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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT05437510
Other study ID # VAS00006
Secondary ID U1111-1272-25142
Status Active, not recruiting
Phase Phase 3
First received
Last updated
Start date August 8, 2022
Est. completion date March 14, 2025

Study information

Verified date April 2024
Source Sanofi
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to determine the efficacy and safety of a single intramuscular (IM) dose of nirsevimab, compared to no intervention, for the prevention of hospitalizations due to lower respiratory tract infection (LRTI) caused by confirmed RSV infection (henceforth referred to as RSV LRTI hospitalizations) in all infants under 12 months of age who are not eligible to receive palivizumab. The visit frequency will be 1 in-person dosing/randomization visit, with monthly safety follow-up electronic contacts through the first 6 months post dosing/randomization for all participants. The study will also include a 12-month (Day 366) follow-up telephone call. The D366 follow-up telephone call will be the final follow-up telephone call for France, Germany and UK non-reconsented participants. The study will include an 18-month (D546) and a 24-month (D731, final telephone call) follow-up telephone call for UK reconsented participants.


Description:

12 months post-dosing/randomization for France, Germany and UK non-reconsented participants, 24 months post-dosing/randomization for UK reconsented participants. D01 will be the day of randomization (both study groups) and immunization (nirsevimab group).


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 8058
Est. completion date March 14, 2025
Est. primary completion date March 27, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 0 Days to 12 Months
Eligibility Inclusion Criteria: - Born at = 29 weeks gestational age and aged 0 to 12 months (calendar age), who are entering their first RSV season on the day of inclusion in the study (D01) - Informed consent form has been signed and dated by the parent(s) or other LAR(s) (and by an independent witness if required by local regulations) - Participant and parent/LAR are able to attend the scheduled visit and to comply with all study procedures Exclusion Criteria: - Participants are not eligible for the study if any of the following criteria are met: - 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) - Active confirmed RSV infection at the time of dosing/randomization - Active LRTI at the time of dosing/randomization - Known systemic hypersensitivity to any of the study intervention components, or history of a life-threatening reaction to the study intervention used in the study or to a product containing any of the same substances - Laboratory confirmed thrombocytopenia, or known thrombocytopenia, as reported by the parent/LAR, contraindicating intramuscular injection - Bleeding disorder, or receipt of anticoagulants in the 3 weeks preceding inclusion, contraindicating intramuscular injection - Any condition that, in the opinion of the investigator, is at a stage where it might interfere with study conduct or completion - Moderate or severe acute illness/infection (according to investigator judgment) or febrile illness (temperature = 38.0°C [= 100.4°F]) on the day of study intervention administration. - A prospective participant should not be included in the study until the condition has resolved or the febrile event has subsided - Mother of the infant participant was administered an RSV vaccine during her pregnancy with the infant participant - Receipt of any monoclonal antibody by the infant participant - Receipt of immune globulins, blood or blood-derived products in the past 3 months by the infant participant - Participation at the time of study enrollment or planned participation during the present study period in another clinical study investigating a vaccine, drug, medical device, or medical procedure - Eligible to receive palivizumab at time of inclusion (as per local guidelines) - In an emergency setting or hospitalized involuntarily - Identified as a natural or adopted child of the Investigator or employee with direct involvement in the proposed study The above information was not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
Nirsevimab
Pharmaceutical Form: Solution for Injection Route of Administration: Intramuscular

Locations

Country Name City State
France Investigational Site 2500041 Aix-en-Provence
France Investigational Site 2500002 Amiens
France Investigational Site Number: 2500014 Bordeaux
France Investigational Site 2500007 Brest
France Investigational Site Number: 2500038 Brest
France Investigational Site Number: 2500045 Brest
France Investigational Site Number: 2500019 Bron
France Investigational Site Number: 2500043 Brumath
France Investigational Site Number: 2500001 Caen
France Investigational Site Number: 2500032 Chambery
France Investigational Site Number: 2500057 Clamart
France Investigational Site Number: 2500065 Clamart
France Investigational Site Number: 2500029 Combs-la-Ville
France Investigational Site Number: 2500013 Corbeil-Essonnes
France Investigational Site Number: 2500054 Creil
France Investigational Site Number: 2500006 Creteil
France Investigational Site Number: 2500039 Creteil
France Investigational Site Number: 2500023 Dijon
France Investigational Site Number: 2500069 Draguignan
France Investigational Site 2500008 Essey-lès-Nancy
France Investigational Site 2500030 Étampes
France Investigational Site Number: 2500058 Frouard
France Investigational Site Number: 2500064 Grasse
France Investigational Site Number: 2500004 Grenoble
France Investigational Site Number: 2500027 Hery-Sur-Alby
France Investigational Site Number: 2500060 Huningue
France Investigational Site 2500059 La Garenne-Colombes
France Investigational Site Number: 2500071 La Teste-de-Buch
France Investigational Site Number: 2500034 Le Kremlin-Bicêtre
France Investigational Site Number: 2500072 Libourne
France Investigational Site 2500005 Lille
France Investigational Site 2500046 Lille
France Investigational Site Number: 2500012 Limoges
France Investigational Site Number: 2500037 Longjumeau
France Investigational Site 2500021 Maromme
France Investigational Site Number: 2500003 Marseille
France Investigational Site Number: 2500073 Marseille
France Investigational Site Number: 2500068 Mont-de-Marsan
France Investigational Site Number: 2500066 Mont-Saint-Aignan
France Investigational Site Number: 2500067 Montpellier
France Investigational Site Number: 2500077 Morlaix
France Investigational Site Number: 2500047 Nantes
France Investigational Site Number: 2500009 Nice
France Investigational Site Number: 2500055 Nice
France Investigational Site Number: 2500040 Nogent-sur-Marne
France Investigational Site Number: 2500022 Orleans
France Investigational Site Number: 2500050 Orleans
France Investigational Site Number: 2500010 Paris
France Investigational Site Number: 2500024 Paris
France Investigational Site Number: 2500051 Paris
France Investigational Site Number: 2500075 Paris
France Investigational Site Number: Pau
France Investigational Site Number: 2500018 Poissy
France Investigational Site Number: 2500026 Puteaux
France Investigational Site Number: 2500042 Rouen
France Investigational Site Number: 2500078 Saint-Doulchard
France Investigational Site Number: 2500074 Saint-Julien-en-Genevois
France Investigational Site Number: 2500044 Saint-Maur-des-Fossés
France Investigational Site 2500020 Saint-Sébastien-sur-Loire
France Investigational Site Number: 2500052 Saverne
France Investigational Site Number: 2500015 Toulouse
France Investigational Site Number: 2500035 Tours
France Investigational Site Number: 2500049 Vendenheim
France Investigational Site Number: 2500011 Villeneuve-lès-Avignon
France Investigational Site Number: 2500063 Villeneuve-Saint-Georges
France Investigational Site 2500028 Vincennes
Germany Investigational Site Number: 2760036 Augsburg
Germany Investigational Site Number: 2760017 Bad Wildungen
Germany Investigational Site Number: 2760056 Berlin
Germany Investigational Site Number: 2760076 Berlin
Germany Investigational Site Number: 2760099 Berlin
Germany Investigational Site Number: 2760050 Bielefeld
Germany Investigational Site Number: 2760064 Bocholt
Germany Investigational Site Number: 2760098 Bochum
Germany Investigational Site Number: 2760040 Bonn
Germany Investigational Site Number: 2760025 Bramsche
Germany Investigational Site Number: 2760018 Braunschweig
Germany Investigational Site Number: 2760051 Detmold
Germany Investigational Site Number: 2760085 Dortmund
Germany Investigational Site Number: 2760101 Dusseldorf
Germany Investigational Site Number: 2760059 Düsseldorf
Germany Investigational Site Number: 2760081 Eckental
Germany Investigational Site Number: 2760045 Erfurt
Germany Investigational Site Number: 2760047 Forchheim
Germany Investigational Site Number: 2760030 Frankfurt/Oder
Germany Investigational Site Number: 2760015 Freiburg I. Breisgau
Germany Investigational Site Number: 2760079 Gera
Germany Investigational Site Number: 2760005 Gilching
Germany Investigational Site Number: 2760016 Göttingen
Germany Investigational Site Number: 2760060 Göttingen
Germany Investigational Site Number: 2760033 Hamburg
Germany Investigational Site Number: 2760057 Hamburg
Germany Investigational Site Number: 2760096 Hamburg
Germany Investigational Site Number: 2760032 Hamm
Germany Investigational Site Number: 2760007 Hannover
Germany Investigational Site Number: 2760049 Heidelberg
Germany Investigational Site Number: 2760008 Herford
Germany Investigational Site 2760010 Hürth
Germany Investigational Site Number: 2760091 Hürth
Germany Investigational Site Number: 2760035 Itzehoe
Germany Investigational Site Number: 2760095 Kassel
Germany Investigational Site Number: 2760084 Kirchen
Germany Investigational Site Number: 2760065 Krefeld
Germany Investigational Site Number: 2760013 Leipzig
Germany Investigational Site Number: 2760020 Leipzig
Germany Investigational Site 2760006 Mainz
Germany Investigational Site Number: 2760086 Mainz
Germany Investigational Site Number: 2760014 Mannheim
Germany Investigational Site Number: 2760023 Mönchengladbach
Germany Investigational Site Number: 2760054 Mönchengladbach
Germany Investigational Site Number: 2760046 Munchen
Germany Investigational Site Number: 2760019 München
Germany Investigational Site Number: 2760034 München
Germany Investigational Site Number: 2760038 München
Germany Investigational Site Number: 2760061 München
Germany Investigational Site Number: 2760094 München
Germany Investigational Site Number: 2760083 Münster
Germany Investigational Site Number: 2760027 Neuss
Germany Investigational Site Number: 2760004 Niedernhausen
Germany Investigational Site Number: 2760071 Passau
Germany Investigational Site Number: 2760001 Regensburg
Germany Investigational Site Number: 2760003 Rosenheim
Germany Investigational Site Number: 2760062 Rüsselsheim A. Main
Germany Investigational Site Number: 2760092 Saarbrücken
Germany Investigational Site 2760029 Schönau
Germany Investigational Site Number: 2760044 Schweigen
Germany Investigational Site Number: 2760069 Suhl
Germany Investigational Site Number: 2760067 Tuttlingen
Germany Investigational Site Number: 2760043 Weiden
Germany Investigational Site Number: 2760002 Wesel
Germany Investigational Site Number: 2760028 Wolfsburg
Germany Investigational Site Number: 2760093 Wolfsburg
United Kingdom Investigational Site Number: 8260007 Amersham
United Kingdom Investigational Site Number: 8260096 Ashford
United Kingdom Investigational Site Number: 8260053 Banbury
United Kingdom Investigational Site Number: 8260057 Barnet
United Kingdom Investigational Site Number: 8260004 Barnsley
United Kingdom Investigational Site Number: 8260107 Basildon
United Kingdom Investigational Site Number: 8260110 Basingstoke
United Kingdom Investigational Site 8260009 Bath
United Kingdom Investigational Site Number: 8260067 Bath
United Kingdom Investigational Site Number: 8260100 Bebington
United Kingdom Investigational Site Number: 8260073 Belfast
United Kingdom Investigational Site Number: 8260095 Bicester
United Kingdom Investigational Site Number: 8260029 Blackburn
United Kingdom Investigational Site Number: 8260108 Bollington
United Kingdom Investigational Site Number: 8260085 Bolton
United Kingdom Investigational Site Number: 8260013 Bradford
United Kingdom Investigational Site Number: 8260112 Brierley Hill
United Kingdom Investigational Site Number: 8260058 Brighton
United Kingdom Investigational Site 8260046 Bristol
United Kingdom Investigational Site Number: 8260008 Bristol
United Kingdom Investigational Site Number: 8260019 Bristol
United Kingdom Investigational Site Number: 8260063 Bury St. Edmunds
United Kingdom Investigational Site Number: 8260040 Cardiff
United Kingdom Investigational Site Number: 8260062 Cheltenham
United Kingdom Investigational Site Number: 8260066 Chertsey
United Kingdom Investigational Site Number: 8260061 Chippenham
United Kingdom Investigational Site Number: 8260036 Corby
United Kingdom Investigational Site Number: 8260054 Cottingham
United Kingdom Investigational Site Number: 8260035 Darlington
United Kingdom Investigational Site Number: 8260037 Darlington
United Kingdom Investigational Site Number: 8260041 Darlington
United Kingdom Investigational Site 8260064 Dorchester
United Kingdom Investigational Site Number: 8260087 Dundee
United Kingdom Investigational Site 8260018 Exeter
United Kingdom Investigational Site Number: 8260020 Gillingham
United Kingdom Investigational Site Number: 8260056 Great Yarmouth
United Kingdom Investigational Site Number: 8260069 Harrow
United Kingdom Investigational Site Number: 8260109 Highcliffe
United Kingdom Investigational Site Number: 8260101 Ipswich
United Kingdom Investigational Site Number: 8260027 Leicester
United Kingdom Investigational Site Number: 8260074 Leicester
United Kingdom Investigational Site Number: 8260091 Leicester
United Kingdom Investigational Site Number: 8260088 Liskeard
United Kingdom Investigational Site Number: 8260030 Liverpool
United Kingdom Investigational Site Number: 8260092 Liverpool
United Kingdom Investigational Site Number: 8260001 London
United Kingdom Investigational Site Number: 8260002 London
United Kingdom Investigational Site Number: 8260010 London
United Kingdom Investigational Site Number: 8260011 London
United Kingdom Investigational Site Number: 8260039 London
United Kingdom Investigational Site Number: 8260075 London
United Kingdom Investigational Site Number: 8260076 London
United Kingdom Investigational Site Number: 8260077 London
United Kingdom Investigational Site Number: 8260078 London
United Kingdom Investigational Site Number: 8260079 London
United Kingdom Investigational Site Number: 8260084 London
United Kingdom Investigational Site Number: 8260071 Macclesfield
United Kingdom Investigational Site Number: 8260015 Manchester
United Kingdom Investigational Site Number: 8260097 Margate
United Kingdom Investigational Site Number: 8260012 Middlesbrough
United Kingdom Investigational Site Number: 8260042 Milton Keynes
United Kingdom Investigational Site Number: 8260072 Nantwich
United Kingdom Investigational Site Number: 8260044 Newcastle Upon Tyne
United Kingdom Investigational Site Number: 8260119 Newport
United Kingdom Investigational Site Number: 8260045 Newquay
United Kingdom Investigational Site Number: 8260024 Norwich
United Kingdom Investigational Site 8260028 Nottingham
United Kingdom Investigational Site 8260043 Nottingham
United Kingdom Investigational Site Number: 8260003 Oxford
United Kingdom Investigational Site Number: 8260022 Oxford
United Kingdom Investigational Site Number: 8260080 Penzance
United Kingdom Investigational Site Number: 8260093 Peterborough
United Kingdom Investigational Site Number: 8260081 Plymouth
United Kingdom Investigational Site 8260005 Poole
United Kingdom Investigational Site Number: 8260094 Poole
United Kingdom Investigational Site Number: 8260065 Portsmouth
United Kingdom Investigational Site Number: 8260106 Prescot
United Kingdom Investigational Site Number: 8260117 Preston
United Kingdom Investigational Site Number: 8260016 Reading
United Kingdom Investigational Site Number: 8260086 Reading
United Kingdom Investigational Site Number: 8260103 Redhill
United Kingdom Investigational Site Number: 8260105 Redruth
United Kingdom Investigational Site 8260026 Romsey
United Kingdom Investigational Site Number: 8260068 Runcorn
United Kingdom Investigational Site Number: 8260059 Salford
United Kingdom Investigational Site Number: 8260111 Salisbury
United Kingdom Investigational Site Number: 8260014 Sheffield
United Kingdom Investigational Site 8260051 Southampton
United Kingdom Investigational Site Number: 8260038 Stevenage
United Kingdom Investigational Site Number: 8260034 Stockport
United Kingdom Investigational Site Number: 8260025 Stockton-on-Tees
United Kingdom Investigational Site Number: 8260052 Sunderland
United Kingdom Investigational Site Number: 8260098 Sutton In Ashfield
United Kingdom Investigational Site Number: 8260083 Swanage
United Kingdom Investigational Site Number: 8260047 Swindon
United Kingdom Investigational Site Number: 8260115 Swinton
United Kingdom Investigational Site Number: 8260102 Tameside
United Kingdom Investigational Site Number: 8260032 Taunton
United Kingdom Investigational Site Number: 8260031 Torpoint
United Kingdom Investigational Site 8260082 Wantage
United Kingdom Investigational Site Number: 8260017 Waterlooville
United Kingdom Investigational Site Number: 8260104 Winchester
United Kingdom Investigational Site Number: 8260021 Winscombe
United Kingdom Investigational Site Number: 8260006 Witney
United Kingdom Investigational Site Number: 8260060 Witney
United Kingdom Investigational Site Number: 8260050 Yeovil
United Kingdom Investigational Site 8260023 York
United Kingdom Investigational Site Number: 8260116 York

Sponsors (2)

Lead Sponsor Collaborator
Sanofi Pasteur, a Sanofi Company AstraZeneca

Countries where clinical trial is conducted

France,  Germany,  United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Overall incidence of RSV LRTI hospitalization through the RSV season Number of RSV LRTI hospitalization through the RSV season. Up to 180 days post-dosing/randomization
Secondary Incidence of very severe RSV LRTI through the RSV season Number of very severe RSV LRTI through the RSV season. Severe RSV LRTI are defined as confirmed RSV hospitalization for LRTI with an oxygen saturation (SaO2) < 90% (at any time) and oxygen supplementation. Up to 180 days post-dosing/randomization
Secondary Incidence of hospitalization for LRTI through the RSV season in each country Number of RSV LRTI hospitalization in each country through the RSV season. Up to 180 days post-dosing/randomization
Secondary Overall hospitalization for allcause LRTI in all 3 countries combined throughout the RSV season Number of RSV LRTI hospitalization in all 3 countries combined through the RSV season. Up to 180 days post-dosing/randomization
Secondary Incidence (overall and in each country) of RSV LRTI hospitalization throughout 150 days post-dosing/randomization Number of RSV LRTI hospitalization, overall and in each country, throughout 150 days post-dosing/randomization. Day 151
Secondary Incidence of very severe RSV LRTI in all 3 countries combined through 150 days post-dosing/randomization Number of very severe RSV LRTI in all 3 countries combined through 151 days post-dosing/randomization.
Severe RSV LRTI are defined as confirmed RSV hospitalization for LRTI with an oxygen saturation (SaO2) < 90% (at any time) and oxygen supplementation.
Day 151
Secondary Incidence of hospitalizations for all cause LRTI through 150 days post-dosing/randomization Number of hospitalizations for all cause LRTI through 150 days post-dosing/randomization Day 151
Secondary Incidence of RSV LRTI hospitalization throughout the second year post-immunization/randomization Number of RSV LRTI hospitalizations Day 366 to Day 731
Secondary Incidence of hospitalizations for all-cause LRTI throughout the second year post immunization/randomization Number of hospitalizations for all-cause LRTI Day 366 to Day 731
Secondary Any immediate adverse events (AEs) reported in the 30?minutes after immunization Number of participants experiencing immediate AEs 30 minutes after immunization
Secondary Non-serious AEs from D01 (post-dosing/randomization) to D31 Number of non-serious AEs Day 01 to Day 31
Secondary Adverse events of special interest (AESIs) from D01 visit through 1-year post-dosing/randomization or D366 Number of participants experiencing AESIs Day 01 through 1-year post-dosing/randomization (Day 366)
Secondary Medically attended adverse events (MAAEs) from D01 visit through 1-year post-dosing/randomization or D366 Number of participants experiencing MAAEs Day 01 through 1-year post-dosing/randomization (Day 366)
Secondary Serious adverse events (SAEs) from D01 visit through 1-year post-dosing/randomization or D366 Number of participants experiencing SAEs Day 01 through 1-year post-dosing/randomization (Day 366)
Secondary Related SAEs from D366 to D731 for United Kingdom (UK) participants Number of UK participants experiencing SAEs related to study intervention Day 366 to D 731
Secondary Incidence of RSV LRTI hospitalizations through 180 days post-dosing/randomization (overall and in each country) Number of RSV LRTI hospitalizations overall and in each country Day 01 through 180 days post-dosing/randomization
Secondary Incidence of hospitalizations for all cause LRTI through 180 days post-dosing/randomization Number of hospitalizations for all-cause LRTI Day 01 through 180 days post-dosing/randomization
Secondary Incidence of RSV LRTI hospitalization from 181 days post-dosing/randomization until D366 the end of the study (overall and in each country) Number of RSV LRTI hospitalizations overall and in each country 181 days post-dosing/randomization until Day 366
Secondary Incidence of hospitalizations for all cause LRTI from 181 days post-dosing/randomization until D366 Number of hospitalizations for all-cause LRTI 181 days post-dosing/randomization until Day 366
Secondary Incidence of recurrent wheeze in UK reconsented participants from D01 to D731 Number of UK reconsented participants with recurrent wheeze Day 01 to Day 731
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