NCT02746783

Brief Summary

This study will assess the effect of a different dose of the seasonal flu vaccine 2013-2015 on the immune response to improve the investigators understanding of cellular and humoral immune responses induced. The scope of this study is to determine the profile of cellular activation and antibody production in the ageing immune system following flu immunization. This study will enroll 100 male or female subjects ≥65 year old and 90 transplant recipients. These persons will be deemed to be " at risk " in case of influenza infection and should be vaccinated according to Swiss Federal Office of Public Health. A medical doctor from the CHUV will inform the patients about the present study and ask them whether they would be willing to participate in the study. All subjects will be distributed between the two groups according to a computer-generated randomization sequence. The randomization will be done in blocks to ensure balance across groups. The participants and site staff will not be blinded due to the different administration assignments. Group 1 subjects will receive a single dose and group 2 subjects a double dose of MUTAGRIP® manufactured by Sanofi Pasteur containing A/California/7/2009 (H1N1); A/Texas/50/2012 (H3N2); B/Massachusetts/2/2012. Vaccine immunogenicity and safety will be assessed 1, 2, 4 and 24 weeks after vaccination. Study duration per volunteer is 6 months after vaccination.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
163

participants targeted

Target at P75+ for phase_1 healthy-volunteers

Timeline
Completed

Started Oct 2013

Longer than P75 for phase_1 healthy-volunteers

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2013

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

August 8, 2014

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2015

Completed
10 months until next milestone

First Posted

Study publicly available on registry

April 21, 2016

Completed
Last Updated

March 26, 2020

Status Verified

March 1, 2020

Enrollment Period

1.7 years

First QC Date

August 8, 2014

Last Update Submit

March 24, 2020

Conditions

Outcome Measures

Primary Outcomes (2)

  • Change from Baseline in Immunogenicity

    Humoral immune responses (antibodies directed against all three strains A/California/7/2009 (H1N1); A/Texas/50/2012 (H3N2); B/Massachusetts/2/2012).

    weeks 2, 4 and 24 after vaccination

  • Change from Baseline in Immunogenicity

    Cellular immune responses directed against all three strains A/California/7/2009 (H1N1); A/Texas/50/2012 (H3N2); B/Massachusetts/2/2012.

    weeks 1, 2, 4 and 24 after vaccination

Secondary Outcomes (1)

  • Number of Adverse Events as a Measure of Safety and Tolerability

    24 weeks after vaccination

Study Arms (2)

Group 1

ACTIVE COMPARATOR

Single dose of MUTAGRIP® containing A/California/7/2009 (H1N1); A/Texas/50/2012 (H3N2); B/Massachusetts/2/2012.

Drug: Single dose MUTAGRIP® influenza vaccine

Group 2

EXPERIMENTAL

Double dose of MUTAGRIP® (one dose into the right deltoid area and the other one into the left deltoid area) containing A/California/7/2009 (H1N1); A/Texas/50/2012 (H3N2); B/Massachusetts/2/2012.

Drug: Double dose of MUTAGRIP® influenza vaccine

Interventions

All subjects will receive either a single or double doses of MUTAGRIP® containing A/California/7/2009 (H1N1); A/Texas/50/2012 (H3N2); B/Massachusetts/2/2012. The double dose regimen will be administered at the same time.

Group 1

All subjects will receive either a single or double doses of MUTAGRIP® containing A/California/7/2009 (H1N1); A/Texas/50/2012 (H3N2); B/Massachusetts/2/2012. The double dose regimen will be administered at the same time.

Group 2

Eligibility Criteria

Age65 Years+
Sexall
Healthy VolunteersYes
Age GroupsOlder Adult (65+)

You may qualify if:

  • Age ≥65 year old.
  • Able to give informed consent.
  • Necessity to receive influenza seasonal vaccination in 2013-2015.
  • Availability for the duration of the study and willingness to attend all scheduled visits.
  • Hemoglobin value ≥100 g/l , Leukocytes ≥3.5 G/L, Platelets count ≥100 G/l at the time of screening, or determined within 8 weeks before screening in the course of regular medical examination and validated by the medical doctor.

You may not qualify if:

  • Contraindication against seasonal flu vaccination.
  • Use of any investigational or non-registered drug or vaccine within 30 days preceding the first dose of the study vaccine, or planned use during the study period and safety follow-up.
  • Immunodeficiency or chronic administration (defined as more than 14 consecutive days) of immunosuppressive or other immune-modifying drugs within six months prior to the first vaccine dose. (For corticosteroids, this will mean prednisone, or equivalent, ≥0.5 mg/kg/day. Inhaled and topical steroids are allowed).
  • Hypersensitivity to the active substances, to any of the excipients, to eggs, chicken proteins, neomycin, formaldehyde and octoxinol 9.
  • Acute disease at the time of enrollment \[Acute disease is defined as the presence of a moderate or severe illness with or without fever. All vaccines can be administered to persons with a minor illness such as diarrhea, mild upper respiratory infection with or without low-grade febrile illness, i.e., temperature \<38°C\].
  • An unstable chronic condition (unstable chronic renal failure, unstable diabetes, unstable chronic cardiac condition, uncontrolled asthma, etc.).
  • Receipt of blood-derived products (immunoglobulin; plasma) within 120 days prior to enrollment.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Vaccine and Immunotherapy Center (VIC) of the Centre Hospitalier Universitaire Vaudois (CHUV)

Lausanne, Canton of Vaud, 1011, Switzerland

Location

Related Publications (1)

  • Mombelli M, Rettby N, Perreau M, Pascual M, Pantaleo G, Manuel O. Immunogenicity and safety of double versus standard dose of the seasonal influenza vaccine in solid-organ transplant recipients: A randomized controlled trial. Vaccine. 2018 Oct 1;36(41):6163-6169. doi: 10.1016/j.vaccine.2018.08.057. Epub 2018 Sep 1.

Study Officials

  • Giuseppe Pantaleo, Prof.

    Vaccine and Immunotherapy Center (VIC) of the Centre Hospitalier Universitaire Vaudois (CHUV), Switzerland

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Prof. Giuseppe Pantaleo

Study Record Dates

First Submitted

August 8, 2014

First Posted

April 21, 2016

Study Start

October 1, 2013

Primary Completion

July 1, 2015

Study Completion

July 1, 2015

Last Updated

March 26, 2020

Record last verified: 2020-03

Locations