# Sequenced Treatment Effectiveness for Posttraumatic Stress

> **NCT04597190** · PHASE4 · COMPLETED · sponsor: **University of Washington** · enrollment: 700 (actual)

## Conditions studied

- PTSD

## Interventions

- **DRUG:** Selective serotonin reuptake inhibitor
- **DRUG:** Serotonin-norepinephrine reuptake inhibitor
- **BEHAVIORAL:** Written Exposure Therapy

## Key facts

- **NCT ID:** NCT04597190
- **Lead sponsor:** University of Washington
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-06-01
- **Primary completion:** 2024-08-01
- **Final completion:** 2024-08-01
- **Target enrollment:** 700 (ACTUAL)
- **Last updated:** 2025-05-08

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04597190

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04597190, "Sequenced Treatment Effectiveness for Posttraumatic Stress". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04597190. Licensed CC0.

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