The purpose of this study is to evaluate the safety and immunogenicity in parallel of heptavalent mRNA-1975 and monovalent mRNA-1982 against Lyme disease in healthy adult participants.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
807
Clinical Research Consulting, LLC
Milford, Connecticut, United States
Number of Participants With Solicited Local and Systemic Adverse Reactions (ARs) Within 7 Days After Day 1 Injection
Solicited ARs were collected in an electronic diary (eDiary). Local ARs: injection site pain, erythema (redness), swelling/induration (hardness); and axillary (underarm) swelling or tenderness ipsilateral to the side of injection. Systemic ARs: fever, headache, fatigue, myalgia, arthralgia, nausea/vomiting, and chills. Note, not all solicited ARs were considered adverse events (AEs). Investigator reviewed whether the solicited AR was also to be recorded as an AE. A summary of serious AEs (SAEs) and nonserious AEs ("Other"), regardless of causality, is located in the "Reported Adverse Events" section.
Time frame: Up to 7 days after Day 1 injection
Number of Participants With Solicited Local and Systemic ARs Within 7 Days After Day 57 Injection
Solicited ARs were collected in an eDiary. Local ARs: injection site pain, erythema (redness), swelling/induration (hardness); and axillary (underarm) swelling or tenderness ipsilateral to the side of injection. Systemic ARs: fever, headache, fatigue, myalgia, arthralgia, nausea/vomiting, and chills. Note, not all solicited ARs were considered AEs. Investigator reviewed whether the solicited AR was also to be recorded as an AE. A summary of SAEs and nonserious AEs ("Other"), regardless of causality, is located in the "Reported Adverse Events" section.
Time frame: Up to 7 days after Day 57 injection
Number of Participants With Solicited Local and Systemic ARs Within 7 Days After Day 169 Injection
Solicited ARs were collected in an eDiary. Local ARs: injection site pain, erythema (redness), swelling/induration (hardness); and axillary (underarm) swelling or tenderness ipsilateral to the side of injection. Systemic ARs: fever, headache, fatigue, myalgia, arthralgia, nausea/vomiting, and chills. Note, not all solicited ARs were considered AEs. Investigator reviewed whether the solicited AR was also to be recorded as an AE. A summary of SAEs and nonserious AEs ("Other"), regardless of causality, is located in the "Reported Adverse Events" section.
Time frame: Up to 7 days after Day 169 injection
Number of Participants With Unsolicited AEs
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Stamford Therapeutics Consortium
Stamford, Connecticut, United States
Chase Medical Research, LLC
Waterbury, Connecticut, United States
Encore Research Group-Jacksonville Center for Clinical Research
Jacksonville, Florida, United States
University Clinical Research-DeLand, LLC d/b/a Accel Research Sites
Lake Mary, Florida, United States
Clinical Research Atlanta, headlands LLC
Stockbridge, Georgia, United States
Johnson County Clin-Trials, Inc. (JCCT)
Lenexa, Kansas, United States
Centennial Medical Group
Columbia, Maryland, United States
Advanced Primary and Geriatric Care
Rockville, Maryland, United States
DM Clinical Research - Brookline
Brookline, Massachusetts, United States
...and 10 more locations
An AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related. Any abnormal laboratory test result (hematology, clinical chemistry, or prothrombin time \[PT\]/partial thromboplastin time \[PTT\]) or other safety assessment (for example, electrocardiogram, radiological scan, vital sign measurement), including one that worsened from baseline and was considered clinically significant in the medical and scientific judgment of the Investigator was recorded as an AE. A summary of SAEs and all nonserious AEs ("Other"), regardless of causality, is located in the "Reported Adverse Events" section.
Time frame: Up to 28 days post any injection
Number of Participants With Medically Attended AEs (MAAEs), Adverse Events of Special Interest (AESIs), SAEs, and AEs Leading to Study Discontinuation
A MAAE is an AE that led to an unscheduled visit to a healthcare practitioner. An SAE was defined as any AE that resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization, resulted in disability, was a congenital anomaly/birth defect, or was an important medical event. An AESI was an AE (serious or nonserious) of scientific and medical concern specific to the Sponsor's product or program, for which ongoing monitoring and immediate notification by the Investigator to the Sponsor were required. A summary of SAEs and all nonserious AEs ("Other"), regardless of causality, is located in the "Reported Adverse Events" section.
Time frame: Day 1 up to Month 18
Geometric Mean Concentration (GMC) of Anti-Outer Surface Protein (Anti-OspA) Binding Immunoglobulin (IgG) Antibodies for Serotype (SR-1) Antigen Measured by Enzyme-Linked Immunosorbent Assay (ELISA)
Antibody values reported as below lower limit of quantification (LLOQ) were replaced by 0.5\*LLOQ. Values reported greater than upper limit of quantification (ULOQ) were replaced by the ULOQ. LLOQ was 41.4 nanograms (ng)/milliliter (mL) and ULOQ was 428000 ng/mL for manual assay; LLOQ was 47.6 ng/mL and 583000 ng/mL for automated assay for SR-1 IgG antibody. 95% confidence interval (CI) for GM value was calculated based on the t-distribution of the log-transformed values , then back transformed to the original scale for presentation.
Time frame: Days 1, 29, 85 and 197
GMC of Anti-OspA Binding IgG Antibodies for SR-2 Antigen Measured by ELISA
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 30 ng/mL and ULOQ was 214000 ng/mL for manual assay; LLOQ was 66.6 ng/mL and 215000 ng/mL for automated assay for SR-2 IgG antibody. 95% CI for GM value was calculated based on the t-distribution of the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 1, 29, 85, and 197
GMC of Anti-OspA Binding IgG Antibodies for SR-3 Antigen Measured by ELISA
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 14.5 ng/mL and ULOQ was 299000 ng/mL for manual assay; LLOQ was 62.5 ng/mL and 296000 ng/mL for automated assay for SR-3 IgG antibody. 95% CI for GM value was calculated based on the t-distribution of the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 1, 29, 85 and 197
GMC of Anti-OspA Binding IgG Antibodies for SR-4 Antigen Measured by ELISA
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 32.6 ng/mL and ULOQ was 292000 ng/mL for manual assay; LLOQ was 59.7 ng/mL and 264000 ng/mL for automated assay for SR-4 IgG antibody. 95% CI for GM value was calculated based on the t-distribution of the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 1, 29, 85 and 197
GMC of Anti-OspA Binding IgG Antibodies for SR-5 Antigen Measured by ELISA
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 45.5 ng/mL and ULOQ was 298000 ng/mL for manual assay; LLOQ was 84.2 ng/mL and 319000 ng/mL for automated assay for SR-5 IgG antibody. 95% CI for GM value was calculated based on the t-distribution of the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 1, 29, 85 and 197
GMC of Anti-OspA Binding IgG Antibodies for SR-6 Antigen Measured by ELISA
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 18.1 ng/mL and ULOQ was 203000 ng/mL for manual assay; LLOQ was 68.7 ng/mL and 248000 ng/mL for automated assay for SR-6 IgG antibody. 95% CI for GM value was calculated based on the t-distribution of the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 1, 29, 85 and 197
GMC of Anti-OspA Binding IgG Antibodies for SR-7 Antigen Measured by ELISA
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 13 ng/mL and ULOQ was 197000 ng/mL for manual assay; LLOQ was 78.9 ng/mL and 174000 ng/mL for automated assay for SR-7 IgG antibody. 95% CI for GM value was calculated based on the t-distribution of the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 1, 29, 85 and 197
Geometric Mean Fold Rise (GMFR) of Anti-OspA Binding IgG Antibody Concentration for SR-1 Antigen
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 41.4 ng/mL and ULOQ was 428000 ng/mL for manual assay; LLOQ was 47.6 ng/mL and 583000 ng/mL for automated assay for SR-1 IgG antibody. 95% CI for GMFR value was calculated based on the t-distribution of the difference in the log-transformed values, then back transformed to the original scale for presentation.
Time frame: Days 29, 85 and 197
GMFR of Anti-OspA Binding IgG Antibody Concentration for SR-2 Antigen
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 30 ng/mL and ULOQ was 214000 ng/mL for manual assay; LLOQ was 66.6 ng/mL and 215000 ng/mL for automated assay for SR-2 IgG antibody. 95% CI for GMFR value was calculated based on the t-distribution of the difference in the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 29, 85 and 197
GMFR of Anti-OspA Binding IgG Antibody Concentration for SR-3 Antigen
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 14.5 ng/mL and ULOQ was 299000 ng/mL for manual assay; LLOQ was 62.5 ng/mL and 296000 ng/mL for automated assay for SR-3 IgG antibody. 95% CI for GMFR value was calculated based on the t-distribution of the difference in the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 29, 85 and 197
GMFR of Anti-OspA Binding IgG Antibody Concentration for SR-4 Antigen
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 32.6 ng/mL and ULOQ was 292000 ng/mL for manual assay; LLOQ was 59.7 ng/mL and 264000 ng/mL for automated assay for SR-4 IgG antibody. 95% CI for GMFR value was calculated based on the t-distribution of the difference in the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 29, 85 and 197
GMFR of Anti-OspA Binding IgG Antibody Concentration for SR-5 Antigen
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 45.5 ng/mL and ULOQ was 298000 ng/mL for manual assay; LLOQ was 84.2 ng/mL and 319000 ng/mL for automated assay for SR-5 IgG antibody. 95% CI for GMFR value was calculated based on the t-distribution of the difference in the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 29, 85 and 197
GMFR of Anti-OspA Binding IgG Antibody Concentration for SR-6 Antigen
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 18.1 ng/mL and ULOQ was 203000 ng/mL for manual assay; LLOQ was 68.7 ng/mL and 248000 ng/mL for automated assay for SR-6 IgG antibody. 95% CI for GMFR value was calculated based on the t-distribution of the difference in the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 29, 85 and 197
GMFR of Anti-OspA Binding IgG Antibody Concentration for SR-7 Antigen
Antibody values reported as below LLOQ were replaced by 0.5\*LLOQ. Values reported greater than ULOQ were replaced by the ULOQ. LLOQ was 13 ng/mL and ULOQ was 197000 ng/mL for manual assay; LLOQ was 78.9 ng/mL and 174000 ng/mL for automated assay for SR-7 IgG antibody. 95% CI for GMFR value was calculated based on the t-distribution of the difference in the log-transformed values, then back transformed to the original scale for presentation. Since mRNA-1982 was designed to elicit antibodies against SR-1 antigen only, the data for this outcome measure has been reported for mRNA-1975 and placebo arms only.
Time frame: Days 29, 85 and 197