Mood and Influenza Vaccine Response: A Feasibility Trial
NCT ID: NCT03144518
Last Updated: 2019-07-15
Study Results
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View full resultsBasic Information
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COMPLETED
NA
106 participants
INTERVENTIONAL
2017-09-01
2018-05-31
Brief Summary
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The objectives of the study are to assess the impact of the intervention on mood, immune function, and antibody response to influenza vaccination in older adults. This feasibility trial will also allow data collection on exploring recruitment, attrition, intervention engagement, and practicality of collecting clinical data available through electronic records to inform the design of a future definitive trial.
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Detailed Description
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This has prompted research into treatments that enhance immune function prior to vaccination, so called vaccine adjuvants. The aim of such treatments is to optimise the response the immune system makes to the vaccine antigens and, in so doing, increase the likelihood that the vaccine confers protection.
One area in which there has been interest is in the potential for developing psycho-behavioural vaccine adjuvants. There is considerable evidence that psychological and behavioural factors can modulate immunity; with diet, physical activity, stress, affect, sleep and social support all associated with immune response.
The investigators recently conducted a longitudinal observational cohort study of multiple psychological (positive affect, negative affect, stress) and behavioural (physical activity, sleep, diet) influences on short and long-term antibody responses to influenza vaccination in older adults. This identified positive affect as the most influential psycho-behavioural factor on influenza-specific antibody responses, independently predicting both short and long-term antibody responses in the weakest immunogenic strain above and beyond known demographic and clinical determinants. Intriguingly, the investigators also observed preliminary evidence that positive affect on the day of vaccination was more predictive of antibody responses following vaccination than mood measured over the longer period surrounding vaccination. As influenza-specific antibodies are a well-established correlate of protection from serologically and clinically diagnosed influenza incidence, these data suggest that increasing positive affect immediately prior to vaccination could be used as a non-pharmacological vaccine adjuvant.
Through a series of systematic steps, including focus groups and interviews with older adults and health care professionals, the investigators have recently developed a brief, positive affect intervention - designed to improve short-term mood in older adults and be deliverable within primary care. It is hoped this could act as a psycho-behavioural adjuvant to enhance poor responses to influenza vaccination in older adults. Before performing a definitive trial of the intervention's effectiveness, a feasibility trial is needed for number of reasons:
1. To assess whether our intervention can enhance positive affect (mood)
2. To collect information regarding likely recruitment, effect sizes, and attrition rates for informing the necessary size of a larger definitive trial
3. To examine the practicality and acceptability of delivering the intervention in routine primary care settings
4. To explore the feasibility of obtaining outcome data on healthcare usage for a large scale trial (hospitalisation, GP visits for flu-like symptoms from medical records)
In line with the above, the investigators will be conducting a 2-arm, parallel, randomised controlled feasibility trial of a brief video intervention designed to induce positive affect (mood) in older adults in primary care settings prior to the receipt of influenza vaccination. Participants will be randomised into two conditions: experimental and active control. In the experimental condition, participants will view the approximately 15 minute long intervention video immediately prior to vaccination. In the active control condition, participants will view a matched video that is designed to be mood neutral. Pre-and-post positive affect levels will be assessed by self-report questionnaires. Immune response to the intervention and vaccination responses will be assessed in saliva (pre/post intervention) and serum samples (pre/4 weeks post-vaccination/16weeks post-vaccination) respectively.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
BASIC_SCIENCE
QUADRUPLE
Study Groups
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Experimental
Participants in the experimental condition will view a video designed to induce positive affect. This includes 3 short comedy clips (fork handles sketch, the two Ronnie's; A room with a view - faulty towers; Tim Vine Live stand-up extract), uplifting music (Jailhouse Rock - Elvis Presley; Happy Together - The Turtles), jokes and positive imagery. The content of the intervention has been informed by patient and public involvement, focus groups with older adults, and pilot testing.
Positive Affect Intervention
See Previous Description
Northern Hemisphere Influenza Vaccine 2017/18 (Delivered as part of Standard Care)
Northern Hemisphere Influenza Vaccine 2017/18 (Delivered as part of Standard Care)
Active Control
Participants in the control condition will view a video of matched length to the experimental condition video, but not designed to induce mood change. This includes short documentary clips (a pride in pencils; model railways, lecture extract on hydration), neutral music and images.
Neutral Control Intervention
See Previous Description
Northern Hemisphere Influenza Vaccine 2017/18 (Delivered as part of Standard Care)
Northern Hemisphere Influenza Vaccine 2017/18 (Delivered as part of Standard Care)
Interventions
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Positive Affect Intervention
See Previous Description
Neutral Control Intervention
See Previous Description
Northern Hemisphere Influenza Vaccine 2017/18 (Delivered as part of Standard Care)
Northern Hemisphere Influenza Vaccine 2017/18 (Delivered as part of Standard Care)
Eligibility Criteria
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Inclusion Criteria
* Received influenza vaccination for the 2016/17 season
* Eligible to receive 2017/18 influenza vaccination as part of usual care
* Ability to give informed consent
Exclusion Criteria
* Did not receive influenza vaccination for the 2016/17 season
* Ineligible to receive 2017/18 influenza vaccination as part of usual care
* Unable to provide informed consent
Deemed by health care provider to be:
* Too physically frail to participate
* Diagnosed with dementia or other cognitive condition which would make participation difficult
* Insufficient command of English language
* Influenza vaccination contraindicated
* Sufficiently impaired of hearing or vision that exposure to the intervention or control video content as intended would be compromised
* Those for whom the collection of blood samples is contraindicated.
65 Years
85 Years
ALL
Yes
Sponsors
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Northumbria University
OTHER
University of Nottingham
OTHER
Responsible Party
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Locations
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University of Nottingham
Nottingham, , United Kingdom
Countries
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References
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Andre FE, Booy R, Bock HL, Clemens J, Datta SK, John TJ, Lee BW, Lolekha S, Peltola H, Ruff TA, Santosham M, Schmitt HJ. Vaccination greatly reduces disease, disability, death and inequity worldwide. Bull World Health Organ. 2008 Feb;86(2):140-6. doi: 10.2471/blt.07.040089.
Jefferson T, Smith S, Demicheli V, Harnden A, Rivetti A, Di Pietrantonj C. Assessment of the efficacy and effectiveness of influenza vaccines in healthy children: systematic review. Lancet. 2005 Feb 26-Mar 4;365(9461):773-80. doi: 10.1016/S0140-6736(05)17984-7.
Calder PC, Jackson AA. Undernutrition, infection and immune function. Nutr Res Rev. 2000 Jun;13(1):3-29. doi: 10.1079/095442200108728981.
Simpson R, Spielmann G. Exercise and Immunosenescence. In: Bosch J, Phillips A, Lord J, eds. Immunosenescence. New York: : Springer Science 2013. 159-78.
Centers for Disease Control and Prevention (CDC). Ten great public health achievements--worldwide, 2001-2010. MMWR Morb Mortal Wkly Rep. 2011 Jun 24;60(24):814-8.
Segerstrom SC, Miller GE. Psychological stress and the human immune system: a meta-analytic study of 30 years of inquiry. Psychol Bull. 2004 Jul;130(4):601-30. doi: 10.1037/0033-2909.130.4.601.
Pressman SD, Cohen S. Does positive affect influence health? Psychol Bull. 2005 Nov;131(6):925-971. doi: 10.1037/0033-2909.131.6.925.
Bryant PA, Trinder J, Curtis N. Sick and tired: Does sleep have a vital role in the immune system? Nat Rev Immunol. 2004 Jun;4(6):457-67. doi: 10.1038/nri1369. No abstract available.
Uchino BN. Social support and health: a review of physiological processes potentially underlying links to disease outcomes. J Behav Med. 2006 Aug;29(4):377-87. doi: 10.1007/s10865-006-9056-5. Epub 2006 Jun 7.
Coudeville L, Bailleux F, Riche B, Megas F, Andre P, Ecochard R. Relationship between haemagglutination-inhibiting antibody titres and clinical protection against influenza: development and application of a bayesian random-effects model. BMC Med Res Methodol. 2010 Mar 8;10:18. doi: 10.1186/1471-2288-10-18.
Ayling K, Fairclough L, Buchanan H, Wetherell MA, Vedhara K. Mood and influenza vaccination in older adults: A randomized controlled trial. Health Psychol. 2019 Nov;38(11):984-996. doi: 10.1037/hea0000786. Epub 2019 Aug 5.
Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Other Identifiers
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17039
Identifier Type: -
Identifier Source: org_study_id
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