跳至主要内容
临床试验/NCT04887948
NCT04887948已完成3 期

A PHASE 3, RANDOMIZED, DOUBLE BLIND TRIAL TO DESCRIBE THE SAFETY AND IMMUNOGENICITY OF 20 VALENT PNEUMOCOCCAL CONJUGATE VACCINE WHEN COADMINISTERED WITH A BOOSTER DOSE OF BNT162b2 IN ADULTS 65 YEARS OF AGE AND OLDER

Pfizer51 个研究点 分布在 1 个国家目标入组 570 人开始时间: 2021年5月20日最近更新:
适应症

试验速览

阶段
3 期
状态
已完成
发起方
Pfizer
入组人数
570
试验地点
51
主要终点
Percentage of Participants With Serious Adverse Events (SAEs) Within 6 Months After Vaccination

研究概览

简要总结

Study of the safety and immunogenicity of 20vPnC and a booster dose of BNT162b2 administered at the same visit or each vaccine given alone

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)

盲法说明

Triple

入排标准

年龄范围
65 Years 至 —(Older Adult)
性别
All
接受健康志愿者

入选标准

  • Male or female participants ≥65 years of age at the time of consent
  • Participating or participated in Study C4591001, received 2 doses of 30 µg BNT162b2 with the second dose given ≥6 months prior to the first vaccination in this study, and have not received a third dose of BNT162b2
  • Adults determined by clinical assessment, including medical history and clinical judgement, to be eligible for the study, including adults with preexisting stable disease
  • Adults who have no history of ever receiving a pneumococcal vaccine, or received a licensed pneumococcal vaccination ≥12 months prior to the first vaccination in this study

排除标准

  • History of severe adverse reaction associated with a vaccine and/or severe allergic reaction (eg, anaphylaxis)
  • Serious chronic disorder that in the investigator's opinion would make the participant inappropriate for entry into the study
  • Previous clinical or microbiological diagnosis of COVID-19
  • Previous vaccination with any investigational pneumococcal vaccine, or planned receipt of any licensed or investigational pneumococcal vaccine through study participation
  • Previous vaccination with any coronavirus vaccine, other than those received in Study C4591001
  • Other medical or psychiatric condition including recent (within the past year) or active suicidal ideation/behavior or laboratory abnormality that may increase the risk of study participation or, in the investigator's judgment, make the participant inappropriate for the study

结局指标

主要结局

Percentage of Participants With Serious Adverse Events (SAEs) Within 6 Months After Vaccination

时间窗: From day of vaccination (Day 1) up to 6 months after vaccination

A SAE was defined as any untoward medical occurrence that, at any dose, resulted in death; was life-threatening (immediate risk of death); required inpatient hospitalization or prolongation of existing hospitalization; resulted in persistent or significant disability/incapacity (substantial disruption of the ability to conduct normal life functions); resulted in congenital anomaly/birth defect; was a suspected transmission via a Pfizer product of an infectious agent, pathogenic or non-pathogenic or that was considered to be an important medical event. Percentage of participants with SAEs and the associated 2-sided 95% CI based on the Clopper and Pearson method was presented.

Percentage of Participants With Systemic Events Within 7 Days After Vaccination

时间窗: Within 7 days after vaccination

Systemic events including fever, fatigue, headache, chills, muscle pain and joint pain were recorded by participants using an e-diary. Fever was defined as temperature \>=38.0 degree Celsius (C) and categorized as \>=38.0 to 38.4 degree C, \>38.4 to 38.9 degree C, \>38.9 to 40.0 degree C and \>40.0 degree C. Fatigue, headache, chills, muscle pain and joint pain were graded as mild: did not interfere with activity, moderate: some interference with activity and severe: prevented daily routine activity. Percentage of participants with systemic events within 7 days after vaccination and the associated 2-sided 95% CI based on the Clopper and Pearson method was presented.

Percentage of Participants With Local Reactions at Each Injection Site Within 10 Days After Vaccination

时间窗: Within 10 days after vaccination

Local reactions included pain at injection site, redness and swelling and were recorded by participants in an electronic diary (e-diary). Redness and swelling were measured and recorded in measuring device units. 1 measuring device unit =0.5 centimeter (cm) and graded as mild: greater than (\>) 2.0 to 5.0 cm, moderate: \>5.0 to 10.0 cm and severe: \>10.0 cm. Pain at injection site was graded as mild: did not interfere with daily activity, moderate: interfered with daily activity and severe: prevented daily activity. Percentage of participants with local reactions at each injection site within 10 days after vaccination and the associated 2-sided 95% confidence interval (CI) based on the Clopper and Pearson method was presented.

Percentage of Participants With Adverse Events (AEs) Within 1 Month After Vaccination

时间窗: From day of vaccination (Day 1) up to 1 month after vaccination

An AE was defined as 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. Percentage of participants with AEs and the associated 2-sided 95% CI based on the Clopper and Pearson method was presented. Only AEs collected by non-systematic assessment (i.e. excluding local reactions and systemic events) were reported in this outcome measure.

次要结局

  • Geometric Mean Fold Rise (GMFR) of Full-Length S-Binding IgG Levels From Before Vaccination to 1 Month After Vaccination With BNT162b2(Before vaccination to 1 month after vaccination with BNT162b2)
  • Geometric Mean Titers (GMTs) of Pneumococcal Serotype-Specific Opsonophagocytic Activity (OPA) at 1 Month After Vaccination With 20vPnC(1 month after vaccination with 20vPnC)
  • Geometric Mean Concentration (GMC) of Full-Length S-Binding Immunoglobulin G (IgG) Levels at 1 Month After Vaccination With BNT162b2(1 month after vaccination with BNT162b2)

研究者

发起方
Pfizer
申办方类型
Industry
责任方
Sponsor

研究点 (51)

Loading locations...

相似试验

Safety and Immunogenicity Study of 20vPnC When... | 临床试验