Speechlessness in the German-speaking population

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00030369

Enrollment

2000

Registered

2022-09-27

Start date

2022-12-02

Completion date

Unknown

Last updated

2025-10-06

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

Conditions

Complete German-speaking population regardless of whether a (chronic) disease is present or not.

Interventions

Group 1: Online-based cross-sectional survey of the German-speaking population on speechlessness

the survey will be conducted using the Cologne Questionnaire on Speechlessness (Kölner Fragebogen zur Sprachlosigkeit

KFS) and its components on emotion-related, intentional and non-intentional speechlessness

the study will be single-armed: all persons meeting the inclusion criteria and agreeing to the conditions of participation will be included in the study

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: At least 18 years old; Sufficient understanding of the language

Exclusion criteria

Exclusion criteria: Age < 18 years; Lack of language comprehension

Design outcomes

Primary

Measure	Time frame
Identification of (subgroup-specific) cut-off values in questionnaires on emotion-related, intentional and non-intentional speechlessness.	—

Countries

Germany

Contacts

Public ContactThilo Dietz

Universitätsklinikum Köln, Klinik I für Innere Medizin; AG Psychoonkologische Versorgungsforschung

thilo.dietz@uk-koeln.de+4922147842654

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026