- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03884296
Response to Live Attenuated Influenza Vaccine in Tonsillar Tissues and Blood (FLU-Tonsil)
Study Overview
Detailed Description
This is a Phase IV study of licensed influenza vaccines with up to 50 male and female volunteers, 2-49 years of age. Volunteers were patients undergoing tonsillectomy for treatment of obstructive sleep apnea (OSA) or other non-infectious indication as part of their routine medical care.
The investigator intends to collect blood and lymphoid tissues routinely discarded during surgery from adults and children after routine seasonal live attenuated influenza vaccination (LAIV) to determine how immune memory develops at the actual site of infection, and how immunization may alter this process.
The first research study visit will take place approximately 3-14 days prior to the scheduled date of tonsillectomy surgery. During this visit, 20 mL blood sample will be obtained and participants will receive FluMist (intranasal, quadrivalent, live-attenuated influenza vaccine). This is one of the routinely available and recommended vaccines for the age groups included in this study.
The second study visit will take place on the same day of the scheduled surgery for the tonsillectomy. Another blood sample (maximum volume of 20 mL) will be collected along with the discarded tonsillar tissue. Blood and tissues will be sent to the lab.
Study Type
Phase
- Phase 4
Contacts and Locations
Study Contact
- Name: Philip Grant, MD
- Phone Number: 6507239443
- Email: pmgrant@stanford.edu
Study Locations
-
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California
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Stanford, California, United States, 94305
- Stanford University Medical Center, Lane building L134
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- 2-49-year-old male and female patients undergoing tonsillectomy for obstructive sleep apnea or other non-infectious indication.
- Willing and able to complete the informed consent process
- Availability for follow-up for the planned duration of the study
- Acceptable medical history by review of inclusion/exclusion criteria
Exclusion Criteria:
- Prior off-study vaccination with seasonal influenza vaccine within three months of study vaccination
- Life-threatening reactions to previous influenza vaccinations
- Asthma (contraindication for receipt of LAIV4)
- Allergy to egg or egg products or to vaccine components including gentamicin, gelatin, arginine or MSG.
- Active systemic or serious concurrent illness, including febrile illness on the day of vaccination
- History of immunodeficiency (including HIV infection)
- Known or suspected impairment of immunologic function; may include significant liver disease, diabetes mellitus treated with insulin or moderate to severe renal disease
- Hospitalization in the past year for congestive heart failure or emphysema.
- Chronic Hepatitis B or C.
- Recent or current use of immunosuppressive medication, including systemic glucocorticoids (corticosteroid nasal sprays and topical steroids are permissible). Use of oral steroids (<20mg prednisone-equivalent/day) may be acceptable after review by the investigator.
- Participants in close contact with anyone who has a severely weakened immune system
- Malignancy, other than squamous cell or basal cell skin cancer (includes solid tumors such as breast cancer or prostate cancer with recurrence in the past year, and any hematologic cancer such as leukemia).
- Autoimmune disease (including rheumatoid arthritis treated with immunosuppressive medication such as Plaquenil, methotrexate, prednisone, Enbrel) which, in the opinion of the investigator might jeopardize volunteer safety or compliance with the protocol.
- History of blood dyscrasias, renal disease, or hemoglobinopathies requiring regular medical follow up or hospitalization during the preceding year
- Use of any anti-coagulation medication such as Coumadin or Lovenox, or anti-platelet agents such as aspirin (except up to 325 mg. per day), Plavix, or Aggrenox will be reviewed by investigators to determine if study participation would affect the volunteer's safety or compliance with the protocol.
- Receipt of blood or blood products within the past 6 months or planned used during the study.
- A medical or psychiatric condition or occupational responsibilities that preclude participant compliance with the protocol
- Receipt of an inactivated vaccine 14 days prior to study enrollment, or planned vaccinations prior to completion of last study visit (~ 14 days after study vaccination)
- Receipt of a live, attenuated vaccine within 60 days prior to enrollment of planned vaccination prior to completion of last study visit (~ 14 days after study enrollment)
- Need for allergy immunization (that cannot be postponed) until after the last study visit.
- History of Guillain-Barre# syndrome
- Pregnant or breastfeeding woman
- Use of investigational agents within 30 days prior to enrollment or planned use during the study.
- Donation of the equivalent of a unit of blood within 6 weeks prior to enrollment or donation of platelets within 2 weeks of enrollment or planned donation prior to completion of the last visit.
- Any condition which, in the opinion of the investigator, might interfere with volunteer safety, study objectives or the ability of the participant to understand or comply with the study protocol.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Study Phase
Participants will be given the current year's quadrivalent, live, attenuated seasonal influenza vaccine (LAIV4)/FluMist® intranasally 3-14 days prior to tonsillectomy.
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Quadrivalent, live, attenuated influenza vaccine, intranasal spray
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Plasma HAI titer
Time Frame: Day 3-14 after receipt of LAIV
|
HAI titer measures imune response to influenza vaccination
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Day 3-14 after receipt of LAIV
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Number of Participants With Related Adverse Events
Time Frame: Day 0 to 14 post-immunization
|
We will capture AEs to LAIV
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Day 0 to 14 post-immunization
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 50122
- 5U19AI057229-15 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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