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InfluenzaPhase 2NCT01625689

Safety and Immunogenicity of a Single Dose of Intranasal Seasonal Trivalent Live-Attenuated Influenza Vaccine

A Phase 2 study testing SIIL LAIV (live, trivalent seasonal influenza vaccine) in people with Influenza, run by PATH Vaccine Solutions at 1 site in Bangladesh.

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

In this Phase II randomized controlled clinical trial, generally healthy male and female children from 24 through 59 months of age will be enrolled in Kamalapur (Dhaka), Bangladesh. The study is expected to continue for at least 6 months following vaccination. Read more about this study

Who is it for?
Ages 24 to 59 monthsHealthy volunteers can take part
Conditions the study is for
Influenza
What is being tested?
SIIL LAIV (live, trivalent seasonal influenza vaccine)
Type of treatment
Vaccines
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
309 participants
Where
1 siteBangladesh
Study dates
Jun 2012to Feb 2013
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 24 to 59 months
  • All sexes
  • Healthy volunteers accepted
  • Child

Who may be able to join

  • Healthy male or female child at least 24 months of age and no older than 59 months of age at the time of study vaccination
  • A child whose parent or guardian's primary residence, at the time of study vaccinations, is within the Kamalapur surveillance site catchment area and who intends to be present in the area for the duration of the trial
  • A child whose parent or legal guardian is willing to provide written informed consent prior to the participant's study vaccination

Who cannot join

  • Has any serious chronic disease including progressive neurologic disease, tuberculosis, Down's syndrome or other cytogenetic disorder, or known or suspected disease of the immune system
  • Is receiving immunosuppressive agents including systemic corticosteroids during the two weeks prior to study vaccination
  • Has a history of documented hypersensitivity to eggs or other components of the vaccine (including gelatin, sorbitol, lactalbumin and chicken protein), or with life-threatening reactions to previous influenza vaccinations
  • Is receiving aspirin therapy or aspirin-containing therapy currently or two weeks before
  • Lives in household with somebody currently participating in a respiratory vaccination or antiviral study
  • Has current or past participation (within 2 months of trial enrollment visit) in any clinical trial involving a drug or biologic with activity against respiratory disease
  • Has any condition determined by investigator as likely to interfere with evaluation of the vaccine or be a significant potential health risk to the child

Trial locations and contacts

1 site in 1 country.

Bangladesh1 site
  • ICDDR,B Kamalapur

    Dhaka

Other trials in Bangladesh

About this study

Official title: Assessment of the Safety and Immunogenicity of a Single Dose of Intranasal Seasonal Trivalent Live-Attenuated Influenza Vaccine Among Children Aged 24 Through 59 Months in Bangladesh

In this Phase II randomized controlled clinical trial, generally healthy male and female children from 24 through 59 months of age will be enrolled in Kamalapur (Dhaka), Bangladesh. The study is expected to continue for at least 6 months following vaccination. The experimental intervention is Serum Institute of India Ltd's Trivalent, Seasonal Live Attenuated Influenza Vaccine (SIIL LAIV). The study vaccine has been formulated according to WHO recommendations for the 2011-2012 Northern Hemisphere influenza season. The SIIL LAIV is administered in a 0.5 ml intranasal dose (one spray of 0.25 ml per nostril) via a reusable sprayer device and a single-use nozzle that produces a fine mist that is primarily deposited in the nose and nasopharynx. The comparator vaccine will be an inactive placebo identical in appearance to the active vaccine.

The primary study hypothesis is that LAIV is safe and well tolerated by children aged 24 through 59 months in Bangladesh. A secondary hypothesis is that LAIV is immunogenic among children receiving study vaccine as compared to children receiving placebo.

Conditions
Influenza
Being tested
SIIL LAIV (live, trivalent seasonal influenza vaccine), Placebo
Keywords
Influenza vaccines, Influenza, Human, Live Attenuated Influenza Vaccine
Medical subject headings
Influenza, Human

What participants receive

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

  • SIIL LAIV (live, trivalent seasonal influenza vaccine)Biological

    Dose: 0.5 mL, The viral strains in seasonal trivalent influenza vaccine (human, live attenuated) are antigenically similar to A/California/7/2009 (H1N1), A/Perth/16/2009 (H3N2) and B/Brisbane/60/2008 Type B, as per the WHO recommended strains for the Northern hemisphere 2011-12 influenza season

  • PlaceboBiological

    Inactive placebo will be identical to SII LAIV in appearance, ingredients, and concentrations, except it will be missing attenuated influenza virus.

Study groups in NCT01625689
Study groupRoleWhat they receive
SIIL LAIVExperimentalSII LAIV is a live, trivalent seasonal influenza vaccine. The viral strains in seasonal trivalent influenza vaccine (human, live attenuated) are antigenically similar to A/California/7/2009 (H1N1), A/Perth/16/2009 (H3N2) and B/Brisbane/60/2008 Type B, as per the WHO recommended strains for the Northern hemisphere 2011-12 influenza season
Receives: Biological: SIIL LAIV (live, trivalent seasonal influenza vaccine)
PlaceboPlacebo comparatorPlacebo identical in appearance to experimental vaccine.
Receives: Biological: Placebo

What is being measured

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

  1. Number of Participants With Serious Adverse Events (SAEs), All-cause Hospitalizations, and Protocol-defined Wheezing Illness (PDWI) Episodes

    PDWI: Participants meeting illness criteria, seeking care in health facility, and with wheeze identified by a study physician

    Illness criteria: The presence of one Category A (Fever (>=38°C), tachypnea, danger signs (chest-indrawing, lethargy, cyanosis, inability to drink, convulsions), difficult breathing, noisy breathing, ear pain or discharge) or two Category B findings (Cough, rhinorrhea, sore throat, myalgia/arthralgia, chills, headache, irritability/decreased activity, vomiting)

    Wheeze: Long high-pitched whistling or musical sound on expiration heard by auscultation

    Measured: 6 months following vaccination

  2. Number of Participants With Serious Adverse Events (SAEs), All-cause Hospitalizations, and Protocol-defined Wheezing Illness (PDWI) Episodes

    PDWI: Participants meeting illness criteria, seeking care in health facility, and with wheeze identified by a study physician

    Illness criteria: The presence of one Category A (Fever (>=38°C), tachypnea, danger signs (chest-indrawing, lethargy, cyanosis, inability to drink, convulsions), difficult breathing, noisy breathing, ear pain or discharge) or two Category B findings (Cough, rhinorrhea, sore throat, myalgia/arthralgia, chills, headache, irritability/decreased activity, vomiting)

    Wheeze: Long high-pitched whistling or musical sound on expiration heard by auscultation

    Measured: 42 days following vaccination

  3. Percentage of Participants With Unsolicited Adverse Events (AEs)

    Measured: Throughout study period, through at least 6 months following vaccination

  4. Percentage of Participants With Solicited Local and Systemic Reactions

    Local reactions: Nasal discomfort, Runny nose, Stuffy nose, Sneezing, Ear pain

    Systemic Reactions: Cough, Headache, Loss of Appetite, Fever, Irritability, Nausea, Sore throat, Lethargy

    Measured: Through 7 days following vaccination

Secondary outcomes (4)
  1. The Post-vaccination Anti-influenza Immunologic Response Will be Measured Based on the Type of Immunologic Assay and Categorized by Vaccine Virus Strain, Participant Baseline Serostatus, and Vaccine Allocation

    Measured: Approximately 21 days post-vaccination

  2. Post Vaccination SIIL LAIV Virus Shedding/Vaccine-take Will be Parameterized by the Percentage of Participants With Detectable Virus by Post Vaccination Day.

    Measured: 2, 4, and 7 days post-vaccination

  3. Clinical Characteristics of Influenza, Including Influenza Coinfections With Other Bacterial and Viral Respiratory Pathogens, Will be Parameterized as the Percentage of Participants Categorized by Vaccine Allocation

    Measured: 6 months post-vaccination

  4. Viral Etiologies of Acute Respiratory and Febrile Illness Will be Parameterized as the Percentage of Those With Each Particular Laboratory-confirmed Respiratory Virus Infection Categorized by Vaccine Allocation

    Measured: 6 months post-vaccination

Timeline

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

  1. First posted21 Jun 2012 (estimated)
  2. Study startJun 2012
  3. Primary completionFeb 2013
  4. Study completionFeb 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 2
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
309 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01625689
Sponsor's protocol ID
LAIV-BD-01
Status last verified
Jun 2012
First submitted
14 Jun 2012
Last updated
1 Jun 2015
Data monitoring committee
Yes

Publications

  • Lewis KDC, Ortiz JR, Rahman MZ, Levine MZ, Rudenko L, Wright PF, Katz JM, Dally L, Rahman M, Isakova-Sivak I, Ilyushina NA, Matyushenko V, Fry AM, Lindstrom SE, Bresee JS, Brooks WA, Neuzil KM. Immunogenicity and Viral Shedding of Russian-Backbone, Seasonal, Trivalent, Live, Attenuated Influenza Vaccine in a Phase II, Randomized, Placebo-Controlled Trial Among Preschool-Aged Children in Urban Bangladesh. Clin Infect Dis. 2019 Aug 16;69(5):777-785. doi: 10.1093/cid/ciy1003.

    PubMed 30481272
  • Brickley EB, Wright PF, Khalenkov A, Neuzil KM, Ortiz JR, Rudenko L, Levine MZ, Katz JM, Brooks WA. The Effect of Preexisting Immunity on Virus Detection and Immune Responses in a Phase II, Randomized Trial of a Russian-Backbone, Live, Attenuated Influenza Vaccine in Bangladeshi Children. Clin Infect Dis. 2019 Aug 16;69(5):786-794. doi: 10.1093/cid/ciy1004.

    PubMed 30481269

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing SIIL LAIV (live, trivalent seasonal influenza vaccine) in people with Influenza, run by PATH Vaccine Solutions at 1 site in Bangladesh.

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 7 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 1 Jun 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 Bangladesh. 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. Some participants in this study may receive a placebo. 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 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?

Yes. Results are posted in the registry (first posted 1 Jun 2015). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Number of Participants With Serious Adverse Events (SAEs), All-cause Hospitalizations, and Protocol-defined Wheezing Illness (PDWI) Episodes (time frame: 6 months following vaccination). The study lists 4 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 NCT01625689, which also lists 2 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 1 Jun 2015.

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