Basic Information

Gene symbol S Synonyms E2 Type of gene protein-coding
Gene perturbation-related omics dataset PerturbAtlas
Description spike glycoprotein

GTO ID GTC0545
Trial ID NCT04785144
Disease COVID-19
Altered gene S
Therapeutic/Target gene Therapeutic gene
TherapymRNA vaccine
Treatment mRNA-1273.351
PhasePhase1
Recruitment statusCompleted
TitlePhase 1, Open-Label, Randomized Study of the Safety and Immunogenicity of a SARS-CoV-2 Variant Vaccine (mRNA-1273.351) in Naïve and Previously Vaccinated Adults
Year2021
CountryUnited States
Company sponsorNational Institute of Allergy and Infectious Diseases (NIAID)
Other ID(s)21-0002|5UM1AI148373-03
Vector information
Vectorlipid nanoparticle

Clinical Result

Cohort1: mRNA-1273.351_dose level 2
Administration route intramuscular injection
Dosage mRNA-1273.351, 0.5 mL, 50 mcg
Pts 25
Age Adult, Older_Adult
Outcome Number of Participants With Any Medically-attended Adverse Events (MAAEs):1(4.0%)|Frequency of Any New-onset Chronic Medical Conditions (NOCMCs):0(0.0%)|Frequency of Any Protocol Specified Adverse Events of Special Interest (AESIs):1(4.0%)|Frequency of Any Serious Adverse Events (SAEs):0(0.0%)|Frequency of Solicited Reactogenicity Adverse Events (AEs):Local Events:24(96.0%); Systemic Events:22(88.0%)|Grade of Solicited Reactogenicity Adverse Events (AEs):None:1(4.0%); Mild:4(16.0%); Moderate:18(72.0%); Severe:2(8.0%)|Frequency of Unsolicited Adverse Events (AEs) by Relationship to Study Product:Not Related:10; Related:12|Grade of Any Unsolicited Adverse Events (AEs):Mild:14; Moderate:6; Severe:2
Adverse reactions No serious clinical adverse events
References PMID: 35547849
Cohort2: mRNA-1273.351_dose level 1_mRNA-1273_dose level 1
Administration route intramuscular injection
Dosage mRNA-1273.351, 0.5 mL, 25 mcg; mRNA-1273, 0.5 mL, 25 mcg
Pts 23
Age Adult, Older_Adult
Outcome Number of Participants With Any Medically-attended Adverse Events (MAAEs):1(4.3%)|Frequency of Any New-onset Chronic Medical Conditions (NOCMCs):1(4.3%)|Frequency of Any Protocol Specified Adverse Events of Special Interest (AESIs):1(4.3%)|Frequency of Any Serious Adverse Events (SAEs):1(4.3%)|Frequency of Solicited Reactogenicity Adverse Events (AEs):Local Events:20(87.0%); Systemic Events:20(87.0%)|Grade of Solicited Reactogenicity Adverse Events (AEs):None:1(4.3%); Mild:6(26.1%); Moderate:13(56.5%); Severe:3(13.0%)|Frequency of Unsolicited Adverse Events (AEs) by Relationship to Study Product:Not Related:11; Related:3|Grade of Any Unsolicited Adverse Events (AEs):Mild:7; Moderate:6; Severe:1
Adverse reactions 0/23(All-cause mortality); 1/23(Nervous system disorders)
References PMID: 35547849
Cohort3: mRNA-1273.351_dose level 2_Day 57_mRNA-1273_dose level 3_Days 1 and 29
Administration route intramuscular injection
Dosage mRNA-1273, 0.5 mL, 100 mcg, on Days 1 and 29; mRNA-1273.351, 0.5 mL, 50 mcg, on Day 57
Pts 5
Age Adult, Older_Adult
Outcome Number of Participants With Any Medically-attended Adverse Events (MAAEs):0(0.0%)|Frequency of Any New-onset Chronic Medical Conditions (NOCMCs):1(20.0%)|Frequency of Any Protocol Specified Adverse Events of Special Interest (AESIs):1(20.0%)|Frequency of Any Serious Adverse Events (SAEs):0(0.0%)|Frequency of Solicited Reactogenicity Adverse Events (AEs):Local Events:5(100.0%); Systemic Events:5(100.0%)|Grade of Solicited Reactogenicity Adverse Events (AEs):None:0(0.0%); Mild:0(0.0%); Moderate:2(40.0%); Severe:3(60.0%)|Frequency of Unsolicited Adverse Events (AEs) by Relationship to Study Product:Not Related:4; Related:3|Grade of Any Unsolicited Adverse Events (AEs):Mild:4; Moderate:3; Severe:0
Adverse reactions No serious clinical adverse events
References PMID: 35547849
Cohort4: mRNA-1273.351_dose level 2_Day 57_mRNA-1273_dose level 2_Days 1 and 29
Administration route intramuscular injection
Dosage mRNA-1273, 0.5 mL, 50 mcg, on Days 1 and 29; mRNA-1273.351, 0.5 mL, 50 mcg, on Day 57
Pts 6
Age Adult, Older_Adult
Outcome Number of Participants With Any Medically-attended Adverse Events (MAAEs):0(0.0%)|Frequency of Any New-onset Chronic Medical Conditions (NOCMCs):0(0.0%)|Frequency of Any Protocol Specified Adverse Events of Special Interest (AESIs):0(0.0%)|Frequency of Any Serious Adverse Events (SAEs):0(0.0%)|Frequency of Solicited Reactogenicity Adverse Events (AEs):Local Events:6(100.0%); Systemic Events:6(100.0%)|Grade of Solicited Reactogenicity Adverse Events (AEs):None:0(0.0%); Mild:2(33.3%); Moderate:4(66.7%); Severe:0(0.0%)|Frequency of Unsolicited Adverse Events (AEs) by Relationship to Study Product:Not Related:5; Related:1|Grade of Any Unsolicited Adverse Events (AEs):Mild:4; Moderate:2; Severe:0
Adverse reactions No serious clinical adverse events
References PMID: 35547849
Cohort5: mRNA-1273_dose level 3_Days 1 and 29
Administration route intramuscular injection
Dosage mRNA-1273.351, 0.5 mL, 100 mcg, on Days 1 and 29
Pts 12
Age Adult, Older_Adult
Outcome Number of Participants With Any Medically-attended Adverse Events (MAAEs):0(0.0%)|Frequency of Any New-onset Chronic Medical Conditions (NOCMCs):0(0.0%)|Frequency of Any Protocol Specified Adverse Events of Special Interest (AESIs):0(0.0%)|Frequency of Any Serious Adverse Events (SAEs):0(0.0%)|Frequency of Solicited Reactogenicity Adverse Events (AEs):Local Events:10(83.3%); Systemic Events:12(100.0%)|Grade of Solicited Reactogenicity Adverse Events (AEs):None:0(0.0%); Mild:2(16.7%); Moderate:6(50.0%); Severe:4(33.3%)|Frequency of Unsolicited Adverse Events (AEs) by Relationship to Study Product:Not Related:6; Related:5|Grade of Any Unsolicited Adverse Events (AEs):Mild:9; Moderate:1; Severe:1
Adverse reactions No serious clinical adverse events
References PMID: 35547849
Cohort6: mRNA-1273_dose level 2_Days 1 and 29
Administration route intramuscular injection
Dosage mRNA-1273.351, 0.5 mL, 50 mcg, , on Days 1 and 29
Pts 13
Age Adult, Older_Adult
Outcome Number of Participants With Any Medically-attended Adverse Events (MAAEs):0(0.0%)|Frequency of Any New-onset Chronic Medical Conditions (NOCMCs):0(0.0%)|Frequency of Any Protocol Specified Adverse Events of Special Interest (AESIs):0(0.0%)|Frequency of Any Serious Adverse Events (SAEs):0(0.0%)|Frequency of Solicited Reactogenicity Adverse Events (AEs):Local Events:12(92.3%); Systemic Events:11(84.6%)|Grade of Solicited Reactogenicity Adverse Events (AEs):None:1(7.7%); Mild:3(23.1%); Moderate:7(53.8%); Severe:2(15.4%)|Frequency of Unsolicited Adverse Events (AEs) by Relationship to Study Product:Not Related:0; Related:16|Grade of Any Unsolicited Adverse Events (AEs):Mild:11; Moderate:5; Severe:0
Adverse reactions No serious clinical adverse events
References PMID: 35547849
Cohort7: mRNA-1273.351_dose level 3_Day 29_mRNA-1273_dose level 3_Day 1
Administration route intramuscular injection
Dosage mRNA-1273, 0.5 mL, 100 mcg, on Day 1; mRNA-1273.351, 0.5 mL, 100 mcg, on Day 29
Pts 13
Age Adult, Older_Adult
Outcome Number of Participants With Any Medically-attended Adverse Events (MAAEs):0(0.0%)|Frequency of Any New-onset Chronic Medical Conditions (NOCMCs):0(0.0%)|Frequency of Any Protocol Specified Adverse Events of Special Interest (AESIs):0(0.0%)|Frequency of Any Serious Adverse Events (SAEs):0(0.0%)|Frequency of Solicited Reactogenicity Adverse Events (AEs):Local Events:13(100.0%); Systemic Events:12(92.3%)|Grade of Solicited Reactogenicity Adverse Events (AEs):None:0(0.0%); Mild:1(7.7%); Moderate:8(61.5%); Severe:4(30.8%)|Frequency of Unsolicited Adverse Events (AEs) by Relationship to Study Product:Not Related:3; Related:4|Grade of Any Unsolicited Adverse Events (AEs):Mild:4; Moderate:3; Severe:0
Adverse reactions No serious clinical adverse events
References PMID: 35547849
Cohort8: mRNA-1273.351_dose level 2_Day 29_mRNA-1273_dose level 2_Day 1
Administration route intramuscular injection
Dosage mRNA-1273, 0.5 mL, 50 mcg, on Day 1; mRNA-1273.351, 0.5 mL, 50 mcg, on Day 29
Pts 12
Age Adult, Older_Adult
Outcome Number of Participants With Any Medically-attended Adverse Events (MAAEs):0(0.0%)|Frequency of Any New-onset Chronic Medical Conditions (NOCMCs):0(0.0%)|Frequency of Any Protocol Specified Adverse Events of Special Interest (AESIs):0(0.0%)|Frequency of Any Serious Adverse Events (SAEs):0(0.0%)|Frequency of Solicited Reactogenicity Adverse Events (AEs):Local Events:11(91.7%); Systemic Events:11(91.7%)|Grade of Solicited Reactogenicity Adverse Events (AEs):None:1(8.3%); Mild:2(16.7%); Moderate:7(58.3%); Severe:2(16.7%)|Frequency of Unsolicited Adverse Events (AEs) by Relationship to Study Product:Not Related:6; Related:2|Grade of Any Unsolicited Adverse Events (AEs):Mild:4; Moderate:3; Severe:1
Adverse reactions No serious clinical adverse events
References PMID: 35547849
Cohort9: mRNA-1273.351_dose level 2_Days 1 and 29_mRNA-1273_dose level 2_Days 1 and 29
Administration route intramuscular injection
Dosage mRNA-1273, 0.5 mL, 50 mcg, on Days 1 and 29; mRNA-1273.351, 0.5 mL, 50 mcg, on Days 1 and 29
Pts 13
Age Adult, Older_Adult
Outcome Number of Participants With Any Medically-attended Adverse Events (MAAEs):0(0.0%)|Frequency of Any New-onset Chronic Medical Conditions (NOCMCs):1(7.7%)|Frequency of Any Protocol Specified Adverse Events of Special Interest (AESIs):1(7.7%)|Frequency of Any Serious Adverse Events (SAEs):0(0.0%)|Frequency of Solicited Reactogenicity Adverse Events (AEs):Local Events:12(92.3%); Systemic Events:12(92.3%)|Grade of Solicited Reactogenicity Adverse Events (AEs):None:0(0.0%); Mild:1(7.7%); Moderate:9(69.2%); Severe:3(23.1%)|Frequency of Unsolicited Adverse Events (AEs) by Relationship to Study Product:Not Related:7; Related:13|Grade of Any Unsolicited Adverse Events (AEs):Mild:15; Moderate:5; Severe:0
Adverse reactions No serious clinical adverse events
References PMID: 35547849
Cohort10: mRNA-1273.351_dose level 1_Days 1 and 29_mRNA-1273_dose level 1_Days 1 and 29
Administration route intramuscular injection
Dosage mRNA-1273, 0.5 mL, 25 mcg, on Days 1 and 29; mRNA-1273.351, 0.5 mL, 25 mcg, on Days 1 and 29
Pts 13
Age Adult, Older_Adult
Outcome Number of Participants With Any Medically-attended Adverse Events (MAAEs):0(0.0%)|Frequency of Any New-onset Chronic Medical Conditions (NOCMCs):0(0.0%)|Frequency of Any Protocol Specified Adverse Events of Special Interest (AESIs):0(0.0%)|Frequency of Any Serious Adverse Events (SAEs):0(0.0%)|Frequency of Solicited Reactogenicity Adverse Events (AEs):Local Events:13(100.0%); Systemic Events:12(92.3%)|Grade of Solicited Reactogenicity Adverse Events (AEs):None:0(0.0%); Mild:4(30.8%); Moderate:6(46.2%); Severe:3(23.1%)|Frequency of Unsolicited Adverse Events (AEs) by Relationship to Study Product:Not Related:8; Related:10|Grade of Any Unsolicited Adverse Events (AEs):Mild:5; Moderate:10; Severe:3
Adverse reactions No serious clinical adverse events
References PMID: 35547849

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