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Lot-til-lot-konsistensstudie av en 21-valent pneumokokkkonjugatvaksine hos friske spedbarn fra 2 måneders alder

1. oktober 2026 oppdatert av: Sanofi

En fase 3, randomisert, modifisert dobbeltblind, aktivkontrollert, parallellgruppe, partitil-parti-konsistens, 4-arms studie for å undersøke sikkerheten og immunogeniteten til et 4-dosers regime med en 21-valent pneumokokkkonjugatvaksine hos friske spedbarn og småbarn

This is a phase 3 randomized, modified double-blind study whose purpose is to measure whether 3 lots of the investigational pneumococcal vaccine PCV21 can help the body to develop germ-fighting agents called "antibodies" (immunogenicity) in a similar way (ie, same immune response) when they are given to infants aged from approximately 2 months (42 to 89 days) and are safe compared to a licensed 20-valent pneumococcal vaccine (20vPCV) (Prevnar 20™).

The study duration per participant will be up to approximately 17 months. The study vaccines (either PCV21 or 20vPCV) will be administered at approximately 2, 4, 6 and 12 months of age. Cohort A will include randomization to three PCV21 formulation groups or one 20vPCV comparator group (Group 1-4, approximately 896 total participants), whereas Cohort B will include randomization to three PCV21 formulation groups only (Groups 1-3, approximately 1299 total participants). Routine pediatric vaccines will be given as per local recommendations.

There will be 6 study visits: Visit (V)01, V02 separated from V01 by 60 days, V03 separated from V02 by 60 days, V04 separated from V03 by 30 days, V05 at 12 months of age, V06 separated from V05 by 30 days

Studieoversikt

Studietype

Intervensjonell

Registrering (Antatt)

2195

Fase

  • Fase 3

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

  • Navn: Trial Transparency email recommended (Toll free for US & Canada)
  • Telefonnummer: option 6 800-633-1610
  • E-post: Contact-US@sanofi.com

Studiesteder

    • Arkansas
      • Fayetteville, Arkansas, Forente stater, 72703
        • Rekruttering
        • Northwest Arkansas Pediatric Clinic- Site Number : 8400039
    • California
      • Huntington Park, California, Forente stater, 90255
        • Rekruttering
        • Matrix Clinical Research - Huntington Park- Site Number : 8400029
      • Los Angeles, California, Forente stater, 90008
        • Rekruttering
        • Community Clinical Research- Site Number : 8400030
      • Los Angeles, California, Forente stater, 90057
        • Rekruttering
        • Matrix Clinical Research - Los Angeles- Site Number : 8400028
    • Florida
      • Tampa, Florida, Forente stater, 33613
        • Rekruttering
        • PAS Research - Tampa- Site Number : 8400034
    • Kentucky
      • Bardstown, Kentucky, Forente stater, 40004
        • Rekruttering
        • Kentucky Pediatric Research- Site Number : 8400036
    • Michigan
      • Allen Park, Michigan, Forente stater, 48101
        • Rekruttering
        • Michigan Institute of Research- Site Number : 8400004
    • New York
      • Syracuse, New York, Forente stater, 13210
        • Rekruttering
        • Nappi Wellness Institute\t- Site Number : 8400037
    • South Carolina
      • Charleston, South Carolina, Forente stater, 29407
        • Rekruttering
        • Tribe Clinical Research At Neighbors Pediatrics- Site Number : 8400008
      • Simpsonville, South Carolina, Forente stater, 29681
        • Rekruttering
        • Parkside Pediatrics - Simpsonville- Site Number : 8400005
      • Spartanburg, South Carolina, Forente stater, 29301
        • Rekruttering
        • Tribe Clinical Research - Spartanburg- Site Number : 8400026
    • Texas
      • Edinburg, Texas, Forente stater, 78539
        • Rekruttering
        • PAS Research - Children's Care Clinic- Site Number : 8400035
      • Richmond, Texas, Forente stater, 77469
        • Rekruttering
        • Pediatric Center - Richmond- Site Number : 8400038
    • Utah
      • Ogden, Utah, Forente stater, 84404
        • Rekruttering
        • Rio Clinical Trials - Canyon View- Site Number : 8400031
      • San Pedro Sula, Honduras, 21104
        • Rekruttering
        • Investigational Site Number : 3400001
      • Tegucigalpa, Honduras, 11101
        • Rekruttering
        • Investigational Site Number : 3400003
      • Tegucigalpa, Honduras, 11101
        • Rekruttering
        • Investigational Site Number : 3400002
      • Guayama, Puerto Rico, 00786
        • Rekruttering
        • Investigational Site Number : 6300005
      • San Juan, Puerto Rico, 00918
        • Rekruttering
        • Investigational Site Number : 6300006
      • Trujillo Alto, Puerto Rico, 00976
        • Rekruttering
        • Investigational Site Number : 6300007
      • Bangkok, Thailand, 10400
        • Rekruttering
        • Investigational Site Number : 7640002
      • Chiang Mai, Thailand, 50180
        • Rekruttering
        • Investigational Site Number : 7640004
      • Hat Yai, Thailand, 90110
        • Rekruttering
        • Investigational Site Number : 7640003
      • Khon Kaen, Thailand, 40002
        • Rekruttering
        • Investigational Site Number : 7640001
      • Pathum Wan, Thailand, 10330
        • Rekruttering
        • Investigational Site Number : 7640005

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

1 måned til 2 måneder (Barn)

Tar imot friske frivillige

Ja

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Aged 42 to 89 days on the day of inclusion
  • Participants who are healthy as determined by medical evaluation including medical history and physical examination
  • Born at full term of pregnancy (≥ 37 weeks) and with a birth weight ≥ 2.5 kg or born after a gestation period above 28 (> 28 weeks) through 36 weeks with a birth weight ≥ 1.5 kg, and in both cases medically stable

Exclusion Criteria:

  • Known or suspected congenital or acquired immunodeficiency; or receipt of immunosuppressive therapy, such as anti-cancer chemotherapy or radiation therapy; or long-term systemic corticosteroid therapy
  • History of microbiologically confirmed Streptococcus pneumoniae infection or disease
  • Any contraindication to the routine pediatric vaccine being administered in the study
  • History of seizure or significant stable or progressive neurologic disorders such as infantile spasms, inflammatory nervous system diseases, encephalopathy, cerebral palsy
  • Known systemic hypersensitivity to any of the study interventions components, or history of a life-threatening reaction to the study interventions used in the study or to a product containing any of the same substances3
  • Laboratory-confirmed or known thrombocytopenia, as reported by the parent(s) / legally acceptable representative (LAR(s)), contraindicating intramuscular (IM) injection.
  • Bleeding disorder, or receipt of anticoagulants in the 3 weeks preceding inclusion, contraindicating IM injection.
  • Chronic illness 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.
  • Receipt of any BCG vaccine within 4 weeks preceding the first study intervention administration or planned receipt any BCG vaccine within the study period
  • Previous vaccination against Streptococcus pneumoniae
  • Previous vaccination against the following antigens: diphtheria, tetanus, pertussis, H. influenzae type b, poliovirus
  • Receipt of more than 1 dose of hepatitis B vaccine
  • Receipt of immune globulins, blood or blood-derived products since birth
  • Participation at the time of study enrollment (or in the 6 weeks preceding the first study intervention administration) or planned participation during the present study period in another clinical study investigating a vaccine, drug, medical device, or medical procedure

Note: The above information is not intended to contain all considerations relevant to a potential participation in a clinical trial.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Forebygging
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Group 1: PCV21

Participants will be administered via intramuscular injection (IM) PCV21 vaccine lot 1 for Doses 1, 2 and 3; PCV21 lot 1, or different lot if needed, for Dose 4 at 2, 4, 6 and 12 months of age co-administered with routine pediatric vaccines.

Pharmaceutical form: Suspension for injection

Route of administration: Intramuscular

Andre navn:
  • 515
Eksperimentell: Group 2: PCV21

Participants will be administered via IM injection PCV21 vaccine lot 2 for Doses 1, 2 and 3; PCV21 lot 2, or different lot if needed, for Dose 4 at 2, 4, 6 and 12 months of age co-administered with routine pediatric vaccines.

Pharmaceutical form: Suspension for injection

Route of administration: Intramuscular

Andre navn:
  • 515
Eksperimentell: Group 3: PCV21

Participants will be administered via IM injection PCV21 vaccine lot 3 for Doses 1, 2 and 3; PCV21 lot 3, or different lot if needed, for Dose 4 at 2, 4, 6 and 12 months of age co-administered with routine pediatric vaccines.

Pharmaceutical form: Suspension for injection

Route of administration: Intramuscular

Andre navn:
  • 515
Aktiv komparator: Group 4: 20vPCV (Cohort A only)

Participants will be administered via IM injection 20vPCV at 2, 4, 6 and 12 months of age co-administered with routine pediatric vaccines.

Pharmaceutical form: Suspension for injection

Route of administration: Intramuscular

Andre navn:
  • Prevnar 20™

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
For all participants: Serotype specific Immunoglobulin g (IgG) Geometric Mean Concentration (GMC)
Tidsramme: 30 days after the third dose of PCV21 vaccine

Serotype specific IgG concentrations for all serotypes included in PCV21 vaccine as measured by electrochemiluminescence assay (ECL)

30 days after the third dose of PCV21 vaccine

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
For all participants: Serotype specific IgG concentration ≥ 0.35 µg/mL
Tidsramme: 30 days after the third dose of PCV21 vaccine

Serotype specific IgG concentration ≥ 0.35 μg/mL (seroresponse) for all serotypes included in PCV21 as measured by ECL

30 days after the third dose of PCV21 vaccine
For all participants: Presence of any immediate adverse events (AEs)
Tidsramme: Within 30 minutes after each vaccine injection

Number of participants experiencing immediate AEs

Within 30 minutes after each vaccine injection
For participants in Cohort A (reactogenicity subset): Presence of solicited injection site and systemic reactions through 7 days after each vaccine injection
Tidsramme: Through 7 days after each vaccine injection

Number of participants experiencing solicited injection site and systemic reactions

Through 7 days after each vaccine injection
For all participants: Presence of unsolicited (spontaneously reported) injection site reactions and unsolicited systemic AEs
Tidsramme: Through 30 days after each vaccine injection

Number of participants experiencing unsolicited injection site reactions and unsolicited systemic AEs

Through 30 days after each vaccine injection
For all participants: Presence of serious adverse events (SAEs) and adverse events of special interest (AESIs) throughout the study
Tidsramme: Throughout the study (through 6 months post-last vaccine injection)

Number of participants experiencing SAEs and AESIs

Throughout the study (through 6 months post-last vaccine injection)

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

20. januar 2026

Primær fullføring (Antatt)

7. juni 2027

Studiet fullført (Antatt)

29. mai 2028

Datoer for studieregistrering

Først innsendt

15. januar 2026

Først innsendt som oppfylte QC-kriteriene

15. januar 2026

Først lagt ut (Faktiske)

16. januar 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

5. oktober 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

1. oktober 2026

Sist bekreftet

1. oktober 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • PSK00029
  • PSK00029 (Annen identifikator: Sanofi Identifier)
  • U1111-1308-6832 (Annen identifikator: WHO ICTRP)

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

JA

IPD-planbeskrivelse

Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Ja

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

Abonnere