# Study of a PST-Trained Voice-Enabled Artificial Intelligence Counselor(SPEAC) for Adults With Emotional Distress (Phase 2)

> **NCT05603923** · NA · COMPLETED · sponsor: **University of Illinois at Chicago** · enrollment: 200 (actual)

## Conditions studied

- Depression
- Anxiety

## Interventions

- **BEHAVIORAL:** Lumen Coached PST Intervention.
- **BEHAVIORAL:** Human Coached PST Intervention.
- **BEHAVIORAL:** Optional (delayed) Lumen Coached PST (Waitlist control).

## Key facts

- **NCT ID:** NCT05603923
- **Lead sponsor:** University of Illinois at Chicago
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-01-23
- **Primary completion:** 2025-04-15
- **Final completion:** 2025-04-15
- **Target enrollment:** 200 (ACTUAL)
- **Last updated:** 2026-01-21

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05603923

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05603923, "Study of a PST-Trained Voice-Enabled Artificial Intelligence Counselor(SPEAC) for Adults With Emotional Distress (Phase 2)". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT05603923. Licensed CC0.

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