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Phase 2 N=1,363 Randomized Quadruple-blind Prevention

Study of Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed in Healthy Subjects

Tetanus · Diphtheria · Pertussis · Whooping Cough

Enrolled (actual)
1,363
Serious AEs
1.4%
Results posted
Mar 2020
Primary outcome: Primary: Number of Participants With Solicited Injections Site or Systemic Reactions Following Vaccination at Day 0: Aged 10-18 Years — 59; 51; 50; 49 Participants

Study Design & Population

Study type
Interventional
Phase
Phase 2
Interventions
Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed Formulation 1 (Biological); Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed, Formulation 2 (Biological); Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed, Formulation 3 (Biological); Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed, Formulation 4 (Biological); Licensed Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed (Biological); Licensed Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine (Biological)
Age
Pediatric, Adult, Older Adult · 10+ yrs
Sex
All
Sponsor
Sanofi Pasteur, a Sanofi Company
Primary completion
Feb 2017

Outcome Measures

OutcomeResultp-value
PRIMARY
Number of Participants With Solicited Injections Site or Systemic Reactions Following Vaccination at Day 0: Aged 10-18 Years
59; 51; 50; 49; 59; 48
PRIMARY
Number of Participants With Solicited Injections Site or Systemic Reactions Following Vaccination at Day 0: Aged 19-64 Years
38; 34; 49; 42; 49; 35
PRIMARY
Number of Participants With Solicited Injections Site or Systemic Reactions Following Vaccination at Day 0: Aged >=65 Years
21; 34; 34; 34; 28; 25

Summary

This was a dose and formulation ranging study to assess the safety and immunogenicity of SP0173 in healthy adolescents, adults, and older adults in the United States (US). Primary Objective * To describe the safety profile of each SP0173 investigational formulation. Observational Objective: * To describe the immunogenicity of each SP0173 investigational formulation.

Eligibility Criteria

Inclusion Criteria

  • Aged 10 to 18 years, 19 to 64 years, or >= 65 years on the day of inclusion.
  • Informed consent form had been signed and dated by the participant, or assent form had been signed and dated by the participant and informed consent form had been signed and dated by the parent/guardian
  • Participant or participant and parent/guardian able to attend all scheduled visits and to comply with all study procedures.

Exclusion Criteria

  • Participant was pregnant, or lactating, or of childbearing potential, (to be considered of non-childbearing potential, a female must be premenarche or post-menopausal for at least 1 year) surgically sterile, or using an effective method of contraception or abstinence from at least 4 weeks prior to vaccination until at least 4 weeks after vaccination.
  • Participation at the time of study enrollment or planned participation during the present study period in another clinical trial investigating a vaccine, drug, medical device, or medical procedure.
  • Received any vaccine in the 4 weeks preceding the trial vaccination or planned receipt of any vaccine between Visit 1 and Visit 2.
  • Known or suspected receipt of a tetanus toxoid, reduced diphtheria toxoid, and Acellular pertussis (Tdap) vaccine or Tdap-containing vaccine at any point in time, or receipt of a tetanus and diphtheria containing vaccine in the preceding 5 years.
  • Receipt of immune globulins, blood or blood-derived products in the past 3 months.
  • Known or suspected congenital or acquired immunodeficiency, immunosuppressive therapy such as anti-cancer chemotherapy or radiation therapy within the preceding 6 months, or long-term systemic corticosteroids therapy.
  • History of diphtheria, tetanus, or pertussis infection (confirmed either serologically or microbiologically).
  • Known or suspected systemic hypersensitivity to any of the vaccine components or history of life-threatening reaction to the study vaccine or a vaccine containing the same substances.
  • Laboratory-confirmed / self-reported thrombocytopenia or bleeding disorder contraindicating intramuscular vaccination.
  • Bleeding disorder, or receipt of anticoagulants in the 3 weeks preceding inclusion, contraindicating intramuscular vaccination.
  • History of encephalopathy (e.g., coma, decreased level of consciousness, or prolonged seizures) not attributable to another identifiable cause within 7 days of administration of a previous dose of diphtheria and tetanus toxoids and pertussis (DTP), or diphtheria and tetanus toxoids and acellular pertussis (DTaP) vaccine.
  • Deprived of freedom by an administrative or court order, or in an emergency setting, or hospitalized involuntarily.
  • Current alcohol abuse or drug addiction.
  • Chronic illness that was at a stage where it might interfere with trial conduct or completion.
  • Moderate or severe acute illness/infection on the day of vaccination or febrile illness (temperature >= 100.4°F).
  • 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 (i.e., parent, spouse, natural or adopted child) of the Investigator or employee with direct involvement in the proposed study.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT02587520). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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