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The Future of Autism Diagnosis and Therapy: An Interview With John Slattery

Updated on March 24, 2023

Article Summary:

  • John Slattery, founder and CEO of BioROSA Technologies Inc. is a pioneer in the field of autism research.
  • Slattery has developed new tools for diagnosing autism based on using lab-based methods and advocates approaching patients from the perspective of mitochondrial medicine.
  • Research by Dr. Richard Frye and Dr. Shannon Rose, two of Slattery’s collaborators, indicates that butyrate supplementation has the potential to address autism symptoms by directly targeting mitochondria.

Autism is popularly considered a disorder of the brain that manifests itself via behavioral and social difficulties. Recently, however, researchers are realizing that profound gastrointestinal and metabolic abnormalities might be inextricably linked to patient behavioral symptoms. In the midst of this new frontier of autism research, scientists like John Slattery are engaging in multi-disciplinary approaches to develop tools for helping patients.

As the founder and CEO of BioROSA Technologies, Inc., and a longtime collaborator with top autism researchers like Dr. Richard Frye, Slattery has a history of making valuable contributions to autism research. By investigating new diagnostic methods and with the hopes of partnering with companies that are developing novel compounds that have the potential to target the microbiome and metabolic pathways of patients, Slattery is pioneering a new diagnostic paradigm. This approach can potentially lead to enhanced understanding and allow practitioners to have novel biomarker tools to assist in therapeutic developments.

Slattery’s company is developing a diagnostic test that, upon successful validation, could complement the autism diagnostic evaluation. BioROSA would do this through biological investigations, in addition to behavioral and clinical evaluations, that would greatly enhance the diagnostic process and decrease the diagnostic bottlenecks and hurdles that currently plague clinicians and parents alike, impeding access to the early interventions known to produce better outcomes. In addition to his role as Founder & CEO of BioROSA Technologies, which aims to create a biologically-based standard of care for ASD, Slattery is also a member of the science advisory board at Tesseract Medical Research, where his extensive experience in conducting clinical trials is invaluable.

In this interview, Slattery discusses the clinical and epidemiological value of his novel testing, as well as his views on the most promising developments in the field and how they might be used to minimize the impact of autism worldwide.

A New Approach to Autism Leads to New Diagnostic Methods

At present, doctors must diagnose autism by observing patient behavior and assessing reports from caregivers. Unfortunately, behavioral diagnosis of autism relies on diagnostic methods that can be inconsistent from clinician to clinician. There is currently no objective biomarker-based methodology to enable clinicians to determine whether they are making the correct diagnosis. For example, if a cardiologist wants to assess cardiac function, then there are many biological tools available to assess how the heart is functioning and which interventions might be needed. This is not possible today with autism. There are no lab-based biomarkers for clinicians to use. Furthermore, doctors can’t assess the risk of developing autism.

Slattery and his colleagues have discovered a compelling method that sidesteps some of the aforementioned complications that accompany subjective assessments and opens up the possibility of better diagnostic methods. “Within the next four years, my company, if successful, will develop a way to diagnose autism through a lab-based test,” he says. By examining biomarkers rather than behavioral symptoms, the test will allow for an easier and more accurate diagnosis. Such a diagnostic test would facilitate earlier and more accurate identification of autism and lead to earlier diagnostic timelines, alleviate diagnostic bottlenecks, and allow for earlier interventions.

However, the value of biomarker testing goes beyond diagnosis. “There are a lot of treatment strategies that are, frankly, ineffective or dangerous,” Slattery explains. “Patients and their families might not need to be practicing these alternative treatment strategies. Hopefully, we can create an objective standard of care which industry and clinicians alike can use to evaluate whether treatments are working.” Currently, much like with diagnosis, practitioners are left to subjectively assess behavioral criteria in response to therapy. These criteria are difficult to sample effectively and efficiently, as doing so requires significant time and cooperation, which within a clinical setting is almost impossible. This is complicated further by the fact that such assessments of behavior are often not a part of the care model because they don’t lead to insurance reimbursement, because there are currently no FDA-approved interventions that have efficacy for ASD. By providing practitioners with a tool to measure the impact of their interventions, it will be possible to create objective rubrics to help the practitioner assess which intervention is appropriate to use for a given patient and track therapeutic efficacy at a physiological level.

Metabolic Disorders: Are They a Consequence of Autism? Or a Cause?

To assess a patient’s metabolism and use that assessment for diagnosis, Slattery needed to identify a biochemical property that correlates with developing autism. In Slattery’s Redox Oxidative Stress Analysis (ROSA) test, oxidative stress-related metabolic pathology is that biochemical property. Oxidative stress is the process by which byproducts of metabolism interfere with cellular function, resulting in cellular damage and disrupting proper cell function. This phenomenon is particularly damaging to the mitochondria of cells, which are responsible for producing energy to power other cellular machinery. Patients with autism have been repeatedly shown to exhibit very high levels of oxidative stress compared to their normally developing peers, indicating their body’s cellular machinery is not working properly, which substantially impairs mitochondrial function and leads to other significant physiological concerns.

Using machine learning and laboratory techniques like mass spectrometry, ROSA can determine whether a patient’s cells are experiencing high levels of oxidative stress that impede cellular function. Higher levels of oxidative stress correlate with the more severe behavioral symptoms of autism and might also correlate with more severe gastrointestinal symptoms, as well as other medical symptoms that have been reported in ASD, such as impaired immune function. Importantly, researchers like Slattery have discovered molecules that act as markers for ongoing oxidative stress. In particular, glutathione, a tripeptide, is critical for assessing oxidative stress because glutathione’s primary purpose in the body is to prevent oxidative stress from damaging cells. Malfunctional glutathione utilization in the body is thus a major indicator of autism. As Slattery explains:

“Patients with autism have significant problems with glutathione production and also glutathione utilization. If you look at the metabolic pathways, then you can look at all the biochemical steps above glutathione and find that patients with autism have abnormalities every step along the way. Of course, you’re going to have problems with glutathione when those steps are banged up. Improving glutathione’s metabolism could, therefore, potentially have tremendous implications for correcting the biochemical problems of autism and also enhancing behavior. Investigations into the precursor for glutathione production, N-acetyl-l-cysteine (NAC), have also shown promise in ASD and other neuropsychiatric conditions. I have just published a book chapter on this work with my colleague, Dr. Richard Frye.”

But Slattery’s perspective on how metabolic issues and oxidative stress relate to autism symptoms is broader than abnormal glutathione metabolism alone. Indeed, although oxidative stress impacts many different interconnected physiological systems, all stem from the metabolic action of the mitochondria. “Mitochondrial medicine is a relatively new field in medicine, although, amazingly, the mitochondria were first described as early as the 1840s,” Slattery says. “Mitochondrial medicine has really only been around conceptually as a medical discipline since the 1980s, but it wasn’t until recently that we had the technology to explore it more efficiently and effectively.” This new field of medicine has enormous implications for the future of autism diagnosis and therapy, especially in light of new research that implicates the gastrointestinal tract and microbiome in autism-related dysfunction and how these systems seem to be evolutionarily conserved and interconnected in many complex ways.

The Advent of Mitochondrial Medicine

Rather than examining autism purely through the lens of neurology and psychology, understanding it in light of the role of mitochondrial dysfunction opens up new possibilities for not only diagnosis, but also for autism therapies. In terms of the possible scope of these new therapies, Slattery doesn’t conceal his excitement:

“Restorative therapies could be possible. All of these metabolic pathways that are interconnected are not performing properly. Can we, in a hypothetical world, identify these pathways and use the right interventions to be leveraged to push those pathways to normal levels to allow more normal physiological function and address patient symptoms to a point where the patient could recover? Potentially. That is the future we think is possible, and that is where we want to go. That’s what we’re going to try to achieve.”

So, what might metabolic-targeted therapies involve? Slattery has a number of ideas on this topic, including therapy with compounds like methyl-B12 and folate. One compound is especially promising to Slattery, however: butyrate.

Innovation Drives Effective Therapy

Slattery emphasizes that butyrate is a compound of great interest within mitochondrial medicine and the field of the microbiome. “Therapies such as butyrate can have a tremendous effect at limiting oxidative stress to the mitochondria,” he explains. Butyrate is particularly appealing to researchers because it is known to be bioactive; it is used by the body to regulate immune cells in the gastrointestinal tract.

Targeting the mitochondria of autism patients with butyrate can be challenging due to its unique characteristics, however. Butyrate is the chemical that gives vomit its characteristic smell, which makes it extremely unpalatable to most patients when given orally and introduces practical barriers to administration. “Butyrate is a gross compound to deal with,” Slattery says. “Trying to get a patient with autism to consume butyrate is no small task unless you can mask the taste and encapsulate it so the patient doesn’t know they’re consuming butyrate.”

Some researchers have addressed this challenge by creating tolerable delivery formulations for butyrate supplements—a major innovation that vastly broadens the landscape of potential therapies. Tesseract Medical Research, which develops cutting-edge therapies for neurological and gastrointestinal conditions, has produced two such nutritional supplements: ProButyrate and AuRx. “The thing that Tesseract has done that sets them apart from everyone else in the field is that they’ve developed a palatable supplement,” Slattery explains. This means that butyrate can be administered in a therapeutic capacity unlike ever before and could be a massive boon to patients. However, taste is not the only challenge to butyrate use; butyrate suffers from significantly poor bioavailability, which means that only specialized delivery mechanisms have a chance at providing a therapeutic benefit.

Butyrate is naturally produced by the body, and the body readily metabolizes any additional butyrate consumed orally as a result. This prevents butyrate from accessing the areas of the body that it needs to act on to produce symptom relief. To eliminate this obstacle, Tesseract has developed highly bioavailable delivery systems that can deliver intact butyrate directly to the physiological target. “You have to deliver butyrate throughout the GI tract, but in particular, to the colon,” says Slattery,  “It is not an easy thing to do, but Tesseract has accomplished that.” By delivering butyrate to the colon, the compound can exercise its antioxidant capabilities on the cells that need the most assistance in an autism patient.

Although Dr. Richard Frye and Dr. Shannon Rose’s in vitro research (of which Slattery was a collaborator and co-author) on butyrate showed promising preliminary results, it should be noted that the laboratory findings are far from the goal of clinical utility. A definitive result of butyrate efficacy on ASD symptomatology awaits the completion of clinical studies. “The stage has been set for a clinical trial testing butyrate in autism. That’s the next step. The fact that Tesseract has developed ProButyrate and AuRx is a significant piece of that.” Although Slattery’s company is not involved in ASD therapeutic research, Slattery views the ROSA testing platform as a natural potential companion to any significant ASD therapies.  In the future, clinicians could administer the ROSA test and receive a positive result for ASD diagnosis. In turn, hypothetically, they could follow up with alternative therapy (such as butyrate), monitor effects on oxidative stress, determine if the therapy is inhibiting oxidative stress, and correlate the effects with behavioral symptoms. This clinical pairing would be a major asset in the field because it would link therapy to an objective measurement of efficacy.

Minimizing Autism

New testing and therapy paradigms have a massive potential to help patients. But could ROSA or butyrate supplementation be a tool to minimize the prevalence of autism? “Maybe,” Slattery says cautiously before his tone changes to aspirational. “If you can sufficiently reduce the severity of cases by even 1 percent, there’s a significant economic return [from preventing the need for medical services] and you can also potentially change that patient’s life and their family’s life forever.” Slattery contends that although his ROSA technology has potential to open new avenues for diagnosis and monitoring, therapies like butyrate supplementation will have to be tested to assess their ability to improve symptoms. In this framework, Slattery thinks the next 20 years of autism research can address symptoms, but that the road to an autism-free world still extends over the horizon with tremendous amounts of research and validation from diagnostics and therapeutics necessary to achieve that lofty goal.

Nonetheless, Slattery is confident about the future of autism therapeutics research. “We’re optimistic that all is possible if the resources are put into the space and the work that needs to be done can be funded and put to the test through innovative academic-industry collaborative efforts,” Slattery says. “We’re about to be ready for the race. I think we’re still stretching right now … [but] I am optimistic and think things are about to take off like they never have before.”

The power of Tesseract supplements lies in enhancing palatability, maximizing bioavailability and absorption, and micro-dosing of multiple nutrients in a single, highly effective capsule. Visit our website for more information about how Tesseract’s products can help support your neurological health.*

Slattery cautions that all mentioned compounds need to be carefully evaluated in clinical trials and that none of his comments have been evaluated by the FDA and that the remarks he makes are strictly research-based without any implied or explicit warranties related to the use of any of these interventions for ASD patients. He stresses that families must consult with a physician before attempting to treat their child with any therapy, irrespective of presumed safety or efficacy.

Al Czap, Founder | Tesseract

Al Czap has more than four decades of professional experience in preventative medicine. He founded Thorne Research in 1984 (sold in 2010) and he published Alternative Medicine Review for 17 years beginning in 1996. AMR was a highly acclaimed, peer-reviewed, and indexed medical journal. Al was the first to recognize the need for hypoallergenic ingredients and to devise methods of manufacture for and delivery of hypoallergenic products to underserved patient populations. His work has greatly impacted those with impaired immune and digestive systems and compromised health due to environmental exposures.

The advanced formulations based on our revolutionary, patented, and patent-pending technology are only available through Tesseract. No other medical, pharmaceutical, or supplement company is licensed to utilize our proprietary technology.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
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