๐๏ธ Verified NIH Record โข Updated 2025-07-21
Study of ALTO-300 in MDD (NCT05922878)
๐ข Recruiting Phase2 ๐ Investigational Drug / Biologic Sponsor: Alto Neuroscience
๐ฉบ Plain-English Summary (8th-Grade Level)
The purpose of this study is to determine efficacy differences between ALTO-300 and placebo, used adjunctively to an antidepressant, related to patient characteristics.
Who can join: To join this study, participants generally need to meet the listed inclusion criteria (4 items) and avoid the listed exclusions (7 items).
Location: Site 200 โ Phoenix, Arizona
๐ "Do I Qualify?" โ 1-Minute Self Screener
Instant ChecklistCheck every box below. If you can check all of them, you may meet the study's basic screening requirements (final eligibility is confirmed by the site team).
Usually NOT eligible if any of the following apply:
- Exclusion Criteria:
- Evidence of unstable medical condition
- Nightly use of sleep medication
- Diagnosed bipolar disorder, psychotic disorder, or dementia
- Current moderate or severe substance use disorder
- Has a history of hypersensitivity or allergic reaction to ALTO-300 or any of its components/excipients
- Concurrent or recent participation in another clinical trial for mental illness involving an investigational product or device
๐ Extracted verbatim from the official NIH eligibility criteria. Always confirm with the study coordinator.
๐ All Participating Trial Locations (45 Sites)
- Site 200 โ Phoenix, Arizona
- Site 189 โ Phoenix, Arizona
- Site 187 โ Yuma, Arizona
- Site 193 โ Rogers, Arkansas
- Site 218 โ Bellflower, California
- Site 217 โ Glendale, California
- Site 335 โ Lafayette, California
- Site 209 โ Los Angeles, California
- Site 219 โ Mather, California
- Site 194 โ Mission Viejo, California
- Site 197 โ Temecula, California
- Site 203 โ Colorado Springs, Colorado
- Site 349 โ Evergreen, Colorado
- Site 214 โ Norwalk, Connecticut
- Site 159 โ Clermont, Florida
- Site 225 โ Miami Gardens, Florida
- Site 190 โ Miami Lakes, Florida
- Site 161 โ Okeechobee, Florida
- Site 221 โ Tampa, Florida
- Site 220 โ West Palm Beach, Florida
- Site 224 โ Savannah, Georgia
- Site 208 โ Snellville, Georgia
- Site 119 โ Boise, Idaho
- Site 310 โ Chicago, Illinois
- Site 201 โ Marrero, Louisiana
๐ฐ Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.