Safety and Immunogenicity of a Monovalent Conjugated Vaccine Against Haemophilus Influenzae Type b
A Phase III, Observer-blind, Randomized, Controlled, Multicenter Study to Investigate Immunogenicity and Safety of Haemophilus Influenzae Type b Vaccine in 2 - 4 Months Old Healthy Infants in China, According to the Recommended Regimen of 3 Intramuscular Doses Given One Month Apart
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 3
Contacts and Locations
Study Locations
-
-
Hebei
-
Dingxing, Hebei, China, 072650
- the CDC of Dingxing county(site no 02)
-
Zhengding, Hebei, China, 050800
- The CDC of Zhengding county(site no 01)
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Infants of either sex, aged 2 - 4 months
In good health as determined by:
- medical history
- physical examination
- clinical judgment of the investigator;
- Available for all visits scheduled in the study and able to comply with all study regulations
- For whom written informed consent has been obtained from at least one parent or legal guardian
Exclusion Criteria:
- Parent or legal guardian is unwilling or unable to give written informed consent to participate in study
- Infants who have received any other Haemophilus influenzae type b immunization dose before
- Infants who presented a previous disease potentially related to Haemophilus influenzae type b
- Infants who had household contact and/or intimate exposure in the previous 30 days to an individual with ascertained Haemophilus influenzae type b disease
- Premature (before 37th week of gestation) or birth weight less than 2500 g
- History of anaphylactic shock, asthma, urticaria or other allergic reaction after previous vaccinations or hypersensitivity to any vaccine component
- Fever ≥ 38.0 °C (axillary body temperature) or/and significant acute or chronic infection requiring systemic antibiotic or antiviral therapy within the past 7 days before enrollment
- Subjects with any serious chronic disease such as cardiac, neurological, metabolic, hematologic, or neoplastic disease
- Known/suspected immunodeficiency, or autoimmune disease, or any immunologic disorder
- Subjects with any neurological disorder, e.g., epilepsy or history of seizure disorder
- Subjects with a clinically significant genetic anomaly
- Treatment with corticosteroids or other immunosuppressive drugs
- Any previous treatment with parenteral immunoglobulin preparation, blood products, and/or plasma derivatives
- Any vaccination administered within one week (7 days) before enrollment and/ or any planned administration of any vaccine outside the Chinese routine vaccination program.
- Participation in any other investigational trial simultaneously
- Planned surgery during the study period
- Any condition, which, in the opinion of the investigator, might interfere with the evaluation of the study objective
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: 1
|
3 doses one month apart of Monovalent conjugated vaccine against Haemophilus influenzae type b vaccine
|
|
Active Comparator: 2
|
3 doses one month apart of Haemophilus influenzae type b vaccine.
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Immunogenic response measured by detection of anti-PRP antibodies by IgG enzyme linked immunosorbent assay (ELISA).
Time Frame: 90 days
|
90 days
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Rates of local and systemic reactions, adverse events (AEs), and serious adverse events (SAEs) after each single vaccination dose will be evaluated.
Time Frame: 90 days
|
90 days
|
Collaborators and Investigators
Sponsor
Sponsor
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- RNA Virus Infections
- Virus Diseases
- Infections
- Respiratory Tract Infections
- Respiratory Tract Diseases
- Gram-Negative Bacterial Infections
- Bacterial Infections
- Bacterial Infections and Mycoses
- Orthomyxoviridae Infections
- Pasteurellaceae Infections
- Influenza, Human
- Haemophilus Infections
- Physiological Effects of Drugs
- Immunologic Factors
- Vaccines
Other Study ID Numbers
Other Study ID Numbers
- M37P2
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