Phase I/II Clinical Trial of Recombinant Novel Coronavirus (COVID-19) Vaccine (Adenovirus Type 5 Vector) for Inhalation
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ClinicalTrials.gov Identifier: NCT04840992 |
Recruitment Status :
Active, not recruiting
First Posted : April 12, 2021
Last Update Posted : October 31, 2022
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
COVID-19 | Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) Biological: Placebo for Inhalation Biological: Placebo | Phase 1 Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 840 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Prevention |
Official Title: | A Randomized, Double-blind, Placebo-Controlled Phase I/II Clinical Trial to Evaluate the Safety and Immunogenicity of Ad5-nCoV for Inhalation in Adults 18 Years of Age and Older |
Actual Study Start Date : | April 20, 2021 |
Estimated Primary Completion Date : | November 30, 2022 |
Estimated Study Completion Date : | December 30, 2022 |

Arm | Intervention/treatment |
---|---|
Experimental: A1a Phase I low 2 doses
Ad5-nCoV containing 0.5E10 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation
Aerogen Solo |
Placebo Comparator: A1b Phase I placebo low 2 doses
Placebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Placebo for Inhalation
Aerogen Solo |
Experimental: A2a Phase I medium 2 doses
Ad5-nCoV containing 1E10 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation
Aerogen Solo |
Placebo Comparator: A2b Phase I placebo medium 2 doses
Placebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Placebo for Inhalation
Aerogen Solo |
Experimental: A3a Phase I high 2 doses
Ad5-nCoV containing 2E10 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation
Aerogen Solo |
Placebo Comparator: A3b Phase I placebo high 2 doses
Placebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Placebo for Inhalation
Aerogen Solo |
Experimental: A4a Phase I combine 2 doses
1 dose Intramuscular Injection, Ad5-nCoV containing 5E10 vp, 1 dose Aerogen Solo, Ad5-nCoV containing 2E10 vp, 56 days apart
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation
Aerogen Solo Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) Intramuscular administration |
Placebo Comparator: A4b Phase I placebo combine 2 doses
6 subjects, Placebo containing 0 vp, 1 dose Intramuscular Injection, 1 dose Aerogen Solo, 56 days apart
|
Biological: Placebo for Inhalation
Aerogen Solo Biological: Placebo Intramuscular administration |
Experimental: A5a Phase I single dose
Ad5-nCoV containing 1E10 vp, 1 dose Aerogen Solo
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation
Aerogen Solo |
Placebo Comparator: A5b Phase I placebo single dose
6 subjects, Placebo containing 0 vp, 1 dose Aerogen Solo
|
Biological: Placebo for Inhalation
Aerogen Solo |
Experimental: B1a Phase II low 2 doses
Ad5-nCoV containing 0.5E10 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation
Aerogen Solo |
Placebo Comparator: B1b Phase II placebo low 2 doses (18-59)
Placebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Placebo for Inhalation
Aerogen Solo |
Experimental: B2a Phase II medium 2 doses
Ad5-nCoV containing 1E10 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation
Aerogen Solo |
Placebo Comparator: B2b Phase II placebo medium 2 doses
Placebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Placebo for Inhalation
Aerogen Solo |
Experimental: B3a Phase II high 2 doses
Ad5-nCoV containing 2E10 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation
Aerogen Solo |
Placebo Comparator: B3b Phase II placebo high 2 doses
Placebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
|
Biological: Placebo for Inhalation
Aerogen Solo |
Experimental: B4a Phase II combine 2 doses
1 dose Intramuscular Injection, Ad5-nCoV containing 5E10 vp, 1 dose Aerogen Solo, Ad5-nCoV containing 2E10 vp, 56 days apart
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation
Aerogen Solo Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) Intramuscular administration |
Placebo Comparator: B4b Phase II placebo combine 2 doses
Placebo containing 0 vp, 1 dose Intramuscular Injection, 1 dose Aerogen Solo, 56 days apart
|
Biological: Placebo for Inhalation
Aerogen Solo Biological: Placebo Intramuscular administration |
Experimental: B5a Phase II intramuscular single dose
Ad5-nCoV containing 5E10 vp, 1 dose Intramuscular Injection
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector)
Intramuscular administration |
Placebo Comparator: B5b Phase II placebo intramuscular single dose
placebo containing 0 vp, 1 dose Intramuscular Injection
|
Biological: Placebo
Intramuscular administration |
Experimental: B6a Phase II Aerogen Solo single dose
Ad5-nCoV containing 1E10 vp, 1 dose Aerogen Solo
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation
Aerogen Solo |
Placebo Comparator: B6b Phase II placebo Aerogen Solo single dose
placebo containing 0 vp, 1 dose Aerogen Solo
|
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector)
Intramuscular administration |
- Incidence of Adverse Reactions (AR) [ Time Frame: 0-14 days after each vaccination ]The occurrence of Adverse Reactions (AR) in all groups
- Incidence of Serious Adverse Events (SAE) [ Time Frame: Within the first and final vaccination up until 12 months after the final vaccination ]The occurrence of Serious Adverse Events (SAE) in all groups
- Incidence of Adverse Events/Reactions (AE/AR) [ Time Frame: Within 0-7 days after each vaccination ]The occurence of Adverse Events/Reactions (AE/AR) in all groups
- Incidence of Adverse Events/Reactions (AE/AR) [ Time Frame: Within 0-28 days after each vaccination ]The occurence of Adverse Events/Reactions (AE/AR) in all groups
- Changes in laboratory test indicators [ Time Frame: 4 days after each vaccination ]Changes in laboratory test indicators (including white blood cell count, lymphocyte count, etc), and respiratory rate in all groups
- GMT of Covid-19 S protein RBD specific antibody [ Time Frame: Before the first dose, 28 days after first dose, before the second dose, 14 days after the second dose ]GMT of S protein RBD specific antibody by ELISA
- Seroconversion rate of Covid-19 S protein RBD specific antibody [ Time Frame: Before the first dose, 28 days after first dose, before the second dose, 14 days after the second dose ]Seroconversion rate of S protein RBD specific antibody by ELISA
- GMI of Covid-19 S protein RBD specific antibody [ Time Frame: Before the first dose, 28 days after first dose, before the second dose, 14 days after the second dose ]GMI of S protein RBD specific antibody by ELISA
- GMT of SARS-CoV-2 neutralizing antibody [ Time Frame: Before the first dose, 28 days after the first dose, before the second dose, 14 days after the second dose ]GMT of SARS-CoV-2 neutralizing antibody against pseudovirus
- Seroconversion rate of SARS-CoV-2 neutralizing antibody [ Time Frame: Before the first dose, 28 days after the first dose, before the second dose, 14 days after the second dose ]Seroconversion rate of SARS-CoV-2 neutralizing antibody against pseudovirus
- GMI of SARS-CoV-2 neutralizing antibody [ Time Frame: Before the first dose, 28 days after the first dose, before the second dose, 14 days after the second dose ]GMI of SARS-CoV-2 neutralizing antibody against pseudovirus
- GMT of SARS-CoV-2 neutralizing antibody [ Time Frame: 28 days after the final vaccination ]
- Seroconversion rate of SARS-CoV-2 neutralizing antibody [ Time Frame: 28 days after the final vaccination ]
- Cellular immune response [ Time Frame: Before the first dose, 14 days after the first dose ]The positive rate of IFN-γ stimulated by S protein ELISpot
- Cellular immune response [ Time Frame: Before the first dose, 14 days after the first dose ]The positive rate of TNF-α stimulated by S protein ELISpot
- Cellular immune response [ Time Frame: Before the first dose, 14 days after the first dose ]The positive rate of IL-5 stimulated by S protein ELISpot
- Cellular immune response [ Time Frame: Before the first dose, 14 days after the first dose ]The positive rate of IL-4 stimulated by S protein ELISpot
- Cellular immune response [ Time Frame: Before the first dose, 14 days after the first dose ]The positive rate of IL-13 stimulated by S protein ELISpot

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Healthy adults 18 years of age and above at the time of enrollment;
- Able to provide consent to participate in and having signed an Informed Consent Form (ICF);
- Able and willing to complete all the scheduled study procedures during the whole study follow-up period;
- HIV negative;
- No nasal or oral diseases, such as acute rhinitis (sinusitis), allergic rhinitis, oral ulcers, sore throat, etc;
- IgG ang IgM negative for Covid-19;
- Axillary temperature ≤37.0℃;
- No contact history of Covid-19.
Exclusion Criteria:
- Serious cardiovascular diseases, such as arrhythmia, conduction block, myocardial infarction, severe hypertension and uncontrollable medications (on-site measurement: systolic blood pressure ≥160mmHg, diastolic blood pressure ≥100mmHg), etc;
- Abnormal laboratory test indicators which investigator decide to be clinically significant; (Only Phase I volunteers)
- Respiratory rate ≥17 per minute;
- Abnormal lung function such as asthma, chronic obstructive pulmonary disease, pulmonary fibrosis, etc;
- Prior Covid-19 vaccinations;
- Symptoms of upper respiratory track infections;
- Medical or family history of convulsions, epilepsy, encephalopathy, and psychosis disorders;
- History of allergies to any ingredient of Ad5-nCoV, history of serious allergic reactions to any vaccine, history of allergies and immune diseases;
- Acute febrile diseases and infectious diseases;
- Medical history of SARS (SARS-CoV-1);
- Severe chronic diseases or with advanced stage conditions which cannot be controlled smoothly, such as diabetes, thyroid disease, etc;
- Congenital or acquired angioedema/neurological edema;
- Urticaria history within 1 year before receiving the study vaccine;
- Asplenia or functional asplenia;
- Thrombocytopenia or other coagulation disorders (may cause contraindications for intramuscular injection);
- Trypanophobia in intramuscular injection groups;
- History of receiving immunosuppressant therapy (continuous oral or instillation for more than 14 days), anti-allergic therapy, cytotoxic therapy, nebulized corticosteroid therapy in the past 6 months;
- Prior administration of blood products in last 4 months;
- Other vaccination(s) or investigational drugs within 1 month before study onset, or planned use during the study period;
- Prior administration of live attenuated vaccine within 1 month before study onset;
- Prior administration of subunit or inactivated vaccine within 14 days before study onset;
- Current anti-tuberculosis therapy;
- Women who are pregnant or lactating, positive urine pregnancy test or plan to become pregnant during the whole study;
- Any condition that in the opinion of the investigators may interfere with the participants' compliance or evaluation of study objectives or informed consent (i.e. medical, psychological, social or other conditions, etc.) Exclusion criteria for the phase II portion of the study will be detailed in an amended synopsis/study protocol.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04840992
China, Jiangsu | |
Jiangsu Provincal Center for Disease Control and Prevention | |
Nanjing, Jiangsu, China |
Principal Investigator: | Fengcai Zhu, MSD | Jiangsu Provincal Center for Disease Control and Prevention |
Responsible Party: | CanSino Biologics Inc. |
ClinicalTrials.gov Identifier: | NCT04840992 |
Other Study ID Numbers: |
JSVCT092 |
First Posted: | April 12, 2021 Key Record Dates |
Last Update Posted: | October 31, 2022 |
Last Verified: | October 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
COVID-19 Vaccine Ad5 Safety |
Immunogenicity SARS-CoV-2 Adenovirus Vector Aerogen Solo |
COVID-19 Respiratory Tract Infections Infections Pneumonia, Viral Pneumonia Virus Diseases Coronavirus Infections Coronaviridae Infections |
Nidovirales Infections RNA Virus Infections Lung Diseases Respiratory Tract Diseases Vaccines Immunologic Factors Physiological Effects of Drugs |