# The BIomarker Guided (BIG) Study for Depression

> **NCT04181736** · PHASE4 · COMPLETED · sponsor: **Stanford University** · enrollment: 28 (actual)

## Conditions studied

- Major Depressive Disorder

## Interventions

- **DRUG:** Guanfacine Tablets

## Key facts

- **NCT ID:** NCT04181736
- **Lead sponsor:** Stanford University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-09-14
- **Primary completion:** 2024-01-17
- **Final completion:** 2024-02-12
- **Target enrollment:** 28 (ACTUAL)
- **Last updated:** 2025-03-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04181736

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04181736, "The BIomarker Guided (BIG) Study for Depression". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT04181736. Licensed CC0.

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