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Tetanus Immunisation (Healthy Volunteers)Phase 1NCT03958799

A Study to Describe the Safety Profile and Compare the Immune Response of 4 Different Formulations of an Investigational Tdap Vaccine When Compared to Licensed Tdap Vaccine in Young Adults in Canada

A Phase 1 study testing Investigational Tdap vaccine Formulation B, Investigational Tdap vaccine Formulation C and Investigational Tdap vaccine Formulation A in people with Tetanus Immunisation (Healthy Volunteers) and Diphtheria Immunisation (Healthy Volunteers), run by Sanofi Pasteur, a Sanofi Company at 5 sites in Canada.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The primary objectives of this study are: To describe the safety profile of each of the investigational vaccine formulations for all participants To describe the humoral and cell-mediated immune responses to all of the investigational vaccine formulations To evaluate the dose response to vaccine components To describe… Read more about this study

Who is it for?
Ages 19 to 21 yearsHealthy volunteers can take part
What is being tested?
Investigational Tdap vaccine Formulation B, Investigational Tdap vaccine Formulation C and Investigational Tdap vaccine Formulation A
Could I receive a placebo?
No, everyone receives an active treatment
How many people
71 participants
Where
5 sitesCanada
Study dates
26 Jun 2019to 6 Apr 2021
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 19 to 21 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Individuals born in Canada and vaccinated with a combination vaccine in accordance with the National Immunization Program (NIP).
  • Aged ≥ 19 years and < 22 years on the day of inclusion.
  • Able to attend all scheduled visits and to comply with all trial procedures.

Who cannot join

  • Pregnant, or lactating, or of childbearing potential and not using an effective method of contraception or abstinence from at least 4 weeks prior to the first vaccination until at least 3 months after the last vaccination. To be considered of non-childbearing potential, a female must be pre-menarche, or post-menopausal for at least 1 year, or surgically sterile.
  • Participation at the time of study enrollment (or in the 4 weeks preceding the first trial vaccination) or planned participation during the present trial period in another clinical trial investigating a vaccine, drug, medical device, or medical procedure.
  • Receipt of any vaccine in the 4 weeks preceding the first trial vaccination or planned receipt of any vaccine in the 4 weeks before and/or after any study vaccination except for influenza vaccination only, which may be received at least 2 weeks before or 2 weeks after any study vaccination.
  • History of autoimmune disorder.
  • History of cardiovascular disorder.
  • History of Guillain-Barré syndrome.
Show all 15Show fewer
  • Receipt of immune globulins, blood or blood-derived products in the past 3 months.
  • Known or suspected congenital or acquired immunodeficiency; or receipt of immunosuppressive therapy, such as anti-cancer chemotherapy or radiation therapy, within the preceding 6 months; or long-term systemic corticosteroid therapy (prednisone or equivalent for more than 2 consecutive weeks within the past 3 months).
  • Known systemic hypersensitivity to any of the vaccine components, or history of a life-threatening reaction to the vaccine(s) used in the trial or to a vaccine containing any of the same substances.
  • Laboratory-confirmed/self-reported thrombocytopenia, contraindicating intramuscular vaccination.
  • Bleeding disorder or receipt of anticoagulants in the 3 weeks preceding inclusion, contraindicating intramuscular vaccination.
  • Chronic illness that, in the opinion of the investigator, is at a stage where it might interfere with trial conduct or completion.
  • Moderate or severe acute illness/infection (according to investigator judgment) on the day of vaccination or febrile illness (temperature ≥ 38.0 C). A prospective participant should not be included in the study until the condition has resolved or the febrile event has subsided.
  • Identified as an Investigator or employee of the Investigator or study center with direct involvement in the proposed study, or identified as an immediate family member (ie, parent, spouse, natural or adopted child) of the Investigator or employee with direct involvement in the proposed study.
  • The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

Trial locations and contacts

5 sites in 1 country.

5 sites in 1 country

Canada5 sites
  • Investigational Site Number 1240006

    Halifax, B3K 6R8

  • Investigational Site Number 1240009

    Pierrefonds, H9H 4Y6

  • Investigational Site Number 1240004

    Québec, G1N 4V3

  • Investigational Site Number 1240005

    Sherbrooke, J1L 0H8

  • Investigational Site Number 1240003

    Truro, B2N 1L2

Other trials in Canada

About this study

Official title: Safety and Immunogenicity of an Investigational Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Adsorbed (Tdap) Vaccine in Young Adults

The primary objectives of this study are:

  • To describe the safety profile of each of the investigational vaccine formulations for all participants
  • To describe the humoral and cell-mediated immune responses to all of the investigational vaccine formulations
  • To evaluate the dose response to vaccine components
  • To describe the magnitude, quality, and longevity of immune responses to each of the investigational vaccine formulations
Read the detailed description

Study duration per participant is approximately 1 year, which will include a safety follow-up contact at 12 months after vaccination

Being tested
Investigational Tdap vaccine Formulation B, Investigational Tdap vaccine Formulation C, Investigational Tdap vaccine Formulation A, Investigational Tdap vaccine Formulation D, Licensed Tdap vaccine

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Investigational Tdap vaccine Formulation BBiological

    Pharmaceutical form:Suspension for injection Route of administration: Intramuscular

  • Investigational Tdap vaccine Formulation CBiological

    Pharmaceutical form:Suspension for injection Route of administration: Intramuscular

  • Investigational Tdap vaccine Formulation ABiological

    Pharmaceutical form:Suspension for injection Route of administration: Intramuscular

  • Investigational Tdap vaccine Formulation DBiological

    Pharmaceutical form:Suspension for injection Route of administration: Intramuscular

  • Licensed Tdap vaccineBiological

    Pharmaceutical form:Suspension for injection Route of administration: Intramuscular

Study groups in NCT03958799
Study groupRoleWhat they receive
Group 1: Investigational Product (IP) Formulation AExperimentalIP Formulation A administration, participation in Stage 1 and Stage 2
Receives: Biological: Investigational Tdap vaccine Formulation A
Group 2: IP Formulation AExperimentalIP Formulation A administration, participation in Stage 1
Receives: Biological: Investigational Tdap vaccine Formulation A
Group 3: IP Formulation BExperimentalIP Formulation B administration, participation in Stage 1 and Stage 2
Receives: Biological: Investigational Tdap vaccine Formulation B
Group 4: IP Formulation BExperimentalIP Formulation B administration, participation in Stage 1
Receives: Biological: Investigational Tdap vaccine Formulation B
Group 5: IP Formulation CExperimentalIP Formulation C administration, participation in Stage 1 and Stage 2
Receives: Biological: Investigational Tdap vaccine Formulation C
Group 6: IP Formulation CExperimentalIP Formulation C administration, participation in Stage 1 and Stage 2
Receives: Biological: Investigational Tdap vaccine Formulation C
Group 7: IP Formulation DExperimentalIP Formulation D administration, participation in Stage 1 and Stage 2
Receives: Biological: Investigational Tdap vaccine Formulation D
Group 8: TdapActive comparatorTdaP administration, participation in Stage 1 and Stage 2
Receives: Biological: Licensed Tdap vaccine
Group 9: TdapActive comparatorTdaP administration, participation in Stage 1
Receives: Biological: Licensed Tdap vaccine

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of participants reporting immediate adverse events (AEs)

    AEs, including those related to the product administered

    Measured: Within 30 minutes post-vaccination

  2. Number of participants reporting solicited injection sites or systemic reactions

    Solicited reaction: adverse reaction prelisted in the case report book (CRB) Injection site reactions: pain, erythema, swelling Systemic reactions: fever, headache, malaise, myalgia, arthralgia, chills

    Measured: Within 7 days post-vaccination

  3. Number of participants reporting unsolicited AEs

    AEs other than solicited reactions

    Measured: Within 30 days post-vaccination

  4. Number of participants reporting serious adverse events (SAEs)

    SAEs, including adverse event of special interest (AESIs)

    Measured: Up to 12 months post-vaccination

  5. Number of participants reporting medically attended adverse events (MAAEs)

    MAAE: a new onset or a worsening of a condition that prompts the participant to seek unplanned medical advice at a physician's office or emergency department

    Measured: Up to 12 months post-vaccination

  6. Number of participants reporting adverse events of special interest (AESIs)

    AESIs are reported until the end of the safety follow-up period

    Measured: Up to 12 months post-vaccination

  7. Number of participants reporting Grade 2 and Grade 3 laboratory parameter abnormalities

    Haematological and biochemical laboratory parameters

    Measured: Within 60 days post-vaccination

  8. Geometric mean concentrations (GMCs) of anti-pertussis antigen immunoglobulins

    Anti-pertussis antigen immunoglobulins concentration will be measured by mesoscale discovery electrochemiluminescence (MSD ECL)

    Measured: From Day 0 to Day 360

  9. GMCs of anti-diphtheria toxoid immunoglobulins

    Anti-diphtheria toxoid total immunoglobulins concentration will be measured by MSD ECL

    Measured: From Day 0 to Day 360

  10. GMCs of anti-tetanus toxoid immunoglobulins

    Anti-tetanus toxoid total immunoglobulins concentration will be measured by MSD ECL

    Measured: From Day 0 to Day 360

  11. Geometric means of antigen-specific cells

    Antigen specific cells will be measured by FLUOROSPOT

    Measured: From Day 0 to Day 360

  12. Percentages of antigen-specific cells

    Antigen specific cells will be measured by FLUOROSPOT

    Measured: From Day 0 to Day 360

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 May 2019
  2. Study start26 Jun 2019
  3. Primary completion6 Apr 2021
  4. Study completion6 Apr 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Model description
Modified double-blind: the study participant, the Investigator, and other study personnel remain unaware of the treatment assignments throughout the trial. An unblinded vaccine administrator will administer the appropriate vaccine but will not be involved in safety assessment and data collection.
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
71 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03958799
Sponsor's protocol ID
NGB00005
Other IDs
U1111-1217-2612
Status last verified
Apr 2022
First submitted
20 May 2019
Last updated
25 Apr 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Investigational Tdap vaccine Formulation B, Investigational Tdap vaccine Formulation C and Investigational Tdap vaccine Formulation A in people with Tetanus Immunisation (Healthy Volunteers) and Diphtheria Immunisation (Healthy Volunteers), run by Sanofi Pasteur, a Sanofi Company at 5 sites in Canada.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 15 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 25 Apr 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 5 sites in Canada. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of participants reporting immediate adverse events (AEs) (time frame: Within 30 minutes post-vaccination). The study lists 12 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 25 Apr 2022.

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