Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

32 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK.
Voysey M, Clemens SAC, Madhi SA, Weckx LY, Folegatti PM, Aley PK, Angus B, Baillie VL, Barnabas SL, Bhorat QE, Bibi S, Briner C, Cicconi P, Collins AM, Colin-Jones R, Cutland CL, Darton TC, Dheda K, Duncan CJA, Emary KRW, Ewer KJ, Fairlie L, Faust SN, Feng S, Ferreira DM, Finn A, Goodman AL, Green CM, Green CA, Heath PT, Hill C, Hill H, Hirsch I, Hodgson SHC, Izu A, Jackson S, Jenkin D, Joe CCD, Kerridge S, Koen A, Kwatra G, Lazarus R, Lawrie AM, Lelliott A, Libri V, Lillie PJ, Mallory R, Mendes AVA, Milan EP, Minassian AM, McGregor A, Morrison H, Mujadidi YF, Nana A, O'Reilly PJ, Padayachee SD, Pittella A, Plested E, Pollock KM, Ramasamy MN, Rhead S, Schwarzbold AV, Singh N, Smith A, Song R, Snape MD, Sprinz E, Sutherland RK, Tarrant R, Thomson EC, Török ME, Toshner M, Turner DPJ, Vekemans J, Villafana TL, Watson MEE, Williams CJ, Douglas AD, Hill AVS, Lambe T, Gilbert SC, Pollard AJ; Oxford COVID Vaccine Trial Group. Voysey M, et al. Among authors: clemens sac. Lancet. 2021 Jan 9;397(10269):99-111. doi: 10.1016/S0140-6736(20)32661-1. Epub 2020 Dec 8. Lancet. 2021. PMID: 33306989 Free PMC article. Clinical Trial.
Immunogenicity and safety of a novel monovalent high-dose inactivated poliovirus type 2 vaccine in infants: a comparative, observer-blind, randomised, controlled trial.
Sáez-Llorens X, Clemens R, Leroux-Roels G, Jimeno J, Clemens SA, Weldon WC, Oberste MS, Molina N, Bandyopadhyay AS. Sáez-Llorens X, et al. Lancet Infect Dis. 2016 Mar;16(3):321-30. doi: 10.1016/S1473-3099(15)00488-0. Epub 2015 Dec 21. Lancet Infect Dis. 2016. PMID: 26719058 Free PMC article. Clinical Trial.
Humoral and intestinal immunity induced by new schedules of bivalent oral poliovirus vaccine and one or two doses of inactivated poliovirus vaccine in Latin American infants: an open-label randomised controlled trial.
Asturias EJ, Bandyopadhyay AS, Self S, Rivera L, Saez-Llorens X, Lopez E, Melgar M, Gaensbauer JT, Weldon WC, Oberste MS, Borate BR, Gast C, Clemens R, Orenstein W, O'Ryan G M, Jimeno J, Clemens SA, Ward J, Rüttimann R; Latin American IPV001BMG Study Group. Asturias EJ, et al. Lancet. 2016 Jul 9;388(10040):158-69. doi: 10.1016/S0140-6736(16)00703-0. Epub 2016 May 19. Lancet. 2016. PMID: 27212429 Clinical Trial.
Correlates of protection against symptomatic and asymptomatic SARS-CoV-2 infection.
Feng S, Phillips DJ, White T, Sayal H, Aley PK, Bibi S, Dold C, Fuskova M, Gilbert SC, Hirsch I, Humphries HE, Jepson B, Kelly EJ, Plested E, Shoemaker K, Thomas KM, Vekemans J, Villafana TL, Lambe T, Pollard AJ, Voysey M; Oxford COVID Vaccine Trial Group. Feng S, et al. Nat Med. 2021 Nov;27(11):2032-2040. doi: 10.1038/s41591-021-01540-1. Epub 2021 Sep 29. Nat Med. 2021. PMID: 34588689 Free PMC article.
Efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine against SARS-CoV-2 lineages circulating in Brazil.
Clemens SAC, Folegatti PM, Emary KRW, Weckx LY, Ratcliff J, Bibi S, De Almeida Mendes AV, Milan EP, Pittella A, Schwarzbold AV, Sprinz E, Aley PK, Bonsall D, Fraser C, Fuskova M, Gilbert SC, Jenkin D, Kelly S, Kerridge S, Lambe T, Marchevsky NG, Mujadidi YF, Plested E, Ramasamy MN, Simmonds P, Golubchik T, Voysey M, Pollard AJ; AMPHEUS Project; Oxford COVID Vaccine Trial Team. Clemens SAC, et al. Nat Commun. 2021 Oct 6;12(1):5861. doi: 10.1038/s41467-021-25982-w. Nat Commun. 2021. PMID: 34615860 Free PMC article. Clinical Trial.
Efficacy of the adjuvanted subunit protein COVID-19 vaccine, SCB-2019: a phase 2 and 3 multicentre, double-blind, randomised, placebo-controlled trial.
Bravo L, Smolenov I, Han HH, Li P, Hosain R, Rockhold F, Clemens SAC, Roa C Jr, Borja-Tabora C, Quinsaat A, Lopez P, López-Medina E, Brochado L, Hernández EA, Reynales H, Medina T, Velasquez H, Toloza LB, Rodriguez EJ, de Salazar DIM, Rodríguez CA, Sprinz E, Cerbino-Neto J, Luz KG, Schwarzbold AV, Paiva MS, Carlos J, Montellano MEB, de Los Reyes MRA, Yu CY, Alberto ER, Panaligan MM, Salvani-Bautista M, Buntinx E, Hites M, Martinot JB, Bhorat QE, Badat A, Baccarini C, Hu B, Jurgens J, Engelbrecht J, Ambrosino D, Richmond P, Siber G, Liang J, Clemens R. Bravo L, et al. Among authors: clemens sac, clemens r. Lancet. 2022 Jan 29;399(10323):461-472. doi: 10.1016/S0140-6736(22)00055-1. Epub 2022 Jan 20. Lancet. 2022. PMID: 35065705 Free PMC article. Clinical Trial.
Impact of previous exposure to SARS-CoV-2 and of S-Trimer (SCB-2019) COVID-19 vaccination on the risk of reinfection: a randomised, double-blinded, placebo-controlled, phase 2 and 3 trial.
Smolenov I, Han HH, Li P, Baccarini C, Verhoeven C, Rockhold F, Clemens SAC, Ambrosino D, Richmond P, Siber G, Liang J, Clemens R; SPECTRA Study Group. Smolenov I, et al. Among authors: clemens sac, clemens r. Lancet Infect Dis. 2022 Jul;22(7):990-1001. doi: 10.1016/S1473-3099(22)00144-X. Epub 2022 Apr 18. Lancet Infect Dis. 2022. PMID: 35447085 Free PMC article. Clinical Trial.
Evaluation of the safety, immunogenicity, and faecal shedding of novel oral polio vaccine type 2 in healthy newborn infants in Bangladesh: a randomised, controlled, phase 2 clinical trial.
Zaman K, Bandyopadhyay AS, Hoque M, Gast C, Yunus M, Jamil KM, Mainou BA, Konopka-Anstadt JL, Hendley WS, Vincent A, Clemens R, Clemens SAC, Ross AG, Clemens JD, Tritama E. Zaman K, et al. Among authors: clemens sac. Lancet. 2023 Jan 14;401(10371):131-139. doi: 10.1016/S0140-6736(22)02397-2. Epub 2022 Dec 7. Lancet. 2023. PMID: 36495882 Free PMC article. Clinical Trial.
32 results