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Courses of treatment and determinants in long COVID and other post-viral syndromes

Courses of treatment and determinants in long COVID and other post-viral syndromes

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00039327
Enrollment
5000
Registered
2026-02-27
Start date
2026-10-06
Completion date
Unknown
Last updated
2026-03-02

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

Conditions

U09.9 G93.3

Interventions

Group 1: BARMER insured persons with a documented diagnosis of long COVID (ICD-10_GM U09.9) and/or CFS (ICD-10-GM G93.3) are invited to participate in the written survey. To capture a broad spectrum o
their plausibility and validity are then assessed using participants’ self-reported information and further developed if necessary. All participants will receive the same questionnaire, consisting of

Sponsors

aQua - Institut für angewandte Qualitätsförderung und Forschung im Gesundheitswesen GmbH
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Only individuals residing in Germany are eligible for the survey if a diagnosis of long COVID (ICD-10-GM U09.9) and/or chronic fatigue syndrome (CFS; ICD-10-GM G93.3) is documented in their routine administrative data prior to the start of the survey. From this population, approximately 10–15 distinct groups are formed that differ with regard to the severity of the respective disease course, as derived from analyses of routine data. Group assignment is based, for example, on healthcare utilisation, hospital admissions, or other predefined indicators. The aim of this grouping is to capture, within the study sample, the broadest possible spectrum of different severity levels of long COVID and/or CFS.

Exclusion criteria

Exclusion criteria: Individuals with insufficient prior insurance coverage periods and individuals whose insurance coverage was terminated in the interim are not invited to participate in the written survey.

Design outcomes

Primary

MeasureTime frame
The project focuses on the differentiated characterization of the severity and progression of long COVID, as well as estimating its prevalence in the German population. The target criterion is to determine the extent to which various forms of progression and risk factors for severe or chronic progression can be identified and quantified on the basis of cross-sectoral routine data from the statutory health insurance system and taking into account a written survey of affected persons in October 2026.

Countries

Germany

Contacts

Public ContactMaren Löwer

aQua - Institut für angewandte Qualitätsförderung und Forschung im Gesundheitswesen GmbH

maren.loewer@aqua-institut.de+49 551-789 52-0

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Mar 14, 2026