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Definium Therapeutics Announces Positive Topline Results from Phase 3 Emerge Study of DT120 Orally Disintegrating Tablet (ODT) in Major Depressive Disorder

$DFTXPress releaseJun 22, 2026, 7:00 AM ETRead the release

Definium Therapeutics reported positive topline results from its Phase 3 Emerge study of DT120 ODT in Major Depressive Disorder, meeting the primary endpoint at Week 6 with a statistically significant 8.1-point placebo-adjusted improvement in MADRS scores. The single 100 µg dose demonstrated rapid efficacy with a 14.2-point reduction at Week 1 and durable effects of -7.3 points at Week 12, while being generally well tolerated with no serious adverse events or suicidality signals.

Key figures

Drug Name
DT120 (lysergide) ODT
Phase Of Trial
Phase 3
Response rate drug
35%
Remission rate drug
24%
Primary endpoint diff
-8.1
Response rate placebo
7%
Remission rate placebo
3%
Primary endpoint p value
<0.0001
Secondary endpoint diff wk1
-14.2
Secondary endpoint diff wk12
-7.3

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