Patterns of Hair Pulling in Trichotillomania: An Ecological Momentary Assessment Study on Influencing Factors

Patterns of Hair Pulling in Trichotillomania: An Ecological Momentary Assessment Study on Influencing Factors - EMA-TRICH

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00026664

Enrollment

Registered

2021-09-20

Start date

2022-03-16

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

DSM-5: Trichotillomania F63.3

Interventions

Group 1: All participants first undergo an online screening and a subsequent telephone interview to clarify the diagnostic criteria for trichotillomania. In the subsequent baseline survey, participant

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: DSM-5 criteria for Trichotillomania (Hair Pulling Disorder); sufficient German language skills; internet access via own smartphone; capacity to provide informed consent

Exclusion criteria

Exclusion criteria: No informed consent

Design outcomes

Primary

Measure	Time frame
a) Hair pulling behavior: reported number, style (focused vs. automatic), length, intensity and distribution auf hair pulling episodes	—

Secondary

Measure	Time frame
a) reported emotions b) emotion reactivity: Tendency to experience emotional reactions, assessed via a visual paradigm in the baseline assessment	—

Countries

Germany

Contacts

Public ContactChristina Gallinat

Universitätsklinikum Heidelberg, Forschungsstelle für Psychotherapie

Christina.gallinat@med.uni-heidelberg.de06221-567381

Outcome results

None listed

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