# Mental Health Impact of COVID-19 Pandemic on NIMH Research Participants and Volunteers

> **NCT04339790** · — · COMPLETED · sponsor: **National Institute of Mental Health (NIMH)** · enrollment: 3655 (actual)

## Conditions studied

- Healthy Volunteer
- Mood Disorder
- Anxiety Disorder
- Preexisting Medical Condition

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04339790
- **Lead sponsor:** National Institute of Mental Health (NIMH)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-04-07
- **Primary completion:** 2021-05-17
- **Final completion:** 2021-06-02
- **Target enrollment:** 3655 (ACTUAL)
- **Last updated:** 2026-04-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04339790

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04339790, "Mental Health Impact of COVID-19 Pandemic on NIMH Research Participants and Volunteers". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04339790. Licensed CC0.

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