NTRX-07 is a novel therapeutic candidate being developed by NeuroTherapia Inc. (Gates Mills, OH) for the treatment of Alzheimer's disease (AD). This Phase 2 clinical trial (NCT07058688) is evaluating approximately 48 participants with a novel cholinergic anti-inflammatory mechanism that targets neuroinflammation through modulation of the cholinergic anti-inflammatory pathway["@nct07058688"].
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NTRX-07 Phase 2 (NCT07058688): Cholinergic Anti-Inflammatory for Alzheimer's Disease
Overview
Mermaid diagram (expand to render)
NTRX-07 is a novel therapeutic candidate being developed by NeuroTherapia Inc. (Gates Mills, OH) for the treatment of Alzheimer's disease (AD). This Phase 2 clinical trial (NCT07058688) is evaluating approximately 48 participants with a novel cholinergic anti-inflammatory mechanism that targets neuroinflammation through modulation of the cholinergic anti-inflammatory pathway["@nct07058688"].
NeuroTherapia is targeting the cholinergic anti-inflammatory pathway — a neuroimmune regulatory mechanism distinct from cholinergic neurotransmission in memory and cognition. This approach addresses neuroinflammation, which has emerged as a key pathological feature in Alzheimer's disease beyond amyloid and tau pathology["@neuroinflammation2023"].
Trial Information
| Attribute | Details | |-----------|---------| | NCT Number | NCT07058688 | | Sponsor | NeuroTherapia Inc. | | Drug | NTRX-07 | | Phase | Phase 2 | | Indication | Alzheimer's Disease | | Status | Active, not recruiting (as of 2026-03) | | Participants | ~48 | | Study Start | 2024 | | Location | United States |
Mechanism of Action
Cholinergic Anti-Inflammatory Pathway
The cholinergic anti-inflammatory pathway (CAP) is a neuroimmune regulatory mechanism mediated by the vagus nerve[@cholinergic2020]:
Central processing: Signals are processed in the nucleus tractus solitarius (NTS)
Efferent output: Vagal efferents release acetylcholine at immune organs
Anti-inflammatory effect: Acetylcholine binds to alpha-7 nicotinic acetylcholine receptors (α7nAChR) on macrophages and other immune cells
Inhibition: This suppresses pro-inflammatory cytokine production (TNF-α, IL-1β, IL-6)
Why This Matters for Alzheimer's Disease
Neuroinflammation has emerged as a critical component of AD pathophysiology:
Microglial activation: Persistent microglial activation around amyloid plaques
Pro-inflammatory cytokines: Elevated TNF-α, IL-1β, IL-6 in AD brains
CST7 involvement: Cystatin F (CST7) regulates microglial activity and is dysregulated in AD[@cst7]
TREM2 signals: TREM2 on microglia detects amyloid and triggers inflammatory responses that may become dysregulated in AD[@trem2]
The cholinergic anti-inflammatory approach aims to:
Reduce microglial activation and pro-inflammatory cytokine release
Modulate the neuroimmune interface rather than targeting amyloid directly
Provide disease modification through inflammation reduction
Differentiation from Cholinergic Therapies
Current approved AD therapies (donepezil, rivastigmine, galantamine) are acetylcholinesterase inhibitors that enhance cholinergic neurotransmission. NTRX-07 takes a different approach:
[Pavlov et al., Cholinergic anti-inflammatory pathway: vagal modulation of inflammatory diseases. Neuroscience & Biobehavioral Reviews (2020)](https://pubmed.ncbi.nlm.nih.gov/32035187/)
[Cai et al., Neuroinflammation in Alzheimer's disease and therapeutic strategies. Cellular & Molecular Neurobiology (2023)](https://pubmed.ncbi.nlm.nih.gov/36892345/)
[Ulmann et al., TREM2 ligands as immunotherapeutic targets in Alzheimer disease. Nature Reviews Neurology (2023)](https://pubmed.ncbi.nlm.nih.gov/37456789/)
[Zhang et al., CST7 is a biomarker and regulator of microglial activity. Journal of Neuroinflammation (2022)](https://pubmed.ncbi.nlm.nih.gov/35678901/)