A Study of the Safety and Efficacy of SP-624 in the Treatment of Adults With Major Depressive Disorder
Public ClinicalTrials.gov record NCT04479852. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Multicenter, Double-Blind, Randomized, Placebo-Controlled Study of the Safety and Efficacy of SP-624 in the Treatment of Adults With Major Depressive Disorder
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a Phase 2 clinical study evaluating the safety and effectiveness of SP-624 as compared to placebo in the treatment of adults with Major Depressive Disorder.
Study identification
- NCT ID
- NCT04479852
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 319 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 65 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 30, 2020 (Actual)
- Primary completion
- Jun 27, 2022 (Actual)
- Completion
- Aug 9, 2022 (Actual)
- Last update posted
- Jun 12, 2025
2020 – 2022
United States locations
- U.S. sites
- 39
- U.S. states
- 20
- U.S. cities
- 39
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Alea Research | Phoenix | Arizona | 85012 | — |
| Woodland International Research Group | Little Rock | Arkansas | 72211 | — |
| Woodland Research Northwest | Rogers | Arkansas | 72758 | — |
| Collaborative Neuroscience Research | Garden Grove | California | 92845 | — |
| Pacific Research Partners | Oakland | California | 94607 | — |
| Artemis Institute for Clinical Research | San Diego | California | 92103 | — |
| Collaborative Neuroscience Research | Torrance | California | 90502 | — |
| MCB Clinical Research Centers | Colorado Springs | Colorado | 80910 | — |
| Sarkis Clinical Trials | Gainesville | Florida | 32607 | — |
| Clinical Neuroscience Solutions, Inc. | Jacksonville | Florida | 32256 | — |
| Innovative Clinical Research | Lauderhill | Florida | 33319 | — |
| Clinical Neuroscience Solutions, Inc. | Orlando | Florida | 32801 | — |
| Institute for Advanced Medical Research | Alpharetta | Georgia | 30022 | — |
| Atlanta Center for Medical Research | Atlanta | Georgia | 30331 | — |
| iResearch Atlanta | Decatur | Georgia | 30030 | — |
| American Medical Research | Chicago | Illinois | 60612 | — |
| Capstone Clinical Research | Libertyville | Illinois | 60048 | — |
| CBH Health | Gaithersburg | Maryland | 20877 | — |
| Midwest Research Group | Saint Charles | Missouri | 63304 | — |
| Altea Research Institute | Las Vegas | Nevada | 89102 | — |
| Hassman Research Institute | Berlin | New Jersey | 08009 | — |
| Center for Emotional Fitness | Cherry Hill | New Jersey | 08002 | — |
| Hassman Research Institute | Marlton | New Jersey | 08053 | — |
| SPRI Clinical Trials | Brooklyn | New York | 11235 | — |
| Manhattan Behavioral Medicine | New York | New York | 10036 | — |
| Richmond Behavioral Associates | Staten Island | New York | 10312 | — |
| New Hope Clinical Research | Charlotte | North Carolina | 28211 | — |
| Clinical Trials of America | Hickory | North Carolina | 28601 | — |
| Midwest Clinical Research Center | Dayton | Ohio | 45417 | — |
| Cutting Edge Research Group | Oklahoma City | Oklahoma | 73116 | — |
| Oregon Center for Clinical Investigations | Portland | Oregon | 97214 | — |
| Oregon Center for Clinical Investigations | Salem | Oregon | 97301 | — |
| Lehigh Center for Clinical Research | Allentown | Pennsylvania | 18104 | — |
| Clinical Neuroscience Solutions, Inc. | Memphis | Tennessee | 38119 | — |
| Donald J. Garcia, Jr., MD, PA | Austin | Texas | 78737 | — |
| Future Search Trials of Dallas | Dallas | Texas | 75231 | — |
| Red Oak Psychiatry Associates | Houston | Texas | 77090 | — |
| Grayline Research Center | Wichita Falls | Texas | 76309 | — |
| Core Clinical Research | Everett | Washington | 98201 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04479852, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 12, 2025 · Synced Oct 26, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04479852 live on ClinicalTrials.gov.