VLS-01 · program

VLS-01 for Treatment-resistant depression

Phase 2RecruitingAtai Beckley N.V. (AtaiBeckley) (ATAI)

VLS-01 (DMT buccal film) for treatment-resistant depression — AtaiBeckley's lead program for this asset, paired with a digital therapeutic. Pivotal-stage Phase 2 'Elumina' trial ongoing (first patient dosed March 2025); positive Phase 1b PK reported Aug 2024.

Development timeline

Phase 2Dec 2024
  1. Phase 2 Elumina trial (NCT06524830) for TRD started; first patient dosed March 2025.
Phase 1Aug 2024
  1. Positive Phase 1b results for VLS-01 buccal film DMT (effects resolved within 90-120 min).

Clinical trials in Treatment-resistant depression

NCT06524830VLS-01-203 (Elumina)Phase 2Recruitingn=142

Phase 2 Trial of VLS-01 Buccal Film in Treatment Resistant Depression (ELUMINA)

Started Dec 2024· Primary completion Aug 2026· 📍 48 sites across 4 countries (United States, Australia, United Kingdom, Canada)

Formulations

FormulationRouteRegimenPharmacokinetics
VLS-01 buccal film (DMT oral transmucosal film)oral transmucosal film (OTF) applied to the buccal surface
Buccal film doses of 20 mg, 60 mg, 120 mg and 160 mg evaluated in the Phase 1b trial; Phase 2 (Elumina) administers repeat doses (Day 1 and Week 2, optional third dose at Week 14).
BuccalSingle doseTmax 0.63 h

Mechanism of action (compound-wide)

DMT is a non-selective serotonergic agonist; psychedelic/antidepressant effects are attributed primarily to 5-HT2A agonism, with additional 5-HT2C and 5-HT1A activity.

TargetActionAffinity
5-HT2AprimaryHTR2AAgonist
5-HT1AHTR1AAgonist
5-HT2CHTR2CAgonist

← Full VLS-01 compound page (identity, identifiers, all indications)

Sources

  1. Agonist properties of N,N-dimethyltryptamine at serotonin 5-HT2A and 5-HT2C receptors — PubMed
  2. atai Life Sciences Announces Positive Preliminary Results from Phase 1b Trial of VLS-01 (Buccal Film DMT) — atai Life Sciences (press release)
  3. ELUMINA (NCT06524830) — ClinicalTrials.gov
  4. First Patient Dosed in Elumina Phase 2 — AtaiBeckley IR
  5. Positive Phase 1b results for VLS-01 — BioSpace