University of California, San Diego (UCSD) Suramin Treatment Trial for Autism

2015-07-28 13:53:47 | BioPortfolio


This study is designed to test the safety and efficacy of a single, intravenous dose of suramin in autism spectrum disorders (ASD).


This study is designed to test a new theory of the origin and treatment of ASD. In this theory, ASD is caused by both genes and environment interacting to produce a persistent cell danger response (CDR; Naviaux RK, 2014) that interferes with and alters normal child brain development. Gut microbiome and immune systems are also affected. In this theory, the pathological persistence of the cell danger response is traceable to mitochondria, and maintained by purinergic signaling mediated by the release of extracellular nucleotides like adenosine triphosphate (ATP), adenosine diphosphate (ADP), uridine triphosphate (UTP), and uridine diphosphate (UDP). Suramin inhibits excess purinergic signaling by acting as a competitive inhibitor of nucleotide signaling at both ionotropic purinergic (P2X) receptors, and G-protein coupled, metabotropic purinergic (P2Y) receptors. Suramin has been found to correct the symptoms, metabolism, and brain synaptic abnormalities in two classical genetic and environmental mouse models of autism (Naviaux JC, et al. 2015; Naviaux JC, et al. 2014; Naviaux RK, et al. 2013). This study will test the safety and efficacy of a single dose of suramin in children with ASD. While it is not anticipated that a single dose will produce benefits for more than a few weeks, if successful, this study may lead to the development of newer and safer drugs for autism treatment.

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment


Autism Spectrum Disorders


Suramin, Saline


University of California, San Diego School of Medicine
La Jolla
United States




University of California, San Diego

Results (where available)

View Results


Published on BioPortfolio: 2015-07-28T13:53:47-0400

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Medical and Biotech [MESH] Definitions

Wide continuum of associated cognitive and neurobehavioral disorders, including, but not limited to, three core-defining features: impairments in socialization, impairments in verbal and nonverbal communication, and restricted and repetitive patterns of behaviors. (from DSM-V)

A childhood disorder predominately affecting boys and similar to autism (AUTISTIC DISORDER). It is characterized by severe, sustained, clinically significant impairment of social interaction, and restricted repetitive and stereotyped patterns of behavior. In contrast to autism, there are no clinically significant delays in language or cognitive development. (From DSM-IV)

These disorders are related to both SCHIZOPHRENIA SPECTRUM AND RELATED DISORDERS and DEPRESSIVE DISORDERS in terms of symptomatology, family history, and genetics. (DSM-V) .

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