Asthma Clinical Trial
Official title:
Vaccination Response in Individual Monozygotic Twins
Verified date | August 2015 |
Source | Michigan State University |
Contact | n/a |
Is FDA regulated | No |
Health authority | United States: Food and Drug Administration |
Study type | Observational |
Respiratory viruses are known to be risk factors for asthma (e.g respiratory syncytial viruses, RSVs, and Human Rhinoviruses, HRVs, may induce bronchiolitis, and wheezing illnesses respectively). The common flu is also known to be a risk factor and the Centers for Disease Control and Prevention (CDC) recommends that asthmatics receive the annual flu vaccine, as a high-risk group for related asthma exacerbations. The investigators will be evaluating the variation in individual responses over time after controlled immune activation following influenza vaccination of monozygotic twins, both discordant for asthma, and concordant non-asthmatic. The transition from initial healthy to immune-system activated physiological states post vaccination will provide unprecedented molecular (omics) data on the molecular dynamics of immune response to vaccination, and novel insight into the flu response. The investigators will infer novel networks and pathways and as well as the dynamics of genes and mechanisms involved in asthma, flu vaccination, and individual responses, and correlate them to evaluated personalized genetic risks in the same study. The investigators will be able to also contrast the vaccination response in asthmatic and non-asthmatic individuals, in a longitudinal approach which has never been performed before using multiple-omics that included an immunization response.
Status | Terminated |
Enrollment | 1 |
Est. completion date | August 2015 |
Est. primary completion date | August 2015 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | 18 Years to 80 Years |
Eligibility |
Inclusion Criteria: Volunteers are eligible to participate in this study if both they and their twin sibling have agreed to participate. If after their enrollment in the study, one of the twin siblings decides to withdraw, then: 1. If one sibling withdraws during Year 1, the other sibling will be allowed to continue their participation in the study and to complete the current study Year. However they will not be included in the randomly selected applicants that will continue participation in Year 2 of the study. 2. If one sibling withdraws duringYear2, the other sibling will be able to conclude Year2 study activities. - Exclusion Criteria: 1. Volunteer is under18. 2. Presence of any medical conditions that the study investigators believe will affect participation in the study or its results. 3. Presence of a mental incapacity and/or cognitive impairment that would prevent a subject from adequately understanding, or cooperating with, the study protocol. 4. Volunteers with any severe allergies (life-threatening) or that have ever had a life-threatening allergic reaction after a dose of flu vaccine, or have a known severe allergy to any part of this vaccine, will be advised not to participate. 5. If a potential subject has ever had Guillain-Barré Syndrome (a severe paralyzing illness, also called GBS), they will be advised not to get the influenza vaccine and be excluded from this study. - For female participants If they are already enrolled and become pregnant during this study, the investigators will temporarily withdraw them from the study from the day they become pregnant. If they would like to stay in the study, the investigators may continue their participation after their delivery. - If participants are not feeling well on the scheduled day of vaccination the investigators will suggest that they postpone the vaccination until they feel better. If they agree, the vaccination will be re-scheduled for a later date. |
Observational Model: Case Control, Time Perspective: Prospective
Country | Name | City | State |
---|---|---|---|
United States | Clinical and Translational Science Institute | East Lansing | Michigan |
Lead Sponsor | Collaborator |
---|---|
Michigan State University |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Integrated Omics profile | The study will construct RNA-expression, protein profiles and small molecule profiles on immune cells as these change over time prior to and following immune activation by the vaccine. The collective temporal patterns will be used to classify immune response | all time points (8 per year for 2 years per subject) | No |
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