115 E Fort Union Blvd, Midvale, UT 84047
Neuro-Restore™
The clinical and physiological research behind each part of the Tetra-Therapy method.
The Tetra-Therapy method is built on four goals, and every therapy in the Neuro-Restore™ Program is chosen because there is a physiological or clinical rationale behind it. This page collects the supporting research, organized by mechanism, so you can review the science directly rather than take our word for it.
A note on how to read this page: these citations describe the physiological mechanisms and general clinical research behind each therapy category. They describe how these approaches are understood to work and what has been studied in peer-reviewed literature — they are not a guarantee of outcome for any individual patient. See our Medical Disclaimer for more information.
Neuropathy affects more than the nerve fibers themselves — it's closely tied to how blood vessels in the feet regulate blood flow. Research shows that in diabetic peripheral neuropathy, the nerves that normally trigger a protective increase in blood flow in response to stress or injury stop functioning correctly, leaving the tissue vulnerable to injury even when resting blood flow appears adequate.
Source: Tentolouris N, et al. "Diabetic neuropathy and microcirculation." Current Diabetes Reports. PubMed 14611739
Research on medical ozone therapy describes a process where introducing ozone into the body triggers the release of compounds that affect red blood cell flexibility and oxygen-carrying capacity, which is believed to support improved circulation at the small-vessel level. Reviews of ozone therapy in peripheral vascular conditions describe consistent findings around improved microcirculation and tissue oxygenation.
Sources: "Oxygen-Ozone (O2-O3) Therapy in Peripheral Arterial Disease (PAD): A Review Study." PMC7334138 | "Ozone therapy: Mechanisms and clinical applications." PMC12744443
A randomized controlled trial specifically studying whole-body vibration in patients with painful diabetic peripheral neuropathy found measurable benefits in pain levels, balance, proprioception, and quality of life after six weeks of therapy, in addition to standard medical care. Related research has also linked whole-body vibration to improvements in peripheral blood flow in patients with type 2 diabetes.
Sources: "Whole body vibration showed beneficial effect on pain, balance measures and quality of life in painful diabetic peripheral neuropathy: a randomized controlled trial." Journal of Diabetes & Metabolic Disorders. Springer, 2019 | "Effects of Whole Body Vibration on Glycemic Indices and Peripheral Blood Flow in Type II Diabetic Patients." PMC5609690
A randomized, sham-controlled clinical trial of photobiomodulation therapy in patients with type 2 diabetes and peripheral neuropathy measured neuron-specific biomarkers before and after a course of low-level laser treatment applied to the feet, finding measurable clinical and biomarker changes compared to the sham-treated control group.
Source: "A single blinded randomized controlled trial assessing the effect of photobiomodulation therapy on neuron specific biomarkers in type II diabetes mellitus patients with peripheral neuropathy." PubMed 40090424
Pacinian corpuscles are deep-skin mechanoreceptors specifically tuned to detect vibration in roughly the 100–400Hz range, which places 128Hz within their primary sensitivity band. Research on diabetic peripheral neuropathy has identified Pacinian corpuscles as one of the mechanoreceptor types affected earliest in the progression of the condition, which is part of why vibration-based testing and stimulation at this frequency range is clinically relevant to neuropathy care.
Sources: "Physiology, Vibratory Sense." StatPearls. NCBI Bookshelf NBK542288 | "Vibrotactile Sensitivity and the Frequency Response of the Pacinian Corpuscle." ResearchGate
Foot-sole vibration at frequencies that selectively activate Pacinian corpuscles has also been shown, in a controlled laboratory study, to influence ankle joint position sense — a finding that connects vibration-based stimulation of the foot to balance and proprioception, not just sensation alone.
Source: Mildren RL, Bent LR. "Vibrotactile stimulation of fast-adapting cutaneous afferents from the foot modulates proprioception at the ankle joint." Journal of Applied Physiology, 120(8), 855–864, 2016. PubMed 26823342
Manufacturer documentation for our specific 128Hz Ultrasonic Nerve Plate, including its intended use statement and the rationale for the 30-second on/off cycling pattern, will be added here once available.
A meta-analysis of randomized controlled trials evaluated transcutaneous electrical nerve stimulation in patients with symptomatic diabetic peripheral neuropathy and found a beneficial effect on pain relief at six weeks and on overall neuropathic symptoms at twelve weeks of follow-up, with no device-related adverse effects reported across the included trials.
Source: "Effect of transcutaneous electrical nerve stimulation on symptomatic diabetic peripheral neuropathy: a meta-analysis of randomized controlled trials." PubMed 20510476
Clinical literature on lumbar spine pathology describes how compression of nerve roots at their point of origin in the lower spine can produce radiating symptoms — including pain, numbness, and weakness — in the legs and feet, distinct from and sometimes overlapping with peripheral neuropathy of other origins. This is part of why a complete evaluation includes an assessment of spinal structure alongside peripheral nerve testing.
Source: "Differentiating Lumbar Spinal Etiology from Peripheral Plexopathies." Biomedicines. PMC10044821
Neuropathy doesn't just affect sensation — reduced foot-sole feedback is closely tied to balance problems and fall risk in affected patients. Research shows that vibrotactile stimulation of the foot sole at frequencies tuned to Pacinian corpuscles measurably influences ankle joint position sense, supporting the role of foot-sole sensory input in proprioception and balance.
Source: Mildren RL, Bent LR. "Vibrotactile stimulation of fast-adapting cutaneous afferents from the foot modulates proprioception at the ankle joint." Journal of Applied Physiology, 120(8), 855–864, 2016. PubMed 26823342
A randomized, double-blinded, sham-controlled crossover trial enrolled 70 patients with CIPN to evaluate whether photobiomodulation therapy reduced neuropathy symptoms compared to sham treatment. The study found that the large majority of patients experienced significant improvement in neuropathy scores, with benefits beginning within weeks of starting treatment and persisting for at least ten weeks after treatment ended.
Source: Argenta PA, et al. "The effect of photobiomodulation on chemotherapy-induced peripheral neuropathy: A randomized, sham-controlled clinical trial." Gynecologic Oncology, 144(1), 159–166, 2017. PubMed 27887804
A 2023 review examined the rationale for medical ozone as a treatment for chemotherapy-induced peripheral neuropathy (CIPN), a condition driven substantially by oxidative stress, inflammation, and tissue hypoxia — all mechanisms ozone therapy is understood to influence. The review cites a small preliminary study in which seven patients with grade II or III CIPN received rectal ozone insufflation and experienced a clinically meaningful reduction in pain, an effect that was partially sustained at three and six months. A larger, ongoing randomized controlled trial is currently testing this approach against a placebo arm.
A note on delivery method: this research used rectal ozone insufflation, not the meridian injection method used in our protocol. The underlying therapeutic agent is the same, but the specific delivery route studied here differs from ours. The review's own authors note that ozone's direct effects on CIPN are not yet well established and that further investigation is warranted — this is an area of active, promising research rather than settled science.
Source: Szklener K, et al. "Ozone in Chemotherapy-Induced Peripheral Neuropathy—Current State of Art, Possibilities, and Perspectives." International Journal of Molecular Sciences, 24(6), 5279, 2023. PMC10049472
This page will be updated as additional peer-reviewed research and manufacturer documentation become available. Individual results vary; these citations describe general research findings, not guaranteed outcomes. See our Medical Disclaimer.