InfluenzaPhase 1NCT00347672
Safety of and Immune Response to a Bird Flu Virus Vaccine (H5N1) in Healthy Adults
A Phase 1 study testing H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca) in people with Influenza and Virus Diseases, run by National Institute of Allergy and Infectious Diseases (NIAID) at 1 site in United States.
Trial summary
Avian influenza (AI), or bird flu, has recently become a major health concern in Asia and other parts of the world. The need for a vaccine to prevent the spread of AI among livestock and to humans is sorely needed. Read more about this study
- Who is it for?
- Ages 18 to 49 yearsHealthy volunteers can take part
- Conditions the study is for
- Influenza, Virus Diseases
- What is being tested?
- H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca)
- Type of treatment
- Vaccines
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 42 participants
- Where
- 1 siteUnited States
- Study dates
- Jun 2006to Jul 2007
- Phase
- Phase 1
- 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 49 years
- All sexes
- Healthy volunteers accepted
- Adult
Who may be able to join
- Good general health
- Available for the duration of the trial
- Willing to use acceptable forms of contraception
Who cannot join
- Clinically significant neurologic, cardiac, pulmonary, hepatic, rheumatologic, autoimmune, or renal disease
- Behavioral, cognitive, or psychiatric disease that, in the opinion of the investigator, affects the ability of the volunteer to understand and cooperate with the study
- Medical, work-related, or family problems as a result of alcohol or illicit drug use in the 12 months prior to study entry
- History of severe allergic reaction or anaphylaxis
- Current asthma or reactive airway disease
- History of Guillain-Barre syndrome
Show all 25Show fewer
- HIV-1 infected
- Hepatitis C virus infected
- Positive for hepatitis B surface antigen (HBsAg)
- Known immunodeficiency syndrome
- Use of corticosteroids or immunosuppressive drugs within 30 days of study entry. Participants who have used topical corticosteroids are not excluded.
- Live vaccine within 4 weeks of study entry
- Killed vaccine within 2 weeks of study entry
- Absence of spleen
- Blood products within 6 months of study entry
- Current smoker
- Have traveled to the Southern Hemisphere or Asia within 14 days prior to study entry
- Have traveled on a cruise ship within 14 days prior to study entry
- Work in the poultry industry
- Investigational agents within 60 days prior to study entry, or currently participating in another investigational vaccine or drug trial
- Allergy to eggs or egg products
- Purified protein derivative (PPD) positive (positive tuberculosis [TB] test)
- Family member with immunodeficiency
- Other condition that, in the opinion of the investigator, would affect the participant's participation in the study
- Pregnant or breastfeeding
Trial locations and contacts
1 site in 1 country.
United States1 site
Center of Immunization Research (CIR), Johns Hopkins Bloomberg School of Public Health
Baltimore, Maryland, 21205
About this study
Official title: Phase 1 Inpatient Study of the Safety and Immunogenicity of Live Influenza A Vaccine H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca), a Live Attenuated Virus Vaccine Candidate for the Prevention of Avian Influenza H5N1 Infection in the Event of a Pandemic
Avian influenza (AI), or bird flu, has recently become a major health concern in Asia and other parts of the world. The need for a vaccine to prevent the spread of AI among livestock and to humans is sorely needed. The purpose of this study is to test the safety of and immune response to a new AI vaccine in healthy adults.
Read the detailed description
AI viruses in their natural reservoir in waterfowl are the source from which novel HA and NA subtypes are introduced into the human population, and have the potential to initiate an influenza pandemic. This study will evaluate the safety and immunogenicity of a live, attenuated recombinant AI virus vaccine, H5N1 (6-2) AA Ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/Ca).
Participants in this study will receive one or two doses of the vaccine. There are 3 groups in this study:
- Group 1 will receive two vaccinations at the highest dose.
- Group 2 will receive one vaccination at a dose in-between the lowest and highest doses.
- Group 3 will receive one vaccination at the lowest dose.
Group 1 will enroll first, probably in 2006. Groups 2 and 3 will not enroll until it is determined by safety review that the vaccine is well-tolerated and greater than 80% of Group 1 participants shed vaccine virus or develop a specific immune response to the vaccine.
Participation in this study includes a hospital stay in an isolation unit of the Bayview Medical Center of Johns Hopkins University. All participants will receive the vaccine at study entry and will remain in the isolation unit for a minimum of 14 days after vaccination. A physical exam and a nasal wash will occur daily in the isolation unit until a participant is discharged from the hospital. Participants will be allowed to leave the unit once viral cultures for influenza from nasal washes are negative for at least 3 consecutive days beginning on Day 10. Blood collection will occur at study entry, Day 7, sometime between Days 28 and 35, and sometime between Days 56 and 63.
There will be two separate hospitalizations for Group 1 participants. Group 1 participants will receive their doses of vaccine at study entry and sometime between Days 28 and 35. A physical exam and a nasal wash will occur daily in the isolation unit until a participant is discharged from the hospital. Participants will be allowed to leave the unit once viral cultures for influenza from nasal washes are negative for at least 3 consecutive days beginning on Day 10. Blood collection will occur at 4 or 5 selected timepoints, depending on the timing of the second vaccination.
- Conditions
- Influenza, Virus Diseases
- Being tested
- H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca)
- Keywords
- Bird Flu
- Medical subject headings
- Influenza, Human, Virus Diseases, Influenza in Birds
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca)Biological
Live, attenuated recombinant H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca) vaccine (one of three doses)
| Study group | Role | What they receive |
|---|---|---|
| 1 | Experimental | Two vaccinations of H5N1 VN 2004/AA vaccine at the highest dose Receives: Biological: H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca) |
| 2 | Experimental | One vaccination of H5N1 VN 2004/AA vaccine at a dose in-between the lowest and highest doses Receives: Biological: H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca) |
| 3 | Experimental | One vaccination of H5N1 VN 2004/AA vaccine at the lowest dose Receives: Biological: H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca) |
What is being measured
The primary outcome is the main question the study is designed to answer.
Frequency of vaccine-related reactogenicity events
Measured: During the acute monitoring phase of the study
Anti-H5N1 antibody levels and seroconversion, defined as a greater than fourfold rise in serum hemagglutination inhibiting (HI) and/or neutralizing antibody titer compared to Day 0
Measured: Throughout study
Secondary outcomes (6)
To determine the number of vaccinees infected with the H5N1 VN 2004/AA ca recombinant vaccine candidate
Measured: Throughout study
If 10^7, 10^5, and 10^3 TCID50 doses of vaccine are administered, to compare the infectivity rates, safety, and immunogenicity between dose groups, and to estimate the HID50 for this vaccine
Measured: At study completion
To determine the phenotypic stability of vaccine virus shed
Measured: Throughout study
To determine whether immunogenicity is enhanced by a second dose of vaccine, and whether the first dose of vaccine restricts replication of the second dose
Measured: Throughout study
To evaluate T-cell mediated and innate immune responses against the H5N1 VN 2004/AA ca recombinant vaccine candidate
Measured: Throughout study
To develop a serum bank so that the capacity of the H5N1 VN 2004/AA ca recombinant vaccine candidate to elicit HI and neutralizing antibodies to future H5N1 influenza viruses can be tested
Measured: Throughout study
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted4 Jul 2006 (estimated)
- Study startJun 2006
- Primary completionJul 2007
- Study completionJul 2007
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (6)Papers the sponsor has linked to this study.
- Other trials for InfluenzaStudies of the same condition, open and under way.
- More trials run by National Institute of Allergy and Infectious Diseases (NIAID)The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 42 participants (actual)
Sponsor and investigators
- Sponsor type
- US National Institutes of Health
- Collaborators
- Johns Hopkins Bloomberg School of Public Health
- Investigators
- Ruth A. Karron, MD, Principal investigator, Center of Immunization Research (CIR), Johns Hopkins Bloomberg School of Public Health
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00347672
- Sponsor's protocol ID
- CIR 217
- Other IDs
- H.22.05.07.22.A2
- Status last verified
- Jan 2008
- First submitted
- 3 Jul 2006
- Last updated
- 21 Jan 2008
- Results posted
- No
- Data monitoring committee
- No
Publications
Ferguson NM, Cummings DA, Cauchemez S, Fraser C, Riley S, Meeyai A, Iamsirithaworn S, Burke DS. Strategies for containing an emerging influenza pandemic in Southeast Asia. Nature. 2005 Sep 8;437(7056):209-14. doi: 10.1038/nature04017. Epub 2005 Aug 3.
PubMed 16079797Joseph T, Subbarao K. Human infections with avian influenza viruses. Md Med. 2005 Winter;6(1):30-2.
PubMed 15869106Sims LD, Domenech J, Benigno C, Kahn S, Kamata A, Lubroth J, Martin V, Roeder P. Origin and evolution of highly pathogenic H5N1 avian influenza in Asia. Vet Rec. 2005 Aug 6;157(6):159-64. doi: 10.1136/vr.157.6.159.
PubMed 16085721Stephenson I, Nicholson KG, Wood JM, Zambon MC, Katz JM. Confronting the avian influenza threat: vaccine development for a potential pandemic. Lancet Infect Dis. 2004 Aug;4(8):499-509. doi: 10.1016/S1473-3099(04)01105-3.
PubMed 15288823Webby RJ, Perez DR, Coleman JS, Guan Y, Knight JH, Govorkova EA, McClain-Moss LR, Peiris JS, Rehg JE, Tuomanen EI, Webster RG. Responsiveness to a pandemic alert: use of reverse genetics for rapid development of influenza vaccines. Lancet. 2004 Apr 3;363(9415):1099-103. doi: 10.1016/S0140-6736(04)15892-3.
PubMed 15064027Karron RA, Talaat K, Luke C, Callahan K, Thumar B, Dilorenzo S, McAuliffe J, Schappell E, Suguitan A, Mills K, Chen G, Lamirande E, Coelingh K, Jin H, Murphy BR, Kemble G, Subbarao K. Evaluation of two live attenuated cold-adapted H5N1 influenza virus vaccines in healthy adults. Vaccine. 2009 Aug 6;27(36):4953-60. doi: 10.1016/j.vaccine.2009.05.099. Epub 2009 Jun 21.
PubMed 19540952
Study at a glance
From the registry record, last updated by the sponsor on 21 Jan 2008. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Phase 1 Inpatient Study of the Safety and Immunogenicity of Live Influenza A Vaccine H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca), a Live Attenuated Virus Vaccine Candidate for the Prevention of Avian Influenza H5N1 Infection in the Event of a Pandemic
- ClinicalTrials.gov ID
- NCT00347672
- Acronym / sponsor ID
- CIR 217
- Conditions
- Influenza, Virus Diseases
- Keywords
- Bird Flu
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 42 participants (actual)
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)US National Institutes of Health
- Collaborators
- Johns Hopkins Bloomberg School of Public Health
- Study start
- Jun 2006
- Primary completion
- Jul 2007 (actual)
- Study completion
- Jul 2007 (actual)
- First posted
- 4 Jul 2006 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Avian influenza (AI), or bird flu, has recently become a major health concern in Asia and other parts of the world. The need for a vaccine to prevent the spread of AI among livestock and to humans is sorely needed. The purpose of this study is to test the safety of and immune response to a new AI vaccine in healthy adults.
Detailed description
AI viruses in their natural reservoir in waterfowl are the source from which novel HA and NA subtypes are introduced into the human population, and have the potential to initiate an influenza pandemic. This study will evaluate the safety and immunogenicity of a live, attenuated recombinant AI virus vaccine, H5N1 (6-2) AA Ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/Ca).
Participants in this study will receive one or two doses of the vaccine. There are 3 groups in this study:
- Group 1 will receive two vaccinations at the highest dose.
- Group 2 will receive one vaccination at a dose in-between the lowest and highest doses.
- Group 3 will receive one vaccination at the lowest dose.
Group 1 will enroll first, probably in 2006. Groups 2 and 3 will not enroll until it is determined by safety review that the vaccine is well-tolerated and greater than 80% of Group 1 participants shed vaccine virus or develop a specific immune response to the vaccine.
Participation in this study includes a hospital stay in an isolation unit of the Bayview Medical Center of Johns Hopkins University. All participants will receive the vaccine at study entry and will remain in the isolation unit for a minimum of 14 days after vaccination. A physical exam and a nasal wash will occur daily in the isolation unit until a participant is discharged from the hospital. Participants will be allowed to leave the unit once viral cultures for influenza from nasal washes are negative for at least 3 consecutive days beginning on Day 10. Blood collection will occur at study entry, Day 7, sometime between Days 28 and 35, and sometime between Days 56 and 63.
There will be two separate hospitalizations for Group 1 participants. Group 1 participants will receive their doses of vaccine at study entry and sometime between Days 28 and 35. A physical exam and a nasal wash will occur daily in the isolation unit until a participant is discharged from the hospital. Participants will be allowed to leave the unit once viral cultures for influenza from nasal washes are negative for at least 3 consecutive days beginning on Day 10. Blood collection will occur at 4 or 5 selected timepoints, depending on the timing of the second vaccination.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| 1 | Experimental | Biological: H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca)Two vaccinations of H5N1 VN 2004/AA vaccine at the highest dose |
| 2 | Experimental | Biological: H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca)One vaccination of H5N1 VN 2004/AA vaccine at a dose in-between the lowest and highest doses |
| 3 | Experimental | Biological: H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca)One vaccination of H5N1 VN 2004/AA vaccine at the lowest dose |
Who may qualify
- Ages
- 18 to 49 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (3 listed)
- Good general health
- Available for the duration of the trial
- Willing to use acceptable forms of contraception
Key exclusion criteria (25 listed)
- Clinically significant neurologic, cardiac, pulmonary, hepatic, rheumatologic, autoimmune, or renal disease
- Behavioral, cognitive, or psychiatric disease that, in the opinion of the investigator, affects the ability of the volunteer to understand and cooperate with the study
- Medical, work-related, or family problems as a result of alcohol or illicit drug use in the 12 months prior to study entry
- History of severe allergic reaction or anaphylaxis
- Current asthma or reactive airway disease
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca)Live, attenuated recombinant H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca) vaccine (one of three doses) | Biological | 1, 2, 3 |
Primary outcome
Frequency of vaccine-related reactogenicity events
Time frame: During the acute monitoring phase of the study
Anti-H5N1 antibody levels and seroconversion, defined as a greater than fourfold rise in serum hemagglutination inhibiting (HI) and/or neutralizing antibody titer compared to Day 0
Time frame: Throughout study
6 secondary outcomes
To determine the number of vaccinees infected with the H5N1 VN 2004/AA ca recombinant vaccine candidate
Time frame: Throughout study
If 10^7, 10^5, and 10^3 TCID50 doses of vaccine are administered, to compare the infectivity rates, safety, and immunogenicity between dose groups, and to estimate the HID50 for this vaccine
Time frame: At study completion
To determine the phenotypic stability of vaccine virus shed
Time frame: Throughout study
To determine whether immunogenicity is enhanced by a second dose of vaccine, and whether the first dose of vaccine restricts replication of the second dose
Time frame: Throughout study
To evaluate T-cell mediated and innate immune responses against the H5N1 VN 2004/AA ca recombinant vaccine candidate
Time frame: Throughout study
To develop a serum bank so that the capacity of the H5N1 VN 2004/AA ca recombinant vaccine candidate to elicit HI and neutralizing antibodies to future H5N1 influenza viruses can be tested
Time frame: Throughout study
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 21 Jan 2008.
- Background: PubMed 16079797Ferguson NM, Cummings DA, Cauchemez S, Fraser C, Riley S, Meeyai A, Iamsirithaworn S, Burke DS. Strategies for containing an emerging influenza pandemic in Southeast Asia. Nature. 2005 Sep 8;437(7056):209-14. doi: 10.1038/nature04017. Epub 2005 Aug 3.
- Background: PubMed 15869106Joseph T, Subbarao K. Human infections with avian influenza viruses. Md Med. 2005 Winter;6(1):30-2.
- Background: PubMed 16085721Sims LD, Domenech J, Benigno C, Kahn S, Kamata A, Lubroth J, Martin V, Roeder P. Origin and evolution of highly pathogenic H5N1 avian influenza in Asia. Vet Rec. 2005 Aug 6;157(6):159-64. doi: 10.1136/vr.157.6.159.
- Background: PubMed 15288823Stephenson I, Nicholson KG, Wood JM, Zambon MC, Katz JM. Confronting the avian influenza threat: vaccine development for a potential pandemic. Lancet Infect Dis. 2004 Aug;4(8):499-509. doi: 10.1016/S1473-3099(04)01105-3.
- Background: PubMed 15064027Webby RJ, Perez DR, Coleman JS, Guan Y, Knight JH, Govorkova EA, McClain-Moss LR, Peiris JS, Rehg JE, Tuomanen EI, Webster RG. Responsiveness to a pandemic alert: use of reverse genetics for rapid development of influenza vaccines. Lancet. 2004 Apr 3;363(9415):1099-103. doi: 10.1016/S0140-6736(04)15892-3.
- Derived from this study: PubMed 19540952Karron RA, Talaat K, Luke C, Callahan K, Thumar B, Dilorenzo S, McAuliffe J, Schappell E, Suguitan A, Mills K, Chen G, Lamirande E, Coelingh K, Jin H, Murphy BR, Kemble G, Subbarao K. Evaluation of two live attenuated cold-adapted H5N1 influenza virus vaccines in healthy adults. Vaccine. 2009 Aug 6;27(36):4953-60. doi: 10.1016/j.vaccine.2009.05.099. Epub 2009 Jun 21.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Ruth A. Karron, MD principal investigator
Center of Immunization Research (CIR), Johns Hopkins Bloomberg School of Public Health
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1 study testing H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca) in people with Influenza and Virus Diseases, run by National Institute of Allergy and Infectious Diseases (NIAID) at 1 site in United States.
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 3 inclusion and 25 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 21 Jan 2008. 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 United States. 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 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.
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?
Frequency of vaccine-related reactogenicity events (time frame: During the acute monitoring phase of the study). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00347672, which also lists 6 linked publications.
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 21 Jan 2008.