Alto Neuroscience
Clinical trials sponsored by Alto Neuroscience, explained in plain language.
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New depression drug shows promise in early trial
Symptom relief CompletedThis study tested an experimental drug called ALTO-203 in 69 adults with moderate major depressive disorder who also had anhedonia (loss of interest or pleasure). Participants received either a low dose, a higher dose, or a placebo, and reported their mood and alertness. The goal…
Phase: PHASE2 • Sponsor: Alto Neuroscience • Aim: Symptom relief
Last updated Jun 27, 2026 12:08 UTC
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New depression drug shows promise in Mid-Stage trial
Symptom relief CompletedThis study tested whether a new drug called ALTO-100 can reduce depression symptoms better than a placebo. 301 adults with moderate to severe major depressive disorder took either ALTO-100 or a placebo pill for 6 weeks, either alone or alongside their usual antidepressant. The ma…
Phase: PHASE2 • Sponsor: Alto Neuroscience • Aim: Symptom relief
Last updated Jun 26, 2026 14:27 UTC