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临床试验/NCT04863131
NCT04863131已完成1 期

Safety and Immunogenicity of Intradermal SARS-CoV-2 Vaccine EXG-5003 in Healthy Adults

Fujita Health University1 个研究点 分布在 1 个国家目标入组 40 人开始时间: 2021年4月28日最近更新:
适应症

试验速览

阶段
1 期
状态
已完成
入组人数
40
试验地点
1
主要终点
Number of Participants Reporting Local and Systemic Adverse Events

研究概览

简要总结

This is a First in Human, randomized, placebo-controlled Phase I/II trial to evaluate the safety and immunogenicity of the intradermal COVID-19 vaccine, EXG-5003 in healthy adults.

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
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

入排标准

年龄范围
20 Years 至 55 Years(Adult)
性别
All
接受健康志愿者

入选标准

  • Has provided written consent for participation
  • Age between 20 and 55
  • Has a negative nucleic acid-based test result for SARS-CoV-2
  • Has a negative antibody test result for SARS-CoV-2

排除标准

  • Signs and symptoms consistent with COVID-19 upon screening
  • History of COVID-19
  • Presence of uncontrolled cardiovascular, hematologic, respiratory, hepatic, renal, gastrointestinal, or neuropsychiatric disease
  • Presence of diabetes mellitus
  • Presence of active autoimmune disease
  • Positive for HBc, HCV or HIV antibody
  • History of anaphylactic shock
  • History of epilepsy
  • Presence of active malignancy
  • Presence of lung disease (e.g., COPD, asthma)
  • Positive urine pregnancy test within 24 hours
  • Pregnant, lactating, planned pregnancy of self (if female) or partner (if male) within 90 days after administration of the trial drug
  • If female and premenopausal, not agreeable to contraception for 90 days after second administration of the trial drug
  • If male, not agreeable to contraception for 90 days after second administration of the trial drug
  • Presence of clinically relevant electrocardiogram or vital sign abnormality at screening
  • Participated in a clinical trial of a drug or a medical device within 30 days or a biologic within 90 days
  • Received any SARS-CoV-2 vaccine
  • Received within 90 days, or is planning to receive during the study period, an immunoglobulin or blood product
  • Received within 180 days, or is planning to receive during the study period, a biologic product with immunosuppressive properties
  • Received for 14 days or more within 180 days, or is planning to receive during the study period, a corticosteroid
  • Deemed ineligible for the study as determined by the principal investigator or a co-investigator

结局指标

主要结局

Number of Participants Reporting Local and Systemic Adverse Events

时间窗: Day 1 up to Day 365 post dose

次要结局

  • GMT of neutralizing antibody(Day15, Day29, Day43, Day57, Day92, Day183, Day365)
  • Flowcytometry assay to enumerate the frequency of T cells expressing CD3, CD4, CD8, CD62L, CD45RA, IFN-γ, IL-4, CD107, TNF, IL-2, IL-6, CD154 (CD40L), Perforin, and Granzyme B.(Day15, Day29, Day43, Day57, Day92, Day183, Day365)
  • Assessment of T cells by Intracellular cytokine staining assays(Day15, Day29, Day57,)
  • Genometric Mean Titer (GMT) of serum anti-RBD IgG(Day15, Day29, Day43, Day57, Day92, Day183, Day365)

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Yohei Doi

Professor and Chair of the Department of Microbiology

Fujita Health University

研究点 (1)

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