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临床试验/NCT05464420
NCT05464420已完成3 期

A Phase 3 Randomized, Double-blind, Active Comparator-controlled, Lot-to-Lot Consistency Study to Evaluate the Safety, Tolerability, and Immunogenicity of V116 in Adults 18 to 49 Years of Age

Merck Sharp & Dohme LLC72 个研究点 分布在 5 个国家目标入组 2,162 人开始时间: 2022年8月12日最近更新:
适应症
干预措施
相关药物

试验速览

阶段
3 期
状态
已完成
入组人数
2,162
试验地点
72
主要终点
Percentage of Participants With Solicited Systemic AEs Following Vaccination With Separate V116 Lots

研究概览

简要总结

This study will evaluate the safety, tolerability, and immunogenicity of a pneumococcal 21-valent conjugate vaccine (V116) in pneumococcal vaccine-naïve adults 18 to 49 years of age.

The primary study hypothesis is that all 3 lots of V116 are equivalent as assessed by the serotype-specific opsonophagocytic activity (OPA) Geometric Mean Titers (GMTs) at 30 days postvaccination for all serotypes included in V116.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Prevention
盲法
Triple (Participant, Investigator, Outcomes Assessor)

入排标准

年龄范围
18 Years 至 49 Years(Adult)
性别
All
接受健康志愿者

入选标准

  • Has underlying chronic conditions but assessed to be stable as per investigator
  • Has ability to complete electronic Vaccine Report Card (eVRC) data collection without assistance as per investigator

排除标准

  • Has a history of invasive pneumococcal disease (IPD) or other culture-positive pneumococcal disease ≤3 years before Visit 1 (Day 1)
  • Has a known or suspected congenital immunodeficiency, functional or anatomic asplenia, or history of autoimmune disease
  • Has a coagulation disorder contraindicating intramuscular vaccination
  • Has a recent illness with fever
  • Has a known malignancy that is progressing or has required active treatment <3 years before enrollment
  • Is expected to receive any pneumococcal vaccine during the study outside of the protocol
  • Has received systemic corticosteroids for ≥14 consecutive days and has not completed treatment ≥14 days before receipt of study vaccine
  • Is currently receiving immunosuppressive therapy, including chemotherapeutic agents or other immunotherapies/immunomodulators used to treat cancer or other conditions, and interventions associated with organ or bone marrow transplantation, or autoimmune disease
  • Has received any non-live vaccine ≤14 days before receipt of study vaccine or is scheduled to receive any non-live vaccine ≤30 days after receipt of study vaccine
  • Has received any live vaccine ≤30 days before receipt of study vaccine or is scheduled to receive any live vaccine ≤30 days after receipt of study vaccine
  • Has received a blood transfusion or blood products, including immunoglobulins ≤6 months before receipt of study vaccine or is scheduled to receive a blood transfusion or blood product ≤30 days after receipt of study vaccine

研究组 & 干预措施

V116 Lot 1

Experimental

Participants will receive a single 0.5 mL intramuscular (IM) dose of V116 Lot 1 on Day 1.

干预措施: V116 (Biological)

V116 Lot 3

Experimental

Participants will receive a single 0.5 mL IM dose of V116 Lot 3 on Day 1.

干预措施: V116 (Biological)

V116 Lot 2

Experimental

Participants will receive a single 0.5 mL IM dose of V116 Lot 2 on Day 1.

干预措施: V116 (Biological)

PPSV23

Active Comparator

Participants will receive a single 0.5 mL IM dose of PPSV23 on Day 1.

干预措施: PPSV23 (Biological)

结局指标

主要结局

Percentage of Participants With Solicited Systemic AEs Following Vaccination With Separate V116 Lots

时间窗: Up to 5 days

An AE was any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Solicited systemic AEs included headache, muscle aches/myalgia, tiredness/fatigue, and pyrexia. Per protocol, the PPSV23 treatment group was not included as it was not analyzed with the individual lots of V116.

Percentage of Participants With Solicited Systemic AEs Following Vaccination: Combined Lots of V116 or PPSV23

时间窗: Up to 5 days

An AE was any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Solicited systemic AEs included headache, muscle aches/myalgia, tiredness/fatigue, and pyrexia. Per the statistical analysis plan, no within group method of dispersion (MOD) were planned or calculated.

Percentage of Participants With Solicited Injection-site Adverse Events (AEs) Following Vaccination With Separate V116 Lots

时间窗: Up to 5 days

An AE was any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Solicited injection-site AEs included pain/tenderness, redness/erythema, and swelling. Per protocol, the PPSV23 treatment group was not included as it was not analyzed with the individual lots of V116.

Percentage of Participants With Solicited Injection-site AEs Following Vaccination: Combined Lots of V116 or PPSV23

时间窗: Up to 5 days

An AE was any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Solicited injection-site AEs included pain/tenderness, redness/erythema, and swelling. Per the statistical analysis plan, no within group method of dispersion (MOD) were planned or calculated.

Geometric Mean Titers (GMTs) of Serotype-specific Opsonophagocytic Activity (OPA) for All Serotypes in V116 Following Vaccination With Separate V116 Lots

时间窗: Day 30

Serotype-specific OPA titers for all serotypes in V116 following vaccination were determined using multiplex opsonophagocytic assay (MOPA). Serotype-specific OPA GMTs and GMT ratios with 95% confidence intervals (CIs) were calculated using a constrained longitudinal data analysis (cLDA) model. Per protocol, within-group CIs were not calculated and the PPSV23 treatment group was not included as it was not analyzed with the individual lots of V116.

Percentage of Participants With Vaccine-related Serious Adverse Events (SAEs) Following Vaccination With Separate V116 Lots

时间窗: Up to 194 days

An SAE was any untoward medical occurrence that, at any dose, resulted in death, was life threatening, required inpatient hospitalization or prolonged existing hospitalization, resulted in persistent or significant disability/incapacity, was a congenital anomaly/birth defect, or was another important medical event. SAEs that were reported to be at least possibly related by the investigator to study vaccination were reported. Per protocol, the PPSV23 treatment group was not included as it was not analyzed with the individual lots of V116.

Percentage of Participants With Vaccine-related SAEs Following Vaccination: Combined Lots of V116 or PPSV23

时间窗: Up to 194 days

An SAE was any untoward medical occurrence that, at any dose, resulted in death, was life threatening, required inpatient hospitalization or prolonged existing hospitalization, resulted in persistent or significant disability/incapacity, was a congenital anomaly/birth defect, or was another important medical event. SAEs that were reported to be at least possibly related by the investigator to study vaccination were reported. Per the statistical analysis plan, no within group MOD were planned or calculated.

次要结局

  • GMTs of Serotype-specific OPA for All Serotypes in V116 Following Vaccination: Combined Lots of V116 or PPSV23(Day 30)
  • Percentage of Participants With ≥4-fold Rise in Serotype-specific OPA for All Serotypes in V116 Following Vaccination With Separate V116 Lots(Baseline (Day 1) and Day 30)
  • GMFR in Serotype-specific IgG for All Serotypes in V116 Following Vaccination With Separate V116 Lots(Baseline (Day 1) and Day 30)
  • GMCs of Serotype-specific IgG for All Serotypes in V116 Following Vaccination: Combined Lots of V116 or PPSV23(Day 30)
  • Geometric Mean Fold Rise (GMFR) in Serotype-specific OPA for All Serotypes in V116 Following Vaccination With Separate V116 Lots(Baseline (Day 1) and Day 30)
  • Percentage of Participants With ≥4-fold Rise in Serotype-specific IgG for All Serotypes in V116 Following Vaccination With Separate V116 Lots(Baseline (Day 1) and Day 30)
  • Geometric Mean Concentrations (GMCs) of Serotype-specific Immunoglobulin G (IgG) for All Serotypes in V116 Following Vaccination With Separate V116 Lots(Day 30)
  • GMTs of Serotype-specific OPA for Cross-reactive Serotypes Following Vaccination With Separate V116 Lots(Day 30)

研究者

申办方类型
Industry
责任方
Sponsor

研究点 (72)

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