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Page 1
Immunogenicity of the Ad26.COV2.S Vaccine for COVID-19.
Stephenson KE, Le Gars M, Sadoff J, de Groot AM, Heerwegh D, Truyers C, Atyeo C, Loos C, Chandrashekar A, McMahan K, Tostanoski LH, Yu J, Gebre MS, Jacob-Dolan C, Li Z, Patel S, Peter L, Liu J, Borducchi EN, Nkolola JP, Souza M, Tan CS, Zash R, Julg B, Nathavitharana RR, Shapiro RL, Azim AA, Alonso CD, Jaegle K, Ansel JL, Kanjilal DG, Guiney CJ, Bradshaw C, Tyler A, Makoni T, Yanosick KE, Seaman MS, Lauffenburger DA, Alter G, Struyf F, Douoguih M, Van Hoof J, Schuitemaker H, Barouch DH. Stephenson KE, et al. Among authors: de groot am. JAMA. 2021 Apr 20;325(15):1535-1544. doi: 10.1001/jama.2021.3645. JAMA. 2021. PMID: 33704352 Free PMC article. Clinical Trial.
SARS-CoV-2 Viral Load in the Nasopharynx at Time of First Infection Among Unvaccinated Individuals: A Secondary Cross-Protocol Analysis of 4 Randomized Trials.
Fisher LH, Kee JJ, Liu A, Espinosa CM, Randhawa AK, Ludwig J, Magaret CA, Robinson ST, Gilbert PB, Hyrien O, Kublin JG, Rouphael N, Falsey AR, Sobieszczyk ME, El Sahly HM, Grinsztejn B, Gray GE, Kotloff KL, Gay CL, Leav B, Hirsch I, Struyf F, Dunkle LM, Neuzil KM, Corey L, Huang Y, Goepfert PA, Walsh SR, Baden LR, Janes H; COVID-19 Prevention Network (CoVPN). Fisher LH, et al. JAMA Netw Open. 2024 May 1;7(5):e2412835. doi: 10.1001/jamanetworkopen.2024.12835. JAMA Netw Open. 2024. PMID: 38780941 Free PMC article.
Immunogenicity of Ad26.COV2.S vaccine against SARS-CoV-2 variants in humans.
Alter G, Yu J, Liu J, Chandrashekar A, Borducchi EN, Tostanoski LH, McMahan K, Jacob-Dolan C, Martinez DR, Chang A, Anioke T, Lifton M, Nkolola J, Stephenson KE, Atyeo C, Shin S, Fields P, Kaplan I, Robins H, Amanat F, Krammer F, Baric RS, Le Gars M, Sadoff J, de Groot AM, Heerwegh D, Struyf F, Douoguih M, van Hoof J, Schuitemaker H, Barouch DH. Alter G, et al. Among authors: de groot am. Nature. 2021 Aug;596(7871):268-272. doi: 10.1038/s41586-021-03681-2. Epub 2021 Jun 9. Nature. 2021. PMID: 34107529 Free PMC article. Clinical Trial.
Safety, immunogenicity and pregnancy outcomes in mothers and infants after vaccination with an adenovirus-vector COVID-19 vaccine during pregnancy.
Aguilar G, Tapia-Calle G, Robinson C, Baron B, Lowson D, Maximos B, Rezelj VV, de Groot AM, Bet N, van Paassen V, Le Gars M, Struyf F, Ruiz-Guiñazú J. Aguilar G, et al. Among authors: de groot am. Hum Vaccin Immunother. 2025 Dec;21(1):2538340. doi: 10.1080/21645515.2025.2538340. Epub 2025 Aug 13. Hum Vaccin Immunother. 2025. PMID: 40808283 Free PMC article. Clinical Trial.
Evaluating the Test-Negative Design for COVID-19 Vaccine Effectiveness Using Randomized Trial Data: A Secondary Cross-Protocol Analysis of 5 Randomized Clinical Trials.
Andrews LIB, Halloran ME, Neuzil KM, van der Laan L, Huang Y, Andriesen J, Patel M, Fisher LH, Janes H, Rouphael N, Walsh SR, Theodore DA, Tieu HV, Sobieszczyk M, El Sahly HM, Baden LR, Falsey AR, Campbell TB, Kelley CF, Healy CM, Immergluck L, Luft B, Hirsch I, de Bruyn G, Truyers C, Priddy F, Sumner KM, Flannery B, Follmann D, Gilbert PB; COVID-19 Prevention Network (CoVPN). Andrews LIB, et al. JAMA Netw Open. 2025 May 1;8(5):e2512763. doi: 10.1001/jamanetworkopen.2025.12763. JAMA Netw Open. 2025. PMID: 40434773 Free PMC article.
Passive transfer of Ad26.COV2.S-elicited IgG from humans attenuates SARS-CoV-2 disease in hamsters.
Tostanoski LH, Chandrashekar A, Patel S, Yu J, Jacob-Dolan C, Chang A, Powers OC, Sellers D, Gardner S, Barrett J, Sanborn O, Stephenson KE, Ansel JL, Jaegle K, Seaman MS, Porto M, Lok M, Spence B, Cayer K, Nase D, Holman S, Bradette H, Kar S, Andersen H, Lewis MG, Cox F, Tolboom JTBM, de Groot AM, Heerwegh D, Le Gars M, Sadoff J, Wegmann F, Zahn RC, Schuitemaker H, Barouch DH. Tostanoski LH, et al. Among authors: de groot am. NPJ Vaccines. 2022 Jan 10;7(1):2. doi: 10.1038/s41541-021-00427-z. NPJ Vaccines. 2022. PMID: 35013325 Free PMC article.
Durable Humoral and Cellular Immune Responses 8 Months after Ad26.COV2.S Vaccination.
Barouch DH, Stephenson KE, Sadoff J, Yu J, Chang A, Gebre M, McMahan K, Liu J, Chandrashekar A, Patel S, Le Gars M, de Groot AM, Heerwegh D, Struyf F, Douoguih M, van Hoof J, Schuitemaker H. Barouch DH, et al. Among authors: de groot am. N Engl J Med. 2021 Sep 2;385(10):951-953. doi: 10.1056/NEJMc2108829. Epub 2021 Jul 14. N Engl J Med. 2021. PMID: 34260834 Free PMC article. No abstract available.
Clinical and Demographic Factors Associated With COVID-19, Severe COVID-19, and SARS-CoV-2 Infection in Adults: A Secondary Cross-Protocol Analysis of 4 Randomized Clinical Trials.
Theodore DA, Branche AR, Zhang L, Graciaa DS, Choudhary M, Hatlen TJ, Osman R, Babu TM, Robinson ST, Gilbert PB, Follmann D, Janes H, Kublin JG, Baden LR, Goepfert P, Gray GE, Grinsztejn B, Kotloff KL, Gay CL, Leav B, Miller J, Hirsch I, Sadoff J, Dunkle LM, Neuzil KM, Corey L, Falsey AR, El Sahly HM, Sobieszczyk ME, Huang Y; COVID-19 Prevention Network (CoVPN). Theodore DA, et al. JAMA Netw Open. 2023 Jul 3;6(7):e2323349. doi: 10.1001/jamanetworkopen.2023.23349. JAMA Netw Open. 2023. PMID: 37440227 Free PMC article.
Durable Humoral and Cellular Immune Responses Following Ad26.COV2.S Vaccination for COVID-19.
Barouch DH, Stephenson KE, Sadoff J, Yu J, Chang A, Gebre M, McMahan K, Liu J, Chandrashekar A, Patel S, Le Gars M, de Groot AM, Heerwegh D, Struyf F, Douoguih M, van Hoof J, Schuitemaker H. Barouch DH, et al. Among authors: de groot am. medRxiv [Preprint]. 2021 Jul 7:2021.07.05.21259918. doi: 10.1101/2021.07.05.21259918. medRxiv. 2021. Update in: N Engl J Med. 2021 Sep 2;385(10):951-953. doi: 10.1056/NEJMc2108829. PMID: 34268527 Free PMC article. Updated. Preprint.
Interim Results of a Phase 1-2a Trial of Ad26.COV2.S Covid-19 Vaccine.
Sadoff J, Le Gars M, Shukarev G, Heerwegh D, Truyers C, de Groot AM, Stoop J, Tete S, Van Damme W, Leroux-Roels I, Berghmans PJ, Kimmel M, Van Damme P, de Hoon J, Smith W, Stephenson KE, De Rosa SC, Cohen KW, McElrath MJ, Cormier E, Scheper G, Barouch DH, Hendriks J, Struyf F, Douoguih M, Van Hoof J, Schuitemaker H. Sadoff J, et al. Among authors: de groot am. N Engl J Med. 2021 May 13;384(19):1824-1835. doi: 10.1056/NEJMoa2034201. Epub 2021 Jan 13. N Engl J Med. 2021. PMID: 33440088 Free PMC article. Clinical Trial.
36 results