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App-based Symptom Tracking After Corona Vaccination (CoCoV)

App-based Symptom Tracking After Corona Vaccination (CoCoV)

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04686409
Enrollment
500
Registered
2020-12-28
Start date
2021-01-11
Completion date
2022-08-31
Last updated
2020-12-28

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

Conditions

Adverse Events in COVID-19 Vaccination

Brief summary

The study investigates the side effects of different COVID-19 vaccines.

Detailed description

In this observational study side effects of COVID-19 vaccines will be documented using an open-source mobile application. Participants are invited to answer a questionnaire on a daily basis. Common and unknown events are queried and collected. The primary result of this study will be a descriptive analysis of the collected data.

Interventions

BIOLOGICALCOVID-19 vaccines

Participants will be vaccinated with one of the approved COVID-19 vaccines

Sponsors

University of Ulm
Lead SponsorOTHER

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to 95 Years
Healthy volunteers
Yes

Inclusion criteria

* received COVID-19 vaccination * age ≥ 18 years * mobile device (iOS or Android)

Exclusion criteria

* No knowledge of German or English language * No written informed consent

Design outcomes

Primary

MeasureTime frameDescription
Number of participants with treatment-related side effects4 weeksNumber of participants with treatment-related side effects as assessed by the toxicity grading scale for healthy adult and adolescent volunteers enrolled in preventive vaccine clinical trials (status September 2007)

Secondary

MeasureTime frameDescription
Distribution and deviation of documented side effects4 weeksDescriptive statistics for different side effects

Countries

Germany

Contacts

Primary ContactThomas Seufferlein, Prof. Dr.
thomas.seufferlein@uniklinik-ulm.de+4973150044501

Outcome results

None listed

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