- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05520970
Safety and Immunogenicity of COVID-19 Vaccine, AdCLD-CoV19-1
A Phase IIb, Multicenter, Observer-Blinded, Randomized, Placebo-Controlled Trial to Evaluate the Immunogenicity and Safety of the AdCLD-CoV19-1 in Healthy Adults Aged 19 Years Old and Above
Study Overview
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
-
Ansan, Korea, Republic of, 15355
- Korea University Ansan Hospital
-
Seoul, Korea, Republic of, 07441
- Hallym University Kangnam Sacred Heart Hospital
-
Seoul, Korea, Republic of, 08308
- Korea University Guro Hospital
-
Seoul, Korea, Republic of, 06591
- Catholic University Seoul St.Mary's Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Healthy individual aged 19 years and above at consent.
- Individual willing to provide written informed consent to participate study voluntarily.
- Individuals who can be followed up during the study period and can comply with the study requirements.
- Individual who agrees not to donate blood during the study participation
- Females of childbearing potential with negative serum or urinary pregnancy test on the day of screening.
- Females of childbearing potential who are using an effective birth control method for at least 4 weeks before the screening and during the study participation.
Exclusion Criteria:
- Prior SARS-CoV-2 infection confirmed by a rapid antibody kit at screening.
- History of receiving any vaccine (licensed or investigational) for SARS-CoV-2.
- History of SARS-CoV-1 or MERS vaccination and treatment.
- Individual determined to be clinically significantly abnormal by the screening outcome based on medical history, physical examination, laboratory evaluations (positive serological tests for Hepatitis B surface antigen (HBsAg), Hepatitis C antibody, and Human Immunodeficiency Virus (HIV) antibody), electrocardiogram (ECG) and Chest X-ray, and the clinical judgment of the investigator.
- Individual who has received other vaccines from 4 weeks prior to the first dose of test vaccination or planned to receive any vaccine within 4 weeks of the last dose of the study vaccine.
- Febrile illness (tympanic temperature ≥ 38°C) or acute illness with any clinically significant, respiratory symptoms (e.g., sore throat, cough, sputum) within 3 days prior to the study vaccination.
- Known history or allergy to study vaccine components and/or excipients or other medications, or any other allergies deemed by the investigator to increase the risk of an adverse event if they were to participate in the trial (e.g., Guillain-Barre Syndrome).
- Individual with major congenital abnormalities, which in the opinion of investigator may affect the participant's participation in the study.
- Chronic use of systemic steroids (>10 mg/day prednisone equivalent for periods exceeding 14 days), cytotoxic or other immunosuppressive drugs within the past 6 weeks.
Any abnormality or chronic disease which in the opinion of the investigator might be detrimental to the safety of the participant and interfere with the assessment of the study objectives.
① Respiratory diseases: Asthma, Chronic Obstructive Lung Disease (COPD), active or latent tuberculosis which require medication, etc.
② Serious cardiovascular diseases: Congestive heart failure, coronary artery disease, myocardial infarction, uncontrolled hypertension, myocarditis, pericarditis, etc.
③ Neurologic diseases: Epilepsy, seizure within 3 years, migraine, stroke, encephalopathy, Guillain-Barre Syndrome, encephalomyelitis, acute transverse myelitis, etc.
④ Malignant cancer diagnosed within the past 5 years (skin basal cell and squamous cell carcinoma are excluded).
⑤ Immune function disorders, including auto-immune diseases and immunodeficiency diseases (known HIV infection or other immune function disorders)
⑥ Other hepatobiliary, renal, endocrine, urinary tract, muscular skeletal diseases which the investigator considers clinically significant
- Individual with hereditary or idiopathic angioneurotic edema
- Individuals with behavioral or cognitive impairment or psychiatric disease or neural disorders that, in the opinion of the investigator, could interfere with the participant's ability to participate in the trial.
- Individual with splenectomy and transplantation (including solid organ and bone marrow).
- Individual with past history of thrombocytopenia and/or thrombosis, myocarditis or pericarditis or any other significant cardiac condition.
- Individual with a known bleeding diathesis, or any condition that may be associated with a prolonged bleeding time resulting in contraindication for IM injections/blood extractions (Those who receive low dose aspirin (less than 100mg/day) are not excluded).
- Receipt of immunoglobulin or blood-derived products in the past 12 weeks or plan to receive during the study period.
- Body mass index (BMI) ≥ 30 kg/m2.
- As per Investigator's medical judgement, an individual could be excluded from the study in spite of meeting all inclusion/exclusion criteria mentioned above.
- Any female participant who is lactating*, pregnant or planning for pregnancy** during the course of study period.
- Individual concomitantly enrolled or scheduled to be enrolled in another trial.
- Individual who is research staff involved with the clinical study or family/household members of research staff.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: 2 doses of AdCLD-CoV19-1
Group 1 will receive 2 doses of AdCLD-CoV19-1
|
All 200 participants will receive 2 doses of investigational product by 2 months interval via intramuscular injection in the deltoid region
|
Experimental: 1 dose of AdCLD-CoV19-1
Group 2 will receive 1 doses of AdCLD-CoV19-1 followed by 1 dose of placebo
|
All 200 participants will receive 2 doses of investigational product by 2 months interval via intramuscular injection in the deltoid region
|
Placebo Comparator: Placebo
Group 2 will receive 1 doses of placebo followed by 1 dose of AdCLD-CoV19-1 after an interim analysis
|
All 200 participants will receive 2 doses of investigational product by 2 months interval via intramuscular injection in the deltoid region
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of immediate adverse events (AE)
Time Frame: Within 30 minutes post each dose injection
|
• Proportion of immediate AE within 30 minutes post each dose injection
|
Within 30 minutes post each dose injection
|
Proportion of solicited local and systemic AE
Time Frame: Within 7 days (Days 0 - 6) post each dose injection
|
• Proportion of solicited local and systemic AEs within 7 days post each dose injection.
Local AEs at the site of injection: Pain, tenderness, erythema/redness, swelling, induration, pruritis.
Systemic AEs: Fever, fatigue/general weakness, chill, headache, myalgia, arthralgia, diarrhea, nausea/vomiting, abdominal pain, mucocutaneous reaction/rash, urticaria, dizziness, cough, dyspnea.
|
Within 7 days (Days 0 - 6) post each dose injection
|
Proportion of unsolicited AE
Time Frame: Within 28 days post each dose injection
|
• Proportion of unsolicited AEs within 28 days post each dose injection.
Unsolicited AEs are all other adverse events (those that do not fall under the categories of solicited AEs).
|
Within 28 days post each dose injection
|
Proportion of SAE
Time Frame: Throughout the study end, an average of 14 months (12 months post second dose injection)
|
• Proportion of any SAE from the vaccination throughout the entire study.
An AE or suspected adverse reaction is considered "serious" if at any dose (including overdose): Results in death, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect or is an important medical event that may jeopardize the participant or may require intervention to prevent one of the other outcomes listed above.
|
Throughout the study end, an average of 14 months (12 months post second dose injection)
|
Proportion of Adverse Event Of Special Interest (AESI)
Time Frame: Throughout the study duration, an average of 14 months (12 months post second dose injection)
|
• Proportion of any AESI from the vaccination throughout the entire study.
AESI are categorized into 1) AESIs included because they are seen with COVID-19 Disease, 2) AESI included because they have a proven or theoretical association with immunization in general, 3) AESI included because they have a proven or theoretical association with specific vaccine platform(s).
|
Throughout the study duration, an average of 14 months (12 months post second dose injection)
|
Proportion of Medically-Attended Adverse Events (MAAE)
Time Frame: Throughout the study duration, an average of 14 months (12 months post second dose injection)
|
• Proportion of any MAAE from the vaccination throughout the entire study.
Medically-attended AEs are AEs with medically-attended visits including hospital, emergency room, or other visits to or from medical personnel for any reason.
Routine study visits will not be considered medically attended visits.
|
Throughout the study duration, an average of 14 months (12 months post second dose injection)
|
Proportion of clinically significant changes in clinical safety laboratory parameters
Time Frame: At 1, 2 and 4 weeks post each dose injection
|
Proportion of clinically significant changes in clinical safety laboratory parameters at 1, 2 and 4 weeks post each dose injection
|
At 1, 2 and 4 weeks post each dose injection
|
Geometric Mean Titer of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 2 weeks post second dose injection (Neutralizing antibody)
Time Frame: At 2 weeks post second dose injection
|
Geometric Mean Titer (GMT) of neutralizing antibody to the SARS-CoV-2 measured by wild-type virus neutralization assay from baseline to 2 weeks post second dose injection, induced by 2 doses of AdCLD-CoV19-1 at 2-month interval and by 1 dose of AdCLD-CoV19-1 followed by 1 dose of placebo at 2-month interval
|
At 2 weeks post second dose injection
|
Geometric Mean Fold Rise of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 2 weeks post second dose injection (Neutralizing antibody)
Time Frame: At 2 weeks post second dose injection
|
Geometric Mean Fold Rise (GMFR) of neutralizing antibody to the SARS-CoV-2 measured by wild-type virus neutralization assay from baseline to 2 weeks post second dose injection, induced by 2 doses of AdCLD-CoV19-1 at 2-month interval and by 1 dose of AdCLD-CoV19-1 followed by 1 dose of placebo at 2-month interval
|
At 2 weeks post second dose injection
|
Proportion of participants achieving seroresponse of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 2 weeks post second dose injection (Neutralizing antibody)
Time Frame: At 2 weeks post second dose injection
|
Proportion of participants achieving seroresponse (SR defined as at least 4-fold increase from baseline) of wild-type virus neutralizing antibody titer from baseline to 2 weeks post second dose injection, induced by 2 doses of AdCLD-CoV19-1 at 2-month interval and by 1 dose of AdCLD-CoV19-1 followed by 1 dose of placebo at 2-month interval
|
At 2 weeks post second dose injection
|
GMT of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 2 weeks post second dose injection (ELISA)
Time Frame: At 2 weeks post second dose injection
|
GMT of SARS-CoV-2 Spike-binding ELISA IgG antibody from baseline to 2 weeks post second dose injection, induced by 2 doses of AdCLD-CoV19-1 at 2-month interval and by 1 dose of AdCLD-CoV19-1 followed by 1 dose of placebo at 2-month interval
|
At 2 weeks post second dose injection
|
GMFR of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 2 weeks post second dose injection (ELISA)
Time Frame: At 2 weeks post second dose injection
|
GMFR of SARS-CoV-2 Spike-binding ELISA IgG antibody from baseline to 2 weeks post second dose injection, induced by 2 doses of AdCLD-CoV19-1 at 2-month interval and by 1 dose of AdCLD-CoV19-1 followed by 1 dose of placebo at 2-month interval
|
At 2 weeks post second dose injection
|
Proportion of participants achieving seroresponse of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 2 weeks post second dose injection (ELISA)
Time Frame: At 2 weeks post second dose injection
|
Proportion of participants achieving seroresponse (SR defined as at least 4-fold increase from baseline) of SARS-CoV-2 Spike-binding ELISA IgG antibody from baseline to 2 weeks post second dose injection, induced by 2 doses of AdCLD-CoV19-1 at 2-month interval and by 1 dose of AdCLD-CoV19-1 followed by 1 dose of placebo at 2-month interval
|
At 2 weeks post second dose injection
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
GMT of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection (Neutralizing antibody)
Time Frame: At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
GMT of neutralizing antibody to the SARS-CoV-2 measured by wild-type virus neutralization assay from baseline to and 1, 3, and 6 months post first dose injection, and at 1, 3, 6 and 12 months post second dose injection, induced by 1 and 2 doses of AdCLD-CoV19-1 respectively
|
At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
GMFR of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection (Neutralizing antibody)
Time Frame: At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
GMFR of neutralizing antibody to the SARS-CoV-2 measured by wild-type virus neutralization assay from baseline to and 1, 3, and 6 months post first dose injection, and at 1, 3, 6 and 12 months post second dose injection, induced by 1 and 2 doses of AdCLD-CoV19-1 respectively
|
At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
Proportion of participants achieving seroresponse of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection (Neutralizing antibody)
Time Frame: At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
Proportion of participants achieving seroresponse (SR defined as at least 4-fold increase from baseline) of wild-type virus neutralizing antibody titer from baseline to and 1, 3, and 6 months post first dose injection, and at 1, 3, 6 and 12 months post second dose injection, induced by 1 and 2 doses of AdCLD-CoV19-1 respectively
|
At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
GMT of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection (ELISA)
Time Frame: At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
GMT of SARS-CoV-2 Spike-binding ELISA IgG antibody from baseline to 2 weeks, and 1, 3, and 6 months post first dose injection, and at 1, 3, 6 and 12 months post second dose injection induced by 1 and 2 doses of AdCLD-CoV19-1, respectively
|
At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
GMFR of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection (ELISA)
Time Frame: At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
GMFR of SARS-CoV-2 Spike-binding ELISA IgG antibody from baseline to 2 weeks, and 1, 3, and 6 months post first dose injection, and at 1, 3, 6 and 12 months post second dose injection induced by 1 and 2 doses of AdCLD-CoV19-1, respectively
|
At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
Proportion of participants achieving seroresponse of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection (ELISA)
Time Frame: At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
Proportion of participants achieving seroresponse (SR defined as at least 4-fold increase from baseline) of SARS-CoV-2 Spike-binding ELISA IgG antibody from baseline to 2 weeks, and 1, 3, and 6 months post first dose injection, and at 1, 3, 6 and 12 months post second dose injection induced by 1 and 2 doses of AdCLD-CoV19-1, respectively
|
At 1, 3, 6 months post first dose injection and at 1, 3, 6 and 12 months post second dose injection
|
Cell Mediated Immunity (CMI) of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 2 weeks, 6 months post first dose injection and 2 weeks, 6 and 12 months post second dose injection (Proportion of responders by Interferon-γ (IFN-γ) ELISpot)
Time Frame: At 2 weeks, 6 months post first dose injection and 2 weeks, 6 and 12 months post second dose injection
|
Proportion of responders as measured by Interferon-γ (IFN-γ) ELISpot from baseline to 2 weeks, 6 months post first dose injection and 2 weeks, 6 and 12 months post second dose injection induced by 1 and 2 doses of AdCLD-CoV19-1, respectively
|
At 2 weeks, 6 months post first dose injection and 2 weeks, 6 and 12 months post second dose injection
|
Cell Mediated Immunity (CMI) of 1 and 2 doses of AdCLD-CoV19-1 from baseline to 2 weeks, 6 months post first dose injection and 2 weeks, 6 and 12 months post second dose injection (Median spot forming units by Interferon-γ (IFN-γ) ELISpot)
Time Frame: At 2 weeks, 6 months post first dose injection and 2 weeks, 6 and 12 months post second dose injection
|
Median spot forming units as measured by Interferon-γ (IFN-γ) ELISpot from baseline to 2 weeks, 6 months post first dose injection and 2 weeks, 6 and 12 months post second dose injection induced by 1 and 2 doses of AdCLD-CoV19-1, respectively
|
At 2 weeks, 6 months post first dose injection and 2 weeks, 6 and 12 months post second dose injection
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of virologically-confirmed COVID-19 cases and clinical features in AdCLD-CoV19-1 recipients during the study period
Time Frame: Throughout the study duration, an average of 14 months
|
|
Throughout the study duration, an average of 14 months
|
GMT against the circulating strains, including the variants of concern from baseline to 2 weeks post second dose injection induced by AdCLD-CoV19-1 (Neutralizing antibody)
Time Frame: At 2 weeks post second dose injection
|
GMT of neutralizing antibody to the circulating strains measured by wild-type virus neutralization assay from baseline to 2 weeks post second dose injection induced by AdCLD-CoV19-1
|
At 2 weeks post second dose injection
|
GMFR against the circulating strains, including the variants of concern from baseline to 2 weeks post second dose injection induced by AdCLD-CoV19-1 (Neutralizing antibody)
Time Frame: At 2 weeks post second dose injection
|
GMFR of neutralizing antibody to the circulating strains measured by wild-type virus neutralization assay from baseline to 2 weeks post second dose injection induced by AdCLD-CoV19-1
|
At 2 weeks post second dose injection
|
Proportion of participants achieving seroresponse against the circulating strains, including the variants of concern from baseline to 2 weeks post second dose injection induced by AdCLD-CoV19-1 (Neutralizing antibody)
Time Frame: At 2 weeks post second dose injection
|
Proportion of participants achieving seroresponse (SR defined as at least 4-fold increase from baseline) of wild-type virus neutralizing antibody titer from baseline to 2 weeks post second dose injection induced by AdCLD-CoV19-1
|
At 2 weeks post second dose injection
|
Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IVI-AdCLD-CoV19-1
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
Clinical Trials on COVID-19
-
University of Roma La SapienzaQueen Mary University of London; Università degli studi di Roma Foro Italico; Bios Prevention SrlCompletedPost Acute Sequelae of COVID-19 | Post COVID-19 Condition | Long-COVID | Chronic COVID-19 SyndromeItaly
-
Yang I. PachankisActive, not recruitingCOVID-19 Respiratory Infection | COVID-19 Stress Syndrome | COVID-19 Vaccine Adverse Reaction | COVID-19-Associated Thromboembolism | COVID-19 Post-Intensive Care Syndrome | COVID-19-Associated StrokeChina
-
Massachusetts General HospitalRecruitingPost Acute COVID-19 Syndrome | Long COVID | Post Acute Sequelae of COVID-19 | Long COVID-19United States
-
Indonesia UniversityRecruitingPost-COVID-19 Syndrome | Long COVID | Post COVID-19 Condition | Post-COVID Syndrome | Long COVID-19Indonesia
-
Erasmus Medical CenterDa Vinci Clinic; HGC RijswijkNot yet recruitingPost-COVID-19 Syndrome | Long COVID | Long Covid19 | Post COVID-19 Condition | Post-COVID Syndrome | Post COVID-19 Condition, Unspecified | Post-COVID ConditionNetherlands
-
Dr. Soetomo General HospitalIndonesia-MoH; Universitas Airlangga; Biotis Pharmaceuticals, IndonesiaRecruitingCOVID-19 Pandemic | COVID-19 Vaccines | COVID-19 Virus DiseaseIndonesia
-
University of Witten/HerdeckeInstitut für Rehabilitationsforschung NorderneyCompletedPost-COVID-19 Syndrome | Long-COVID-19 SyndromeGermany
-
Jonathann Kuo, MDActive, not recruitingSARS-CoV2 Infection | Post-COVID-19 Syndrome | Dysautonomia | Post Acute COVID-19 Syndrome | Long COVID | Long Covid19 | COVID-19 Recurrent | Post-Acute COVID-19 | Post-Acute COVID-19 Infection | Post Acute Sequelae of COVID-19 | Dysautonomia Like Disorder | Dysautonomia Orthostatic Hypotension Syndrome | Post... and other conditionsUnited States
-
University Hospital, Ioannina1st Division of Internal Medicine, University Hospital of IoanninaRecruitingCOVID-19 Pneumonia | COVID-19 Respiratory Infection | COVID-19 Pandemic | COVID-19 Acute Respiratory Distress Syndrome | COVID-19-Associated Pneumonia | COVID 19 Associated Coagulopathy | COVID-19 (Coronavirus Disease 2019) | COVID-19-Associated ThromboembolismGreece
Clinical Trials on AdCLD-CoV19-1
-
Cellid Co., Ltd.Active, not recruitingCOVID-19 | VaccinesKorea, Republic of
-
Cellid Co., Ltd.CompletedCovid19Korea, Republic of
-
Cellid Co., Ltd.CompletedCOVID-19Korea, Republic of
-
Cellid Co., Ltd.Not yet recruitingCOVID-19 | VaccinesKorea, Republic of
-
Orasis Pharmaceuticals Ltd.Completed
-
University of Sao Paulo General HospitalCompleted
-
University of ThessalyCompleted
-
Chulalongkorn UniversityCompletedAllergic RhinitisThailand
-
University of Sao Paulo General HospitalCompletedOveractive Bladder SyndromeBrazil
-
Montreal Heart InstituteInstitut de Recherches Cliniques de Montreal; Royal Victoria Hospital, Canada; Queen Elizabeth II Health Sciences Centre and other collaboratorsCompletedHypertriglyceridemiaCanada