Vaccine Responses to Influenza A H1N1/09 Immunization in High-risk Patients

NCT ID: NCT01022905

Last Updated: 2010-03-01

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

1141 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-11-30

Study Completion Date

2010-02-28

Brief Summary

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The objective of this study is to assess vaccine responses to novel adjuvanted influenza A(H1N1) vaccines in patients at high risks of influenza A(H1N1) complications.

Detailed Description

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This prospective, open-label, parallel-cohorts study will include up to 1250 patients and 250 controls to whom influenza A(H1N1) immunization was recommended.

Six cohort have been established, enrolling patients with HIV infection, rheumatic diseases, organ transplant, cancer, pediatric patients and healthy controls.

Subjects will be assessed for specific antibody responses (all), T cell responses (subset) and solicited vaccine adverse events. Vaccine safety evaluation will include the influence of immunization on underlying diseases (HIV infected patients, patients with auto-immune diseases) or graft function (transplant patients) - as appropriate.

Conditions

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HIV Infection Rheumatic Disease Cancer Transplant Pediatrics

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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High-risk patients ( 5 cohorts)

Group Type EXPERIMENTAL

Adjuvanted influenza A(H1N1) vaccines

Intervention Type BIOLOGICAL

Immunization (1-2 doses)

Healthy controls

Group Type ACTIVE_COMPARATOR

Adjuvanted influenza A(H1N1) vaccines

Intervention Type BIOLOGICAL

Immunization (1-2 doses)

Interventions

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Adjuvanted influenza A(H1N1) vaccines

Immunization (1-2 doses)

Intervention Type BIOLOGICAL

Other Intervention Names

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Pandemrix (GSK) Focetria (Novartis)

Eligibility Criteria

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Inclusion Criteria

* medically recommended influenza A(H1N1) immunization
* signed informed consent

Exclusion Criteria

* failure or refusal to provide sufficient blood for antibody determination
Minimum Eligible Age

6 Months

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University Hospital, Geneva

OTHER

Sponsor Role lead

Responsible Party

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University Hospital, Geneva

Locations

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University Hospitals of Geneva

Geneva, , Switzerland

Site Status

Countries

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Switzerland

References

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Siegrist CA, van Delden C, Bel M, Combescure C, Delhumeau C, Cavassini M, Clerc O, Meier S, Hadaya K, Soccal PM, Yerly S, Kaiser L, Hirschel B, Calmy A; H1N1 Study Group; Swiss HIV Cohort Study (SHCS). Higher memory responses in HIV-infected and kidney transplanted patients than in healthy subjects following priming with the pandemic vaccine. PLoS One. 2012;7(7):e40428. doi: 10.1371/journal.pone.0040428. Epub 2012 Jul 27.

Reference Type DERIVED
PMID: 22848378 (View on PubMed)

Schappi MG, Meier S, Bel M, Siegrist CA, Posfay-Barbe KM; H1N1 Study Group. Protective antibody responses to influenza A/H1N1/09 vaccination in children with celiac disease. J Pediatr Gastroenterol Nutr. 2012 Jun;54(6):817-9. doi: 10.1097/MPG.0b013e318248e7be.

Reference Type DERIVED
PMID: 22228003 (View on PubMed)

Mohty B, Bel M, Vukicevic M, Nagy M, Levrat E, Meier S, Grillet S, Combescure C, Kaiser L, Chalandon Y, Passweg J, Siegrist CA, Roosnek E; Blood and Marrow Transplant Program; Geneva University Hospitals H1N1 study group. Graft-versus-host disease is the major determinant of humoral responses to the AS03-adjuvanted influenza A/09/H1N1 vaccine in allogeneic hematopoietic stem cell transplant recipients. Haematologica. 2011 Jun;96(6):896-904. doi: 10.3324/haematol.2011.040386. Epub 2011 Mar 21.

Reference Type DERIVED
PMID: 21422117 (View on PubMed)

Meier S, Bel M, L'huillier A, Crisinel PA, Combescure C, Kaiser L, Grillet S, Posfay-Barbe K, Siegrist CA; H1N1 Epidemiology Study Group of Geneva. Antibody responses to natural influenza A/H1N1/09 disease or following immunization with adjuvanted vaccines, in immunocompetent and immunocompromised children. Vaccine. 2011 Apr 27;29(19):3548-57. doi: 10.1016/j.vaccine.2011.02.094. Epub 2011 Mar 17.

Reference Type DERIVED
PMID: 21419775 (View on PubMed)

Gabay C, Bel M, Combescure C, Ribi C, Meier S, Posfay-Barbe K, Grillet S, Seebach JD, Kaiser L, Wunderli W, Guerne PA, Siegrist CA; H1N1 Study Group. Impact of synthetic and biologic disease-modifying antirheumatic drugs on antibody responses to the AS03-adjuvanted pandemic influenza vaccine: a prospective, open-label, parallel-cohort, single-center study. Arthritis Rheum. 2011 Jun;63(6):1486-96. doi: 10.1002/art.30325.

Reference Type DERIVED
PMID: 21384334 (View on PubMed)

Other Identifiers

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CER-09-234

Identifier Type: -

Identifier Source: org_study_id

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