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COOL (Cold Water for Exercise Recovery in Depression)

COOL (Cold Water for Exercise Recovery in Depression) - COOL

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00039669
Enrollment
27
Registered
2026-03-19
Start date
2026-04-08
Completion date
Unknown
Last updated
2026-06-01

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

Conditions

F32.1

Interventions

Group 1: For this study, inpatient and outpatients with a depressive disorder will be recruited who have been stably adjusted to their medication for at least one week. All participants must be betwee

Sponsors

Klinik für Psychiatrie, Psychotherapie und Psychosomatik
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Sufficient German language proficiency Ability to provide informed consent Voluntary treatment Diagnosis of a depressive episode Stable maintenance medication for at least one week No contraindication to physical exercise No contraindication to cold exposure

Exclusion criteria

Exclusion criteria: Age 65 years Insufficient German language proficiency Inability to provide informed consent Involuntary treatment status Contraindication to physical exercise Pregnancy or suspected pregnancy Existing severe cardiovascular disease requiring ongoing treatment (e.g., poorly controlled hypertension, heart failure, arrhythmias) Cold-induced conditions (e.g., Raynaud’s syndrome, cold urticaria) Acute infections

Design outcomes

Primary

MeasureTime frame
Heart rate variability (HRV) will be used as the primary outcome to objectively assess recovery. HRV reflects the balance between parasympathetic and sympathetic activity and is therefore a reliable indicator for measuring recovery after exercise. HRV will be assessed at each of the four measurement time points.

Secondary

MeasureTime frame
The following secondary outcomes will be assessed: Lactate (Lactate Scout) Respiratory rate (manual measurement / chest strap) Fatigue/exhaustion (FSS) Pain perception (NRS) Subjective well-being (WHO-5) Mood (BDI, HAMD, PANAS, PHQ-9) Functional level and quality of life (GAF) Physical activity (IPAQ) Cognitive performance (Trail Making Test A/B) Vital signs (blood pressure monitor, body weight scale) QT variability (exploratory) All parameters will be assessed at each measurement time point.

Countries

Germany

Contacts

Public ContactAnna Hirschbeck

Klinik für Psychiatrie, Psychotherapie und Psychosomatik

Anna.Hirschbeck@bkh-augsburg.de+49 1623010480

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 11, 2026