A Study of the Effectiveness of Moderna COVID-19 Vaccine

COVID-19 Clinical Trial

Official title:

Real-World Study of the Effectiveness of Moderna COVID-19 Vaccine

Clinical Trial Details — Status: Active, not recruiting

Administrative data

• NCT number: NCT05933304
• Other study ID #: mRNA-1273-P901
• Status: Active, not recruiting
• Start date: December 18, 2020
• Est. completion date: April 14, 2025

Study information

• Verified date: April 2024
• Source: ModernaTX, Inc.
• Contact: n/a
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

This is an observational cohort study to evaluate real-world vaccine effectiveness and durability of Moderna COVID-19 vaccine among a diverse population at Kaiser Permanente Southern California (KPSC).

The primary objective of this study is to evaluate the vaccine effectiveness (VE) of receipt of Moderna COVID-19 vaccine in preventing SARS-CoV-2 infection and severe COVID-19 disease.

SARS-CoV-2 infection will be defined as a positive antigen test result as well as a positive molecular diagnostic test among symptomatic or asymptomatic participants or a COVID-19 diagnosis code. Severe COVID-19 disease will be defined as COVID-19 hospitalization or mortality.

Description:

This study utilized electronic healthcare data collected within the Kaiser Permanente Southern California (KPSC) integrated healthcare system which provides care to over 4.6 million individuals. Participants in this study received vaccination and were assessed for study outcomes as part of routine care. Vaccination information and study outcome status was assessed using procedure, diagnostic, and laboratory code information. Medical chart review was conducted to assess the association of severe outcomes (hospitalization and death) with COVID-19 illness.

Analyses assessing absolute vaccine effectiveness will identify participants who receive Moderna COVID vaccine from the KPSC electronic healthcare database and match them to unvaccinated participants based on age, sex, race/ethnicity, and data of vaccination (index date). Vaccinated and unvaccinated participants will then be followed-up in the database for the occurrence of study outcomes. Cox proportional hazards regression will be used to compare the relative risk of study outcomes by vaccination status.

Analyses of relative vaccine effectiveness will identify participants who receive specific dose number and formulation of Moderna COVID vaccine (Group N) from the KPSC electronic healthcare database and match them to a group of vaccinated participants with a different dose/formulation type (i.e. Group n-1). Similar matching criteria will be applied. Both groups will be followed for study outcomes and cox proportional hazards regression will be used to compare the relative risk of study outcomes by vaccination status.

Recruitment information / eligibility

• Status: Active, not recruiting
• Enrollment: 1000000
• Est. completion date: April 14, 2025
• Est. primary completion date: April 14, 2025
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 6 Months and older

Eligibility

Inclusion Criteria:

• Aged =18 years at index date (participants aged 6 months through 17 years will also be included after Food and Drug Administration [FDA] authorization to vaccinate younger age groups)

• KPSC member for =12 months prior to index date through 14 days after the index date (allowing a 31-day gap)

Exclusion Criteria:

• Receipt of a COVID-19 vaccine other than Moderna COVID-19 vaccine prior to or on the index date

• Receipt of 2 doses of Moderna COVID-19 vaccine <24 days apart for 2-dose exposed cohort

• Receipt of any COVID-19 vaccine <14 days after the index date

• No health care utilization and no vaccination from the 2 years prior to the index date through the index date

• Occurrence of a COVID-19 outcome <14 days after the index date

Related Conditions & MeSH terms

• COVID-19
• SARS-CoV-2

Locations

Country	Name	City	State
United States	Kaiser Permanente Southern California	Pasadena	California

Sponsors (1)

Lead Sponsor	Collaborator
ModernaTX, Inc.

Country where clinical trial is conducted

United States, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Number of Participants With SARS-CoV-2 Infection	SARS-CoV-2 infection is defined as a positive antigen test result as well as a positive molecular test or a COVID-19 diagnosis code.	Up to 3 years
Primary	Number of Participants With Severe COVID-19 Disease	Severe COVID-19 disease includes COVID-19 hospitalization (hospitalization with a SARS-CoV-2 positive test or a COVID-19 diagnosis, or a hospitalization occurring =7 days after a SARS-CoV-2 positive test, with chart review to confirm severe COVID-19 symptoms) and COVID-19 mortality (death during COVID-19 hospitalization).	Up to 3 years