Status and phase
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About
AdimrSC-2f is a subunit protein-based vaccine produced using the baculovirus insect cells manufacturing process to prevent Coronavirus disease 2019 (COVID-19). The primary goal of this Phase I/II study is to evaluate the vaccine safety and immunogenicity of AdimrSC-2f in healthy adult individuals, as compared to placebo.
Full description
This will be a Phase I/II, placebo-controlled, randomized, double-blind within dose cohort, dose-finding study to evaluate the safety, tolerability, and immune response of AdimrSC-2f vaccine against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in healthy adults aged from 18 to 60. Two hundred forty (240) subjects will be sequentially enrolled from low dose to high dose cohort and then randomized into AdimrSC-2f vaccine group or matched placebo in a 3:1 ratio. Each enrolled subject will receive a total of 3 doses with 3-week apart by 0.5 mL intramuscular (IM) injection to the deltoid region of non-dominant arm preferably. All enrolled subjects will be follow their safety and immune response for six months.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Subjects aged 18 to 60 years old (inclusive) at the time of informed consent who are in good general health in the opinion of the investigator.
At Screening Visit, subjects with a body mass index (BMI) > 18.5 kg/m2 or ≤ 30.0 kg/m2.
Subjects without known history of SARS-CoV-2 infection or known close contact with anyone with laboratory-confirmed SARS-CoV-2 infection or COVID-19 within 2 weeks prior to the first dosing.
Subjects are willing and able to give informed consent prior to any screening procedure conducting and to comply with study procedures.
Female subjects of childbearing potential (defined as any female who has experienced menarche and who is NOT surgically sterile [ie, hysterectomy, bilateral tubal ligation, or bilateral oophorectomy] or postmenopausal [defined as amenorrhea at least 12 consecutive months or documented plasma follicle-stimulating hormone level ≥40 milli-International unit (mIU)/mL]) must agree to be heterosexually inactive from at least 21 days prior to the Screening Visit and through 6 months (defined as 24 weeks) after the last dosing OR agree to consistently use any of the following methods of contraception from at least 21 days prior to the Screening Visit and through 6 months (defined as 24 weeks) after the last dosing:
Exclusion criteria
Subjects who are investigational site staff member directly involved in the conduct of the trial and their family members, site staff members otherwise supervised by the Investigator, or subjects who are Sponsor employees directly involved in the conduct of the trial.
Any ongoing severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation or investigational product administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the subject inappropriate for entry into this study.
Subject with positive serology test results for human immunodeficiency virus (HIV), hepatitis C virus (HCV) or hepatitis B virus (HBV) at the Screening Visit (V0).
Subject with positive test result for COVID-19 antigen rapid test at the Screen Visit or V1 prior to the 1st dosing.
Subject with influenza-like illness as defined by any of the following symptoms at the Screening Visit or before randomization: fever (tympanic temperature ≥ 38°C), dry cough, headache, fatigue, respiratory sputum production (phlegm), dysgeusia, anosmia, shortness of breath, muscle and joint pain, or sore throat.
Participation in other studies involving investigational drug(s) and/or device(s) within 90 days prior to the Screening Visit and/or during study participation.
Subject who has received any investigational coronavirus vaccine or has received any medications intended to prevent COVID-19 or plan simultaneous participation in another interventional study to prevent or treat COVID-19.
Subject with any following ongoing disease or medical history in medical chart or by verbal confirmation:
Subject who has any of the following prior medication histories:
Subject with current use or history of chronic smoking (defined as ≥ 1 cigarette per day) in the medical chart or by verbal confirmation within 1 year prior to the Screening Visit.
Subject with the history of illegal substance use or alcohol abuse in the medical chart or by verbal confirmation within 2 years prior to the Screening Visit.
Female subject who is pregnant or lactating at the Screening Visit or Visit 1 or plan to be pregnant during the study period.
Subject who has donated ≥ 250 mL of blood product within 28 days prior to the Screening Visit or who plans to donate blood products during the study period.
Subject with levels of creatine phosphokinase outside of the reference range at the Screening Visit.
Subject who is not suitable to participate in this study as judged by the investigator.
Primary purpose
Allocation
Interventional model
Masking
241 participants in 4 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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