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Special Investigation of COMIRNATY in the Population With Underlying Diseases

Special Investigation of COMIRNATY Intramuscular Injection (Investigation of Patients With Underlying Disease Considered to be at High Risk of Aggravation of COVID-19)

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04880447
Enrollment
1075
Registered
2021-05-10
Start date
2021-05-26
Completion date
2022-04-14
Last updated
2024-06-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19

Keywords

COVID-19,, Post-Marketing study, COMIRNATY, Underlying Disease

Brief summary

Post-marketing study, Cohort study of COMIRNATY vaccines. To collect information on adverse events and COVID-19 observed after vaccination with COMIRNATY and to assess safety in patients with underlying disease considered to be at high risk of aggravation of COVID-19 who have received vaccination with this product under actual use conditions.

Detailed description

This is a multicenter cohort study to be conducted in individuals with underlying diseases considered to be at high risk of aggravation of COVID-19 who are vaccinated with this product, and the investigator will enter the information required in this study in the case report forms (CRFs) based on the information obtained through preliminary examination sheet or medical interview, etc. and records such as medical records. A health observation diary will be distributed to the subjects participating in this study and they will be requested to record information on local reactions and systemic reactions after vaccination with this product.

Interventions

BIOLOGICALBNT162b2

COMIRNATY is administered intramuscularly after dilution as a course of 2 doses (0.3 mL each). It is recommended to administer the second dose 3 weeks after the first dose.

Sponsors

Pfizer
Lead SponsorINDUSTRY

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
12 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

-Subjects who are able to understand the content of this study and to record their symptoms in the health observation diary, and who have provided written consent to participate in this survey by themselves (or parents or legal guardians in the case of minors)

Exclusion criteria

* There are no

Design outcomes

Primary

MeasureTime frameDescription
Proportion of Participants With Adverse ReactionsFrom the date of the first dose to 28 days after the second dose, up to approximately 49 days.An adverse reaction was any untoward medical occurrence attributed to COMIRNATY in a participant who was vaccinated with COMIRNATY. Relatedness to COMIRNATY was assessed by the physician. The proportion of adverse reactions was presented for the overall observation period, the observation period from the date of the first dose of Comirnaty up to 28 days after the second dose, and the observation period from the date of Dose 1 up to 28 days after Dose 2.
Proportion of Participants With Serious Adverse ReactionsFrom the date of the first dose to 28 days after the second dose, up to approximately 49 days.A serious adverse reaction was any untoward medical occurrence attributed to COMIRNATY resulting in any of the following outcomes or deemed significant for any other reason: death; life-threatening experience (immediate risk of dying); initial or prolonged inpatient hospitalization; persistent or significant disability/incapacity; or congenital anomaly. Relatedness to COMIRNATY was assessed by the physician. The proportion of serious adverse reactions was presented for the overall observation period, the observation period from the first to the second vaccination, and the observation period from the date of Dose 1 up to 28 days after Dose 2.
Proportion of Participants With Local Reactions and Systemic Reactions (The First Vaccination)Within 8 days after the date of the first dose.Local and systemic reactions were treated as specific adverse events of interest in this study, and were reported using the health observation diary filled out by the participants. Severity was rated and recorded as grade 1, 2, or 3 according to the FDA Guidance for industry: toxicity grading scale for healthy adult and adolescent volunteers enrolled in preventive vaccine clinical trials. Health observation diary for the first vaccination was collected from 1035 participants of the 1038 safety analysis set participants.
Proportion of Participants With Local Reactions and Systemic Reactions (The Second Vaccination)Within 8 days after the date of the second dose.Local and systemic reactions were treated as specific adverse events of interest in this study, and were reported using the health observation diary filled out by the participants. Severity was rated and recorded as grade 1, 2, or 3 according to the FDA Guidance for industry: toxicity grading scale for healthy adult and adolescent volunteers enrolled in preventive vaccine clinical trials. Health observation diary for the second vaccination was collected from 1026 participants of the 1032 participants who received the second vaccination with Comirnaty.

Countries

Japan

Participant flow

Participants by arm

ArmCount
COMIRNATY Intramuscular Injection (Tozinameran)
Participants with underlying disease considered to be at high risk of aggravation of COVID-19, who were vaccinated with Comirnaty as indicated in the approved local product document were observed from the date of Dose 1 to 28 days after Dose 2.
1,038
Total1,038

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyDisease not covered in this study35
Overall StudyNo adverse event information (missing information)1
Overall StudyNo vaccination information1

Baseline characteristics

CharacteristicCOMIRNATY Intramuscular Injection (Tozinameran)
Age, Customized
≥15 and <65 years
568 Participants
Age, Customized
<15 years
3 Participants
Age, Customized
≥65 years
467 Participants
Race and Ethnicity Not Collected— Participants
Sex: Female, Male
Female
433 Participants
Sex: Female, Male
Male
605 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
1 / 1,038
other
Total, other adverse events
114 / 1,038
serious
Total, serious adverse events
11 / 1,038

Outcome results

Primary

Proportion of Participants With Adverse Reactions

An adverse reaction was any untoward medical occurrence attributed to COMIRNATY in a participant who was vaccinated with COMIRNATY. Relatedness to COMIRNATY was assessed by the physician. The proportion of adverse reactions was presented for the overall observation period, the observation period from the date of the first dose of Comirnaty up to 28 days after the second dose, and the observation period from the date of Dose 1 up to 28 days after Dose 2.

Time frame: From the date of the first dose to 28 days after the second dose, up to approximately 49 days.

Population: The safety analysis set comprised of participants who satisfied the inclusion criteria and were vaccinated with COMIRNATY at least once.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
COMIRNATY Intramuscular Injection (Tozinameran)Proportion of Participants With Adverse ReactionsOverall observation period59 Participants
COMIRNATY Intramuscular Injection (Tozinameran)Proportion of Participants With Adverse ReactionsObservation from the 1st to the 2nd vaccination30 Participants
COMIRNATY Intramuscular Injection (Tozinameran)Proportion of Participants With Adverse ReactionsObservation from 2nd vaccination to 28 days39 Participants
Primary

Proportion of Participants With Local Reactions and Systemic Reactions (The First Vaccination)

Local and systemic reactions were treated as specific adverse events of interest in this study, and were reported using the health observation diary filled out by the participants. Severity was rated and recorded as grade 1, 2, or 3 according to the FDA Guidance for industry: toxicity grading scale for healthy adult and adolescent volunteers enrolled in preventive vaccine clinical trials. Health observation diary for the first vaccination was collected from 1035 participants of the 1038 safety analysis set participants.

Time frame: Within 8 days after the date of the first dose.

Population: The safety analysis set comprised of participants who satisfied the inclusion criteria and were vaccinated with COMIRNATY at least once.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
COMIRNATY Intramuscular Injection (Tozinameran)Proportion of Participants With Local Reactions and Systemic Reactions (The First Vaccination)Local reactions836 Participants
COMIRNATY Intramuscular Injection (Tozinameran)Proportion of Participants With Local Reactions and Systemic Reactions (The First Vaccination)Systemic reactions648 Participants
Primary

Proportion of Participants With Local Reactions and Systemic Reactions (The Second Vaccination)

Local and systemic reactions were treated as specific adverse events of interest in this study, and were reported using the health observation diary filled out by the participants. Severity was rated and recorded as grade 1, 2, or 3 according to the FDA Guidance for industry: toxicity grading scale for healthy adult and adolescent volunteers enrolled in preventive vaccine clinical trials. Health observation diary for the second vaccination was collected from 1026 participants of the 1032 participants who received the second vaccination with Comirnaty.

Time frame: Within 8 days after the date of the second dose.

Population: The safety analysis set comprised of participants who satisfied the inclusion criteria and were vaccinated with COMIRNATY at least once.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
COMIRNATY Intramuscular Injection (Tozinameran)Proportion of Participants With Local Reactions and Systemic Reactions (The Second Vaccination)Local reactions866 Participants
COMIRNATY Intramuscular Injection (Tozinameran)Proportion of Participants With Local Reactions and Systemic Reactions (The Second Vaccination)Systemic reactions716 Participants
Primary

Proportion of Participants With Serious Adverse Reactions

A serious adverse reaction was any untoward medical occurrence attributed to COMIRNATY resulting in any of the following outcomes or deemed significant for any other reason: death; life-threatening experience (immediate risk of dying); initial or prolonged inpatient hospitalization; persistent or significant disability/incapacity; or congenital anomaly. Relatedness to COMIRNATY was assessed by the physician. The proportion of serious adverse reactions was presented for the overall observation period, the observation period from the first to the second vaccination, and the observation period from the date of Dose 1 up to 28 days after Dose 2.

Time frame: From the date of the first dose to 28 days after the second dose, up to approximately 49 days.

Population: The safety analysis set comprised of participants who satisfied the inclusion criteria and were vaccinated with COMIRNATY at least once.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
COMIRNATY Intramuscular Injection (Tozinameran)Proportion of Participants With Serious Adverse ReactionsOverall observation period3 Participants
COMIRNATY Intramuscular Injection (Tozinameran)Proportion of Participants With Serious Adverse ReactionsObservation from the 1st to the 2nd vaccination1 Participants
COMIRNATY Intramuscular Injection (Tozinameran)Proportion of Participants With Serious Adverse ReactionsObservation from 2nd vaccination to 28 days2 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026