- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05293665
Platform Trial to Compare Homologous Boost of Authorized COVID-19 Vaccines and Heterologous Boost With UB-612 Vaccine
October 11, 2022 updated by: Vaxxinity, Inc.
A Phase 3 Multi-Center International, Randomized, Active-Controlled Platform Trial to Compare Homologous Boost of Authorized COVID-19 Vaccines and Heterologous Boost With UB-612 Vaccine
This is a multicenter, international, randomized, active-controlled platform study with each sub-study designed to randomize subjects to receive a single injection with UB-612 or a comparator COVID-19 vaccine in 1:1 ratio.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Detailed Description
The current platform protocol is designed to determine the safety and immunizing activity of a booster dose of 100 μg UB-612 in patients who have received a different vaccine 3 months or more before the study start (i.e., Day 1).
The randomized, active-controlled multicenter study sponsored by Vaxxinity will be conducted in several countries under a master platform protocol outlining common objectives, endpoints, population, study design, and data analysis.
The platform protocol is designed for multiple sub-studies to be implemented at any time, each independently addressing the same set of scientific questions aimed to evaluate the immune responses after a booster injection with UB-612 vaccine candidate and a particular comparator COVID-19 vaccine product.
Study Type
Interventional
Enrollment (Actual)
944
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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David, Panama
- CEVAXIN David
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Panamá, Panama
- Cevaxin 24 de Dieciembre
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Panamá, Panama
- Cevaxin The Panama Clinic
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Bacoor, Philippines
- Health Index Multispecialty
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Iloilo City, Philippines
- Iloilo Doctors Hospital
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Iloilo City, Philippines
- St Pauls Hospital Iloilo City
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Texas
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Brownsville, Texas, United States, 78521
- PanAmerican Clinical Research
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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
16 years and older (Child, Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Signed and dated informed consent/assent after reading the consent/assent form and having adequate opportunity to discuss the study with an investigator or designee.
- Documented fully vaccinated with primary series of a comparator vaccine. Primary immunization is defined as 2 doses spaced approximately 3-16 weeks apart. The last dose of the previous vaccine must have been administered at least three (3) months (Pfizer at least (5) months) prior to Day 1, taking into consideration the current local and national regulations, and according to details related to individual comparators provided in relevant sub-studies. Documentation, such as the National Health Service (NHS) COVID Pass, United States Centers for Disease Control vaccine card, or equivalent documentation (e.g., medical records, vaccine passport; in accordance with local approved vaccination record documentation) will be required for proof of vaccination, vaccine manufacturer and vaccination dates.
- No clinically significant health problems that could affect the safety of the subject, as determined by the investigator by medical history, laboratory tests and physical examination. May have a stable pre-existing medical condition that did not require significant change in medication or hospitalization in 3 months before screening or which, in the judgement of the investigator is unlikely to require a significant change in therapy or hospitalization for worsening disease in the 3 months after Day 1.
- Negative SARS-CoV-2 reverse transcriptase-polymerase chain reaction (RT-PCR) or antigen test within 24-48 hours prior to receipt of injections on Day 1.
- Female subjects of non-childbearing potential may be enrolled.
- Males and WOCBP, 16 years or older, may be enrolled in the study if they are willing to practice abstinence from sexual intercourse or are willing to use acceptable methods of contraception as described below, from the time of signing the informed consent/assent during the screening period through study product injection on Day 1 and until completion of Day 29. Acceptable methods of contraception should be consistent with local availability/regulations regarding the use of contraceptive methods for those participating in clinical trials.
- For WOCBP, a serum or urine pregnancy test must be negative at Screening and on the day of study product injection.
- Must be able to read, understand, and complete questionnaires and diary entries.
- Plans to reside within study area for the duration of the study.
- Able to comply with study procedures for the full duration of the study, in the opinion of the investigator.
Exclusion Criteria:
- Known history of COVID-19 or SARS-CoV-2 infection within six (6) months prior to vaccination (Day 1).
- Receipt of a booster COVID-19 vaccination in addition to the primary vaccine series.
- Presence of fever >100.4°F/38°C or other signs or symptoms of COVID-19 (e.g., chills, cough, shortness of breath or difficulty breathing, fatigue, muscle or body aches, headache, new loss of taste or smell, sore throat, congestion or runny nose, nausea or vomiting, or diarrhea) within 1 week prior to Day 1 study product injection. Screening and/or study product injection may be rescheduled at the discretion of the investigator.
- Clinical manifestations of systemic diseases considered by the investigator to impact safety or immunogenicity.
- Prior history of pericarditis or myocarditis of any etiology.
- Prior history of thrombosis of major vessels, including cerebrovascular or splanchnic thrombosis or of thrombosis with thrombocytopenia syndrome
- History of anaphylaxis (vaccine related or not).
- Chronic kidney disease with dialysis.
- Receipt of systemic corticosteroids (≥0.5 mg/kg per day of prednisone or equivalent)for ≥7 days is prohibited from 28 days before enrollment through conclusion of the study. Topical, inhaled, intra-nasal, intra-articular or intra-bursal administration of corticosteroids is permitted.
- Receipt of any cytotoxic or immunosuppressive drug or biologics six (6) months prior to Day 1 visit.
- Receipt of any investigational drug within six (6) months prior to Day 1 visit.
- Subject received or plans to receive a live attenuated vaccine or licensed adjuvanted(non-aluminum compound) vaccination within 28 days before or after planned administration of study vaccine (Day 1) or another type of vaccine (including influenza vaccine) within 14 days prior to or after planned administration of study vaccine on Day1 visit.
- Human immunodeficiency virus (HIV) or hepatitis B surface antigen (HBsAg) positive; hepatitis C virus (HCV) antibody positive subjects may be tested for RNA and if negative may be enrolled.
Any Grade 2 or greater clinical or laboratory abnormalities at screening results.
Grade 1 abnormal clinical or laboratory adverse event screening test results which, according to the investigator, are non-clinically significant would not disqualify a potential subject. Clinical or laboratory screening tests may be repeated once to exclude transient abnormalities.
- Immunocompromised state (weakened immune system) from solid organ transplant, immunosuppressive or immunodeficient state, autoimmune diseases, asplenia and, recurrent severe infections.
- Have an active malignancy or history of metastatic or hematologic malignancy except non-melanoma skin cancers.
- Pregnant or breastfeeding female, or female who intends to become pregnant during the study period.
- Administration of immunoglobulins and/or any blood products within the 120 days preceding Day 1 or planned administration during the study period.
- Bleeding disorder considered a contraindication to intramuscular injection or phlebotomy.
- Bilateral tattoos or scars at the deltoid sites of intramuscular (IM) injection that would obscure examination of injection site reactions.
- Behavioral, cognitive, or psychiatric disease that, in the opinion of the Principal Investigator or his or her representative physician, affects the subject's ability to understand and cooperate with all study protocol requirements.
- Any alcohol or drug abuse over the 12 months prior to enrollment in the study that has caused medical, professional, or family problems, indicated by clinical history.
- Grade 2 or higher hypertension (systolic >160 mm Hg and/or diastolic >100 mm Hg).
- Any other condition that, in the opinion of the Principal Investigator or his/her representative physician, could put the safety/rights of potential subjects at risk or prevent them from complying with the study protocol.
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: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: double-blind UB-612 boost of ChAdOx1-S
A single injection of UB-612 on Day 1 in a double-blinded fashion in subjects who completed the primary immunization series with ChAdOx1-S.
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UB-612 (100µg), 0.5mL suspension, intramuscular injection
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Active Comparator: double-blind ChAdOx1-S boost
A single injection of ChAdOx1-S on Day 1 in a double-blinded fashion in subjects who completed the primary immunization series with ChAdOx1-S.
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ChAdOx1-S vaccine, 0.5 mL suspension with approximately 5.0 × 10˄10 viral particles, intramuscular injection
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Experimental: double-blind UB-612 boost of BNT162b2
A single injection of UB-612 on Day 1 in a double-blinded fashion in subjects who completed the primary immunization series with BNT162b2
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UB-612 (100µg), 0.5mL suspension, intramuscular injection
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Active Comparator: double-blind BNT162b2 boost
A single injection of BNT162b2 on Day 1 in a double-blinded fashion in subjects who completed the primary immunization series with BNT162b2.
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BNT162b2 vaccine (30µg), 0.3mL suspension, intramuscular injection
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Experimental: double-blind UB-612 boost of Sinopharm BIBP
A single injection of UB-612 on Day 1 in a double-blinded fashion in subjects who completed the primary immunization series with Sinopharm BIBP.
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UB-612 (100µg), 0.5mL suspension, intramuscular injection
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Active Comparator: double-blind Sinopharm BIBP
A single injection of Sinopharm BIBP on Day 1 in a double-blinded fashion in subjects who completed the primary immunization series with Sinopharm BIBP.
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Sinopharm BIBP COVID-19 vaccine, 0.5mL (4µg) suspension, intramuscular injection
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Experimental: open-label UB-612 boost of BNT162b2
A single injection of UB-612 on Day 1 in an open-label fashion in subjects who completed the primary immunization series with BNT162b2.
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UB-612 (100µg), 0.5mL suspension, intramuscular injection
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Active Comparator: open-label BNT162b2 boost
A single injection of BNT162b2 on Day 1 in an open-label fashion in subjects who completed the primary immunization series with BNT162b2.
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BNT162b2 vaccine (30µg), 0.3mL suspension, intramuscular injection
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Presence of solicited local or systemic reactions
Time Frame: Day 8 after injection
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Local: pain, tenderness, erythema, induration, pruritis.
Systemic: Nausea, diarrhea, headache, fatigue, myalgia, chills, joint pain, rash
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Day 8 after injection
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Presence of unsolicited local or systemic reactions
Time Frame: Day 29 after injection
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Any AE reported by the subject that is not specified as a solicited
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Day 29 after injection
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Presence of serious adverse events
Time Frame: Day 387 after injection
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SAE are reported through the study
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Day 387 after injection
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Presence of medically attended adverse events
Time Frame: Day 387 after injection
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AE that leads to an unscheduled visit
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Day 387 after injection
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Presence of adverse events of special interest
Time Frame: Day 387 after injection
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AESI are reported throughout the study
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Day 387 after injection
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Boost in neutralizing antibody titers against Wuhan strain at Day 29
Time Frame: Day 29 after injection
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Geometric Mean Titer Ratios of neutralizing antibodies at Day 29 determined using replicating or pseudotyped virus
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Day 29 after injection
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Boost in neutralizing antibody titers against Omicron strain at Day 29
Time Frame: Day 29 after injection
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Geometric Mean Titer Ratios of neutralizing antibodies at Day 29 determined using replicating or pseudotyped virus
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Day 29 after injection
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Responders determined on Day 29 (Wuhan)
Time Frame: Day 1 to 29 after injection
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Proportion of subjects with ≥4-fold antibody titer rise from Day 1 to Day 29
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Day 1 to 29 after injection
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Responders determined on Day 29 (Omicron)
Time Frame: Day 1 to 29 after injection
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Proportion of subjects with ≥4-fold antibody titer rise from Day 1 to Day 29
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Day 1 to 29 after injection
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Kinetics and duration of antibody response - Responders via neutralizing antibodies
Time Frame: Day 1 to Day 15, Day 29, and Months 6 and 12
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Proportion of subjects with ≥4-fold antibody titer rise over the life of trial measured by neutralizing antibodies determined using replicating or pseudotyped virus
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Day 1 to Day 15, Day 29, and Months 6 and 12
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Kinetics and duration of antibody response - Responders via binding to S1-RBD
Time Frame: Day 1 to Day 15, Day 29, and Months 6 and 12
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Proportion of subjects with ≥4-fold antibody titer rise over the life of trial measured by IgG antibodies titers measured by direct S1-RBD binding ELISA
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Day 1 to Day 15, Day 29, and Months 6 and 12
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Kinetics and duration of antibody response - GMFI via neutralizing antibodies
Time Frame: Day 1 to Day 15, Day 29, and Months 6 and 12
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Geometric Mean Fold Increase of neutralizing antibodies determined using replicating or pseudotyped virus
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Day 1 to Day 15, Day 29, and Months 6 and 12
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Kinetics and duration of antibody response - GMFI via binding to S1-RBD
Time Frame: Day 1 to Day 15, Day 29, and Months 6 and 12
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Geometric Mean Fold Increase of IgG antibodies titers measured by direct S1-RBD binding ELISA
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Day 1 to Day 15, Day 29, and Months 6 and 12
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Kinetics and duration of antibody response - AUC via neutralizing antibodies
Time Frame: Day 15 to Month 12
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Area under the curve (AUC) by treatment group and virus variants calculated from neutralizing antibody response determined using replicating or pseudotyped virus
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Day 15 to Month 12
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Kinetics and duration of antibody response - AUC via binding to S1-RBD
Time Frame: Day 15 to Month 12
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Area under the curve (AUC) by treatment group and virus variants calculated from IgG antibody response measured by direct S1-RBD binding ELISA
|
Day 15 to Month 12
|
Kinetics and duration of antibody response - GMT via neutralizing antibodies
Time Frame: Days 15, 29, and Months 6 and 12
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Geometric Mean Titers measured by neutralizing antibody response by treatment group and virus variants
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Days 15, 29, and Months 6 and 12
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Kinetics and duration of antibody response - GMT via binding to S1-RBD
Time Frame: Days 15, 29, and Months 6 and 12
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Geometric Mean Titers measured by IgG antibody response measured by direct S1-RBD binding ELISA
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Days 15, 29, and Months 6 and 12
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Kinetics and duration of antibody response - Reverse Cumulative Distribution Curve via neutralizing antibodies
Time Frame: Day 29 and Month 6 and 12
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Distribution of neutralizing antibody titers displayed as reverse cumulative distribution curves by treatment group and virus variants measured by neutralizing antibody response
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Day 29 and Month 6 and 12
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Kinetics and duration of antibody response - Reverse Cumulative Distribution Curve via binding to S1-RBD
Time Frame: Day 29 and Month 6 and 12
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Distribution of IgG antibody titers displayed as reverse cumulative distribution curves by the treatment group and virus variant measured IgG antibody response measured by direct S1-RBD binding ELISA
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Day 29 and Month 6 and 12
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Ability to boost cellular immunity
Time Frame: Days 1, 15 and 29, and Months 6 and 12
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Cytokine secreting spots per million cells and % cells staining for cytokines measured by ELISpot and ICS
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Days 1, 15 and 29, and Months 6 and 12
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Ability to boost humoral immunity (non-neutralizing)
Time Frame: Day 1 and Day 29
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Fc-mediated antibody ADCP (antibody dependent cell-mediated phagocytosis) responses
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Day 1 and Day 29
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Ability to boost humoral immunity (neutralizing) against additional variant - GMT via neutralizing antibodies
Time Frame: Day 1 and Day 29
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Geometric Mean Titers in neutralizing antibody titers measured using additional variant replicating or pseudotyped viruses
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Day 1 and Day 29
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Ability to boost humoral immunity (neutralizing) against additional variant - GMR via neutralizing antibodies
Time Frame: Day 1 and Day 29
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Geometric Mean Titer Ratios in neutralizing antibody titers measured using additional variant replicating or pseudotyped viruses
|
Day 1 and Day 29
|
Ability to boost humoral immunity (neutralizing) against additional variant - GMFI via neutralizing antibodies
Time Frame: Day 1 and Day 29
|
Geometric Mean Fold Increase in neutralizing antibody titers measured additional variant replicating or pseudotyped viruses
|
Day 1 and Day 29
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
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
- Wang C, Horby PW, Hayden FG, Gao GF. A novel coronavirus outbreak of global health concern. Lancet. 2020 Feb 15;395(10223):470-473. doi: 10.1016/S0140-6736(20)30185-9. Epub 2020 Jan 24. No abstract available. Erratum In: Lancet. 2020 Jan 29;:
- Flaxman A, Marchevsky NG, Jenkin D, Aboagye J, Aley PK, Angus B, Belij-Rammerstorfer S, Bibi S, Bittaye M, Cappuccini F, Cicconi P, Clutterbuck EA, Davies S, Dejnirattisai W, Dold C, Ewer KJ, Folegatti PM, Fowler J, Hill AVS, Kerridge S, Minassian AM, Mongkolsapaya J, Mujadidi YF, Plested E, Ramasamy MN, Robinson H, Sanders H, Sheehan E, Smith H, Snape MD, Song R, Woods D, Screaton G, Gilbert SC, Voysey M, Pollard AJ, Lambe T; Oxford COVID Vaccine Trial group. Reactogenicity and immunogenicity after a late second dose or a third dose of ChAdOx1 nCoV-19 in the UK: a substudy of two randomised controlled trials (COV001 and COV002). Lancet. 2021 Sep 11;398(10304):981-990. doi: 10.1016/S0140-6736(21)01699-8. Epub 2021 Sep 1.
- Kanokudom S, Assawakosri S, Suntronwong N, Auphimai C, Nilyanimit P, Vichaiwattana P, Thongmee T, Yorsaeng R, Srimuan D, Thatsanatorn T, Klinfueng S, Sudhinaraset N, Wanlapakorn N, Honsawek S, Poovorawan Y. Safety and Immunogenicity of the Third Booster Dose with Inactivated, Viral Vector, and mRNA COVID-19 Vaccines in Fully Immunized Healthy Adults with Inactivated Vaccine. Vaccines (Basel). 2022 Jan 6;10(1):86. doi: 10.3390/vaccines10010086.
- Petrosillo N, Viceconte G, Ergonul O, Ippolito G, Petersen E. COVID-19, SARS and MERS: are they closely related? Clin Microbiol Infect. 2020 Jun;26(6):729-734. doi: 10.1016/j.cmi.2020.03.026. Epub 2020 Mar 28.
- Matthes H, Herbst H, Schuppan D, Stallmach A, Milani S, Stein H, Riecken EO. [Distribution of procollagen transcripts in chronic inflammatory bowel diseases using in situ hybridization]. Verh Dtsch Ges Inn Med. 1991;97:12-7. No abstract available. German.
Helpful Links
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)
March 16, 2022
Primary Completion (Anticipated)
November 1, 2022
Study Completion (Anticipated)
September 1, 2023
Study Registration Dates
First Submitted
March 21, 2022
First Submitted That Met QC Criteria
March 21, 2022
First Posted (Actual)
March 24, 2022
Study Record Updates
Last Update Posted (Actual)
October 14, 2022
Last Update Submitted That Met QC Criteria
October 11, 2022
Last Verified
October 1, 2022
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- UB-612-305
- U1111-1276-9528 (Other Identifier: WHO)
- 2022-000088-38 (EudraCT Number)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
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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