Therapeutic properties of ayahuasca component N,N-Dimethyltryptamine in a pre-clinical model of Parkinson's disease.
Javier Calleja-Conde, Víctor Echeverry-Alzate, Marina Sanz-sancristobal, Sandra Alonso-gil, Elena Giné, Kora Bühler, Jose A López-moreno, Ana Perez-castillo, José A Morales-garcía
Experimental neurology September 1, 2026 Peer reviewed DOI: 10.1016/j.expneurol.2026.115822 via PubMed
Summary
DMT administration in a preclinical model of Parkinson's disease leads to reduced neuroinflammation and preservation of neurons in the nigrostriatal pathway. Behavioral assessments also show symptomatic improvements following treatment. These findings suggest that DMT may have therapeutic potential as a disease-modifying agent for Parkinson's disease.
Study at a glance
| Population | preclinical model of Parkinson's disease |
|---|---|
| Key finding | DMT administration results in molecular changes consistent with reduced neuroinflammation and neuronal preservation. |
Abstract
Parkinson's disease is a progressive neurodegenerative disorder with increasing global prevalence, primarily driven by population ageing. A hallmark of the disease is the degeneration of nigrostriatal dopaminergic neurons, accompanied by marked activation of glial cells and a sustained neuroinflammatory response. Current pharmacological treatments are limited to symptomatic relief and do not halt or reverse disease progression. Ayahuasca, a traditional Amazonian psychoactive brew, has attracted growing scientific interest for its potential therapeutic effects in neuropsychiatric and neurodegenerative conditions. Its principal psychoactive compound, N,N-dimethyltryptamine (DMT), acts as an agonist at the 5-HT2A serotonin receptor-responsible for its hallucinogenic properties-and at the sigma-1 receptor, a molecular target implicated in neuroprotection and modulation of inflammation. This study investigates the neuroprotective and anti-inflammatory potential of DMT in a preclinical model of Parkinson's disease. Our findings demonstrate that DMT administration results in molecular changes within the nigrostriatal pathway consistent with reduced neuroinflammation and neuronal preservation. Furthermore, behavioral assessments indicate symptomatic improvements following treatment. These results support the therapeutic potential of DMT as a disease-modifying agent in Parkinson's disease and warrant further investigation.