# A Brain Imaging Study to Assess the Binding of MSP-2020 to Serotonin 5-HT2A Receptors in Healthy Male Adults

> **NCT07329621** · PHASE1 · RECRUITING · sponsor: **Otsuka Pharmaceutical Development & Commercialization, Inc.** · enrollment: 18 (estimated)

## Conditions studied

- Incomplete Response - Major Depressive Disorder (IR-MDD)

## Interventions

- **DRUG:** MSP-2020

## Key facts

- **NCT ID:** NCT07329621
- **Lead sponsor:** Otsuka Pharmaceutical Development & Commercialization, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2026-01-15
- **Primary completion:** 2027-01-29
- **Final completion:** 2027-02-11
- **Target enrollment:** 18 (ESTIMATED)
- **Last updated:** 2026-02-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07329621

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07329621, "A Brain Imaging Study to Assess the Binding of MSP-2020 to Serotonin 5-HT2A Receptors in Healthy Male Adults". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT07329621. Licensed CC0.

---

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