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COVID-19 Recovery Study I

Long-term symptoms, complications and social outcomes after COVID-19: a prospective cohort study using a self-administered questionnaire - CORES I

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000047581
Enrollment
3000
Registered
2022-05-01
Start date
2022-05-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

COVID-19

Interventions

None listed

Sponsors

Japan Institute for Health Security
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Persons diagnosed with COVID-19 at a medical institution, etc. (2) Persons 20 years of age or older who were hospitalized and discharged alive from a cooperative research institute in Japan between February and July 2022 for the treatment of 1 above.

Exclusion criteria

Exclusion criteria: (1) Persons deemed unfit by the physician (e.g., patients who have difficulty communicating in Japanese or cooperating in surveys)

Design outcomes

Primary

MeasureTime frame
Presence of long-term symptoms and complications at three months, six months, one year, and two years after diagnosis of COVID-19

Secondary

MeasureTime frame
Physical and mental health status, socioeconomic status, and quality of life at three months, six months, one year, and two years after diagnosis of COVID-19

Countries

Japan

Contacts

Public ContactMariko Hosozawa

Japan Institute for Health Security Institute for Global health Policy Research, Bureau of Global Health Cooperation

hosozawa.m@jihs.go.jp03-3202-7181

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026