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De klinische studie NCT05450705 voor Papillomavirusinfecties is actief, niet rekruterend. Bekijk de kaartweergave van de Klinische Studies Radar en de AI-ontdekkingstools voor alle details. Of stel hier een vraag. | ||
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MerckV503 in Chinese Girls 9-14 Years Old Versus Chinese Women 20-26 Years Old (V503-071) Fase 3 1.500 Vaccin
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De klinische studie NCT05450705 onderzoekt preventie bij Papillomavirusinfecties. Deze Fase 3 interventioneel-studie heeft de status actief, niet rekruterend. Het doel is om 1.500 deelnemers te includeren vanaf 22 juli 2022. De studie wordt geleid door Merck en de voltooiing is gepland op 3 augustus 2029. Laatste update op ClinicalTrials.gov: 2 september 2022.
Beknopte samenvatting
This study aims to demonstrate that a 2-dose regimen of the 9-Valent Human Papillomavirus (9vHPV) vaccine (GARDASIL™9, V503) induces non-inferior competitive Luminex immunoassay (cLIA) geometric mean titers (GMTs) to each of the 9vHPV vaccine types in Chinese girls 9 through 14 years of age compared to a 3-dose regimen in Chinese women 20 through 26 years of age. The primary hypothesis is that a 2-dose regimen has a ...Toon meer
Officiële titel
A Phase 3 Open-Label Immunogenicity and Safety Study of 2-Dose Regimens of a 9vHPV Vaccine (V503) in Chinese Girls 9 Through 14 Years of Age With a Comparison to 3-Dose Regimen of V503 in Chinese Women 20 Through 26 Years of Age
Aandoeningen
PapillomavirusinfectiesAndere studie-ID's
- V503-071
- V503-071 (Overige identificatiecode) (Merck)
NCT-ID
Startdatum (Werkelijk)
2022-07-22
Laatste update geplaatst
2022-09-02
Verwachte einddatum
2029-08-03
Inschrijving (Geschat)
1.500
Studietype
Interventioneel
FASE
Fase 3
Status
Actief, niet rekruterend
Primaire doel
Preventie
Toewijzing
Gerandomiseerd
Interventiemodel
Parallel
Blindering
Geen (Open-label)
Armen / Interventies
| Deelnemersgroep/Studiearm | Interventie/Behandeling |
|---|---|
Experimenteel9 to 14 Years Old: Day 1 and Month 6 Chinese females 9 to 14 years old will receive a 0.5 mL intramuscular (IM) injection of 9-valent HPV (9vHPV) vaccine on Day 1 and Month 6 | 9vHPV vaccine A 9-valent HPV vaccine (Types 6, 11, 16, 18, 31, 33, 45, 52, and 58) will be administered as a 0.5 mL IM injection. |
Experimenteel9 to 14 Years Old: Day 1 and Month 12 Chinese females 9 to 14 years old will receive a 0.5 mL iIM injection of 9-valent HPV (9vHPV) vaccine on Day 1 and Month 12 | 9vHPV vaccine A 9-valent HPV vaccine (Types 6, 11, 16, 18, 31, 33, 45, 52, and 58) will be administered as a 0.5 mL IM injection. |
Experimenteel20 to 26 Years Old: Day 1, Month 2 and Month 6 Chinese females 20 to 26 years old will receive a 0.5 mL IM injection of 9-valent HPV (9vHPV) vaccine on Day 1, Month 2 and Month 6 | 9vHPV vaccine A 9-valent HPV vaccine (Types 6, 11, 16, 18, 31, 33, 45, 52, and 58) will be administered as a 0.5 mL IM injection. |
Primaire uitkomst
Secundaire uitkomst
| Uitkomstmaat | Beschrijving van de uitkomstmaat | Tijdsbestek |
|---|---|---|
Stage I: Competitive Luminex immunoassay (cLIA) Geometric Mean Titers (GMTs) to 9 vaccine types of 9vHPV vaccine | cLIA GMT to each of 9 vaccine types of 9vHPV vaccine. The GMT for each HPV type will be reported in mMU/mL. | One month after last dose (Up to Month 13) |
Stage II: cLIA GMTs to 9 vaccine types of 9vHPV vaccine in girls 9 through 14 years of age | cLIA GMT to each of 9 vaccine types of 9vHPV vaccine in girls 9 through 14 years of age. The GMT for each HPV type will be reported in mMU/mL. | Up to Month 84 |
Stage II: cLIA seropositivity percentages to 9 vaccine types of 9vHPV vaccine in girls 9 through 14 years of age | cLIA seropositivity to each of 9 vaccine types of 9vHPV vaccine in girls 9 through 14 years of age. The percentage of participants who are seropositive for each HPV type will be summarized. | Up to Month 84 |
| Uitkomstmaat | Beschrijving van de uitkomstmaat | Tijdsbestek |
|---|---|---|
Stage I: cLIA seroconversion percentages to 9 vaccine types of 9vHPV vaccine | cLIA seroconversion to each of 9 vaccine types of 9vHPV vaccine. The percentage of participants who are seropositive for each HPV type will be summarized. | One month after last dose (Up to Month 13) |
Stage I: Immunoglobulin G Luminex immunoassay (IgG LIA) GMTs to 9 vaccine types of 9vHPV vaccine at one month post last dose | IgG LIA GMT to each of 9 vaccine types of 9vHPV vaccine at one month post last dose. The GMT for each HPV type will be reported in mMU/mL. | One month after last dose (Up to Month 13) |
Stage I: IgG LIA seroconversion percentages to 9 vaccine types of 9vHPV vaccine | IgG LIA seroconversion to each of 9 vaccine types of 9vHPV vaccine. The percentage of participants who are seropositive for each HPV type will be summarized. | One month after last dose (Up to Month 13) |
Stage I: Percentage of participants experiencing solicited injection-site adverse events (AEs) | An AE is any untoward medical occurrence in a participant which does not necessarily have a causal relationship with study vaccine. An AE can therefore be any unfavorable and unintended sign, symptom, or disease temporally associated with the use of study vaccine or a protocol-specified procedure, whether or not considered related to the study vaccine or protocol-specified procedure. Solicited injection-site AEs such as erythema, swelling, pain, and induration at the injection site will be recorded. | Day 1 through Day 8 following any study vaccination |
Stage I: Percentage of participants experiencing solicited systemic AEs | An AE is any untoward medical occurrence in a participant which does not necessarily have a causal relationship with study vaccine. An AE can therefore be any unfavorable and unintended sign, symptom, or disease temporally associated with the use of study vaccine or a protocol-specified procedure, whether or not considered related to the study vaccine or protocol-specified procedure. Systemic AEs are those not categorized as injection-site AEs. | Day 1 through Day 8 following any study vaccination |
Stage I: Percentage of participants experiencing serious AEs (SAEs) Up to Month 13 | A SAE is an AE that results in death, is life threatening, results in a persistent or significant disability or incapacity, results in or prolongs an existing hospitalization, is a congenital anomaly or birth defect, or is another important medical event. | Up to Month 13 |
Stage II: Percentage of participants experiencing SAEs Up to Month 84 | A SAE is an AE that results in death, is life threatening, results in a persistent or significant disability or incapacity, results in or prolongs an existing hospitalization, is a congenital anomaly or birth defect, or is another important medical event. | Month 18 up to Month 84 |
Stage II: IgG LIA GMTs to 9 vaccine types of 9vHPV vaccine in girls 9 through 14 years of age | IgG LIA GMT to each of 9 vaccine types of 9vHPV vaccine in girls 9 through 14 years of age. The GMT for each HPV type will be reported in mMU/mL. | Up to Month 84 |
Stage II: IgG LIA seropositivity percentages to 9 vaccine types of 9vHPV vaccine in girls 9 through 14 years of age | IgG LIA seropositivity to each of 9 vaccine types of 9vHPV vaccine in girls 9 through 14 years of age. The percentage of participants who are seropositive for each HPV type will be summarized | Up to Month 84 |
Deelname-assistent
Geschiktheidscriteria
Leeftijd van deelnemers
Kind, Volwassene
Minimumleeftijd
9 Years
Geslachten die in aanmerking komen voor de studie
Vrouw
Accepteert gezonde vrijwilligers
Ja
INCLUSION CRITERIA:
- Is a healthy Chinese female.
- Is not a woman of childbearing potential (WOCBP); or is a WOCBP who has not had sex with males or has had sex with males and used effective contraception during Day 1 through 1 month post last dose.
Exclusion Criteria:
- Has a history of known prior vaccination with an HPV vaccine.
- Has a history of severe allergic reaction that required medical intervention.
- Has a known thrombocytopenia or coagulation disorder that would contraindicate IM injections.
- Has a history of abnormal Pap test or external genital wart, vulvar intraepithelial neoplasia, vaginal intraepithelial neoplasia, anal intraepithelial neoplasia, vulvar cancer, vaginal cancer, or anal cancer.
- Has a history of a positive test for HPV.
- Has received immune globulin or blood-derived products in the past 6 months or plans to receive any before one month post last dose.
- Has a history of splenectomy, is currently immunocompromised, or has been diagnosed with immunodeficiency, human immunodeficiency virus, lymphoma, leukemia, systemic lupus erythematosus, rheumatoid arthritis, juvenile rheumatoid arthritis, inflammatory bowel disease, or other autoimmune condition.
- Has received immunosuppressive therapy in the past year, excluding inhaled, nasal, or topical corticosteroids and certain regimens of systemic corticosteroids.
MerckGeen contactgegevens beschikbaar
2 Studielocaties in 1 landen
Zhejiang
Jiangshan Center for Disease Control and Prevention ( Site 0001), Quzhou, Zhejiang, 324100, China
Yuhuan Center for Disease Control and Prevention ( Site 0002), Taizhou, Zhejiang, 317600, China