drugset / Trial / NCT03694808
FLUAD vs. FLUZONE HD Influenza Vaccine in Residents of Long Term Care
Phase 4
Completed
478 enrolled
David H. Canaday
Brown University · collabCase Western Reserve University · collabNational Institute of Allergy and Infectious Diseases (NIAID) · collabNational Institutes of Health (NIH) · collabUS Department of Veterans Affairs · collab
RandomizedParallel-groupSingle-blindTreatment
Summary
Adjuvanted flu vaccine, Fluad, is not immunologically inferior to HD influenza vaccine in older persons living in long-term care.
Timeline
- Start
- 2018-09-23
- Primary completion
- 2023-01-31
- Completion
- 2023-01-31
Publications
- Background Ansaldi F, Bacilieri S, Durando P, Sticchi L, Valle L, Montomoli E, Icardi G, Gasparini R, Crovari P. Cross-protection by MF59-adjuvanted influenza vaccine: neutralizing and haemagglutination-inhibiting antibody activity against A(H3N2) drifted influenza viruses. Vaccine. 2008 Mar 17;26(12):1525-9. doi: 10.1016/j.vaccine.2008.01.019. Epub 2008 Feb 1.
- Background Centers for Disease Control and Prevention (CDC). Estimates of deaths associated with seasonal influenza --- United States, 1976-2007. MMWR Morb Mortal Wkly Rep. 2010 Aug 27;59(33):1057-62.
- Background DiazGranados CA, Dunning AJ, Kimmel M, Kirby D, Treanor J, Collins A, Pollak R, Christoff J, Earl J, Landolfi V, Martin E, Gurunathan S, Nathan R, Greenberg DP, Tornieporth NG, Decker MD, Talbot HK. Efficacy of high-dose versus standard-dose influenza vaccine in older adults. N Engl J Med. 2014 Aug 14;371(7):635-45. doi: 10.1056/NEJMoa1315727.
- Background Dunning AJ, DiazGranados CA, Voloshen T, Hu B, Landolfi VA, Talbot HK. Correlates of Protection against Influenza in the Elderly: Results from an Influenza Vaccine Efficacy Trial. Clin Vaccine Immunol. 2016 Jan 13;23(3):228-35. doi: 10.1128/CVI.00604-15.
- Background Falsey AR, Treanor JJ, Tornieporth N, Capellan J, Gorse GJ. Randomized, double-blind controlled phase 3 trial comparing the immunogenicity of high-dose and standard-dose influenza vaccine in adults 65 years of age and older. J Infect Dis. 2009 Jul 15;200(2):172-80. doi: 10.1086/599790.
- Background Frey SE, Reyes MR, Reynales H, Bermal NN, Nicolay U, Narasimhan V, Forleo-Neto E, Arora AK. Comparison of the safety and immunogenicity of an MF59(R)-adjuvanted with a non-adjuvanted seasonal influenza vaccine in elderly subjects. Vaccine. 2014 Sep 3;32(39):5027-34. doi: 10.1016/j.vaccine.2014.07.013. Epub 2014 Jul 18.
- Background Hancock K, Veguilla V, Lu X, Zhong W, Butler EN, Sun H, Liu F, Dong L, DeVos JR, Gargiullo PM, Brammer TL, Cox NJ, Tumpey TM, Katz JM. Cross-reactive antibody responses to the 2009 pandemic H1N1 influenza virus. N Engl J Med. 2009 Nov 12;361(20):1945-52. doi: 10.1056/NEJMoa0906453. Epub 2009 Sep 10.
- Background Iob A, Brianti G, Zamparo E, Gallo T. Evidence of increased clinical protection of an MF59-adjuvant influenza vaccine compared to a non-adjuvant vaccine among elderly residents of long-term care facilities in Italy. Epidemiol Infect. 2005 Aug;133(4):687-93. doi: 10.1017/s0950268805003936.
- Background Izurieta HS, Thadani N, Shay DK, Lu Y, Maurer A, Foppa IM, Franks R, Pratt D, Forshee RA, MaCurdy T, Worrall C, Howery AE, Kelman J. Comparative effectiveness of high-dose versus standard-dose influenza vaccines in US residents aged 65 years and older from 2012 to 2013 using Medicare data: a retrospective cohort analysis. Lancet Infect Dis. 2015 Mar;15(3):293-300. doi: 10.1016/S1473-3099(14)71087-4. Epub 2015 Feb 9.
- Background Izurieta HS, Thadani N, Shay DK. Corrections. Comparative effectiveness of high-dose versus standard-dose influenza vaccines in US residents aged 65 years and older from 2012 to 2013 using Medicare data: a retrospective cohort analysis. Lancet Infect Dis. 2015 Mar;15(3):263. doi: 10.1016/S1473-3099(15)70070-8. No abstract available.
- Background Mannino S, Villa M, Apolone G, Weiss NS, Groth N, Aquino I, Boldori L, Caramaschi F, Gattinoni A, Malchiodi G, Rothman KJ. Effectiveness of adjuvanted influenza vaccination in elderly subjects in northern Italy. Am J Epidemiol. 2012 Sep 15;176(6):527-33. doi: 10.1093/aje/kws313. Epub 2012 Aug 31.
- Background Memoli MJ, Shaw PA, Han A, Czajkowski L, Reed S, Athota R, Bristol T, Fargis S, Risos K, Powers JH, Davey RT Jr, Taubenberger JK. Evaluation of Antihemagglutinin and Antineuraminidase Antibodies as Correlates of Protection in an Influenza A/H1N1 Virus Healthy Human Challenge Model. mBio. 2016 Apr 19;7(2):e00417-16. doi: 10.1128/mBio.00417-16.
- Background Menec VH, MacWilliam L, Aoki FY. Hospitalizations and deaths due to respiratory illnesses during influenza seasons: a comparison of community residents, senior housing residents, and nursing home residents. J Gerontol A Biol Sci Med Sci. 2002 Oct;57(10):M629-35. doi: 10.1093/gerona/57.10.m629.
- Background Pop-Vicas A, Rahman M, Gozalo PL, Gravenstein S, Mor V. Estimating the Effect of Influenza Vaccination on Nursing Home Residents' Morbidity and Mortality. J Am Geriatr Soc. 2015 Sep;63(9):1798-804. doi: 10.1111/jgs.13617. Epub 2015 Aug 17.
- Background Richardson DM, Medvedeva EL, Roberts CB, Linkin DR; Centers for Disease Control and Prevention Epicenter Program. Comparative effectiveness of high-dose versus standard-dose influenza vaccination in community-dwelling veterans. Clin Infect Dis. 2015 Jul 15;61(2):171-6. doi: 10.1093/cid/civ261. Epub 2015 Mar 31.
- Background Van Buynder PG, Konrad S, Van Buynder JL, Brodkin E, Krajden M, Ramler G, Bigham M. The comparative effectiveness of adjuvanted and unadjuvanted trivalent inactivated influenza vaccine (TIV) in the elderly. Vaccine. 2013 Dec 9;31(51):6122-8. doi: 10.1016/j.vaccine.2013.07.059. Epub 2013 Aug 6.
- Background FDA. 2007. Guidance for Industry Clinical Data Needed to Support the Licensure of Seasonal Inactivated Influenza Vaccines. In Center for Biologics Evaluation and Research.
- Background 2013. Long-Term Care Services in the United States: 2013 Overview. In CDC, editor HHS, Disease Control and Prevention, National Center for Health Statistics, Hyattsville, Maryland.
- Didion EM, Kass JD, Wilk DJ, Buss E, Frischmann SM, Rubeck S, Banks R, Wilson BM, Gravenstein S, Canaday DH. Which Enhanced Influenza Vaccine Has the Greatest Immunogenicity in Long-Term Care Residents: The Adjuvanted or the High-Dose Formulation? J Am Med Dir Assoc. 2025 Jul;26(7):105625. doi: 10.1016/j.jamda.2025.105625. Epub 2025 May 30.
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Comparator | Fluad | Vaccine | — | Intramuscular |
| Comparator | Influenza Virus Vaccine | Vaccine | — | Intramuscular |