Addex Spin-Out Neurosterix Takes NTX-253 Closer To Phase 2 Schizophrenia Trial

Neurosterix, a spin-out from Addex Therapeutics (ADXN), completed Phase 1 trials for NTX-253, a schizophrenia treatment. The data supports advancing to Phase 2. Neurosterix was spun out in April 2024 with a $65M Series A funding. ADXN holds 20% equity. ADXN stock is up 10.50% in pre-market trading.

Original reporting
Published Oct 8, 2026, 11:42 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 8, 2026, 1:21 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefTechnology
Primary signal
$ADXN
Bullish
high confidence
Mentioned
$ADXN
Relevance
8/10
AlphAI data visualization · based on rttnews.com
Decision brief

The 30-second read

$ADXNBullishMed
01

Why it matters

The Phase 1 completion provides the first human safety and PK readout for NTX‑253, a potential differentiated treatment for schizophrenia, potentially de‑risking the program for future funding.

02

Market read

First‑report of Phase 1 data drives a notable pre‑market rally in ADXN, indicating short‑term trading interest.

03

What to watch

Addex retains only 20% of Neurosterix; future dilution or partnership terms could affect upside.

Relevance 8/10Novelty 8/10Timing: pre‑market today

Background

Addex Therapeutics (ADXN) spun out Neurosterix in 2024 with a $65 M Series A round; the company focuses on allosteric modulators for CNS disorders.

Company-level read

Ticker impact

$ADXNBullishHigh confidence
Context

Addex Therapeutics announced its spin‑out Neurosterix completed Phase 1 studies of NTX‑253 and the stock rose 10.5% in pre‑market trading.

Expected impact

likely upward pressure as traders price in the favorable trial results

Evidence & confidence

First‑report of Phase 1 safety and PK data for a novel M4 PAM, with immediate pre‑market price reaction.

Market effects

May lift sentiment for muscarinic‑targeted neuro‑psychiatric biotech sector.

Limited to US‑listed biotech investors; no broader regional effect.

Modest, confined to specialty pharma and biotech investors.

Counterpoint

Phase 1 data are early; investors may wait for Phase 2 before committing.

Key entities

  • Addex Therapeutics

    US‑listed biotech (ADXN) that holds a 20% equity stake in Neurosterix.

  • Neurosterix

    Spin‑out developing NTX‑253, a muscarinic M4 PAM for schizophrenia.

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$ADXNMedAI 8/10

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