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THRIVE - Trial of Passive Humoral RSV Immunity for Value and Effectiveness (THRIVE)

5. Mai 2026 aktualisiert von: Menzies School of Health Research

Passive Immunisation With RSV-specific Monoclonal Antibody (RSV-SMA) to Prevent RSV Respiratory Infections Among Aboriginal and Torres Strait Islander Children in the Northern Territory: a Pragmatic Randomised Controlled Trial.

RSV is a leading cause of severe respiratory illness and hospitalisation for young children, with particularly high rates of RSV respiratory infection observed amongst Aboriginal and Torres Strait Islander children living in Australia's Northern Territory. The goal of this clinical trial is to evaluate whether routinely administering a single dose of respiratory syncytial virus (RSV)-specific monoclonal antibody, nirsevimab, from 6 months old, provides protection against RSV infections for Aboriginal and Torres Strait Islander children throughout in the first and second year of life.

In this study, participants will be randomly assigned to receive either a single dose of intra-muscular RSV-specific monoclonal antibody, nirsevimab, or standard care (no RSV-specific monoclonal antibody). The primary objective is to determine whether administration ofRSV-specific monoclonal antibody, nirsevimab reduces the occurrence of RSV infection over the subsequent 12 months. Secondary objectives include assessing whether nirsevimab reduces RSV-related hospital attendances, as well as respiratory and all-cause hospitalisations, over the following 6 and 12 months. An assessment of cost-effectiveness will also be undertaken.

Participants will receive the study intervention at 6 months of age (+90 days). Follow-up will be conducted through passive surveillance using electronic medical records and public health notification systems to capture relevant health outcomes.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

This study is a pragmatic, parallel-group, randomised controlled trial conducted in the Northern Territory to evaluate an RSV prevention strategy in Aboriginal and Torres Strait Islander infants under real-world conditions.

Eligible infants aged approximately 6 months (+90 days) will be randomised in a 1:1 ratio to receive either a single intramuscular dose of RSV-specific monoclonal antibody (nirsevimab) or standard care. Randomisation will be stratified by geographic region (e.g. Top End and Central Australia), remoteness classification and prior nirsevimab dose status.

At enrolment, baseline data is collected to confirm eligibility and characterise the study population. This includes review of immunisation and birth records and collection of simple clinical measurements such as weight and temperature, consistent with routine care.

The study is designed to minimise participant burden and reflect routine clinical practice. Apart from the study intervention and a brief follow-up contact approximately 7 days after enrolment to assess early safety, no additional procedures or scheduled study visits are required. Participants will otherwise continue to receive standard healthcare through existing services.

Outcome ascertainment will be undertaken using passive follow-up through routinely collected health data. This includes review of hospital medical records and linkage with RSV notifications reported through the Northern Territory notifiable disease surveillance system. These data sources will be used to identify laboratory-confirmed RSV infection, healthcare presentations, and hospital admissions during the follow-up period.

The study incorporates a Bayesian adaptive design, allowing for interim analyses at predefined enrolment milestones. This enables potential early stopping for superiority or futility, ensuring efficient use of resources and minimising unnecessary exposure of participants.

An economic evaluation will be conducted alongside the trial to assess the cost-effectiveness of the intervention using observed healthcare utilisation and outcome data.

Studientyp

Interventionell

Einschreibung (Geschätzt)

1000

Phase

  • Phase 4

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Studieren Sie die Kontaktsicherung

Studienorte

  • Australien
    • Northern Territory
      • Darwin, Northern Territory, Australien, 0810
        • Menzies School of Health Research
        • Kontakt:

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Kind

Akzeptiert gesunde Freiwillige

Ja

Beschreibung

Inclusion Criteria:

  1. Aboriginal and/or Torres Strait Islander infant ≥ 6 calendar months old and < 9 calendar months old.
  2. Parent/caregiver is willing for their infant to participate in the study and informed consent for the infant's participation in the study has been given.
  3. Parent/caregiver is willing to comply with all study procedures outlined in the protocol, including review of maternal/ infant immunisation records, electronic medical records and public health notifications, for the duration of the study.

Exclusion Criteria:

  1. Infants with a contra-indication to RSV-SMA per the Australian Immunisation Handbook (i.e. anaphylaxis to a prior dose).
  2. Infants who have received a prior dose of RSV-SMA at ≥ 3 calendar months old.
  3. Previously enrolled in this trial.

Temporary Exclusion Criteria

  1. Infants who have received a prior dose of RSV-SMA between ≥ 1 calendar months old and < 3 calendar months old will be excluded until at least 150 days have passed since their most recent dose. Randomisation can be delayed until participants meet this criterion.
  2. Acute illness at the time of assessment (e.g. fever ≥ 38.5°C, acute respiratory or other infection as determined by trained and delegated study staff) is temporarily excluded until they are recovered and/or symptom-free for ≥ 24 hours.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Verhütung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Doppelt

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Nirsevimab (RSV-specific monoclonal antibody)
Participants in the experimental arm will receive a single dose of RSV-specific monoclonal antibody - nirsevimab, administered from 6 months old (+ 90 days) in accordance with the licensed indication for RSV prevention. Dosing will be weight-based (50mg for infants < 5kg, and 100mg for infants ≥5 kg) and administered by unblinded study staff. Participants will continue to receive routine health care and additional immunisations in accordance with the National Immunisation Program and local guidelines.
Biologisch: Nirsevimab (RSV-specific monoclonal antibody)
A single intramuscular dose of RSV-specific monoclonal antibody (RSV-SMA) - nirsevimab, will be administered from 6 months old (+ 90 days) to prevent RSV respiratory infections among Aboriginal and Torres Strait Islander children in the first and second year of life. Our randomised clinical trial will be among the first to evaluate the health and economic impact of routinely administering a dose of RSV-SMA from 6 months old in a year-round program for this high-risk population with less distinct RSV infection seasons.
Kein Eingriff: Standard Care
Participants in the standard care arm will NOT receive a dose of RSV-specific monoclonal antibody - nirsevimab. Participants will continue to receive routine health care and immunisations in accordance with the National Immunisation Program and local guidelines.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
RSV infection
Zeitfenster: Before 6-months and 12-months post randomisation date
RSV respiratory infection detected by reverse transcription polymerase chain reaction (RT-PCR) on a respiratory specimen from time of randomisation to before 6-months and before 12-months post-randomisation AND notified to the NT Notifiable Disease System. RSV infection before 12 months post-randomisation is the primary endpoint.
Before 6-months and 12-months post randomisation date

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
RSV hospital attendance
Zeitfenster: Before 6-months and 12-months post randomisation date
Any emergency department presentation or hospital admission at any time from time of randomisation to before 6-months and before 12- months post-randomisation, AND for which RSV is detected by RT-PCR of a respiratory specimen (regardless of notification) collected at any time from 120 hours before hospital presentation to 72 hours afterwards.
Before 6-months and 12-months post randomisation date
RSV hospitalisation
Zeitfenster: Before 6-months and 12-months post randomisation date
Subset of RSV hospital attendances resulting in admission to an inpatient service.
Before 6-months and 12-months post randomisation date
RSV hospitalisation - severe
Zeitfenster: Before 6-months and 12-months post randomisation date.
Subset of RSV hospitalisations WITH any documented oxygen saturation <90% at any point during the clinical presentation in accordance with the World Health Organization case definition, AND WITH documented receipt of supplemental oxygen.
Before 6-months and 12-months post randomisation date.
Respiratory hospitalisation
Zeitfenster: Before 6-months and 12-months post randomisation date
Any admission to an inpatient service from time of randomisation to before 6 -months and before 12-months post randomisation AND receiving a primary diagnosis consistent with any acute respiratory infection, including bronchiolitis, bronchitis, pneumonia, influenza, whooping cough, or chest/respiratory infection, OR RSV hospitalisation.
Before 6-months and 12-months post randomisation date
Any hospitalisation
Zeitfenster: Before 6-months and 12-months post randomisation date
Hospital admission to an inpatient service at any time after time of randomisation to before 6-month and before 12-months post randomisation regardless of primary diagnosis.
Before 6-months and 12-months post randomisation date

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Menzies School of Health Research

Mitarbeiter

University of Sydney
Murdoch Childrens Research Institute

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

15. Mai 2026

Primärer Abschluss (Geschätzt)

31. Juli 2030

Studienabschluss (Geschätzt)

31. Dezember 2030

Studienanmeldedaten

Zuerst eingereicht

5. Mai 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

5. Mai 2026

Zuerst gepostet (Tatsächlich)

11. Mai 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

11. Mai 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

5. Mai 2026

Zuletzt verifiziert

1. Januar 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • GNT2043738

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

UNENTSCHIEDEN

Beschreibung des IPD-Plans

De-identified individual data may be shared following consultation with the Australian First Nations Reference Group for Maternal and Child Health, First Nations researchers and Cultural Advisors, and in compliance with Indigenous Data Sovereignty principles.

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Produkt, das in den USA hergestellt und aus den USA exportiert wird

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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