InfluenzaPhase 1NCT00516035
Single Group Study of the Safety of and Immune Response to a Bird Flu Vaccine (H7N3) in Healthy Adults
A Phase 1 study testing Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/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
Over the past decade, avian influenza (AI) has become a major health concern. The development of safe and effective vaccines against avian strains infecting people is important. The purpose of this study is to determine the safety of and immune response to a new AI vaccine in healthy adults against the H7N3 strain of… 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?
- Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca)
- Type of treatment
- Vaccines
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 22 participants
- Where
- 1 siteUnited States
- Study dates
- Sep 2007to Dec 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 for the duration of the study
Who cannot join
- Clinically significant neurologic, heart, lung, liver, rheumatologic, autoimmune, or kidney disease
- Behavioral or cognitive impairment or psychiatric disease that, in the opinion of the investigator, may affect study participation
- Previously enrolled in an H7N3 influenza vaccine trial or in any study of an avian influenza vaccine
- Seropositive to the H7N3 influenza A virus (serum hemagglutination inhibition [HI] titer greater than 1:8)
- Illegal drug use or dependency determined by urine test
- Medical, work, or family problems as a result of alcohol or illicit drug use within 12 months prior to study entry
Show all 29Show fewer
- History of severe allergic reaction
- Allergy to oseltamivir
- Asthma or reactive airways disease within 2 years prior to study entry
- History of Guillain-Barre syndrome
- HIV infected
- Hepatitis C virus infected
- Positive for hepatitis B surface antigen (HBsAg)
- Known immunodeficiency syndrome
- Use of corticosteroids or immunosuppressive drugs within 30 days prior to vaccination. Participants who have used topical corticosteroids are not excluded.
- Live vaccines within 4 weeks prior to study vaccination
- Killed vaccines within 2 weeks prior to study vaccination
- Absence of spleen
- Blood products within 6 months prior to study vaccination
- Current smoker unwilling to stop smoking for the duration of the study
- Have traveled to the Southern Hemisphere, Asia, or the United Kingdom within 14 days prior to study vaccination
- Have traveled on a cruise ship within 14 days prior to study vaccination
- Work in the poultry industry
- Other investigational vaccine or drug within 30 days prior to study vaccination
- Allergy to eggs or egg products
- Purified protein derivative (PPD) positive (positive tuberculosis [TB] test)
- Have family member with immunodeficiency
- Other condition that, in the opinion of the investigator, may interfere with the study
- Pregnancy or breastfeeding
Trial locations and contacts
1 site in 1 country.
United States1 site
Center for Immunization Research Inpatient Unit, Mason F. Lord Building, 4940 Eastern Avenue
Baltimore, Maryland, 21224
About this study
Official title: Phase 1 Inpatient Study of the Safety and Immunogenicity of Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/Chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca), a Live Attenuated Virus Vaccine Candidate for the Prevention of Avian Influenza H7N3 Infection in the Event of a Pandemic
Over the past decade, avian influenza (AI) has become a major health concern. The development of safe and effective vaccines against avian strains infecting people is important. The purpose of this study is to determine the safety of and immune response to a new AI vaccine in healthy adults against the H7N3 strain of avian influenza.
Read the detailed description
The current pandemic risk associated with avian influenza H7N3 infection is significant as an increasing number of humans are infected. H7 influenza transmission usually occurs in humans when they are exposed through direct contact to infected poultry or surfaces and objects contaminated by infected poultry feces. A pandemic occurs when a new influenza subtype emerges that infects humans, causes serious illness, and spreads easily between humans. The development of a safe and effective vaccine is necessary, should a pandemic occur. The purpose of this study is to evaluate the safety and immunogenicity of a live, attenuated AI virus vaccine, H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca).
This study will last approximately 90 days. Participation in this study includes two 12-day hospital stays in an isolation unit at the Johns Hopkins Bayview Medical Center. All participants will receive two doses of vaccine in nasal spray form, at study entry and sometime between 4 and 8 weeks after initial vaccination. Participants will be admitted to the isolation unit 2 days prior to each vaccination. A targeted physical exam, vital signs measurement, and a nasal wash will occur daily following each vaccination until discharge. Participants will be discharged after three consecutive nasal washes on or after Day 6 are negative. Blood and urine collection will occur at selected timepoints throughout the study. A follow-up outpatient visit will occur approximately 4 weeks following each vaccination.
- Conditions
- Influenza, Virus Diseases
- Being tested
- Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/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.
Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca)Biological
Vaccine given by nasal spray
| Study group | Role | What they receive |
|---|---|---|
| 1 | Experimental | 0.50 ml (0.25 ml in each nostril) of Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca) administered by nasal spray at two timepoints (at study entry and between Weeks 4 and 8) Receives: Biological: Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca) |
What is being measured
The primary outcome is the main question the study is designed to answer.
Safety, defined as the frequency of vaccine-related reactogenicity events that occur during the acute monitoring (inpatient) phase of the study
Measured: Daily for 9 days after vaccination
Immunogenicity, determined by anti-H7N3 antibody titer
Measured: Before the first vaccination, 28 days after the first vaccination but before the second vaccination, and 28 days after the second vaccination
Quantifying the amount of vaccine virus shed by each recipient; and determining the amount of serum and nasal wash antibody induced by the vaccine
Measured: Daily for 9 days after vaccination
Secondary outcomes (5)
To determine the number of vaccinees infected with the vaccine virus
Measured: Daily for 8 days after each vaccination
To determine the phenotypic stability of the vaccine virus
Measured: Throughout study
To determine whether immunogenicity is enhanced by a second dose of vaccine
Measured: At study completion
To evaluate T-cell mediated and innate immune responses against the vaccine virus
Measured: Throughout study
To develop a serum bank to evaluate future H7 influenza vaccines
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 posted14 Aug 2007 (estimated)
- Study startSep 2007
- Primary completionDec 2007
- Study completionDec 2007
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (4)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
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 22 participants (actual)
Sponsor and investigators
- Sponsor type
- US National Institutes of Health
- Collaborators
- Johns Hopkins Bloomberg School of Public Health
- Investigators
- Kawsar Talaat, MD, Principal investigator, Johns Hopkins Bloomberg School of Public Health
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00516035
- Sponsor's protocol ID
- CIR 241
- Other IDs
- WIRB Protocol Number 20071381
- Status last verified
- May 2015
- First submitted
- 13 Aug 2007
- Last updated
- 18 May 2015
- Results posted
- No
- Data monitoring committee
- No
Publications
Alexander DJ. Avian influenza viruses and human health. Dev Biol (Basel). 2006;124:77-84.
PubMed 16447497Joseph T, McAuliffe J, Lu B, Jin H, Kemble G, Subbarao K. Evaluation of replication and pathogenicity of avian influenza a H7 subtype viruses in a mouse model. J Virol. 2007 Oct;81(19):10558-66. doi: 10.1128/JVI.00970-07. Epub 2007 Jul 18.
PubMed 17634234Skowronski DM, Li Y, Tweed SA, Tam TW, Petric M, David ST, Marra F, Bastien N, Lee SW, Krajden M, Brunham RC. Protective measures and human antibody response during an avian influenza H7N3 outbreak in poultry in British Columbia, Canada. CMAJ. 2007 Jan 2;176(1):47-53. doi: 10.1503/cmaj.060204.
PubMed 17200390Talaat KR, Karron RA, Callahan KA, Luke CJ, DiLorenzo SC, Chen GL, Lamirande EW, Jin H, Coelingh KL, Murphy BR, Kemble G, Subbarao K. A live attenuated H7N3 influenza virus vaccine is well tolerated and immunogenic in a Phase I trial in healthy adults. Vaccine. 2009 Jun 8;27(28):3744-53. doi: 10.1016/j.vaccine.2009.03.082. Epub 2009 Apr 17.
PubMed 19464558
Study at a glance
From the registry record, last updated by the sponsor on 18 May 2015. 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 H7N3 (6-2) AA ca Recombinant (A/Chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca), a Live Attenuated Virus Vaccine Candidate for the Prevention of Avian Influenza H7N3 Infection in the Event of a Pandemic
- ClinicalTrials.gov ID
- NCT00516035
- Acronym / sponsor ID
- CIR 241
- Conditions
- Influenza, Virus Diseases
- Keywords
- Bird Flu
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 22 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
- Sep 2007
- Primary completion
- Dec 2007 (actual)
- Study completion
- Dec 2007 (actual)
- First posted
- 14 Aug 2007 (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.
Over the past decade, avian influenza (AI) has become a major health concern. The development of safe and effective vaccines against avian strains infecting people is important. The purpose of this study is to determine the safety of and immune response to a new AI vaccine in healthy adults against the H7N3 strain of avian influenza.
Detailed description
The current pandemic risk associated with avian influenza H7N3 infection is significant as an increasing number of humans are infected. H7 influenza transmission usually occurs in humans when they are exposed through direct contact to infected poultry or surfaces and objects contaminated by infected poultry feces. A pandemic occurs when a new influenza subtype emerges that infects humans, causes serious illness, and spreads easily between humans. The development of a safe and effective vaccine is necessary, should a pandemic occur. The purpose of this study is to evaluate the safety and immunogenicity of a live, attenuated AI virus vaccine, H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca).
This study will last approximately 90 days. Participation in this study includes two 12-day hospital stays in an isolation unit at the Johns Hopkins Bayview Medical Center. All participants will receive two doses of vaccine in nasal spray form, at study entry and sometime between 4 and 8 weeks after initial vaccination. Participants will be admitted to the isolation unit 2 days prior to each vaccination. A targeted physical exam, vital signs measurement, and a nasal wash will occur daily following each vaccination until discharge. Participants will be discharged after three consecutive nasal washes on or after Day 6 are negative. Blood and urine collection will occur at selected timepoints throughout the study. A follow-up outpatient visit will occur approximately 4 weeks following each vaccination.
Study design
- Primary purpose
- Prevention
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| 1 | Experimental | Biological: Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca)0.50 ml (0.25 ml in each nostril) of Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca) administered by nasal spray at two timepoints (at study entry and between Weeks 4 and 8) |
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 for the duration of the study
Key exclusion criteria (29 listed)
- Clinically significant neurologic, heart, lung, liver, rheumatologic, autoimmune, or kidney disease
- Behavioral or cognitive impairment or psychiatric disease that, in the opinion of the investigator, may affect study participation
- Previously enrolled in an H7N3 influenza vaccine trial or in any study of an avian influenza vaccine
- Seropositive to the H7N3 influenza A virus (serum hemagglutination inhibition [HI] titer greater than 1:8)
- Illegal drug use or dependency determined by urine test
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 |
|---|---|---|
| Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca)Vaccine given by nasal spray | Biological | 1 |
Primary outcome
Safety, defined as the frequency of vaccine-related reactogenicity events that occur during the acute monitoring (inpatient) phase of the study
Time frame: Daily for 9 days after vaccination
Immunogenicity, determined by anti-H7N3 antibody titer
Time frame: Before the first vaccination, 28 days after the first vaccination but before the second vaccination, and 28 days after the second vaccination
Quantifying the amount of vaccine virus shed by each recipient; and determining the amount of serum and nasal wash antibody induced by the vaccine
Time frame: Daily for 9 days after vaccination
5 secondary outcomes
To determine the number of vaccinees infected with the vaccine virus
Time frame: Daily for 8 days after each vaccination
To determine the phenotypic stability of the vaccine virus
Time frame: Throughout study
To determine whether immunogenicity is enhanced by a second dose of vaccine
Time frame: At study completion
To evaluate T-cell mediated and innate immune responses against the vaccine virus
Time frame: Throughout study
To develop a serum bank to evaluate future H7 influenza vaccines
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 18 May 2015.
- Background: PubMed 16447497Alexander DJ. Avian influenza viruses and human health. Dev Biol (Basel). 2006;124:77-84.
- Background: PubMed 17634234Joseph T, McAuliffe J, Lu B, Jin H, Kemble G, Subbarao K. Evaluation of replication and pathogenicity of avian influenza a H7 subtype viruses in a mouse model. J Virol. 2007 Oct;81(19):10558-66. doi: 10.1128/JVI.00970-07. Epub 2007 Jul 18.
- Background: PubMed 17200390Skowronski DM, Li Y, Tweed SA, Tam TW, Petric M, David ST, Marra F, Bastien N, Lee SW, Krajden M, Brunham RC. Protective measures and human antibody response during an avian influenza H7N3 outbreak in poultry in British Columbia, Canada. CMAJ. 2007 Jan 2;176(1):47-53. doi: 10.1503/cmaj.060204.
- Derived from this study: PubMed 19464558Talaat KR, Karron RA, Callahan KA, Luke CJ, DiLorenzo SC, Chen GL, Lamirande EW, Jin H, Coelingh KL, Murphy BR, Kemble G, Subbarao K. A live attenuated H7N3 influenza virus vaccine is well tolerated and immunogenic in a Phase I trial in healthy adults. Vaccine. 2009 Jun 8;27(28):3744-53. doi: 10.1016/j.vaccine.2009.03.082. Epub 2009 Apr 17.
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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.
Kawsar Talaat, MD principal investigator
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 Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/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 29 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 18 May 2015. 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?
Safety, defined as the frequency of vaccine-related reactogenicity events that occur during the acute monitoring (inpatient) phase of the study (time frame: Daily for 9 days after vaccination). The study lists 3 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 NCT00516035, which also lists 4 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 18 May 2015.