Alto Neuroscience
Alto Neuroscience sponsors 10 registered US clinical trials on ClinicalTrials.gov, 4 of them currently recruiting, and 6 completed. 0 of these trials are in Phase 3-4 (later-stage) and 10 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Major Depressive Disorder, with 5 trials.
Trial Pipeline
10 total, page 1 of 1
ALTO-207 in Adults With Treatment-resistant Depression (TRD)
NCT07553637
ALTO-100 in Bipolar Disorder With Depression (BD-D)
NCT06656416
Study of ALTO-101 in Patients With Schizophrenia
NCT06502964
Study of ALTO-300 in MDD
NCT05922878
PD, PK, and Safety of ALTO-203 in Patients With MDD
NCT06391593
Phase 2b Study of ALTO-100 in MDD
NCT05712187
Pilot Decentralized Trial
NCT05419869
ALTO-300 in Depression (ALTO-300-004)
NCT05157945
ALTO-100 in MDD and/or PTSD
NCT05117632
ALTO-300 in Depression
NCT05118750
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 10 |
What the Pipeline for Alto Neuroscience Shows
According to the ClinicalTrials.gov registry, Alto Neuroscience is linked to 10 US clinical trials across every stage of research activity. Of those, 4 studies are currently recruiting, about 40% of the sponsor's indexed portfolio, and 6 are already marked complete, representing roughly 60% of the total.
The phase mix for Alto Neuroscience reports 0 late-stage studies (Phase 3 and Phase 4 combined) and 10 earlier-phase studies (Phase 1 and Phase 2).
The top therapeutic focus area indexed for Alto Neuroscience is Major Depressive Disorder with 5 linked trials, and 4 other condition areas appear in the top list above.
How to read these pipeline numbers
Recruiting share is one of the more practical signals here: it reflects how much of a sponsor's research is presently open to new participants, while the completed share indicates the depth of finished work that has already contributed registry results. Both counts come directly from the public ClinicalTrials.gov dataset and are refreshed on the registry side; this page mirrors the latest data pull without altering it.
A portfolio weighted toward Phase 3 usually reflects an organization advancing candidates toward regulatory review, where the research centers on comparative efficacy and broader safety across larger populations. A heavier Phase 1 and Phase 2 tilt generally indicates exploratory work, safety, dosing, and early signal detection, and is common among research-forward sponsors that seed many early programs. Phase 4 entries, when present, track interventions already in real-world use and typically focus on long-term safety, effectiveness across subgroups, or formulation comparisons.
That distribution is a quick read of where the organization concentrates its research attention; it does not imply product availability, market share, or any clinical endorsement. All numbers on this page come from ClinicalTrials.gov maintained by the National Library of Medicine, and counts can shift as new studies are registered or existing ones update their status. This information is provided for reference and educational purposes only, not as medical, investment, or regulatory advice, verify current details directly with ClinicalTrials.gov before relying on any figure here.
Read our methodology - how this data is sourced, computed, and verified.
Related
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial from this sponsor, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.