A Study of AZD1222, a Vaccine for the Prevention of COVID-19 in Immunocompromised Adults (VICTORIA)
A Phase IV Open-Label, Non-Randomized, Multi-Cohort, Multicenter Study in Previously Unvaccinated Immunocompromised Adults to Determine the Immunogenicity and Safety of AZD1222 Vaccine for the Prevention of COVID-19
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 4
Contacts and Locations
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Adult, ≥ 18 years at the time of signing the informed consent.
- Cohort specific inclusion criteria:
Solid organ transplant
- Participants with heart, lung, kidney, or liver transplant, and are stable on immunosuppressants (defined as no change in dose in the previous 4 weeks).
Hematopoietic stem cell transplant
- Participants with autologous (up to 6 months after transplantation) or allogeneic stem cell transplant who are immunosuppressed, with no evidence of active graft-versushost disease, at least one month after the procedure.
Cancer patients on chemotherapy
- Participants with solid tumors (except breast cancer), histologically diagnosed, who were undergoing intravenous cytotoxic chemotherapy within the last 6 months, who received at least 1 cycle prior to cytotoxic chemotherapy, and have a life expectancy of longer than 3 months.
Chronic inflammatory conditions
- Participants with chronic inflammatory conditions, including those on immunosuppressant medications, can be recruited. The following conditions are specifically excluded: multiple sclerosis and peripheral demyelinating disease.
Primary immune deficiency
- Examples include combined granulomatous disorder, SCID, common variable immunodeficiency.
Immunocompetent:
- No confirmed or suspected immunosuppressive or immunodeficient state.
- No use of immunosuppressant medication within the past 1 month (≥ 20 mg per day of prednisone or its equivalent, given daily or on alternate days for ≥ 15 days within 30 days prior to administration of AZD1222). The following exceptions are permitted: topical/inhaled steroids or short-term oral steroids (course lasting ≤ 14 days).
- No receipt of immunoglobulins and/or any blood products within 3 months prior to administration of AZD1222 or expected receipt during the period of study follow up.
- No severe and/or uncontrolled cardiovascular disease, respiratory disease, gastrointestinal disease, liver disease, renal disease, endocrine disorder, and neurological illness, as judged by the Investigator.
Exclusion Criteria:
- History of allergic disease or reactions likely to be exacerbated by any component of AZD1222.
- Active infection with SARS-CoV-2 as confirmed locally by nucleic acid amplification test (e.g. RT-PCR).
- Known current or past laboratory-confirmed SARS-CoV-2 infection.
- Significant infection or other acute illness, including fever (temperature > 37.8°C) on the day prior to or day of first dosing.
- Thrombocytopenia with platelet count ≤ 75,000 x 109/microliter based on complete blood count test at screening visit.
- HIV-positive participants based on a positive ELISA test performed at screening visit.
- History of cerebral venous sinus thrombosis (CVST).
- Receipt of any vaccine (licensed or investigational) within 30 days prior to and after administration of AZD1222.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Other: Cohort 1 - immunocompromised participants with solid organ transplant
Previously unvaccinated immunocompromised participants with solid organ transplant will receive a primary vaccination series with 3 IM doses of AZD1222 separated by 4 weeks and will be followed to the end of the study.
The first dose will be administered on Day 1, the second dose will be administered 28 days after dose 1, and the third dose will be administered 28 days after dose 2.
|
10 mM histidine, 7.5% (w/v) sucrose, 35 mM sodium chloride, 1 mM magnesium chloride, 0.1% (w/v) polysorbate 80, 0.1 mM edetate disodium, 0.5% (w/v) ethanol, at pH 6.6
|
|
Other: Cohort 2 - immunocompromised participants with hematopoietic stem cell transplant
Previously unvaccinated immunocompromised participants with hematopoietic stem cell transplant will receive a primary vaccination series with 3 IM doses of AZD1222 separated by 4 weeks and will be followed to the end of the study.
The first dose will be administered on Day 1, the second dose will be administered 28 days after dose 1, and the third dose will be administered 28 days after dose 2.
|
10 mM histidine, 7.5% (w/v) sucrose, 35 mM sodium chloride, 1 mM magnesium chloride, 0.1% (w/v) polysorbate 80, 0.1 mM edetate disodium, 0.5% (w/v) ethanol, at pH 6.6
|
|
Other: Cohort 3 - immunocompromised participants with solid organ cancer receiving cytotoxic chemotherapy
Previously unvaccinated immunocompromised participants with solid organ cancer receiving cytotoxic chemotherapy will receive a primary vaccination series with 3 IM doses of AZD1222 separated by 4 weeks and will be followed to the end of the study.
The first dose will be administered on Day 1, the second dose will be administered 28 days after dose 1, and the third dose will be administered 28 days after dose 2.
|
10 mM histidine, 7.5% (w/v) sucrose, 35 mM sodium chloride, 1 mM magnesium chloride, 0.1% (w/v) polysorbate 80, 0.1 mM edetate disodium, 0.5% (w/v) ethanol, at pH 6.6
|
|
Other: Cohort 4 - immunocompromised participants with chronic inflammatory disorders
Previously unvaccinated immunocompromised participants with chronic inflammatory disorders will receive a primary vaccination series with 3 IM doses of AZD1222 separated by 4 weeks and will be followed to the end of the study.
The first dose will be administered on Day 1, the second dose will be administered 28 days after dose 1, and the third dose will be administered 28 days after dose 2.
|
10 mM histidine, 7.5% (w/v) sucrose, 35 mM sodium chloride, 1 mM magnesium chloride, 0.1% (w/v) polysorbate 80, 0.1 mM edetate disodium, 0.5% (w/v) ethanol, at pH 6.6
|
|
Other: Cohort 5 - immunocompromised participants with primary immunodeficiency
Previously unvaccinated immunocompromised participants with primary immunodeficiency will receive a primary vaccination series with 3 IM doses of AZD1222 separated by 4 weeks and will be followed to the end of the study.
The first dose will be administered on Day 1, the second dose will be administered 28 days after dose 1, and the third dose will be administered 28 days after dose 2.
|
10 mM histidine, 7.5% (w/v) sucrose, 35 mM sodium chloride, 1 mM magnesium chloride, 0.1% (w/v) polysorbate 80, 0.1 mM edetate disodium, 0.5% (w/v) ethanol, at pH 6.6
|
|
Other: Cohort 6 - immunocompetent participants
Previously unvaccinated immunocompetent participants will receive a primary vaccination series with 2 IM doses of AZD1222 separated by 4 weeks, followed by a booster dose of AZD1222 administered 6 months after the first dose.
The first dose will be administered on Day 1, the second dose will be administered 28 days after dose 1. Participants will receive a third dose booster 6 months after dose 1 and will continue to be followed to the end of the study.
|
10 mM histidine, 7.5% (w/v) sucrose, 35 mM sodium chloride, 1 mM magnesium chloride, 0.1% (w/v) polysorbate 80, 0.1 mM edetate disodium, 0.5% (w/v) ethanol, at pH 6.6
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Geometric Mean Titers (GMT) for Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Neutralizing Antibodies (nAb) Post 2-Dose Primary Vaccination of AZD1222 as Measured by Pseudo-neutralization Assay
Time Frame: Days 29 and 57
|
The GMT was calculated as the antilogarithm of Σ (base 2 log transformed titer/n), that is (i.e.), as the antilogarithm transformation of the mean of the log-transformed titer, where n is the number of participants with titer information.
|
Days 29 and 57
|
|
Percentage of Participants With Seroresponse to SARS-CoV-2 nAb Post 2-Dose Primary Vaccination of AZD1222 as Measured by Pseudo-neutralization Assay
Time Frame: Days 29 and 57
|
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 doses 1 and 2) to SARS-CoV-2 nAb of AZD1222 as measured by pseudo-neutralization assay is reported.
The 2-sided 95% CI was calculated using Clopper-Pearson methodology.
|
Days 29 and 57
|
|
GMT for SARS-CoV-2 Anti-Spike Binding Antibodies Post 2-Dose Primary Vaccination of AZD1222 as Measured by Meso Scale Discovery (MSD) Serology Assay
Time Frame: Days 29 and 57
|
The GMT was calculated as the antilogarithm of Σ (base 2 log transformed titer/n), i.e, as the antilogarithm transformation of the mean of the log-transformed titer, where n is the number of participants with titer information.
|
Days 29 and 57
|
|
Percentage of Participants With Seroresponse to Anti-Spike Binding Antibodies of a 2-Dose Primary Vaccination of AZD1222 as Measured by MSD Serology Assay
Time Frame: Days 29 and 57
|
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 doses 1 and 2) to anti-spike binding antibodies of AZD1222 as measured by MSD serology assay is reported.
The 2-sided 95% CI was calculated using Clopper-Pearson methodology.
|
Days 29 and 57
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
GMT for SARS-CoV-2 nAb Post Second Dose of AZD1222 as Measured by Pseudo-neutralization Assay
Time Frame: Day 57
|
The GMT was calculated as the antilogarithm of Σ (base 2 log transformed titer/n), i.e., as the antilogarithm transformation of the mean of the log-transformed titer, where n is the number of participants with titer information.
The ratio of SARS-CoV-2 specific GMT titers 28 days post Dose 2 of AZD1222 was calculated as the ratio of the titer levels in the immunocompromised cohort to the immunocompetent cohort.
|
Day 57
|
|
Percentage of Participants With Seroresponse to SARS-CoV-2 nAb Post Second Dose of AZD1222 as Measured by Pseudo-neutralization Assay
Time Frame: Day 57
|
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 Dose 2) to SARS-CoV-2 nAb of AZD1222 as measured by pseudo-neutralization assay is reported, and the 2-sided 95% CI was calculated using Clopper-Pearson methodology.
The difference in seroresponse 28 days post Dose 2 of AZD1222 was calculated as (seroresponse rate of immunocompromised cohort) - (seroresponse rate of immunocompetent cohort), and the 2-sided 95% CI was calculated using the Newcombe score without continuity correction.
|
Day 57
|
|
GMT for SARS-CoV-2 Anti-Spike Binding Antibodies Post Second Dose of AZD1222 as Measured by MSD Serology Assay
Time Frame: Day 57
|
The GMT was calculated as the antilogarithm of Σ (base 2 log transformed titer/n), i.e., as the antilogarithm transformation of the mean of the log-transformed titer, where n is the number of participants with titer information.
The ratio of SARS-CoV-2 specific GMT titers 28 days post Dose 2 of AZD1222 was calculated as the ratio of the titer levels in the immunocompromised cohort to the immunocompetent cohort.
|
Day 57
|
|
Percentage of Participants With Seroresponse to SARS-CoV-2 Anti-Spike Binding Antibodies Post Second Dose of AZD1222 as Measured by MSD Serology Assay
Time Frame: Day 57
|
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 Dose 2) to SARS-CoV-2 nAb of AZD1222 as measured by MSD Serology assay is reported, and the 2-sided 95% CI was calculated using Clopper-Pearson methodology.
The difference in seroresponse 28 days post Dose 2 of AZD1222 was calculated as (seroresponse rate of immunocompromised cohort) - (seroresponse rate of immunocompetent cohort), and the 2-sided 95% CI was calculated using the Newcombe score without continuity correction.
|
Day 57
|
|
GMT for SARS-CoV-2 nAb Post Third Dose of AZD1222 as Measured by Pseudo-neutralization Assay
Time Frame: Day 85 for immunocompromised cohort and Day 211 for immunocompetent cohort
|
The GMT was calculated as the antilogarithm of Σ (base 2 log transformed titer/n), i.e., as the antilogarithm transformation of the mean of the log-transformed titer, where n is the number of participants with titer information.
The ratio of SARS-CoV-2 specific GMT titers 28 days post Dose 3 of AZD1222 was calculated as the ratio of the titer levels in the immunocompromised cohort to the immunocompetent cohort.
|
Day 85 for immunocompromised cohort and Day 211 for immunocompetent cohort
|
|
Percentage of Participants With Seroresponse to SARS-CoV-2 nAb Post Third Dose of AZD1222 as Measured by Pseudo-neutralization Assay
Time Frame: Day 85 for immunocompromised cohort and Day 211 for immunocompetent cohort
|
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 dose 3) to SARS-CoV-2 nAb of AZD1222 as measured by pseudo-neutralization assay is reported, and the 2-sided 95% CI was calculated using Clopper-Pearson methodology.
The difference in seroresponse 28 days post Dose 3 of AZD1222 was calculated as (seroresponse rate of immunocompromised cohort) - (seroresponse rate of immunocompetent cohort).
|
Day 85 for immunocompromised cohort and Day 211 for immunocompetent cohort
|
|
GMT for SARS-CoV-2 Anti-Spike Binding Antibodies Post Third Dose of AZD1222 as Measured by MSD Serology Assay
Time Frame: Day 85 for immunocompromised cohort and Day 211 for immunocompetent cohort
|
The GMT was calculated as the antilogarithm of Σ (base 2 log transformed titer/n), i.e., as the antilogarithm transformation of the mean of the log-transformed titer, where n is the number of participants with titer information.
The ratio of SARS-CoV-2 specific GMT titers 28 days post Dose 3 of AZD1222 was calculated as the ratio of the titer levels in the immunocompromised cohort to the immunocompetent cohort.
|
Day 85 for immunocompromised cohort and Day 211 for immunocompetent cohort
|
|
Percentage of Participants With Seroresponse to Anti-Spike Binding Antibodies Post Third Dose of AZD1222 as Measured by MSD Serology Assay
Time Frame: Day 85 for immunocompromised cohort and Day 211 for immunocompetent cohort
|
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 dose 3) to anti-spike binding antibodies of AZD1222 as measured by MSD serology assay is reported, and the 2-sided 95% CI was calculated using Clopper-Pearson methodology.
The difference in seroresponse 28 days post Dose 3 of AZD1222 was calculated as (seroresponse rate of immunocompromised cohort) - (seroresponse rate of immunocompetent cohort).
|
Day 85 for immunocompromised cohort and Day 211 for immunocompetent cohort
|
Collaborators and Investigators
Sponsor
Sponsor
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- D8111C00010
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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
Yes, indicates that AZ are accepting requests for IPD, but this does not mean all requests will be shared.
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
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.
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