MedPath

Phase I/II Clinical Trial of Recombinant Novel Coronavirus (COVID-19) Vaccine (Adenovirus Type 5 Vector) for Inhalation

Phase 1
Completed
Conditions
COVID-19
Interventions
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation
Biological: Placebo for Inhalation
Biological: Placebo
Biological: Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector)
Registration Number
NCT04840992
Lead Sponsor
CanSino Biologics Inc.
Brief Summary

This study is a randomized, double-blind, placebo-controlled I/II clinical trial, in order to evaluate the safety and immunogenicity of Recombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation in adults 18 years of Age and Older.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
840
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.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
B4b Phase II placebo combine 2 dosesPlaceboPlacebo containing 0 vp, 1 dose Intramuscular Injection, 1 dose Aerogen Solo, 56 days apart
B5b Phase II placebo intramuscular single dosePlaceboplacebo containing 0 vp, 1 dose Intramuscular Injection
B4a Phase II combine 2 dosesRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation1 dose Intramuscular Injection, Ad5-nCoV containing 5E10 vp, 1 dose Aerogen Solo, Ad5-nCoV containing 2E10 vp, 56 days apart
B2a Phase II medium 2 dosesRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for InhalationAd5-nCoV containing 1E10 vp, 2 doses 56 days apart, Aerogen Solo
B3a Phase II high 2 dosesRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for InhalationAd5-nCoV containing 2E10 vp, 2 doses 56 days apart, Aerogen Solo
B4a Phase II combine 2 dosesRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector)1 dose Intramuscular Injection, Ad5-nCoV containing 5E10 vp, 1 dose Aerogen Solo, Ad5-nCoV containing 2E10 vp, 56 days apart
A4b Phase I placebo combine 2 dosesPlacebo for Inhalation6 subjects, Placebo containing 0 vp, 1 dose Intramuscular Injection, 1 dose Aerogen Solo, 56 days apart
A4b Phase I placebo combine 2 dosesPlacebo6 subjects, Placebo containing 0 vp, 1 dose Intramuscular Injection, 1 dose Aerogen Solo, 56 days apart
B4b Phase II placebo combine 2 dosesPlacebo for InhalationPlacebo containing 0 vp, 1 dose Intramuscular Injection, 1 dose Aerogen Solo, 56 days apart
B6b Phase II placebo Aerogen Solo single doseRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector)placebo containing 0 vp, 1 dose Aerogen Solo
B2b Phase II placebo medium 2 dosesPlacebo for InhalationPlacebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
A2a Phase I medium 2 dosesRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for InhalationAd5-nCoV containing 1E10 vp, 2 doses 56 days apart, Aerogen Solo
A4a Phase I combine 2 dosesRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for Inhalation1 dose Intramuscular Injection, Ad5-nCoV containing 5E10 vp, 1 dose Aerogen Solo, Ad5-nCoV containing 2E10 vp, 56 days apart
A1a Phase I low 2 dosesRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for InhalationAd5-nCoV containing 0.5E10 vp, 2 doses 56 days apart, Aerogen Solo
A1b Phase I placebo low 2 dosesPlacebo for InhalationPlacebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
A3a Phase I high 2 dosesRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for InhalationAd5-nCoV containing 2E10 vp, 2 doses 56 days apart, Aerogen Solo
A3b Phase I placebo high 2 dosesPlacebo for InhalationPlacebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
A5b Phase I placebo single dosePlacebo for Inhalation6 subjects, Placebo containing 0 vp, 1 dose Aerogen Solo
B1b Phase II placebo low 2 doses (18-59)Placebo for InhalationPlacebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
A2b Phase I placebo medium 2 dosesPlacebo for InhalationPlacebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
A4a Phase I combine 2 dosesRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector)1 dose Intramuscular Injection, Ad5-nCoV containing 5E10 vp, 1 dose Aerogen Solo, Ad5-nCoV containing 2E10 vp, 56 days apart
A5a Phase I single doseRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for InhalationAd5-nCoV containing 1E10 vp, 1 dose Aerogen Solo
B3b Phase II placebo high 2 dosesPlacebo for InhalationPlacebo containing 0 vp, 2 doses 56 days apart, Aerogen Solo
B5a Phase II intramuscular single doseRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector)Ad5-nCoV containing 5E10 vp, 1 dose Intramuscular Injection
B6a Phase II Aerogen Solo single doseRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for InhalationAd5-nCoV containing 1E10 vp, 1 dose Aerogen Solo
B1a Phase II low 2 dosesRecombinant Novel Coronavirus Vaccine (Adenovirus Type 5 Vector) for InhalationAd5-nCoV containing 0.5E10 vp, 2 doses 56 days apart, Aerogen Solo
Primary Outcome Measures
NameTimeMethod
Incidence of Adverse Reactions (AR)0-14 days after each vaccination

The occurrence of Adverse Reactions (AR) in all groups

Incidence of Serious Adverse Events (SAE)Within the first and final vaccination up until 12 months after the final vaccination

The occurrence of Serious Adverse Events (SAE) in all groups

Secondary Outcome Measures
NameTimeMethod
Seroconversion rate of SARS-CoV-2 neutralizing antibody28 days after the final vaccination
Changes in laboratory test indicators4 days after each vaccination

Changes in laboratory test indicators (including white blood cell count, lymphocyte count, etc), and respiratory rate in all groups

Seroconversion rate of Covid-19 S protein RBD specific antibodyBefore 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

Incidence of Adverse Events/Reactions (AE/AR)Within 0-28 days after each vaccination

The occurence of Adverse Events/Reactions (AE/AR) in all groups

GMT of Covid-19 S protein RBD specific antibodyBefore 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

GMI of Covid-19 S protein RBD specific antibodyBefore 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

Cellular immune responseBefore the first dose, 14 days after the first dose

The positive rate of IL-13 stimulated by S protein ELISpot

GMT of SARS-CoV-2 neutralizing antibody28 days after the final vaccination
GMI of SARS-CoV-2 neutralizing antibodyBefore 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

Trial Locations

Locations (1)

Jiangsu Provincal Center for Disease Control and Prevention

🇨🇳

Nanjing, Jiangsu, China

© Copyright 2025. All Rights Reserved by MedPath