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About
The study will evaluate the clinical efficacy of different dosing regimens of the Moderna COVID-19 mRNA vaccine (100 mcg) in preventing COVID-19 disease in people who are living with HIV or have comorbidities associated with elevated risk of severe COVID-19, with the different vaccine regimens assessed determined by whether the participant had evidence of prior SARS-CoV-2 infection at enrollment.
Full description
The study is constructed to help inform which vaccine regimen, likely in combination with enhanced HIV care, could serve as a public health model for an effective and cost-efficient approach to preventing SARS-CoV-2 disease, prolonged viral shedding, and the emergence of VOCs within this population. Moreover, we will evaluate whether immune responses postvaccination can be correlated to these clinically important outcomes.
The study will enroll 15,600 adults from many clinics in Eastern and Southern Africa. All participants in the study will get the study vaccine. There are 4 primary groups in this study. The groups differ in the number of doses of the study vaccine administered. The groups are organized by whether or not people are living with HIV and whether or not people have evidence of prior SARS-CoV-2 infection in their blood.
Group 1 includes people living with HIV and Group 3 includes people who are not living with HIV. All people in groups 1 and 3 will have no evidence of prior SARS-CoV-2 infection in their blood. Participants in Group 1 or Group 3 will get three doses of the study vaccine.
Group 2 includes people living with HIV and Group 4 includes people who are not living with HIV. All people in groups 2 and 4 will have evidence of prior SARS-CoV-2 infection in their blood. Participants in Group 2 or Group 4 will get two doses of the study vaccine.
There are 8 scheduled clinic visits over 18 months. Study visits may include physical examinations, medical history, vaccine injections, HIV testing, blood collection, nasal swabs, and questionnaires.
Enrollment
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Inclusion criteria
General and Demographic Criteria
Age ≥ 18 years if participant self-reports living with HIV or another comorbidity known to be associated with severe COVID-19, for example (CDC.gov for exhaustive list):
Willingness to be followed and remain in the catchment area for the planned duration of the study.
Ability and willingness to provide informed consent.
Willingness to discuss HIV infection status, undergo related testing/monitoring labs, and receive counseling and referrals to minimize HIV acquisition/improve HIV care as appropriate based on their infection status.
Assessment of Understanding (AoU): Participant demonstrates understanding of this study; completes a questionnaire prior to first vaccination with demonstration of understanding of all questionnaire items answered incorrectly.
Agrees not to enroll in another interventional study of an investigational research agent until after the study is completed and all the data has been obtained. Enrollment in studies of investigational research agents for the treatment of COVID-19 is allowed for participants who develop COVID-19 disease.
Exclusion criteria
General
Acutely ill 72 hours prior to or at screening. Participants meeting this criterion may be rescheduled within the relevant window periods. Participants with minor illnesses can be enrolled at the discretion of the investigator.
History of angioedema or anaphylaxis.
Vaccines and other injections
Prior receipt of a SARS-CoV-2 vaccine.
History of severe allergic reaction to any ingredient of this vaccine (lipids (SM-102, polyethylene glycol [PEG] 2000 dimyristoyl glycerol [DMG], cholesterol, and 1,2-distearoyl-sn-glycero-3-phosphocholine [DSPC]), tromethamine, tromethamine hydrochloride, acetic acid, sodium acetate trihydrate, and sucrose).
Live attenuated vaccines received within 30 days before first vaccination (eg, measles, mumps, and rubella [MMR]; oral polio vaccine [OPV]; varicella; yellow fever; live attenuated influenza vaccine, live attenuated zoster vaccine).
Any vaccines that are not live attenuated vaccines and were received within 14 days prior to first vaccination (eg, tetanus, human papilloma virus (HPV), pneumococcal, Hepatitis A or B).
Blood products, systemic immunoglobulins, or monoclonal antibodies (including against SARS-CoV-2) received within 90 days before first vaccination.
Primary purpose
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Interventional model
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14,237 participants in 6 patient groups
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Data sourced from clinicaltrials.gov
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