The COVID-19 Back-to-Normal Study
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04832932 |
Recruitment Status :
Recruiting
First Posted : April 6, 2021
Last Update Posted : July 28, 2022
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During the study, members of different online and offline communities will be followed post COVID-19 vaccination.
Injection-site (local) and systemic reaction data will be assessed on vaccination day and afterwards using either web surveys or personal communication, depending on study participant preference.
Hypothesis to be tested: The safety profile and the magnitude and durability of immune responses to the COVID-19 vaccines as well as adverse reactions depend on health conditions, metabolism and microbiomes.
Condition or disease | Intervention/treatment |
---|---|
COVID-19 Vaccines | Biological: COVID-19 vaccines |
Study Type : | Observational |
Estimated Enrollment : | 1000 participants |
Observational Model: | Other |
Time Perspective: | Prospective |
Official Title: | A Phenotypic Study of Safety, Tolerability, Reactogenicity, Immunogenicity, and Virus Shedding With Post-Vaccination Infections of Emergency-Use-Authorized Vaccines Against COVID-19 |
Actual Study Start Date : | June 15, 2021 |
Estimated Primary Completion Date : | September 15, 2022 |
Estimated Study Completion Date : | April 15, 2023 |

Group/Cohort | Intervention/treatment |
---|---|
80 years of age or older
individuals 80 years of age and older who received COVID-19 vaccine
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Biological: COVID-19 vaccines
Emergency-use authorized COVID-19 vaccines
Other Names:
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65-79 years of age
individuals 65-74 years of age who received COVID-19 vaccine
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Biological: COVID-19 vaccines
Emergency-use authorized COVID-19 vaccines
Other Names:
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50-64 years of age
Individuals in 18-64 age range who received COVID-19 vaccine
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Biological: COVID-19 vaccines
Emergency-use authorized COVID-19 vaccines
Other Names:
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18-49 years of age
Individuals in 18-49 age range who received COVID-19 vaccine
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Biological: COVID-19 vaccines
Emergency-use authorized COVID-19 vaccines
Other Names:
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MEBO/PATM
Individuals in 18-69 age range with present or past MEBO/PATM symptoms who received COVID-19 vaccine
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Biological: COVID-19 vaccines
Emergency-use authorized COVID-19 vaccines
Other Names:
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- Adverse reactions/events [ Time Frame: 10 days after any dose of study intervention. ]Percentage of occurrence, types, duration and severity of adverse events occurring within 10 days post-doses 1 and 2
- Long-term adverse events [ Time Frame: Throughout the study period, until 12 months post-final-dose ]Percentage of occurrence, types, duration and severity of adverse events throughout study period
- Incidence of COVID-19 cases [ Time Frame: From 14 days after completion of the 2-dose regimen up to 12 months post-final-dose ]The number of COVID-19 cases occurring <=14 or ≥ 15 days after any dose of study intervention.

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Sampling Method: | Probability Sample |
Inclusion Criteria:
- Individuals 18 or older at the time of consent
- Intention to vaccinate and of being available for entire study period
Exclusion Criteria:
- Any illness or condition that in the opinion of the investigator may affect the safety of the participant or the evaluation of any study endpoint.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04832932
Contact: Maria de la Torre | (786) 228-6880 | studies@aurametrix.com |
United States, Florida | |
MEBO Research, Inc | Recruiting |
Miami, Florida, United States, 33175 | |
Contact: Maria de la Torre 786-228-6880 maria.delatorre@meboresearch.org | |
Contact: Michael Arenibar, MBA | |
United States, Tennessee | |
Kahite | Recruiting |
Vonore, Tennessee, United States, 37885 | |
Contact: Irene G Allsup, PhD 408-341-9355 studies@aurametrix.com | |
Contact: Lavonne Mitchell | |
Georgia | |
Irene Gabashvili | Recruiting |
Tbilisi, Georgia | |
Contact: Irene Gabashvili, PhD studies@aurametrix.com | |
Kenya | |
MEBO Research Africa | Recruiting |
Kilifi, Kenya, 8 010 | |
Contact: Oscar Ikinya meboafrica@gmail.com | |
United Kingdom | |
Mebo Research (Uk) | Recruiting |
London, England, United Kingdom, W10 5LE | |
Contact: Cole Flaherty cole@meboresearch.co.uk | |
Contact: Maria de la Torre maria.delatorre@meboresearch.org |
Principal Investigator: | Irene Gabashvili, PhD | Mebo Research, Inc. |
Responsible Party: | Mebo Research, Inc. |
ClinicalTrials.gov Identifier: | NCT04832932 |
Other Study ID Numbers: |
20210103MEBO |
First Posted: | April 6, 2021 Key Record Dates |
Last Update Posted: | July 28, 2022 |
Last Verified: | July 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Plan Description: | individual participant data will remain confidential, unless specifically requested to be shared by the participant |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | Yes |
Drug-Related Side Effects and Adverse Reactions Long-term adverse effects Immunogenicity, Vaccine COVID-19 |
COVID-19 Respiratory Tract Infections Infections Pneumonia, Viral Pneumonia Virus Diseases |
Coronavirus Infections Coronaviridae Infections Nidovirales Infections RNA Virus Infections Lung Diseases Respiratory Tract Diseases |