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临床试验/NCT05585567
NCT05585567进行中(未招募)早期 1 期

A Single Center, Randomized, Open-labeled, Exploratory Clinical Study to Evaluate the Safety and Immunogenicity of Bivalent Vaccine V-01-B5 as a Booster Dose in Participants Aged 18-59 Years Vaccinated 3-dose Inactivated COVID-19 Vaccine

Livzon Pharmaceutical Group Inc.1 个研究点 分布在 1 个国家目标入组 48 人开始时间: 2022年9月16日最近更新:
适应症

试验速览

阶段
早期 1 期
状态
进行中(未招募)
入组人数
48
试验地点
1
主要终点
Serious adverse event (SAE) and adverse event of special interest (AESI)

研究概览

简要总结

It is a single center, randomized, open-labeled, exploratory clinical study to evaluate the safety and immunogenicity of Recombinant SARS-CoV-2 Fusion Protein bivalent Vaccine V-01-B5 as a second booster in adults aged 18-59 years after vaccinated with 3-dose of inactivated vaccines.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Crossover
主要目的
Prevention
盲法
None

入排标准

年龄范围
18 Years 至 59 Years(Adult)
性别
All
接受健康志愿者

入选标准

  • Adults aged 18 -59 years old at time of consent, male or female;
  • Normal body temperature;
  • Participants who have completed 3-dose regimen of inactive vaccination (CoronaVac) against SARS-CoV-2 wild type in the past 5-9 months;
  • Female participants who are not pregnant at the time of enrollment (urine pregnancy test is negative), nor during lactating; and has no birth plan and agree to take effective contraception in 7 months after enrollment; and took effective and acceptable contraceptive methods in the previous 2 weeks before the enrollment;
  • Be able and willing to complete the study during the entire study and follow-up period;
  • Participants who have the ability to understand the study process, sign the informed consent form voluntarily , and be able to comply with the requirements of the clinical study protocol.

排除标准

  • Serious chronic diseases or uncontrolled diseases;
  • Uncontrolled neurological disorders, epilepsy;
  • Received any inactivated vaccine within 1 week or received any attenuated vaccines within 4 weeks;
  • Patients with congenital or acquired immunodeficiency;
  • History of severe allergy or be allergic to any components of the test vaccines;
  • History of hereditary hemorrhagic tendency or coagulation dysfunction;
  • Patients with malignant tumors and other patients have a life expectancy less than 1 year;
  • Refuse to sign the informed consent form or inability to complete follow-ups as required by the protocol;
  • History of previous COVID-19 infection;
  • Pregnant or breastfeeding women, or females of childbearing potential who not agree to or able to take effective and acceptable contraceptive methods during the study;
  • Participants who have participated in other clinical trials within 3 months or are participating in other clinical trials;
  • Those considered by the investigator as inappropriate to participate in the study.

结局指标

主要结局

Serious adverse event (SAE) and adverse event of special interest (AESI)

时间窗: Within 12 months after vaccination

Observe the SAE and AESI after vaccination

Adverse Event (AE)

时间窗: 30 minutes after vaccination

Observe the AEs occurs at different time point after vaccination

AEs

时间窗: 0-28 days after vaccination

Observe the AEs occurs at different time point after vaccination

Neutralizing antibody geometric mean titer (GMT) of Omicron BA.5

时间窗: 28 days after vaccination

Neutralizing antibody GMT of the most prevalent SARS-CoV-2 variant (Omicron BA.5)

次要结局

  • Neutralizing antibody GMT of other SARS-CoV-2 variants(Until 12 months after vaccination)
  • Neutralizing antibody titer of other SARS-CoV-2 variants (SVNT)(Until 12 months after vaccination)
  • Anti-SARS-CoV-2 receptor-binding domain (RBD) antibody level(Until 12 months after vaccination)
  • Neutralizing antibody titer of other SARS-CoV-2 variants (MRNT)(Until 12 months after vaccination)

研究者

申办方类型
Industry
责任方
Sponsor

研究点 (1)

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