Study comparing venous and capillary blood for the analysis of laboratory parameters in patients with rheumatic conditions

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00024925

Enrollment

Registered

2021-04-15

Start date

2021-05-17

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

inflammatory rheumatic diseases

Interventions

Group 1: Capillary blood collection from upper arm and venous blood sample as gold standard

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: chronic inflammatory rheumatic disease written consent

Exclusion criteria

Exclusion criteria: -Pregnant women -Scars, edema, wounds in the area of the blood collection

Design outcomes

Primary

Measure	Time frame
Antibody titer from venous blood and capillary blood	—

Secondary

Measure	Time frame
- Acceptance of capillary blood sampling from the upper arm (net promoter score, system usability scale) - Pain of capillary blood sampling from the upper arm (visual analogue scale 0-10) - Resulting blood volume from the upper arm (µl)	—

Countries

Germany

Contacts

Public ContactJohannes Knitza

Medizinische Klinik 3, Universitätsklinikum Erlangen

johannes.knitza@uk-erlangen.de+4991318534742

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 12, 2026