# Perioperative Depression, an Observational Cohort Study

> **NCT06783842** · — · ACTIVE_NOT_RECRUITING · sponsor: **Karolinska Institutet** · enrollment: 700000 (estimated)

## Conditions studied

- Surgery With General Anesthesia
- Depression - Major Depressive Disorder

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT06783842
- **Lead sponsor:** Karolinska Institutet
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2025-01-01
- **Primary completion:** 2025-12-31
- **Final completion:** 2026-01
- **Target enrollment:** 700000 (ESTIMATED)
- **Last updated:** 2025-01-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06783842

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06783842, "Perioperative Depression, an Observational Cohort Study". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT06783842. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*