Clinical Research Directory
Browse clinical research sites, groups, and studies.
Efficacy Study of COVID-19 mRNA Vaccine in Regions With SARS-CoV-2 Variants of Concern
Sponsor: COVID-19 Prevention Network
Summary
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.
Official title: Multi-Center, Randomized, Efficacy Study of COVID-19 mRNA Vaccine in Regions With SARS-CoV-2 Variants of Concern
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
14237
Start Date
2021-12-01
Completion Date
2024-04-19
Last Updated
2026-04-21
Healthy Volunteers
No
Interventions
Moderna mRNA-1273
COVID-19 vaccine (mRNA-1273) developed by Moderna, Inc. is a lipid nanoparticle (LNP) dispersion of a messenger ribonucleic acid (mRNA) encoding the prefusion stabilized S protein of SARS-CoV-2 formulated in LNPs composed of 4 lipids (1 proprietary and 3 commercially available).
Moderna mRNA-1273.222
COVID-19 vaccine (mRNA-1273.222) developed by Moderna, Inc. is an updated bivalent version of Moderna's mRNA-1273 vaccine, composed of equal parts of mRNA-1273 and mRNA that encodes the S protein of the Omicron subvariants BA.4/.5 (which have the same S protein).
Vaccine 3 Dose
COVID-19 mRNA vaccine in 100 mcg dose given as IM injection into the deltoid muscle on Months 0, 1, and 6.
Vaccine 2 Dose
COVID-19 mRNA vaccine is to be administered as IM injection into the deltoid muscle on Months 0 and 6.
Locations (47)
Gaborone CRS
Gaborone, Botswana
Eswatini Prevention Center CRS
Mbabane, Hhohho Region, Eswatini
Moi University Clinical Research Centre
Eldoret, Kenya
Kisumu - Kombewa CRS
Kisumu, Kenya
Kisumu Crs
Kisumu, Kenya
Blantyre CRS
Blantyre, Malawi
Malawi CRS
Lilongwe, Malawi
Synergy Biomed Research Institute
East London, Eastern Cape, South Africa
Nelson Mandela Academic Research Unit CRS
Mthatha, Eastern Cape, South Africa
PHOENIX Pharma (Pty) Ltd
Port Elizabeth, Eastern Cape, South Africa
Josha Resarch CRS
Bloemfontein, Free State, South Africa
MeCRU CRS
Ga-Rankuwa, Gauteng, South Africa
Clinical HIV Research Unit (CHRU)/ Helen Joseph CRS
Johannesburg, Gauteng, South Africa
Newtown Clinical Research
Johannesburg, Gauteng, South Africa
Soweto - Bara CRS
Johannesburg, Gauteng, South Africa
Wits RHI Ward 21 CRS
Johannesburg, Gauteng, South Africa
MERC Kempton Park
Pretoria, Gauteng, South Africa
Synexus Stanza Clinical Research Centre (CRS)
Pretoria, Gauteng, South Africa
Tembisa Clinic 4 CoVPN CRS
Tembisa, Gauteng, South Africa
CAPRISA eThekwini CRS
Durban, KwaZulu-Natal, South Africa
Tongaat CRS
Durban, KwaZulu-Natal, South Africa
Vulindlela CRS
Durban, KwaZulu-Natal, South Africa
Isipingo CRS
Isipingo, KwaZulu-Natal, South Africa
Qhakaza Mbokodo Research Clinic CRS
Ladysmith, KwaZulu-Natal, South Africa
MERC Middelburg
Middelburg, Mpumalanga, South Africa
Aurum Institute Klerksdorp CRS
Klerksdorp, North West, South Africa
Rustenburg CRS
Rustenburg, North West, South Africa
Emavundleni CRS
Cape Town, Western Cape, South Africa
FAM-CRU (Family Clinical Research Unit)
Cape Town, Western Cape, South Africa
Groote Schuur HIV CRS
Cape Town, Western Cape, South Africa
Masiphumelele Clinical Research Site (MASI) CRS
Cape Town, Western Cape, South Africa
TASK Central
Cape Town, Western Cape, South Africa
Univeristy of Cape Town Lung CRS Institute
Cape Town, Western Cape, South Africa
TASK Eden
George, Western Cape, South Africa
Synexus Helderberg
Stellenbosch, Western Cape, South Africa
Ndlovu Research Centre CoVPN CRS
Elandsdoorn, South Africa
Kliptown Soweto CRS
Johannesburg, South Africa
PHRU Matlosana CRS
Klerksdorp, South Africa
MERC Welkom
Welkom, South Africa
UVRI-IAVI HIV Vaccine Program LTD. CRS
Entebbe, Uganda
Baylor-Uganda CRS
Kampala, Uganda
Joint Clinical Research Centre
Kampala, Uganda
MU-JHU Research Collaboration CRS
Kampala, Uganda
Cfhrz Crs
Lusaka, Zambia
Matero Reference Clinic CRS
Lusaka, Zambia
UNC Global Projects / Kamwala District Health Centre
Lusaka, Zambia
Zambia Emory HIV Research Project - Ndola CoVPN CRS
Ndola, Zambia