NCT04100213

Brief Summary

Stress is a complex natural phenomenon, frequently related to a physiological response, including heart rate, heart rate variability, respiratory rate, skin conductance and temperature. The subjective experience varies greatly; broadly, it may be conceived as a freeze, flight, fight, fright or faint response. Many studies have demonstrated the negative influence of psychological stress on health and well-being. Through the digital phenotyping of physiological and psychological stress reactions, in a controlled laboratory setting (Trier Social Stress Test- TSST) and real-life situations, in a population of healthy participants and patients with a major psychiatric disorder, we expect to find reliable and valid digital biomarkers. The results of this study will, therefore, not only contribute to a better understanding of stress and stress response but also have the potential to improve diagnostic and treatment approaches.

Trial Health

30
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Dec 2025

Geographic Reach
1 country

1 active site

Status
withdrawn

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 18, 2019

Completed
6 days until next milestone

First Posted

Study publicly available on registry

September 24, 2019

Completed
6.2 years until next milestone

Study Start

First participant enrolled

December 1, 2025

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2025

Completed
Last Updated

December 8, 2025

Status Verified

December 1, 2025

Enrollment Period

Same day

First QC Date

September 18, 2019

Last Update Submit

December 1, 2025

Conditions

Keywords

Stress, Stress Reaction, Trier Social Stress Test, Digital Phenotyping

Outcome Measures

Primary Outcomes (2)

  • Cortisol

    Saliva Cortisol Concentration

    Change from 40 and 20 min. before the intervention. 0, 10, 20 30, 40, 60 and 80 min. after the intervention

  • Subjective Stress

    Stress Questionnaire

    Change from 40 and 20 min. before the intervention. 0, 10, 20 30, 40, 60 and 80 min. after the intervention

Secondary Outcomes (2)

  • Psychopathological Assessement

    1 day

  • Psychiatric Diagnosis

    1 day

Study Arms (1)

TSST

EXPERIMENTAL
Behavioral: Trier Social Stress Test

Interventions

The TSST-G is a psychological paradigm which combines high levels of social-evaluative threat and uncontrollability in a group setting. The TSST-G will proceed in groups of three to five participants (from the same diagnostic group). The TSST-G consists of three phases: a briefing; the psychological test itself, followed by a debriefing phase. Each phase will last 40, 20 and 60 minutes, respectively. The briefing and debriefing of the TSST-G will be conducted by experienced psychotherapists. The TSST-G itself will be conducted by personal unknown to the participants.

Also known as: TSST
TSST

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Participants are competent to give informed consent.
  • Participants are right handed
  • German language proficiency as a native speaker or level B1
  • Diagnosis of a cluster C personality disorder according to ICD-10; or
  • Diagnosis of depressive disorder according to ICD-10; or
  • Diagnosis of schizophrenia or schizoaffective disorder according to ICD-10; or
  • Without a current psychiatric disorder.

You may not qualify if:

  • Low Intelligence as confirmed by failure to complete regular compulsory education.
  • Pregnancy or over two weeks delay in the menstrual cycle.
  • Previous participation in a psychological trial involving psychosocial stress assessment.
  • Current neurological disorder.
  • Current cardiovascular disorder.
  • Current respiratory disorder.
  • Current substance use or withdrawal.
  • Any change in medication in the previous week.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Psychiatrische Universitätsklinik Zürich

Zurich, Canton of Zurich, 8032, Switzerland

Location

Related Publications (1)

  • Egger ST, Knorr M, Bobes J, Bernstein A, Seifritz E, Vetter S. Real-Time Assessment of Stress and Stress Response Using Digital Phenotyping: A Study Protocol. Front Digit Health. 2020 Oct 15;2:544418. doi: 10.3389/fdgth.2020.544418. eCollection 2020.

MeSH Terms

Conditions

Mental DisordersFractures, StressStress, Psychological

Interventions

Psychological Tests

Condition Hierarchy (Ancestors)

Fractures, BoneWounds and InjuriesBehavioral SymptomsBehavior

Intervention Hierarchy (Ancestors)

Behavioral Disciplines and Activities
0

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
SCREENING
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Senior Psychiatrists

Study Record Dates

First Submitted

September 18, 2019

First Posted

September 24, 2019

Study Start

December 1, 2025

Primary Completion

December 1, 2025

Study Completion

December 1, 2025

Last Updated

December 8, 2025

Record last verified: 2025-12

Data Sharing

IPD Sharing
Will not share

Locations