- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04516746
Phase III Double-blind, Placebo-controlled Study of AZD1222 for the Prevention of COVID-19 in Adults
February 2, 2024 updated by: AstraZeneca
A Phase III Randomized, Double-blind, Placebo-controlled Multicenter Study in Adults, to Determine the Safety, Efficacy, and Immunogenicity of AZD1222, a Non-replicating ChAdOx1 Vector Vaccine, for the Prevention of COVID-19
The aim of the study is to assess the safety, efficacy, and immunogenicity of AZD1222 for the prevention of COVID-19.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
The COVID-19 pandemic has caused major disruption to healthcare systems with significant socioeconomic impacts.
Currently, there are no specific treatments available against COVID-19 and accelerated vaccine development is urgently needed.
A safe and effective vaccine for COVID-19 prevention would have significant public health impact.
Study Type
Interventional
Enrollment (Actual)
32450
Phase
- Phase 3
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Quillota, Chile, 2260000
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Santiago, Chile, 7500539
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Santiago, Chile, 8380453
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Callao, Peru
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Cercado De Lima, Peru, LIMA 1
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Lima, Peru, 15036
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Arizona
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Phoenix, Arizona, United States, 85018
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Scottsdale, Arizona, United States, 85258
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Arkansas
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Little Rock, Arkansas, United States, 72212
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California
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Berkeley, California, United States, 94705
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El Centro, California, United States, 92243
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Los Angeles, California, United States, 90095
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Los Angeles, California, United States, 90033
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San Diego, California, United States, 92103
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San Diego, California, United States, 92134
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San Francisco, California, United States, 94102
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San Francisco, California, United States, 94158
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Torrance, California, United States, 90502
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Colorado
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Denver, Colorado, United States, 80204
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Connecticut
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Danbury, Connecticut, United States, 06810
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Florida
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Coral Gables, Florida, United States, 33134
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Lake Worth, Florida, United States, 33462
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Miami Lakes, Florida, United States, 33016
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Orlando, Florida, United States, 32803
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Hawaii
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Honolulu, Hawaii, United States, 96814
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Idaho
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Meridian, Idaho, United States, 83642
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Illinois
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Chicago, Illinois, United States, 60612
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Indiana
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Indianapolis, Indiana, United States, 46202
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Iowa
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Ankeny, Iowa, United States, 50023
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Kansas
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Fairway, Kansas, United States, 66205
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Kansas City, Kansas, United States, 66160
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Wichita, Kansas, United States, 67207
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Wichita, Kansas, United States, 67214
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Kentucky
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Lexington, Kentucky, United States, 40509
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Louisiana
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Lake Charles, Louisiana, United States, 70601
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Monroe, Louisiana, United States, 71201
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Maryland
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Baltimore, Maryland, United States, 21201
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Baltimore, Maryland, United States, 21205
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Bethesda, Maryland, United States, 20889
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Massachusetts
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Boston, Massachusetts, United States, 02111
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Boston, Massachusetts, United States, 02215
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Michigan
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Ann Arbor, Michigan, United States, 48109
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Royal Oak, Michigan, United States, 48073
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Minnesota
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Minneapolis, Minnesota, United States, 55425
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Mississippi
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Gulfport, Mississippi, United States, 39503
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Montana
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Butte, Montana, United States, 59701
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New Hampshire
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Portsmouth, New Hampshire, United States, 03801
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New Jersey
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Berlin, New Jersey, United States, 08009
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New Mexico
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Albuquerque, New Mexico, United States, 87102
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New York
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Bronx, New York, United States, 10467
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Brooklyn, New York, United States, 11220
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Mineola, New York, United States, 11501
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New York, New York, United States, 10016
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New York, New York, United States, 10032
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New York, New York, United States, 10010
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Rochester, New York, United States, 14642
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Rochester, New York, United States, 14621
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Valhalla, New York, United States, 10595
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North Carolina
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Durham, North Carolina, United States, 27710
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Ohio
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Cincinnati, Ohio, United States, 45229
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Columbus, Ohio, United States, 43210
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Oklahoma
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Yukon, Oklahoma, United States, 73099
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Oregon
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Portland, Oregon, United States, 97239
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Pennsylvania
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Pittsburgh, Pennsylvania, United States, 15232
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Rhode Island
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Warwick, Rhode Island, United States, 02886
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South Carolina
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Charleston, South Carolina, United States, 29425
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North Charleston, South Carolina, United States, 29406
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Spartanburg, South Carolina, United States, 29303
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Tennessee
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Knoxville, Tennessee, United States, 37920
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Nashville, Tennessee, United States, 37203
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Texas
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Austin, Texas, United States, 78745
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Dallas, Texas, United States, 75208
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Fort Sam Houston, Texas, United States, 78234
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Houston, Texas, United States, 77030
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McAllen, Texas, United States, 78504
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San Antonio, Texas, United States, 78236
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Spring, Texas, United States, 77381
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Utah
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West Jordan, Utah, United States, 84088
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Vermont
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Burlington, Vermont, United States, 05401
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Virginia
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Fort Belvoir, Virginia, United States, 22060
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Richmond, Virginia, United States, 23226
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Washington
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Seattle, Washington, United States, 98109
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West Virginia
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South Charleston, West Virginia, United States, 25309
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Wisconsin
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Madison, Wisconsin, United States, 53792-5666
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 130 years (Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Description
Inclusion Criteria:
- Increased risk of SARS-CoV-2 infection
- Medically stable
Exclusion Criteria:
- confirmed or suspected immunosuppressive or immunodeficient state
- significant disease, disorder, or finding
- Prior or concomitant vaccine therapy for COVID-19
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: AZD1222
Approximately 20,000 participants randomized to the AZD1222 arm
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AZD1222 is a recombinant replication-defective chimpanzee adenovirus expressing the SARS-CoV-2-5 surface glycoprotein.
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Placebo Comparator: Placebo
Approximately 10,000 participants randomized to the saline placebo arm
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Commercially available 0.9% (n/V) saline for injection.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Number of Participants With Local and Systemic Solicited AEs in the Substudy Only
Time Frame: From Day 1 up to 7 days post each dose of study intervention, approximately 14 days
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Solicited AEs are local or systemic predefined events for assessment of reactogenicity.
Solicited AEs were collected in a e-Diary only for participants in the substudy.
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From Day 1 up to 7 days post each dose of study intervention, approximately 14 days
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Number of Participants With Binary Response
Time Frame: From 15 days post second dose up to data cut-off date (DCO) of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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A binary response, whereby a participant with negative serostatus at baseline is defined as a COVID-19 case if their first case of SARS-CoV-2 RT-PCR-positive symptomatic illness occurs ≥ 15 days post second dose of study intervention.
Otherwise, a participant is not defined as a COVID-19 case.
The primary efficacy analysis was performed once approximately 150 events meeting the primary efficacy outcome measure definition had occurred across the AZD1222 and placebo groups.
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From 15 days post second dose up to data cut-off date (DCO) of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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Number of Participants With Adverse Events (AEs) Post Each Dose of Study Intervention
Time Frame: From Day 1 up to 28 days post second dose of study intervention, approximately 57 days
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An AE is the development of any untoward medical occurrence in a clinical study participant administered medicinal product and which does not necessarily have a causal relationship with this medicinal product.
An AE can therefore be any unfavorable and unintended sign, symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product.
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From Day 1 up to 28 days post second dose of study intervention, approximately 57 days
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Number of Participants With Serious Adverse Events (SAE), Medically Attended Adverse Events (MAAE), and Adverse Event of Special Interest (AESI) Prior to Non-study COVID-19 Vaccination
Time Frame: From Day 1 up to receipt of non-study COVID-19 vaccination or a maximum of Day 760 for participants without non-study COVID-19 vaccination.
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An SAE is an AE occurring during any study phase that fulfils 1 or more of the following criteria: death; immediately life-threatening; in-participant hospitalization or prolongation of existing hospitalization; persistent or significant disability or incapacity; congenital abnormality or birth defect; an important medical event.
AESIs were events of scientific and medical interest specific to the further understanding of the study intervention safety profile and required close monitoring and rapid communication by the investigators to the sponsor.
MAAEs are defined as AEs leading to medically-attended visits that were not routine visits for physical examination or vaccination, such as an emergency room visit, or an otherwise unscheduled visit to or from medical personnel (medical doctor) for any reason.
Different follow-up time between AZD1222 and Placebo groups (20223 versus 3893 participant years).
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From Day 1 up to receipt of non-study COVID-19 vaccination or a maximum of Day 760 for participants without non-study COVID-19 vaccination.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Number of Participants With First Post-intervention Response for SARS-CoV-2 Nucleocapsid Antibodies Post Second Dose of Study Intervention
Time Frame: From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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The incidence of the first post-intervention response (negative at baseline to positive post intervention with study intervention) for SARS-CoV-2 nucleocapsid antibodies occurring ≥ 15 days post second dose of study intervention (key secondary endpoint).
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From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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Number of Participants With First COVID-19 Symptomatic Illness Using Centers for Disease Control and Prevention (CDC) Criteria Post Second Dose of Study Intervention
Time Frame: From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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The incidence of the first case of SARS-CoV-2 RT-PCR-positive symptomatic illness occurring ≥ 15 days post second dose of study intervention using CDC criteria.
Participant must present with at least 1 of the following symptoms per CDC criteria: fever, shortness of breath, difficulty breathing, chills, cough, fatigue, muscle aches, body aches, headache, new loss of taste, new loss of smell, sore throat, congestion, runny nose, nausea, vomiting, or diarrhea.
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From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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Number of Participants With First COVID-19 Symptomatic Illness Using University of Oxford-Defined Symptom Criteria Post Second Dose of Study Intervention
Time Frame: From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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The incidence of the first case of SARS-CoV-2 RT-PCR-positive symptomatic illness occurring ≥ 15 days post second dose of study intervention using University of Oxford-defined symptom criteria: new onset of fever (> 100 °Fahrenheit [> 37.8 °Celsius]), cough, shortness of breath, or anosmia/ageusia.
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From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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Number of Participants With First Symptomatic COVID-19 Regardless of Evidence of Prior SARS-CoV-2 Infection Post Second Dose of Study Intervention
Time Frame: From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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The incidence of the first case of SARS-CoV-2 RT-PCR-positive symptomatic illness occurring ≥ 15 days post second dose of study intervention regardless of evidence of prior SARS-CoV-2 infection (key secondary endpoint).
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From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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Number of Participants With COVID-19 Severe or Critical Symptomatic Illness Post Second Dose of Study Intervention
Time Frame: From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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The incidence of SARS-CoV-2 RT-PCR-positive severe or critical symptomatic illness occurring ≥ 15 days post second dose of study intervention.
The severity of COVID-19 was evaluated in participants with symptoms of COVID-19.
Following are the findings regarding severe of critical symptomatic COVID-19: clinical signs at rest indicative of severe systemic illness; respiratory failure; evidence of shock; significant acute renal, hepatic, or neurologic dysfunction; admission to an intensive care unit; and death (key secondary endpoint).
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From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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Number of Participants With COVID-19 Severe or Critical Symptomatic Illness Post First Dose of Study Intervention
Time Frame: From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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The incidence of SARS-CoV-2 RT-PCR-positive severe or critical symptomatic illness occurring post first dose of study intervention.
The severity of COVID-19 was evaluated in participants with symptoms of COVID-19.
Following are the findings regarding severe of critical symptomatic COVID-19: clinical signs at rest indicative of severe systemic illness; respiratory failure; evidence of shock; significant acute renal, hepatic, or neurologic dysfunction; admission to an intensive care unit; and death.
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From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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Number of Participants With COVID-19-Related Emergency Department Visits Post Second Dose of Study Intervention
Time Frame: From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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The incidence of COVID-19-related emergency department visits occurring ≥ 15 days post second dose of study intervention (key secondary endpoint).
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From 15 days post second dose up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of 17 weeks
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Geometric Mean Titers (GMTs) for SARS-CoV-2 Spike (S) and Receptor Binding Domain (RBD) Antibodies as Measured by Meso Scale Discovery (MSD) Serology Assay
Time Frame: Baseline (Day 1) and Days 15, 29, 43, 57, 90, 180, 360, and 730
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The GMT was calculated as the antilogarithm of Σ(log base 2 transformed titer/n), i.e. as the anti-logarithm transformation of the mean of the log-transformed titer, where 'n' is the number of participants with titer information.
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Baseline (Day 1) and Days 15, 29, 43, 57, 90, 180, 360, and 730
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Geometric Mean Fold Rise (GMFR) for SARS-CoV-2 S and RBD Antibodies as Measured by MSD Serology Assay
Time Frame: Days 15, 29, 43, 57, 90, 180, 360, and 730
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The fold rise was calculated as the ratio of the post-vaccination titer level to the pre-vaccination titer level.
GMFR was calculated as anti-logarithm of Σ (log base 2 transformed (post-vaccination titer/ pre-vaccination titer)/n).
Where 'n' is the number of participants with titer information.
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Days 15, 29, 43, 57, 90, 180, 360, and 730
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Percentage of Participants With Seroresponse to the S and RBD Antigens of AZD1222 as Measured by MSD Serology Assay
Time Frame: Days 15, 29, 43, 57, 90, 180, 360, and 730
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The fold rise was calculated as the ratio of the post-vaccination titer level to the pre-vaccination titer level.
The percentage of participants with a post-intervention seroresponse (≥ 4-fold rise in titers from baseline value to 28 days post each dose) to the S and RBD antigens of AZD1222 as measured by MSD serology assay is reported.
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Days 15, 29, 43, 57, 90, 180, 360, and 730
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GMTs for SARS-CoV-2 Neutralizing Antibodies as Measured by Pseudo-neutralization Assay
Time Frame: Baseline (Day 1) and Days 15, 29, 43, 57, 90, 180, and 360
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The GMT was calculated as the antilogarithm of Σ(log base 2 transformed titer/n), i.e. as the anti-logarithm transformation of the mean of the log-transformed titer, where 'n' is the number of participants with titer information.
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Baseline (Day 1) and Days 15, 29, 43, 57, 90, 180, and 360
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GMFR for SARS-CoV-2 Neutralizing Antibodies as Measured by Pseudo-neutralization Assay
Time Frame: Days 15, 29, 43, 57, 90, 180, and 360
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The fold rise was calculated as the ratio of the post-vaccination titer level to the pre-vaccination titer level.
GMFR was calculated as anti-logarithm of Σ (log base 2 transformed (post-vaccination titer/ pre-vaccination titer)/n).
Where 'n' is the number of participants with titer information.
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Days 15, 29, 43, 57, 90, 180, and 360
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Percentage of Participants With Seroresponse to SARS-CoV-2 Neutralizing Antibodies of AZD1222 as Measured by Pseudo-neutralization Assay
Time Frame: Days 15, 29, 43, 57, 90, 180, and 360
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The fold rise was calculated as the ratio of the post-vaccination titer level to the pre-vaccination titer level.
The percentage of participants with a post-intervention seroresponse (≥ 4-fold rise in titers from baseline value to 28 days post each dose) to SARS-CoV-2 neutralizing antibodies of AZD1222 as measured by pseudo-neutralization assay is reported.
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Days 15, 29, 43, 57, 90, 180, and 360
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Number of Participants With COVID-19 Symptomatic Illness Post First Dose of Study Intervention
Time Frame: From Day 1 up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of approximately 27 weeks
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The incidence of SARS-CoV-2 RT-PCR-positive symptomatic illness occurring post first dose of study intervention.
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From Day 1 up to DCO of 05 March 2021 or study discontinuation or unblinding or receipt of non-study COVID-19 vaccination, up to a maximum of approximately 27 weeks
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Ann Falsey, MD, University of Rochester
- Principal Investigator: Magda Sobieszczyk, MD, Columbia University
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Lu R, Zhao X, Li J, Niu P, Yang B, Wu H, Wang W, Song H, Huang B, Zhu N, Bi Y, Ma X, Zhan F, Wang L, Hu T, Zhou H, Hu Z, Zhou W, Zhao L, Chen J, Meng Y, Wang J, Lin Y, Yuan J, Xie Z, Ma J, Liu WJ, Wang D, Xu W, Holmes EC, Gao GF, Wu G, Chen W, Shi W, Tan W. Genomic characterisation and epidemiology of 2019 novel coronavirus: implications for virus origins and receptor binding. Lancet. 2020 Feb 22;395(10224):565-574. doi: 10.1016/S0140-6736(20)30251-8. Epub 2020 Jan 30.
- Zhou P, Yang XL, Wang XG, Hu B, Zhang L, Zhang W, Si HR, Zhu Y, Li B, Huang CL, Chen HD, Chen J, Luo Y, Guo H, Jiang RD, Liu MQ, Chen Y, Shen XR, Wang X, Zheng XS, Zhao K, Chen QJ, Deng F, Liu LL, Yan B, Zhan FX, Wang YY, Xiao GF, Shi ZL. A pneumonia outbreak associated with a new coronavirus of probable bat origin. Nature. 2020 Mar;579(7798):270-273. doi: 10.1038/s41586-020-2012-7. Epub 2020 Feb 3. Erratum In: Nature. 2020 Dec;588(7836):E6.
- Waldrop G, Doherty M, Vitoria M, Ford N. Stable patients and patients with advanced disease: consensus definitions to support sustained scale up of antiretroviral therapy. Trop Med Int Health. 2016 Sep;21(9):1124-30. doi: 10.1111/tmi.12746. Epub 2016 Jul 22.
- Li F. Structure, Function, and Evolution of Coronavirus Spike Proteins. Annu Rev Virol. 2016 Sep 29;3(1):237-261. doi: 10.1146/annurev-virology-110615-042301. Epub 2016 Aug 25.
- Zou G. A modified poisson regression approach to prospective studies with binary data. Am J Epidemiol. 2004 Apr 1;159(7):702-6. doi: 10.1093/aje/kwh090.
- CDC. (Centers for Disease Control and Prevention). Coronavirus Disease 2019 (COVID-19), Symptoms of Coronavrus. https://www.cdc.gov/coronavirus/2019-ncov/symptomstesting/ symptoms.html. Published 2020. Accessed 01 July 2020.
- FDA. (Food and Drug Administration). Guidance for Industry. Toxicity grading scale for healthy adult and adolescent volunteers enrolled in preventive vaccine clinical trials. . https://www.fda.gov/media/73679/download. Published 2007. Accessed 20 June 2020.
- Folegatti PM, Bittaye M, Flaxman A, Lopez FR, Bellamy D, Kupke A, Mair C, Makinson R, Sheridan J, Rohde C, Halwe S, Jeong Y, Park YS, Kim JO, Song M, Boyd A, Tran N, Silman D, Poulton I, Datoo M, Marshall J, Themistocleous Y, Lawrie A, Roberts R, Berrie E, Becker S, Lambe T, Hill A, Ewer K, Gilbert S. Safety and immunogenicity of a candidate Middle East respiratory syndrome coronavirus viral-vectored vaccine: a dose-escalation, open-label, non-randomised, uncontrolled, phase 1 trial. Lancet Infect Dis. 2020 Jul;20(7):816-826. doi: 10.1016/S1473-3099(20)30160-2. Epub 2020 Apr 21. Erratum In: Lancet Infect Dis. 2020 May 12;: Lancet Infect Dis. 2020 Jun 8;:
- SPEAC. (Safety Platform for Emergency Vaccines) D2.3 Priority list of adverse events of special interest: COVID-19. Work Package: WP2 Standards and Tools. v1.1. 05 March 2020. https://media.tghn.org/articles/COVID-19_AESIs_SPEAC_V1.1_5Mar2020.pdf. Published 2020. Accessed 14 June 2020.
- WHO. (World Health Organization) Coronavirus disease (COVID-19) situation report-175. 13 July 2020. https://www.who.int/docs/default-source/coronaviruse/situation-reports/20200713- covid-19-sitrep-175.pdf?sfvrsn=d6acef25_2. Published 2020. Accessed 13 July 2020.
- Clinical Study Protocol - 1.0 AstraZeneca AZD1222 - D8110C00001 CONFIDENTIAL AND PROPRIETARY 92 of 92
- Sobieszczyk ME, Maaske J, Falsey AR, Sproule S, Robb ML, Frenck RW Jr, Tieu HV, Mayer KH, Corey L, Neuzil KM, Tong T, Brewinski Isaacs M, Janes H, Bansal H, Edwards LM, Green JA, Kelly EJ, Shoemaker K, Takas T, White T, Bhuyan P, Villafana T, Hirsch AI; AstraZeneca AZD1222 Clinical Study Group. Durability of protection and immunogenicity of AZD1222 (ChAdOx1 nCoV-19) COVID-19 vaccine over 6 months. J Clin Invest. 2022 Sep 15;132(18):e160565. doi: 10.1172/JCI160565.
- Falsey AR, Sobieszczyk ME, Hirsch I, Sproule S, Robb ML, Corey L, Neuzil KM, Hahn W, Hunt J, Mulligan MJ, McEvoy C, DeJesus E, Hassman M, Little SJ, Pahud BA, Durbin A, Pickrell P, Daar ES, Bush L, Solis J, Carr QO, Oyedele T, Buchbinder S, Cowden J, Vargas SL, Guerreros Benavides A, Call R, Keefer MC, Kirkpatrick BD, Pullman J, Tong T, Brewinski Isaacs M, Benkeser D, Janes HE, Nason MC, Green JA, Kelly EJ, Maaske J, Mueller N, Shoemaker K, Takas T, Marshall RP, Pangalos MN, Villafana T, Gonzalez-Lopez A; AstraZeneca AZD1222 Clinical Study Group. Phase 3 Safety and Efficacy of AZD1222 (ChAdOx1 nCoV-19) Covid-19 Vaccine. N Engl J Med. 2021 Dec 16;385(25):2348-2360. doi: 10.1056/NEJMoa2105290. Epub 2021 Sep 29.
- van Doremalen N, Lambe T, Spencer A, Belij-Rammerstorfer S, Purushotham JN, Port JR, Avanzato VA, Bushmaker T, Flaxman A, Ulaszewska M, Feldmann F, Allen ER, Sharpe H, Schulz J, Holbrook M, Okumura A, Meade-White K, Perez-Perez L, Edwards NJ, Wright D, Bissett C, Gilbride C, Williamson BN, Rosenke R, Long D, Ishwarbhai A, Kailath R, Rose L, Morris S, Powers C, Lovaglio J, Hanley PW, Scott D, Saturday G, de Wit E, Gilbert SC, Munster VJ. ChAdOx1 nCoV-19 vaccine prevents SARS-CoV-2 pneumonia in rhesus macaques. Nature. 2020 Oct;586(7830):578-582. doi: 10.1038/s41586-020-2608-y. Epub 2020 Jul 30. Erratum In: Nature. 2021 Feb;590(7844):E24.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
August 28, 2020
Primary Completion (Actual)
March 5, 2021
Study Completion (Actual)
February 10, 2023
Study Registration Dates
First Submitted
August 17, 2020
First Submitted That Met QC Criteria
August 17, 2020
First Posted (Actual)
August 18, 2020
Study Record Updates
Last Update Posted (Estimated)
February 5, 2024
Last Update Submitted That Met QC Criteria
February 2, 2024
Last Verified
February 1, 2024
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- D8110C00001
- 2020-005226-28 (EudraCT Number)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
YES
IPD Plan Description
Qualified researchers can request access to anonymized individual patient-level data from AstraZeneca group of companies sponsored clinical trials via the request portal.
All request will be evaluated as per the AZ disclosure commitment: https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure
IPD Sharing Time Frame
AstraZeneca will meet or exceed data availability as per the commitments made to the EFPIA Pharma Data Sharing Principles.
For details of our timelines, please rerefer to our disclosure commitment at https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure
IPD Sharing Access Criteria
When a request has been approved AstraZeneca will provide access to the de-identified individual patient-level data in an approved sponsored tool .
Signed Data Sharing Agreement (non-negotiable contract for data accessors) must be in place before accessing requested information.
Additionally, all users will need to accept the terms and conditions of the SAS MSE to gain access.
For additional details, please review the Disclosure Statements at https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
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.
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