 H5N1 vaccine containing 7.5microg haemagglutinin, given as single dose followed by MF59-adjuvanted H5N1 clade 2 vaccine containing 7.5microg dose at 52 weeks
Receives: Biological: Aflunov (single prime, single boost)
Vaccine arm 5Active comparatorTwo doses of Mf59-adjuvanted A/VN/1194/04 H5N1 vaccine containing 7.5microg haemagglutinin followed by non-adjuvanted H5N1 clade 2 vaccine containing 3.75microg dose at 52 weeks
Receives: Biological: Aflunov (Double prime, single boost)
vaccine arm 6Active comparatorTwo doses of Mf59-adjuvanted A/VN/1194/04 H5N1 vaccine containing 7.5microg haemagglutinin followed by MF59-adjuvanted H5N1 clade 2 vaccine containing 3.75microg dose at 52 weeks
Receives: Biological: Aflunov (double prime, single boost)
Vaccine arm 7Active comparatorTwo doses of Mf59-adjuvanted A/VN/1194/04 H5N1 vaccine containing 7.5microg haemagglutinin followed by non-adjuvanted H5N1 clade 2 vaccine containing 7.5microg dose at 52 weeks
Receives: Biological: Aflunov (double prime, single boost)
Vaccine arm 8Active comparatorTwo doses of Mf59-adjuvanted A/VN/1194/04 H5N1 vaccine containing 7.5microg haemagglutinin followed by MF59-adjuvanted H5N1 clade 2 vaccine containing 7.5microg dose at 52 weeks
Receives: Biological: Aflunov (double prime, single boost)
Vaccine arm 9Active comparatorNo priming dose and single dose MF59 adjuvanted H5N1 vaccine at 52 weeks
Receives: Biological: Aflunov (No prime, single boost)

What is being measured

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

  1. Geometric mean antibody titres to influenza H5N1 by neutralising antibody, HI and SRH

    Measured: pre vaccination, 3 weeks, 6 weeks, 52 weeks, 55 weeks, 56 weeks

Secondary outcomes (2)
  1. local and systemic reactogenicity

    Measured: within 7 days of each vaccination

  2. Seroprotective and seroconversion responses to H5N1 by neutralising antibody, HI and SRH

    Measured: Prevaccination, 3 weeks, 6 weeks, 52 weeks, 55 weeks and 56 weeks

Timeline

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

  1. First posted24 Dec 2008 (estimated)
  2. Study startNov 2008
  3. Primary completionSep 2013
  4. Study completionDec 2013

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 1/2
Allocation
Randomised
Intervention model
Single group
Masking
Double blind
Who is masked
Investigator, Outcomes assessor
Enrolment
606 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00814385
Sponsor's protocol ID
UHL10492
Status last verified
Jun 2014
First submitted
23 Dec 2008
Last updated
3 Jun 2014
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Aflunov (Single prime, single boost), Aflunov (Double prime, single boost) and Aflunov (No prime, single boost) in people with Influenza, run by University Hospitals, Leicester at 2 sites in United Kingdom.

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 31 inclusion and 0 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: finished, as of the sponsor's last update on 3 Jun 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in United Kingdom. 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 combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Geometric mean antibody titres to influenza H5N1 by neutralising antibody, HI and SRH (time frame: pre vaccination, 3 weeks, 6 weeks, 52 weeks, 55 weeks, 56 weeks). 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 3 Jun 2014.

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