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MeningitisPhase 2NCT03205358

Immunogenicity and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine in Healthy Toddlers

A Phase 2 study testing Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine and Meningococcal Polysaccharide groups A, C, W-135 and Y Conjugate Vaccine in people with Meningitis and Meningococcal Meningitis, run by Sanofi Pasteur, a Sanofi Company at 8 sites in Finland.

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 purpose of the study was to evaluate the immunogenicity and safety profile of a single dose of Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid (MenACYW) Conjugate vaccine when given alone compared to that of the licensed Meningococcal groups A, C, W 135 and Y (NIMENRIX®) Conjugate vaccine. Read more about this study

Who is it for?
Ages 12 to 23 monthsHealthy volunteers can take part
What is being tested?
Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine and Meningococcal Polysaccharide groups A, C, W-135 and Y Conjugate Vaccine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
188 participants
Where
8 sitesFinland
Study dates
31 Mar 2015to 19 Aug 2015
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 12 to 23 months
  • All sexes
  • Healthy volunteers accepted
  • Child

Who may be able to join

  • Aged 12 to 23 months on the day of the first study visit.
  • Born at full term of pregnancy (greater than or equal to [≥] 37 weeks) or with a birth weight ≥2.5 kilogram (kg) (5.5 pounds).
  • Inform Consent Form (ICF) had been signed and dated by the parent(s) or other legally acceptable representative (and by an independent witness if required by local regulations).
  • Participant and parent/legally acceptable representative were able to attend all scheduled visits and to comply with all trial procedures.
  • Covered by health insurance where applicable.

Who cannot join

  • Participation at the time of study enrollment (or in the 4 weeks preceding the 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 trial vaccination or planned receipt of any vaccine before the final blood draw except for influenza vaccination, which might be received at least 2 weeks before or after the study vaccine.
  • Previous vaccination against meningococcal disease with either the trial vaccine or mono-, or polyvalent polysaccharide or Conjugate meningococcal vaccine containing serogroups A, B, C, W, or Y.
  • 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 (≥ 2 milligram [mg]/kg/day of prednisone or equivalent for more than 2 consecutive weeks within the past 3 months).
  • History of meningococcal infection, confirmed either clinically, serologically, or microbiologically.
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  • At high risk for meningococcal infection during the trial (i.e., participants with persistent complement deficiency, with anatomic or functional asplenia, or participants travelling to countries with high endemic or epidemic disease).
  • Known systemic hypersensitivity to any of the vaccine components, or history of a life-threatening reaction to the vaccines used in the trial or to a vaccine containing any of the same substances.
  • Known systemic hypersensitivity to latex.
  • Known thrombocytopenia, as reported by the parent/legally acceptable representative.
  • Bleeding disorder or receipt of anticoagulants in the 3 weeks preceding inclusion, contraindicating IM vaccination.
  • Personal history of Guillain-Barré syndrome.
  • Personal history of an Arthus-like reaction after vaccination with a tetanus toxoid-containing vaccine.
  • Chronic illness that, in the opinion of the Investigator, was 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 degree Celsius (°C). A prospective participant should not be included in the study until the condition had resolved or the febrile event had subsided.
  • Receipt of oral or injectable antibiotic therapy within 72 hours prior to the first blood draw.
  • Identified as a natural or adopted child of the Investigator or employee with direct involvement in the proposed study.

Trial locations and contacts

8 sites in 1 country.

8 sites in 1 country

Finland8 sites
  • Investigational Site Number 005

    Espoo, 02230

  • Investigational Site Number 006

    Helsinki, 00100

  • Investigational Site Number 002

    Helsinki, 00930

  • Investigational Site Number 007

    Jarvenpaa, 04400

  • Investigational Site Number 008

    Oulu, 90220

  • Investigational Site Number 001

    Pori, 28100

  • Investigational Site Number 003

    Tampere, 33100

  • Investigational Site Number 004

    Turku, 20520

Other trials in Finland

About this study

Official title: A Phase II Study of the Immunogenicity and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine in Healthy Toddlers

The purpose of the study was to evaluate the immunogenicity and safety profile of a single dose of Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid (MenACYW) Conjugate vaccine when given alone compared to that of the licensed Meningococcal groups A, C, W 135 and Y (NIMENRIX®) Conjugate vaccine.

Observational objectives:

  • To evaluate the antibody responses to the antigens (serogroups A, C, Y, and W) present in MenACYW Conjugate vaccine and NIMENRIX® measured by serum bactericidal assay using baby rabbit complement (rSBA) and by serum bactericidal assay using human complement (hSBA)
  • To evaluate the antibody responses against tetanus in participants who received MenACYW Conjugate vaccine or NIMENRIX® vaccine
  • To evaluate the safety profile of MenACYW Conjugate vaccine and NIMENRIX®
Read the detailed description

All participants received 1 dose of MenACYW Conjugate vaccine or NIMENRIX® on Day 0 and were evaluated for immunogenicity and safety profile. The duration of each participant's participation in the trial was 30 to 44 days.

Being tested
Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine, Meningococcal Polysaccharide groups A, C, W-135 and Y Conjugate Vaccine
Keywords
Meningitis, Meningococcal Meningitis, MenACYW Conjugate vaccine, NIMENRIX®
Medical subject headings
Meningitis, Meningitis, Meningococcal, Meningococcal Infections

What participants receive

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

  • Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate VaccineBiological

    Also called MenACYW Conjugate vaccine

    0.5 milliliter (mL), Intramuscular (IM)

  • Meningococcal Polysaccharide groups A, C, W-135 and Y Conjugate VaccineBiological

    Also called NIMENRIX®

    0.5 mL, IM

Study groups in NCT03205358
Study groupRoleWhat they receive
Group 1: MenACYW Conjugate VaccineExperimentalHealthy, meningococcal-vaccine naive toddlers aged 12 to 23 months received a single dose of MenACYW Conjugate vaccine.
Receives: Biological: Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine
Group 2: NIMENRIX®Active comparatorHealthy, meningococcal-vaccine naive toddlers aged 12 to 23 months received a single dose of NIMENRIX® vaccine.
Receives: Biological: Meningococcal Polysaccharide groups A, C, W-135 and Y Conjugate Vaccine

What is being measured

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

  1. Number of Participants Reporting Solicited Injection-Site and Systemic Reaction Following Vaccination With Either MenACYW Conjugate Vaccine or NIMENRIX®

    A solicited reaction was defined as an adverse reaction (AR) observed and reported under the conditions (symptom and onset) prelisted (i.e., solicited) in the case report form (CRF) and considered as related to vaccination. Solicited injection site reactions: Tenderness, Erythema, and Swelling. Solicited systemic reactions: Fever, Vomiting, Crying abnormal, Drowsiness, Appetite lost, and Irritability. Grade 3 solicited injection site reactions: Tenderness: cries when injected limb was moved or the movement of the injected limb was reduced; Erythema and Swelling: greater than or equal to (≥) 50 millimeter (mm). Grade 3 solicited systemic reactions: Fever: greater than [>] 39.5 degree Celsius (°C); Vomiting: ≥6 episodes per 24 hours or requiring parenteral hydration; crying abnormal: >3 hours; Drowsiness: sleeping most of the time or difficult to wake up; Appetite lost: refuses ≥3 feeds or refuses most feeds; Irritability: inconsolable.

    Measured: Day 0 up to Day 7 post-vaccination

Timeline

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

  1. First posted2 Jul 2017
  2. Study start31 Mar 2015
  3. Primary completion19 Aug 2015
  4. Study completion19 Aug 2015

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 2
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
188 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03205358
Sponsor's protocol ID
MET54
Other IDs
2014-004367-20, U1111-1143-8912, 2014
Status last verified
Mar 2022
First submitted
28 Jun 2017
Last updated
4 Apr 2022
Data monitoring committee
No
FDA-regulated drug
Yes
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

Publications

  • Vesikari T, Borrow R, Forsten A, Findlow H, Dhingra MS, Jordanov E. Immunogenicity and safety of a quadrivalent meningococcal tetanus toxoid-conjugate vaccine (MenACYW-TT) in healthy toddlers: a Phase II randomized study. Hum Vaccin Immunother. 2020 Jun 2;16(6):1306-1312. doi: 10.1080/21645515.2020.1733869. Epub 2020 Apr 1.

    PubMed 32233959

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine and Meningococcal Polysaccharide groups A, C, W-135 and Y Conjugate Vaccine in people with Meningitis and Meningococcal Meningitis, run by Sanofi Pasteur, a Sanofi Company at 8 sites in Finland.

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 5 inclusion and 17 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 4 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 8 sites in Finland. 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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

Are results available for this study?

Yes. Results are posted in the registry (first posted 5 Jun 2020). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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 Solicited Injection-Site and Systemic Reaction Following Vaccination With Either MenACYW Conjugate Vaccine or NIMENRIX® (time frame: Day 0 up to Day 7 post-vaccination). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03205358, which also lists 1 linked publication.

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 4 Apr 2022.

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