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    Clinical Trial Results:
    A Phase III, Single-Arm, Open-Label Study to Evaluate the Safety, Pharmacokinetics, Anti-Drug Antibody, and Anti-RSV Neutralizing Antibody Following Administration of 2 Doses of Nirsevimab Given 5 to 6 Months Apart in Infants with Congenital Heart Disease, Chronic Lung Disease, Immunocompromise, Down Syndrome, or Born Pre-Term in Japan (JUBILUS)

    Summary
    EudraCT number
    2025-000021-13
    Trial protocol
    Outside EU/EEA  
    Global end of trial date
    24 Jul 2025

    Results information
    Results version number
    v1(current)
    This version publication date
    04 Feb 2026
    First version publication date
    04 Feb 2026
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    D5290C00009
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT06042049
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    AstraZeneca
    Sponsor organisation address
    1800 Concorde Pike, Wilmington, United States, DE 19803
    Public contact
    Global Clinical Lead, AstraZeneca, +1 8772409479, information.center@astrazeneca.com
    Scientific contact
    Global Clinical Lead, AstraZeneca, +1 8772409479, information.center@astrazeneca.com
    Paediatric regulatory details
    Is trial part of an agreed paediatric investigation plan (PIP)
    No
    Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial?
    Yes
    Results analysis stage
    Analysis stage
    Final
    Date of interim/final analysis
    24 Jul 2025
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    24 Jul 2025
    Global end of trial reached?
    Yes
    Global end of trial date
    24 Jul 2025
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    To evaluate the safety and tolerability of 2 doses of nirsevimab administered 5 to 6 months apart in Infants with Congenital Heart Disease, Chronic Lung Disease, Immunocompromise, Down Syndrome, or Born Pre-Term in Japan
    Protection of trial subjects
    This study was performed in accordance with the ethical principles that have their origin in the Declaration of Helsinki and that are consistent with International Council for Harmonisation/Good Clinical Practice, applicable regulatory requirements, and the AstraZeneca policy on Bioethics.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    27 Jul 2023
    Long term follow-up planned
    No
    Independent data monitoring committee (IDMC) involvement?
    No
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    Japan: 33
    Worldwide total number of subjects
    33
    EEA total number of subjects
    0
    Number of subjects enrolled per age group
    In utero
    0
    Preterm newborn - gestational age < 37 wk
    0
    Newborns (0-27 days)
    8
    Infants and toddlers (28 days-23 months)
    25
    Children (2-11 years)
    0
    Adolescents (12-17 years)
    0
    Adults (18-64 years)
    0
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    This Phase III, single-arm, open-label study was conducted at 9 investigational sites in Japan in infants (< or equal to 12 months of age at enrolment) with congenital heart disease, chronic lung disease, immunocompromise, down syndrome, or born pre-term.

    Pre-assignment
    Screening details
    The study had a screening visit (Day -30 to Day 1), study drug given in 2 doses (Day 1 and Day 150–180), and an end-of-study follow-up (360 days after the second or last dose). A total of 33 infants were enrolled. Final results are presented up to the last subject, last visit (LSLV) date of 24-Jul-2025.

    Period 1
    Period 1 title
    Overall Study (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Not applicable
    Blinding used
    Not blinded

    Arms
    Arm title
    Nirsevimab 50 mg/100 mg
    Arm description
    Participants in the first year of life received the first dose of nirsevimab on Day 1 as a single, fixed IM dose of 50 mg if body weight was <5 kg or 100 mg if body weight was >=5 kg. A second fixed IM dose of 50 mg was administered if body weight was <5 kg or 100 mg if body weight was >=5 kg at 5 to 6 months following the first dose (Day 150-180).
    Arm type
    Experimental

    Investigational medicinal product name
    Nirsevimab
    Investigational medicinal product code
    Other name
    MEDI8897
    Pharmaceutical forms
    Solution for injection
    Routes of administration
    Intramuscular use
    Dosage and administration details
    Participants in the first year of life received the first dose of nirsevimab on Day 1 as a single, fixed IM dose of 50 mg if body weight was <5 kg or 100 mg if body weight was >=5 kg. A second fixed IM dose of 50 mg was administered if body weight was <5 kg or 100 mg if body weight was >=5 kg at 5 to 6 months following the first dose (Day 150-180).

    Number of subjects in period 1
    Nirsevimab 50 mg/100 mg
    Started
    33
    Received study dose 1
    33
    Received study dose 2
    32 [1]
    Completed
    33
    Notes
    [1] - The number of subjects at this milestone seems inconsistent with the number of subjects in the arm. It is expected that the number of subjects will be greater than, or equal to the number that completed, minus those who left.
    Justification: One participant did not receive study dose 2 but did not discontinue the study, they completed the study.

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Nirsevimab 50 mg/100 mg
    Reporting group description
    Participants in the first year of life received the first dose of nirsevimab on Day 1 as a single, fixed IM dose of 50 mg if body weight was <5 kg or 100 mg if body weight was >=5 kg. A second fixed IM dose of 50 mg was administered if body weight was <5 kg or 100 mg if body weight was >=5 kg at 5 to 6 months following the first dose (Day 150-180).

    Reporting group values
    Nirsevimab 50 mg/100 mg Total
    Number of subjects
    33 33
    Age categorical
    Units: Subjects
    Age Continuous
    Units: months
        arithmetic mean (standard deviation)
    2.32 ( 2.39 ) -
    Sex: Female, Male
    Units: participants
        Female
    15 15
        Male
    18 18
    Ethnicity (NIH/OMB)
    Units: Subjects
        Hispanic or Latino
    0 0
        Not Hispanic or Latino
    33 33
        Unknown or Not Reported
    0 0
    Race/Ethnicity, Customized
    Units: Subjects
        Asian
    33 33
    Subject analysis sets

    Subject analysis set title
    As-Treated Set 1
    Subject analysis set type
    Full analysis
    Subject analysis set description
    The As-treated set 1 (ATS1) consists of all participants who receive at least 1 dose of IMP.

    Subject analysis set title
    As-Treated Set 2
    Subject analysis set type
    Safety analysis
    Subject analysis set description
    The As-treated set 2 (ATS2) consists of all participants who receive the 2 doses of IMP.

    Subject analysis sets values
    As-Treated Set 1 As-Treated Set 2
    Number of subjects
    33
    32
    Age categorical
    Units: Subjects
    Age Continuous
    Units: months
        arithmetic mean (standard deviation)
    2.32 ( 2.39 )
    2.32 ( 2.43 )
    Sex: Female, Male
    Units: participants
        Female
    15
    14
        Male
    18
    18
    Ethnicity (NIH/OMB)
    Units: Subjects
        Hispanic or Latino
    0
    0
        Not Hispanic or Latino
    33
    32
        Unknown or Not Reported
    0
    0
    Race/Ethnicity, Customized
    Units: Subjects
        Asian
    33
    32

    End points

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    End points reporting groups
    Reporting group title
    Nirsevimab 50 mg/100 mg
    Reporting group description
    Participants in the first year of life received the first dose of nirsevimab on Day 1 as a single, fixed IM dose of 50 mg if body weight was <5 kg or 100 mg if body weight was >=5 kg. A second fixed IM dose of 50 mg was administered if body weight was <5 kg or 100 mg if body weight was >=5 kg at 5 to 6 months following the first dose (Day 150-180).

    Subject analysis set title
    As-Treated Set 1
    Subject analysis set type
    Full analysis
    Subject analysis set description
    The As-treated set 1 (ATS1) consists of all participants who receive at least 1 dose of IMP.

    Subject analysis set title
    As-Treated Set 2
    Subject analysis set type
    Safety analysis
    Subject analysis set description
    The As-treated set 2 (ATS2) consists of all participants who receive the 2 doses of IMP.

    Primary: Number of Participants With Treatment-emergent Adverse Events (TEAEs), Treatment-emergent Serious Adverse Events (TESAEs), Adverse Events of Special Interest (AESIs), and new-onset Chronic Diseases (NOCDs)

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    End point title
    Number of Participants With Treatment-emergent Adverse Events (TEAEs), Treatment-emergent Serious Adverse Events (TESAEs), Adverse Events of Special Interest (AESIs), and new-onset Chronic Diseases (NOCDs) [1]
    End point description
    An AE was development of any untoward medical occurrence in a participant or clinical study participant administered medicinal product and which did not necessarily have causal relationship with this treatment. TEAEs were AEs whose onset occurred after receiving nirsevimab through 360 days post second dose. An SAE was any AE that resulted in death, was immediately life-threatening, required inpatient hospitalization or prolongation of existing hospitalization, resulted in persistent or significant disability/incapacity, was a congenital anomaly or birth defect or was an important medical event that might jeopardize the participant or may require medical treatment to prevent 1 of the outcomes listed above. AESIs were based on assessment by investigators following the administration of nirsevimab. An NOCD was a newly diagnosed medical condition of chronic, ongoing nature post administration of study drug.
    End point type
    Primary
    End point timeframe
    From the first dose administration (Day 1) through 360 days post 2nd dose, study Day 511
    Notes
    [1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
    Justification: One participant did not receive study dose 2 but did not discontinue the study, they completed the study.
    End point values
    Nirsevimab 50 mg/100 mg
    Number of subjects analysed
    32 [2]
    Units: participants
        TEAE
    32
        TESAE
    8
        AESI
    0
        NOCD
    1
    Notes
    [2] - Based on the As-treated set 2 (N=32): all participants who receive the 2 doses of IMP.
    No statistical analyses for this end point

    Secondary: Serum Concentrations of Nirsevimab

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    End point title
    Serum Concentrations of Nirsevimab
    End point description
    Serum samples were collected at specified timepoints to evaluate concentrations of nirsevimab at selected time points.
    End point type
    Secondary
    End point timeframe
    Pre-dose Day 1, pre-dose Day 151, Day 181 post first-dose, Day 301 post first-dose, and Day 511 post first-dose
    End point values
    Nirsevimab 50 mg/100 mg
    Number of subjects analysed
    33 [3]
    Units: microgram/milliliter (mcg/mL)
    geometric mean (geometric coefficient of variation)
        Pre-dose Day 1
    0 ( 0 )
        Pre-dose Day 151
    24.362 ( 24.639 )
        Day 181
    129.554 ( 19.090 )
        Day 301
    36.239 ( 48.154 )
        Day 511
    3.234 ( 111.784 )
    Notes
    [3] - Participants in ATS1 with at least 1 quantifiable serum PK observation. (PK Analysis Set, N=33)
    No statistical analyses for this end point

    Secondary: Number of Participants With Anti-drug Antibody (ADA) Response to Nirsevimab

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    End point title
    Number of Participants With Anti-drug Antibody (ADA) Response to Nirsevimab
    End point description
    Blood samples were analyzed for the presence of ADAs for nirsevimab using an appropriately validated bioanalytical method.
    End point type
    Secondary
    End point timeframe
    Pre-dose Day 1, pre-dose Day 151, Day 181 post first-dose, Day 301 post first-dose, and Day 511 post first-dose
    End point values
    Nirsevimab 50 mg/100 mg
    Number of subjects analysed
    32 [4]
    Units: participants
        Pre-dose Day 1
    0
        Pre-dose Day 151
    0
        Day 181
    0
        Day 301
    0
        Day 511
    4
    Notes
    [4] - Participants in ATS2 with at least 1 non-missing ADA-sample post second dose. (ADA Set, N=32)
    No statistical analyses for this end point

    Secondary: Serum Anti-respiratory Syncytial Virus (RSV) Neutralizing Antibody (nAb) Levels

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    End point title
    Serum Anti-respiratory Syncytial Virus (RSV) Neutralizing Antibody (nAb) Levels
    End point description
    Blood samples were collected for the determination anti-RSV nAb in serum using an appropriately validated bioanalytical method.
    End point type
    Secondary
    End point timeframe
    Pre-dose Day 1, pre-dose Day 151, Day 181 post first-dose, Day 301 post first-dose, and Day 511 post first-dose
    End point values
    Nirsevimab 50 mg/100 mg
    Number of subjects analysed
    32 [5]
    Units: international units/mL
    geometric mean (geometric coefficient of variation)
        Pre-dose Day 1
    254.6 ( 79.2 )
        Pre-dose Day 151
    8127.4 ( 18.8 )
        Day 181
    28552.2 ( 9.5 )
        Day 301
    11241.0 ( 24.8 )
        Day 511
    1302.1 ( 58.1 )
    Notes
    [5] - Participants in ATS2 with at least 1 quantifiable serum nAb observation after the second dose (N=32)
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    From 1st dose through 360 days after 2nd dose
    Adverse event reporting additional description
    Safety analyses and AE reporting is based on ATS2
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    28.0
    Reporting groups
    Reporting group title
    Nirsevimab
    Reporting group description
    -

    Serious adverse events
    Nirsevimab
    Total subjects affected by serious adverse events
         subjects affected / exposed
    8 / 32 (25.00%)
         number of deaths (all causes)
    0
         number of deaths resulting from adverse events
    0
    Injury, poisoning and procedural complications
    Thermal burn
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Post procedural complication
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Nervous system disorders
    Infantile spasms
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Apnoea
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Asthma
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    Bronchitis
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Bronchitis viral
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Metapneumovirus pneumonia
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pneumonia bacterial
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Viral sepsis
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastroenteritis adenovirus
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    HCoV-OC43 infection
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 0%
    Non-serious adverse events
    Nirsevimab
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    32 / 32 (100.00%)
    Vascular disorders
    Vascular insufficiency
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    General disorders and administration site conditions
    Injection site erythema
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Peripheral swelling
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Pyrexia
         subjects affected / exposed
    14 / 32 (43.75%)
         occurrences all number
    17
    Vaccination site erythema
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Immune system disorders
    Food allergy
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Allergy to animal
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Bacille Calmette-Guerin scar reactivation
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Respiratory, thoracic and mediastinal disorders
    Nasal congestion
         subjects affected / exposed
    3 / 32 (9.38%)
         occurrences all number
    3
    Nasal obstruction
         subjects affected / exposed
    3 / 32 (9.38%)
         occurrences all number
    3
    Pulmonary hypertension
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Rhinitis allergic
         subjects affected / exposed
    5 / 32 (15.63%)
         occurrences all number
    5
    Rhinorrhoea
         subjects affected / exposed
    3 / 32 (9.38%)
         occurrences all number
    7
    Sputum increased
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Upper respiratory tract inflammation
         subjects affected / exposed
    4 / 32 (12.50%)
         occurrences all number
    5
    Wheezing
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Bronchial hyperreactivity
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Asthma
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Cough
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Investigations
    Neutrophil count decreased
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Injury, poisoning and procedural complications
    Chillblains
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Immunisation reaction
         subjects affected / exposed
    6 / 32 (18.75%)
         occurrences all number
    13
    Inflammation of wound
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Post procedural fever
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Post procedural oedema
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Radial head dislocation
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Scratch
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Thermal burn
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Arthropod sting
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Arthropod bite
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Cardiac disorders
    Pulmonary valve stenosis
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Nervous system disorders
    Epilepsy
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Blood and lymphatic system disorders
    Anaemia neonatal
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Ear and labyrinth disorders
    Excessive cerumen production
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Eye disorders
    Eye pruritus
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Conjunctivitis allergic
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Gastrointestinal disorders
    Vomiting
         subjects affected / exposed
    3 / 32 (9.38%)
         occurrences all number
    5
    Haemorrhoids
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Diarrhoea
         subjects affected / exposed
    9 / 32 (28.13%)
         occurrences all number
    13
    Constipation
         subjects affected / exposed
    3 / 32 (9.38%)
         occurrences all number
    3
    Anal inflammation
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Enteritis
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Skin and subcutaneous tissue disorders
    Decubitus ulcer
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    2
    Dermatitis
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Dermatitis contact
         subjects affected / exposed
    4 / 32 (12.50%)
         occurrences all number
    5
    Dry skin
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    5
    Eczema
         subjects affected / exposed
    8 / 32 (25.00%)
         occurrences all number
    8
    Eczema asteatotic
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    4
    Eczema infantile
         subjects affected / exposed
    4 / 32 (12.50%)
         occurrences all number
    4
    Miliaria
         subjects affected / exposed
    3 / 32 (9.38%)
         occurrences all number
    3
    Seborrhoeic dermatitis
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Urticaria
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Dermatitis diaper
         subjects affected / exposed
    8 / 32 (25.00%)
         occurrences all number
    13
    Dermatitis bullous
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Idiopathic urticaria
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Renal and urinary disorders
    Haematuria
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Endocrine disorders
    Hypothyroidism
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Infections and infestations
    Gastroenteritis viral
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Abscess limb
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Adenoviral conjunctivitis
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Anal abscess
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Bronchitis
         subjects affected / exposed
    4 / 32 (12.50%)
         occurrences all number
    7
    Bronchitis viral
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Conjunctivitis
         subjects affected / exposed
    3 / 32 (9.38%)
         occurrences all number
    4
    Conjunctivitis bacterial
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Exanthema subitum
         subjects affected / exposed
    4 / 32 (12.50%)
         occurrences all number
    5
    Gastroenteritis
         subjects affected / exposed
    7 / 32 (21.88%)
         occurrences all number
    7
    Gastroenteritis norovirus
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Hand-foot-and-mouth disease
         subjects affected / exposed
    12 / 32 (37.50%)
         occurrences all number
    14
    Hordeolum
         subjects affected / exposed
    3 / 32 (9.38%)
         occurrences all number
    3
    Impetigo
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Influenza
         subjects affected / exposed
    4 / 32 (12.50%)
         occurrences all number
    4
    Lower respiratory tract infection
         subjects affected / exposed
    5 / 32 (15.63%)
         occurrences all number
    13
    Lower respiratory tract infection viral
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Nasopharyngitis
         subjects affected / exposed
    9 / 32 (28.13%)
         occurrences all number
    22
    Oral candidiasis
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Otitis externa
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Otitis externa bacterial
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Otitis media
         subjects affected / exposed
    4 / 32 (12.50%)
         occurrences all number
    6
    Parainfluenzae viral bronchitis
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    3
    Paronychia
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Pharyngitis
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Respiratory syncytial virus infection
         subjects affected / exposed
    3 / 32 (9.38%)
         occurrences all number
    3
    Rhinitis
         subjects affected / exposed
    5 / 32 (15.63%)
         occurrences all number
    6
    Upper respiratory tract infection
         subjects affected / exposed
    25 / 32 (78.13%)
         occurrences all number
    65
    Upper respiratory tract infection bacterial
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Viral upper respiratory tract infection
         subjects affected / exposed
    10 / 32 (31.25%)
         occurrences all number
    17
    Sinusitis
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Norovirus infection
         subjects affected / exposed
    4 / 32 (12.50%)
         occurrences all number
    4
    Dacryocystitis
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    COVID-19
         subjects affected / exposed
    5 / 32 (15.63%)
         occurrences all number
    5
    Suspected COVID-19
         subjects affected / exposed
    2 / 32 (6.25%)
         occurrences all number
    2
    Streptococcal infection
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Metabolism and nutrition disorders
    Failure to thrive
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1
    Feeding disorder
         subjects affected / exposed
    1 / 32 (3.13%)
         occurrences all number
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? No

    Interruptions (globally)

    Were there any global interruptions to the trial? No

    Limitations and caveats

    Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data.
    Not applicable
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