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Ozone therapy: an overview of pharmacodynamics, current research, and clinical utility 2019


Ozone therapy: an overview of pharmacodynamics, current research, and clinical utility

Noel L. Smith1, Anthony L. wilson2, Jason Gandhi2, 3, Sohrab vatsia4, Sardar Ali Khan2, 5, *

1 Foley Plaza Medical, New York, NY, USA
2 Department of Physiology and Biophysics, Stony Brook University School of Medicine, Stony Brook, NY, USA 3 Medical Student Research Institute, St. George’s University School of Medicine, Grenada, West Indies
4 Department of Cardiothoracic Surgery, Lenox Hill Hospital, New York, NY, USA
5 Department of Urology, Stony Brook University School of Medicine, Stony Brook, NY, USA *Correspondence to: Sardar Ali Khan, M.D.,
orcid: 0000-0002-4759-530X (Sardar Ali Khan)



The use of ozone (O3) gas as a therapy in alternative medicine has attracted skepticism due to its unstable molecular structure. How-ever, copious volumes of research have provided evidence that O3’s dynamic resonance structures facilitate physiological interactions useful in treating a myriad of pathologies. Specifically, O3 therapy induces moderate oxidative stress when interacting with lipids. This interaction increases endogenous production of antioxidants, local perfusion, and oxygen delivery, as well as enhances immune responses. We have conducted a comprehensive review of O3 therapy, investigating its contraindications, routes and concentrations of administration, mechanisms of action, disinfectant properties in various microorganisms, and its medicinal use in different pathologies. We explore the therapeutic value of O3 in pathologies of the cardiovascular system, gastrointestinal tract, genitourinary system, central nervous system, head and neck, musculoskeletal, subcutaneous tissue, and peripheral vascular disease. Despite compelling evidence, further studies are essential to mark it as a viable and quintessential treatment option in medicine.

Key words: ozone; ozone therapy; ozone gas; autohemotherapy; oxidative stress; reactive oxidative species; lipid ozonation products; oxidative preconditioning

doi: 10.4103/2045-9912.215752
How to cite this article: Smith NL, Wilson AL, Gandhi J, Vatsia S, Khan SA. Ozone therapy: an overview of pharmacodynamics, current research, and clinical utility. Med Gas Res. 2017;7(3):212-219.




Ozone (O3) gas was discovered in the 1840s, and soon afterthat, the scientific community began to expand past the no-tion that it was just another gas of the Earth’s atmosphere. Though the migration of O3 into the medical field has taken a circuitous road since the 19th century, its medicinal value is currently controversial despite compelling research.1 O3is highly water-soluble inorganic molecule composed of three oxygen molecules. O3’s inherently unstable molecular structure, due to the nature of its mesomeric states, tends to make it difficult to obtain high concentrations. O3 will often experience transient reactions with itself or water. Thus, it was initially problematic to achieve desired levels

and even more difficult is to assess the therapeutic effects of such a transient state.1,2 These mesomeric states create a conundrum within the scientific community. A divide has formed between those who believe the volatile nature of these mesomeric states can foster positive responses and those who are wary of its seemingly dangerous effects.

Despite suspicions, a multitude of O3 therapies have shown substantial benefits that span a large variety of acute and chronic ailments. O3 is currently prevalent in dentistry to treat diseases of the jaw.1 O3 has also proven itself benefi-cial as a disinfectant for drinking water and sterilization of medical instruments.1,3 The function of O3 shares similarities to that of a prodrug, as it is modified upon reacting with




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molecules to create more active substrates, thus stimulating an endogenous cascade of responses. On the other hand, it is hard to classify O3 as simply a prodrug, due to its capability to directly interact with phospholipids, lipoproteins, cell envelopes of bacteria, and viral capsids. The physiology of these biological responses is herein discussed.

Despite the various benefits, O3 toxicity and clinical utility depends on the concentration and administration to the ap-propriate site.1,2,4,5 One of the major contraindications of O3therapy is lung inhalation. O3 therapy significantly increases airway resistance without changing the compliance or elas-tic characteristics of the lung.1 Additionally, direct contactof O3 with the eyes and lungs is contraindicated because of the low antioxidant capabilities in these specific locations.6

LIterature retrIevaL

A MEDLINE® database search of literature extended from 1980 to 2017 to obtain current information regardingO3 therapy, its routes of administration, and mechanism of action. Subsequently, trials pertaining to the clinical implications of O3 therapy were paired by pathology and anatomical system. The most important points refer to the type of pathology, route of O3 administration, type of research trial, result(s) of the trial, side effect(s), and proposed physiological mechanism(s). Literature retrieval was performed in July 2017 and included the term “ozone therapy” combined with the following search criteria: “routes of administration”, “mechanism of action”, “car-diovascular”, “subcutaneous tissue”, “peripheral vascular disease”, “neurological”, “head and neck”, “orthopedic”, “musculoskeletal”, “gastrointestinal”, and “genitourinary”. We did not formulate any exclusion criteria.

routes of admInIstratIon

O3 therapy combines a mixture of oxygen (O2)-O3, with adiverse therapeutic range (10–80 μg/mL of gas per mL of blood).5-7 O3 therapy administration is variable based on treatment goals and location of therapy. The first and most popular is O3 autohemotransfusion (O3-AHT). O3-AHT has grown in popularity because it allows for a predetermined amount of blood to be taken and thus, using stoichiometric calculations, a precise concertation of O2-O3 can be infused. This small amount of blood is subjected to O2-O3 ex vivois then administered to the patient.5,6 Extracorporeal blood oxygenation and ozonation are very similar techniques. However, its goal is to obtain higher blood volume thanthe 200–300 mL seen in O3-AHT.5

Other modalities of therapies include direct injectionvia the intramuscular, intradiscal, and paravertebral site of administration. Rectal insufflation of O2-O3 is anothercommon site of administration. However, insufflation of the

nasal, tubal, oral, vaginal, vesical, pleural, and peritoneal cavities have proven to be prudent routes of administration. Cutaneous exposure has also had likely outcomes and can be achieved by sealing the portion of the body in a chamber or bag and insufflating with O2-O3 mixture. Saline with O2-O3 dissolved is used to avoid the risk of embolism when administered intravenously.5

mechanIsm of actIon

Antioxidant capacity

Upon beginning O3 therapy, a multifaceted endogenous cascade is initiated and releases biologically active sub-strates in response to the transient, and moderate, oxidativestress that O3 induces. O3 can cause this mild oxidative stress because of its ability to dissolve in the aqueous com-ponent of plasma.8 By reacting with polyunsaturated fatty acids (PUFA) and water, O3 creates hydrogen peroxide (H2O2), a reactive oxygen species (ROS). Simultaneously,O3 forms a mixture of lipid ozonation products (LOP).9The LOPs created after O3 exposure include lipoperoxyl radicals, hydroperoxides, malonyldialdeyde, isoprostanes, the ozonide and alkenals, and 4-hydroxynonenal (4-HNE). Moderate oxidative stress caused by O3 increases ac-tivation of the transcriptional factor mediating nuclear factor-erythroid 2-related factor 2 (Nrf2). Nrf2’s domain is responsible for activating the transcription of antioxi-dant response elements (ARE). Upon induction of ARE transcription, an assortment of antioxidant enzymes gains increased concentration levels in response to the transient oxidative stress of O3. The antioxidants created include, but are not limited to, superoxide dismutase (SOD), gluta-thione peroxidase (GPx), glutathione S-transferase (GST), catalase (CAT), heme oxygenase-1 (HO-1), NADPH- quinone-oxidoreductase (NQO-1), heat shock proteins (HSP), and phase II enzymes of drug metabolism. Many of these enzymes act as free radical scavengers clinically relevant to a wide variety of diseases.9

O3, as well as other medical gases, e.g., carbon monoxide (CO) and nitric oxide (NO), has twofold effects depending on the amount given and the cell’s redox status. There is a complex relationship between these three medical gasesas O3 overexpresses HO-1, also referred to as HSPs of 32 kPa (Hsp32),10 the enzyme responsible for CO formation, and downregulates NO synthase, which generates NO. Furthermore, O3 upregulates the expression levels of Hsp70 which, in turn, is strictly related to HO-1. O3 may have a developing role in Hsp-based diagnosis and therapy of free radical-based diseases. HO-1 degrades heme, which can be toxic depending on the amount produced, into free iron, CO, and biliverdin (i.e., precursor of bilirubin), a neutral-izer of oxidative and nitrosative stress due to its ability

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to interact with NO and reactive nitrogen species.11,12Recently, it is becoming clear the heat shock response (HSR) provides a cytoprotective state during inflammation, cancer, aging, and neurodegenerative disorders.13 Given its extensive cytoprotective properties, the HSR is now a target for induction via pharmacological agents.1 Hsp70 is involved in co- and post-translational folding, the quality control of misfolded proteins,14 folding and assembly ofde novo proteins into macromolecular complexes, as well as anti-aggregation, protein refolding, and degradation.15HO isoforms are acknowledged as dynamic sensors of cel-lular oxidative stress and regulators of redox homeostasis throughout the phylogenetic spectrum. The effect of O3 onthese cell activities remains to be evaluated. Hormesis is a potent, endogenous defense mechanism for lethal ischemic and oxidative insults to multiple organ systems.13 O3 may have a hormetic role in regulating the anti-inflammatory and proinflammatory effects of CO, including prostaglan-din formation akin to NO, which has been shown to exert some of its biological actions through the modulation of prostaglandin endoperoxide synthase activity.16 Inhibiting HO activity prevents CO biosynthesis and its downstreameffects17; the effect of O3 on this cascade is yet to be de-termined.

Animal models have postulated the beneficial effects of prophylactic O3 therapy in controlling the age-related effects of oxidative stress.18,19 Evidence was provided to show that low O3 dose administration provided beneficial effects on age-related alterations in the heart and hippo-campus of rats. Additional research has been performed and provided room for speculation that O3 therapy may provide the mediation of a mechanism involved in rebal-ancing the dysregulated redox state that accumulates as individuals age.20 There was an apparent reduction of lipid and protein oxidation markers, lessening of lipofuscin deposition, restoration of glutathione (GSH) levels, and normalization of GPx activity in aged heart tissue. O3 wasdemonstrated to decrease age-associated energy failure in the heart and hippocampus of rats. Researchers suspect that the improved cardiac cytosolic calcium and restora-tion of weakened Na+-K+ ATPase activity in the heart and hippocampus, respectively, were associated with the improvements seen.20

In hopes of attaining a sense of the possible toxic com-ponents of O3 therapy, a study was done to assess the extent of lesions on human hematic mononucleated cells (HHMC), human thymic epithelium, murine macrophages, mouse splenocytes, and B16 melanoma murine cells. A significant finding of the study was that Hsp70 exhibitedan O3-induced increase in biosynthesis in HHMC. Hsp70s are synthesized in response to thermal shock and other stressing agents to cope with the damage that stimulates

their biosynthesis.21 Additionally, they stimulate several immune system responses in lymphocytes and macro-phages. The study provided evidence that O3 is a stressingagent capable of upregulating the biosynthesis of Hsp70, without toxicity to membranes. However, the membranes of macrophages are highly resistant to the possible toxic-ity of O3 at high concentrations; HHMC is less resistant at the high end of the spectrum. The statement above should not discount the effectiveness of O3 as a therapy because Hsp70s are induced in HHMCs without lesions up to 20 μg/mL— a typical dose given in O3-AHT.21

Cisplatin (CDDP), a treatment used in a variety of cancers has been observed to have nephrotoxicity in 25% of the patients as a side effect. The occurrence of this nephrotoxicity is thought to be secondary to the free radical generation and the inability of ROS scavengers to ameliorate these molecules, leading to acute renal failure.O2-O3 therapy was used to increase the antioxidant capacity of rats exposed to CDDP and compared to control groups. Serum creatine levels were significantly reduced compared to control groups, illustrating the decreased nephrotoxic-ity indirectly in the rats with CDDP and O2-O3 therapy. In addition to attenuating the nephrotoxicity, O2-O3 therapy also restores the levels of antioxidant defense constitu-ents (GSH, SOD, CAT, and GSH-Px), which are usually decreased by CDDP. Also, thiobarbituric acid reactive substances (TBARS) were reduced, which is a marker of lipid peroxidation in the kidney.22,23

Additional human studies examined the beneficial effectsof O3 therapy employed via O3-AHT, in conjunction with coenzyme Q10, administered orally. The study evaluated SOD levels, a powerful antioxidant and catalase enzyme, an additional antioxidant enzyme in a control group, a group of O3 therapy by itself, and O3 therapy combinedwith Q10. Evidence has implied that SOD was significantly increased and catalase enzyme insignificantly increased inthe O3 + Q10 group when compared to the control group. Malondialdehyde, a product of lipid peroxidation, is an in-dicator of oxidative membrane damage. Malondialdehyde levels were significantly decreased concentrations in the O3+ Q10 group when compared to the control group. Takentogether, this study provides evidence of the beneficialeffects of O3 therapy in combination with Q10 in combat-ting and the prevention of damage elicited by oxidation.9

Multiple studies have provided evidence that O3 therapy increased activation of the Nrf2 pathway via the induction of moderate oxidative stress.15,24 By doing so, a transient increase in H2O2 and LOPs enhances the number of anti-oxidants and therefore can be used for a longer time frame to re-establish the balance of the redox system. Addition-ally, the creation of these antioxidant enzymes has effects, not only at the level of O3 radical metabolism, but on the

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whole body.22,23
Researchers have argued that knowing the total antioxi-

dant status and plasma protein thiol group levels of a blood sample are indicators of the precise amount of O3 required to optimize treatments. By developing more accurate an-tioxidant status indicators, an individual treatment would achieve the correct dosage on a day and case basis.7,23,25Systems have been proposed to have a more precise mea-surement of the redox state of a patient to achieve this goal. One system proposes simultaneously measuring different biological markers in the blood such as GSH, GPx, GST, SOD, CAT, conjugated dienes, total hydroperoxides, and TBARS. Using an algorithm, information can be gathered about the total antioxidant activity, total pro-oxidant activ-ity, redox index, and grade of oxidative stress. Systems like this can provide insights to the correct dosage and response to O3 therapy based on oxidative stress levels seen in the patient.7,23,25

vascular and hematological modulation

O3 is a stimulator of the transmembrane flow of O2. Theincrease in O2 levels inside the cell secondary to O3 therapy makes the mitochondrial respiratory chain more efficient.26In red blood cells, O3-AHT may increase the activity of phosphofructokinase, increasing the rate of glycolysis. By enhancing the glycolytic rate, there is an increase in ATP and 2,3-diphosphoglycerate (2,3-DPG) in the cell. Subsequently, due to the Bohr effect, there is a rightwardshift in the oxyhemoglobin dissociation curve allowing for the oxygen bound hemoglobin to be unloaded more read-ily to ischemic tissues. Combined with the increase in NO synthase activity, there is a marked increase in perfusion to the area under stimulation by O3-AHT.27 With repeated treatment, sufficient enough LOP may be generated to reach the bone marrow acting as repeated stressors to simulate erythrogenesis and the upregulation of antioxi-dant enzyme upregulation. O3 also causes a reduction in nicotinamide adenine dinucleotide (NADH) and assists in the oxidation of cytochrome c.1,28

O3 has also been shown to improve blood circulation and oxygen delivery to ischemic tissues.29 Multiple stud-ies have provided evidence that the correction of chronic oxidative stress via the increase of antioxidant enzymesin O3 can increase erythroblast differentiation. This leads to a progressive increase in erythrocytes and precondi-tions them to having resilience towards oxidative stress. This is known as “oxidative preconditioning”.1,30 Also,O3 increases levels of prostacyclin, a known vasodilator.1

Additionally, it was speculated that O3’s oxidative capa-bilities would interfere with the endothelial production of NO and thus hinder vasodilation. However, studies have

provided evidence that because NO is not substantially transported in the vasculature of the blood, a deleterious interaction is unlikely.29 Since HO-derived bilirubin31 hasbeen demonstrated to interact with NO,11,12 O3-induced HO upregulation could modify NO production and alter vasodilation.

Unpredictably, studies have shown an increase of NO, which led to speculation of O3’s ability to activate genes associated with NO synthase expression to further promote higher levels of NO formation. Moreover, O3’s stimulation of antioxidant enzymes are also speculated to increase NO levels. While endothelial generation of superoxide disrupts the activity of NO, O3 upregulates the enzymes to ameliorate the downstream effects of ROS responsible for deleterious vasoconstriction.29,32

The prophylactic role of O3 has been explored with hepatic ischemia/reperfusion (I/R) injury, a phenomenon associated with liver transplantation. Hepatic I/R is a clinically unsolved problem mainly due to the unknown mechanisms that are the foundations of this ailment. In summary, O3 oxidative preconditionings (ozoneOPs) were found to protect against liver I/R injury through mechanisms that promote a regulation of endogenous NO concentrations and the maintenance of an adequate cellular redox balance. OzoneOPs are postulated to up-regulate endogenous antioxidant systems and generate an increase in NO molecule generation, both of which are protective orders against liver and pancreas damage. The results in this animal model provided evidence that ozoneOPs protected against liver I/R via an increase inconcentrations of endogenous NO and prime cells to have a more balanced redox system.32 Additionally, enhanced activation of adenosine A1 receptors in rat models have been observed with ozoneOPs in liver I/R.33

Further studies have expanded upon this postulation by applying O3 therapy to renal I/R in rats. Renal I/R is a primary cause of acute renal failure after transplantation surgery. The findings of a study by Orakdogen et al.34 indi-cated that the ozoneOPs allowed for a protective element when facing I/R. Following an increase in endothelial NO synthase and inducible NO synthase expression, it wasconcluded that ozoneOPs were intimately related to the increasing NO production as well as reducing renal dam-age by suppressing endothelin 1.34

Cerebral vasospasm after subarachnoid hemorrhage is a significant detriment to the recovery of patients. An animal model examined the effects intravenous O3 therapy on vasospasms in the rat femoral artery. Histopathological and morphometric measurements provided evidence thatO3 therapy decreased morphometric changes, disruption of endothelial cells, and hemorrhages that are a result of

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vasospasm. The study speculated the anti-oxidative and anti-inflammatory effects of O3 might be a prudent treat-ment for posthemorrhagic vasospasm.35

Pathogen inactivation

When bacteria are exposed to O3 in vitro, the phospho-lipids, and lipoproteins that are within the bacterial cell envelope are oxidized. As this occurs, the stability of the bacterial cell envelope is attenuated. Moreover, evidence has demonstrated O3 to interact with fungal cell walls like bacteria. This disrupts the integrity of the cytosolic membrane and infiltrates the microorganisms to oxidize glycoproteins, glycolipids, and block enzymatic function. The combination of these reactions causes inhibition of fungi growth and mortality of bacteria and fungi.1,3,5 In vitro, O3 has been shown to interfere with virus-to-cell contact in lipid-enveloped viruses via oxidation of lipoproteins, proteins, and glycoproteins, thus interfering with the viral reproductive cycles.1,3,36

Specifically, animal models have shown that O3 therapy as an adjunct to vancomycin enhances the animal’s capability to eliminate methicillin-resistant Staphylococcus aureusmediastinitis.37

immune system activation

In vivo, O therapy has been shown to have multifaceted3

effects when interacting with PUFA. As stated previously,O3 reacts with PUFA and other antioxidants, H2O2 and variesperoxidation compounds are formed. H2O2 readily diffuses into immune cells has been shown to act as a regulatory step in signal transduction and facilitating a myriad of im-mune responses.36,38 Specifically, increases in interferon, tumor necrosis factor, and interleukin (IL)-2 are seen. The increases with IL-2 are known to initiate immune response mechanisms.1 Additionally, H2O2 activates nuclear factor- kappa B (NF-κB) and transforming growth factor beta (TGF-β), which increase immunoactive cytokine release and upregulate tissue remodeling. H2O2 mediates the action of NF-κB by enhancing the activity of tyrosine kinases that will phosphorylate IκB, a subunit of the transcription factor NF-κB.34,37 Low doses of O3 have been shown to inhibit prostaglandin synthesis, release bradykinin, and increase secretions of macrophages and leukocytes.34 Having the correct amount of either of these oxidative markers can be used to create a sufficient rise in H2O2 and NO levels to stimulate the most notable increase in IL-8. IL-8 also activates NF-κB, allowing production of ROS scavengers.7

Animal models using O3 have shown to reduce and pre-vent inflammatory responses steming from the presenceof E. coli in the renal system.26,38 Additional studies have provided evidence of the anti-inflammatory effects of O3. A study by Chang et al.25 purified rheumatoid arthritis

synovial fibroblast cells from human patients and injected them into immunocompromised mouse joints. Using an Ozonsan-α generator to deliver precise gas flows to vessels in the localized area, the authors discovered that 3% and 5%O3 application significantly decreased the proinflammatory cytokines IL-1β, IL-6, and TNF-α without any toxicity or severe side effects.25

Studies have shown that human cancer cells from lung, breast, and uterine tumors are inhibited in a dose-dependent manner by O3 therapy in vitro. O3 concentrations of 0.3 and 0.5 ppm inhibited cancer cell growth by 40% and 60%, respectively. Furthermore, the noncancerous cell controls were not affected by these levels of O3. At 0.8 ppm, cancer cell growth was inhibited by more than 90%. However, the control cell growth was less than 50%. Additionally, as control cells aged, they exhibited further growth inhi-bition and morphological changes. The study speculated that as the healthy cells matured, there was a decrease in growth due to the increased cellular damage incurred by each division.39

cLInIcaL utILIty

With its ever-growing ubiquity, O3 therapy is finding a place in many branches of medicine and medical special-ties. In fact, its clinical use can be arranged systematically into cardiovascular (Additional Table 1), subcutaneous tissue (Additional Table 2), peripheral vascular disease(Additional Table 3), neurological (Additional Table 4), head and neck (Additional Table 5), orthopedic (Ad- ditional Table 6), gastrointestinal (Additional Table 7),and genitourinary (Additional Table 8). These indications are a product of human clinical trials conducted for spe-cific pathologies related to the aforementioned systems. Despite a lack of direct support of O3 therapy, the current Food and Drug Administration regulations do not restrict the use of it in situations where it has proven its safety and effectiveness. Nonetheless, there has been support for its safety and effectiveness in multi-international studies.


O therapy can alter the natural history of several disease3

and disorders, with potentially many more yet untested. A plethora of laboratory studies have provided evidence of O3’s antioxidant capabilities, as well as vascular, hematological, and immune system modulations. This evidence has been further substantiated in clinical trials with O3 therapy being useful in the cardiovascular, subcutaneous tissue, peripheral vascular disease, neurological, head and neck, orthopedic, gastrointestinal, and genitourinary pathologies. O3 therapy has proven especially beneficial in the diabetic foot, ischemic wounds, and peripheral vascular disease, areas in which O3

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use is most prevalent. Upcoming laboratory and translational research should begin to develop protocols for O3-AHT in attempts to establish a dose-response relationship as it has demonstrated high utility in a myriad of pathologies at varying concentrations. Despite the presently compelling evidence, future studies should include more double-blind, random-ized clinical trials with greater sample sizes, determination of longevity in benefits produced, as well as methods of measurements and analysis.

3. Azarpazhooh A, Limeback H. The application of ozone in den-tistry: a systematic review of literature. J Dent. 2008;36:104- 116.

4. Bocci VA. Tropospheric ozone toxicity vs. usefulness of ozone therapy. Arch Med Res. 2007;38:265-267.

5. Bocci VA. Scientific and medical aspects of ozone therapy. State of the art. Arch Med Res. 2006;37:425-435.

6. Bocci V. Autohaemotherapy after treatment of blood with ozone. A reappraisal. J Int Med Res. 1994;22:131-144.

7. Bocci V, Valacchi G, Corradeschi F, Fanetti G. Studies on the biological effects of ozone: 8. Effects on the total antioxidant status and on interleukin-8 production. Mediators Inflamm. 1998;7:313-317.

8. Bocci V, Larini A, Micheli V. Restoration of normoxia by ozone therapy may control neoplastic growth: a review and a working hypothesis. J Altern Complement Med. 2005;11:257-265.

9. Inal M, Dokumacioglu A, Ozcelik E, Ucar O. The effects of ozone therapy and coenzyme Q(1)(0) combination on oxidative stress markers in healthy subjects. Ir J Med Sci. 2011;180:703-707.

10. Bocci V, Aldinucci C, Mosci F, Carraro F, Valacchi G. Ozo-nation of human blood induces a remarkable upregulation of heme oxygenase-1 and heat stress protein-70. Mediators In-flamm. 2007;2007:26785.

11. Mancuso C, Capone C, Ranieri SC, et al. Bilirubin as an endog-enous modulator of neurotrophin redox signaling. J Neurosci Res. 2008;86:2235-2249.

12. Barone E, Trombino S, Cassano R, et al. Characterization of the S-denitrosylating activity of bilirubin. J Cell Mol Med. 2009;13:2365-2375.

13. Dattilo S, Mancuso C, Koverech G, et al. Heat shock proteins and hormesis in the diagnosis and treatment of neurodegenera-tive diseases. Immun Ageing. 2015;12:20.

14. Martínez-Sánchez G, Delgado-Roche L, Díaz-Batista A, Pérez- Davison G, Re L. Effects of ozone therapy on haemostatic and oxidative stress index in coronary artery disease. Eur J Phar- macol. 2012;691:156-162.

15. Bocci V, Valacchi G. Nrf2 activation as target to implement therapeutic treatments. Front Chem. 2015;3:4.

16. Mancuso C, Pistritto G, Tringali G, Grossman AB, Preziosi P, Navarra P. Evidence that carbon monoxide stimulates prosta-glandin endoperoxide synthase activity in rat hypothalamic ex-plants and in primary cultures of rat hypothalamic astrocytes.Brain Res Mol Brain Res. 1997;45:294-300.

17. Navarra P, Dello Russo C, Mancuso C, Preziosi P, Grossman A. Gaseous neuromodulators in the control of neuroendocrine stress axis. Ann N Y Acad Sci. 2000;917:638-646.

18. Onal O, Yetisir F, Sarer AE, et al. Prophylactic ozone ad-ministration reduces intestinal mucosa injury induced by in-testinal ischemia-reperfusion in the rat. Mediators Inflamm. 2015;2015:792016.

19. Kal A, Kal O, Akillioglu I, et al. The protective effect of pro-phylactic ozone administration against retinal ischemia-reper-fusion injury. Cutan Ocul Toxicol. 2017;36:39-47.

20. El-Sawalhi MM, Darwish HA, Mausouf MN, Shaheen AA. Modulation of age-related changes in oxidative stress markers and energy status in the rat heart and hippocampus: a signifi-cant role for ozone therapy. Cell Biochem Funct. 2013;31:518- 525.

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The authors are thankful to Drs. Kelly Warren, Inefta Reid, Todd Miller, and Peter Brink (Department of Physiology and Biophys-ics, Stony Brook University School of Medicine, Stony Brook, NY, USA) for departmental support, as well as Mrs. Wendy Isser and Ms. Grace Garey (Northport VA Medical Center Library, Northport, NY, USA) for literature retrieval.

Author contributions

NLS designed, organized, and wrote the article; ALW designed the outline, wrote the article, and solved queries related to scientific publications from the journals; JG performed literature searches, critiqued the literature findings, and wrote the article; SV critiqued and applied logical reasoning to the literature findings; SAK ap-plied clinical concepts, revised the article to add logical reason-ing, and cross-checked the referencing. All authors have read and approved the manuscript provided.

Conflicts of interest

The authors have no conflicts of interest to declare.

Plagiarism check

Checked twice by iThenticate.

Peer review

Externally peer reviewed.

Open access statement

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

Open peer reviewers

Ozan Akca, University of Louisville, USA; Nemoto Edwin, Uni- versity of New Mexico Health Sciences Center, USA; Mancuso Cesare, Università Cattolica del Sacro Cuore, Italy.
Additional files

Additional Table 1: Cardiovascular indications for O3 therapy. Additional Table 2: Subcutaneous tissue indications for O3 therapy. Additional Table 3: Peripheral vascular disease indications forO3 therapy.

Additional Table 4: Neurological indications for O3 therapy. Additional Table 5: Head and neck indications for O3 therapy. Additional Table 6: Orthopedic indications for O3 therapy. Additional Table 7: Gastrointestinal indications for O3 therapy. Additional Table 8: Genitourinary indications for O3 therapy.



  1. Elvis AM, Ekta JS. Ozone therapy: A clinical review. J Nat Sci Biol Med. 2011;2:66-70.
  2. Zanardi I, Borrelli E, Valacchi G, Travagli V, Bocci V. Ozone: a multifaceted molecule with unexpected therapeutic activity.Curr Med Chem. 2016;23:304-314.

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  1. Cardile V, Jiang X, Russo A, Casella F, Renis M, Bindoni M. Effects of ozone on some biological activities of cells in vitro.Cell Biol Toxicol. 1995;11:11-21.
  2. Gonzalez R, Borrego A, Zamora Z, et al. Reversion by ozone treatment of acute nephrotoxicity induced by cisplatin in rats.Mediators Inflamm. 2004;13:307-312.
  3. Valacchi G, Bocci V. Studies on the biological effects of ozone: 11. Release of factors from human endothelial cells. MediatorsInflamm. 2000;9:271-276.
  4. Re L, Martínez-Sánchez G, Bordicchia M, et al. Is ozone pre- conditioning effect linked to Nrf2/EpRE activation pathway in vivo? A preliminary result. Eur J Pharmacol. 2014;742:158- 162.
  5. Chang JD, Lu HS, Chang YF, Wang D. Ameliorative effect of ozone on cytokine production in mice injected with human rheumatoid arthritis synovial fibroblast cells. Rheumatol Int. 2005;26:142-151.
  6. Madej P, Plewka A, Madej JA, et al. Ozonotherapy in an in-duced septic shock. I. Effect of ozonotherapy on rat organs in evaluation of free radical reactions and selected enzymatic sys-tems. Inflammation. 2007;30:52-58.
  7. Bocci VA, Zanardi I, Travagli V. Ozone acting on human blood yields a hormetic dose-response relationship. J Transl Med. 2011;9:66.
  8. Brigelius-Flohé R, Flohé L. Basic principles and emerging concepts in the redox control of transcription factors. Antioxid Redox Signal. 2011;15:2335-2381.
  9. Bocci V, Zanardi I, Huijberts MS, Travagli V. Diabetes and chronic oxidative stress. A perspective based on the possible use-fulness of ozone therapy. Diabetes Metab Syndr. 2011;5:45-49.
  10. León Fernández OS, Ajamieh HH, Berlanga J, et al. Ozone oxidative preconditioning is mediated by A1 adenosine recep-tors in a rat model of liver ischemia/reperfusion. Transpl Int. 2008;21:39-48.
  11. Mancuso C. Bilirubin and brain: a pharmacological approach.Neuropharmacology. 2017;118:113-123.
  12. Ajamieh HH, Menendez S, Martinez-Sanchez G, et al. Effects of ozone oxidative preconditioning on nitric oxide generation and cellular redox balance in a rat model of hepatic ischaemia- reperfusion. Liver Int. 2004;24:55-62.
  13. Chen H, Xing B, Liu X, et al. Ozone oxidative preconditioning protects the rat kidney from reperfusion injury: the role of nitric oxide. J Surg Res. 2008;149:287-295.
  14. Orakdogen M, Uslu S, Emon ST, Somay H, Meric ZC, Hakan T. The effect of ozone therapy on experimental vasospasm in the rat femoral artery. Turk Neurosurg. 2016;26:860-865.
  15. Bocci V, Borrelli E, Travagli V, Zanardi I. The ozone paradox: ozone is a strong oxidant as well as a medical drug. Med Res Rev. 2009;29:646-682.
  16. Gulmen S, Kurtoglu T, Meteoglu I, Kaya S, Okutan H. Ozone therapy as an adjunct to vancomycin enhances bacterial elimi-nation in methicillin resistant Staphylococcus aureus mediasti-nitis. J Surg Res. 2013;185:64-69.
  17. Bocci V. Does ozone really “cure” cancer? Int J Cancer. 2008;123:1222; author reply 1223.
  18. Caliskan B, Guven A, Ozler M, et al. Ozone therapy prevents renal inflammation and fibrosis in a rat model of acute pyelone-phritis. Scand J Clin Lab Invest. 2011;71:473-480.

39. Sweet F, Kao MS, Lee SC, Hagar WL, Sweet WE. Ozone selectively inhibits growth of human cancer cells. Science. 1980;209:931-933.

40. Hernández F, Menéndez S, Wong R. Decrease of blood choles-terol and stimulation of antioxidative response in cardiopathy patients treated with endovenous ozone therapy. Free Radic Biol Med. 1995;19:115-119.

41. Wainstein J, Feldbrin Z, Boaz M, Harman-Boehm I. Efficacy of ozone-oxygen therapy for the treatment of diabetic foot ulcers.Diabetes Technol Ther. 2011;13:1255-1260.

42. Martínez-Sánchez G, Al-Dalain SM, Menéndez S, et al. Thera-peutic efficacy of ozone in patients with diabetic foot. Eur J Pharmacol. 2005;523:151-161.

43. Bertolotti A, Izzo A, Grigolato PG, Iabichella ML. The use of ozone therapy in Buruli ulcer had an excellent outcome. BMJ Case Rep. 2013;2013:bcr2012008249.

44. Moore G, Griffith C, Peters A. Bactericidal properties of ozone and its potential application as a terminal disinfectant. J Food Prot. 2000;63:1100-1106.

45. Shah P, Shyam AK, Shah S. Adjuvant combined ozone therapy for extensive wound over tibia. Indian J Orthop. 2011;45:376-379.

46. Tafil-Klawe M, Wozniak A, Drewa T, et al. Ozone therapy and the activity of selected lysosomal enzymes in blood serum of patients with lower limb ischaemia associated with obliterative atheromatosis. Med Sci Monit. 2002;8:CR520-525.

47. Romero Valdés A, Menéndez Cepero S, Gómez Moraleda M, Ley Pozo J. Ozone therapy in the advanced stages of arterio-sclerosis obliterans. Angiologia. 1993;45:146-148.

48. Verrazzo G, Coppola L, Luongo C, et al. Hyperbaric oxygen, oxygen-ozone therapy, and rheologic parameters of blood in patients with peripheral occlusive arterial disease. Undersea Hyperb Med. 1995;22:17-22.

49. Giunta R, Coppola A, Luongo C, et al. Ozonized autohe-motransfusion improves hemorheological parameters and ox-ygen delivery to tissues in patients with peripheral occlusive arterial disease. Ann Hematol. 2001;80:745-748.

50. Di Paolo N, Bocci V, Garosi G, et al. Extracorporeal blood oxy-genation and ozonation (EBOO) in man. preliminary report. Int J Artif Organs. 2000;23:131-141.

51. Di Paolo N, Bocci V, Salvo DP, et al. Extracorporeal blood oxygenation and ozonation (EBOO): a controlled trial in patients with peripheral artery disease. Int J Artif Organs. 2005;28:1039-1050.

52. Molinari F, Rimini D, Liboni W, et al. Cerebrovascular pat-tern improved by ozone autohemotherapy: an entropy-based study on multiple sclerosis patients. Med Biol Eng Comput. 2017;55:1163-1175.

53. Molinari F, Simonetti V, Franzini M, et al. Ozone autohe-motherapy induces long-term cerebral metabolic changes in multiple sclerosis patients. Int J Immunopathol Pharmacol. 2014;27:379-389.

54. Lintas G, Molinari F, Simonetti V, Franzini M, Liboni W. Time and time-frequency analysis of near-infrared signals for the assessment of ozone autohemotherapy long-term ef-fects in multiple sclerosis. Conf Proc IEEE Eng Med Biol Soc. 2013;2013:6171-6174.

55. Clavo B, Santana-Rodriguez N, Gutierrez D, et al. Long-term improvement in refractory headache following ozone therapy.J Altern Complement Med. 2013;19:453-458.

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  1. Clavo B, Catalá L, Pérez JL, Rodríguez V, Robaina F. Ozone Therapy on Cerebral Blood Flow: A Preliminary Report. Evid Based Complement Alternat Med. 2004;1:315-319.
  2. Clavo B, Suarez G, Aguilar Y, et al. Brain ischemia and hypo-metabolism treated by ozone therapy. Forsch Komplementmed. 2011;18:283-287.
  3. Bocci V, Travagli V, Zanardi I. Randomised, double-blinded, placebo-controlled, clinical trial of ozone therapy as treat-ment of sudden sensorineural hearing loss. J Laryngol Otol. 2009;123:820; author reply 820.
  4. Ragab A, Shreef E, Behiry E, Zalat S, Noaman M. Randomised, double-blinded, placebo-controlled, clinical trial of ozone ther-apy as treatment of sudden sensorineural hearing loss. J Laryn- gol Otol. 2009;123:54-60.
  5. Clavo B, Ruiz A, Lloret M, et al. Adjuvant ozonetherapy in ad-vanced head and neck tumors: a comparative study. Evid Based Complement Alternat Med. 2004;1:321-325.
  6. Clavo B, Pérez JL, López L, et al. Ozone therapy for tumor oxygenation: a pilot study. Evid Based Complement Alternat Med. 2004;1:93-98.
  7. Menéndez S, Del Cerro A, Alvarez T, Hernández F. Applica-tion of ozone therapy in the vestibulocochlear syndrome. Rev Recent Clin Trials. 2012;7:321-328.
  8. Borrelli E, Bocci V. Visual improvement following ozone-therapy in dry age related macular degeneration; a review. Med Hypothesis Discov Innov Ophthalmol. 2013;2:47-51.
  9. Steppan J, Meaders T, Muto M, Murphy KJ. A metaanalysis of the effectiveness and safety of ozone treatments for herniated lumbar discs. J Vasc Interv Radiol. 2010;21:534-548.
  10. Paoloni M, Di Sante L, Cacchio A, et al. Intramuscular oxygen- ozone therapy in the treatment of acute back pain with lumbar disc herniation: a multicenter, randomized, double-blind, clini-cal trial of active and simulated lumbar paravertebral injection.Spine (Phila Pa 1976). 2009;34:1337-1344.
  11. Oder B, Loewe M, Reisegger M, Lang W, Ilias W, Thurnher SA. CT-guided ozone/steroid therapy for the treatment of de-generative spinal disease–effect of age, gender, disc pathology and multi-segmental changes. Neuroradiology. 2008;50:777- 785.

67. Magalhaes FN, Dotta L, Sasse A, Teixera MJ, Fonoff ET. Ozone therapy as a treatment for low back pain secondary to herniated disc: a systematic review and meta-analysis of ran-domized controlled trials. Pain Physician. 2012;15:E115-129.

68. Al-Jaziri AA, Mahmoodi SM. Painkilling effect of ozone-ox-ygen injection on spine and joint osteoarthritis. Saudi Med J. 2008;29:553-557.

69. Bonetti M, Fontana A, Albertini F. CT-guided oxygen-ozone treatment for first degree spondylolisthesis and spondylolysis.Acta Neurochir Suppl. 2005;92:87-92.

70. Bocci V, Paulesu L. Studies on the biological effects of ozone 1. Induction of interferon gamma on human leucocytes. Hae- matologica. 1990;75:510-515.

71. Zaky S, Kamel SE, Hassan MS, et al. Preliminary results of ozone therapy as a possible treatment for patients with chronic hepatitis C. J Altern Complement Med. 2011;17:259-263.

72. Zaky S, Fouad EA, Kotb HI. The effect of rectal ozone on the portal vein oxygenation and pharmacokinetics of propranolol in liver cirrhosis (a preliminary human study). Br J Clin Phar- macol. 2011;71:411-415.

73. Clavo B, Ceballos D, Gutierrez D, et al. Long-term control of refractory hemorrhagic radiation proctitis with ozone therapy. J Pain Symptom Manage. 2013;46:106-112.

74. Peretyagin SP, Vorobyov AV, Martusevich AK, et al. Ozono-therapy of the gastrointestinal tract stressinjuries at urgency patients and biocristalloscopic monitoring its effectiveness. Re- vista Ozonoterapia Rev. 2008;1:24-28.

75. Neimark AI, Nepomnyashchikh LM, Lushnikova EL, Bakarev MA, Abdullaev NA, Sizov KA. Microcirculation and structural reorganization of the bladder mucosa in chronic cystitis under con-ditions of ozone therapy. Bull Exp Biol Med. 2014;156:399-405.

76. Gu XB, Yang XJ, Zhu HY, Xu YQ, Liu XY. Effect of medi-cal ozone therapy on renal blood flow and renal function of patients with chronic severe hepatitis. Chin Med J (Engl). 2010;123:2510-2513.

77. Clavo B, Gutiérrez D, Martín D, Suárez G, Hernández MA, Ro-baina F. Intravesical ozone therapy for progressive radiation-in-duced hematuria. J Altern Complement Med. 2005;11:539-541.

78. Bonforte G, Bellasi A, Riva H, et al. Ozone therapy: a potential adjunct approach to lower urinary tract infection? A case series report. G Ital Nefrol. 2013;30:gin/30.34.16.

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semyzne regnevacs

esanegordyhedetahpsohp-6-esoculgdna xPGetycorhtyre no sesaercni

metsysesnefed tnadixoitna

SOR setalumits THA-3O

detroper toN

tnacifingis yllacigoloiB

fo ytivitcA

noitadixorepdipil gnisaercnihcihw noitamrof

( ngised tsettsop-tseterP

51 ot pu rof keew a syad5 nevig saw tnemtaert;L/gm 05 fo noitartnecnoclanif a rof ,THA-3O ot

)raey 1 ot shtnom 3(noitcrafnilaidracoym suoiverP

lacidar gnitaitinI

detroper toN ytisned-wol dna loretselohC

nrettap dipil mureS


detcejbus doolb fo Lm 002

.la te zednanreH04

ytivitcaemyzne esalatac

tnadixoitna desaercnI slevel sserts evitadixO

dna DOS desaercnI


syad evitucesnoc 01 rof,yad rep ecno ,ylsuonevartni)gm 01( enipidomin

rotpecer 2A enisonedafo noitalugerpU

( devorpmi yltnacifingiS

noitcrafni larberec


.la te41

noitca fo msinahceM

)s(tceffe ediS



yduts fo epyT

noitartsinimda 3O fo



enoN <

emit nibmorhtorP

:ypareht liatkcoc ;depuorgnU

evissam htiw stneitap 75

yretra yranoroC


.seiceps evitadixo evitcaer :SOR ;esatumsid edixorepus :DOS ;esadixorep enoihtatulg :xPG ;noisufsnartomehotua 3O :THA-3O ;negyxo :2O ;enozO :3O :etoN

sedirecylgirt dnanietorpopil ytisned-hgihni segnahc onhtiw decuder yltnacifingiserew nietorpopil


etuor dna noitartnecnoC

ypareht 3O rof snoitacidni ralucsavoidraC :1 elbaT lanoitiddA

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Mycobacterium ulcerans







M. ulcerans


n n



.noisufsnartomehotua 3O :THA-3O ;edixorep negordyh :2O2H ;B appak-rotcaf raelcun :Bκ-FN ;rotcaf htworg devired-teletalp :FGDP ;ateb rotcafhtworg gnimrofsnart :β-FGT ;seiceps evitadixo evitcaer :SOR ;edixo cirtin :ON ;8-nikuelretni :8-LI ;stcudorp noitanozo dipil :POL ;esatumsid edixorepus :DOS ;negyxo :2O ;enozO :3O :etoN

noitammalfnievissecxe diova dna noisufreper pleh ot semyznetnadixoitna esaercni dna yreviled 2O sesaercniTHA-3O ;gnilaeh dnuow etalumits ot noitagerggateletalp FGDP dna ,8-LI ,β-FGT foesaeler eht sesuac SOR ;noitalidosav esaercni ot,ON dna 8-LI ,nilcycatsorp esaeler ot muilehtodneno stca hcihw ,POL fo noitamrof setalumits

dnuow gnilaeh-nonsuoiverp eht fo noitacoleht revo revoc lacigoloiba gnitnemelpmi ,yregrusmrofrep ot snoegrus rofhguone desserger sisorcen

eussit citorcenfo noissergeR

)gμ07 fo noitartnecnoc 3O na htiwdoolb fo Lm 05( THA-3O htiwnoitcnujnoc ni erutxim )gμ 07(

sdnuow cimehcsiro gnilaeh-noN

;noitadixo sllaw llec lairetcab setaunettA


,tnemtaert fo yad 5 eht nOht

)1 =

( yduts esaC

2O-3O gab delaes a fo noitalffusnI

.la te hahS54

seusne htaed llec dna sisyL .enarbmemeht fo ytilibaemrep eht gnignahc ,ytirgetnisti gnitaunetta suht ,epolevne llec s’airetcab

)snoitalunarg tuohtiw(detacidare yllautnevesaw reclu ;keewtsrif eht retfa )snoitalunarg

Lm/gμ 03 fo noitartnecnoc3O na htiw erutxim 2O-3O


.la te erooM44

eht no snietorpopil dna sdipilohpsohp sezidixO


htiw( sisorcen elbisiv oN

erusolc dnuoW

)1 =

( yduts esaC

na htiw gab delaes a fo noitalffusnI

; .la te sivlE1

2O2H fo slevel gnizilamron Bκ-FN fonoitavitca dna semyzne esalatac dna DOS desaercnI


esnefed emyznetnadixoitna desaercnI

sserts evitadixO

ekatpu esoculg desaercnignitatilicaf ,ytivitisnes nilusni ni esaercni

)50.0 <
( aimecylgrepyh decudeR

rof gniwolla seitreporp tnadixoitna desaercnI


slevel esoculG

egamad lailehtodne desaerceddna ,aimecylgrepyh fo lortnoc ,DOS fo noitavitcA

retemirep dnaaera ni esaerced tnacifingiS

( lairt lacinilc

noisufrep sevorpmi ytisocsivdoolb fo noitcuder a dna seitilibapac ladiciretcab3O ;noisufrep esaercni dna lavomer diulf ecnahne

( lairt lacinilc

keew a semit 4 ot pu rof )Lm/gμ08( 3O %4 dna 2O %69 dereviled1 esahP .sesahp owt ni desu

yam ecived eht yb erusserp evitagen decudnI

)2 =

( puorg lortnoC

gnitelpmoc stneitap eht fO

erusolc dnuoW

saw rebmahc delaes evisavninon A

reclu toof citebaiD

.la te nietsniaW14

noitca fo msinahceM

)s(tceffe ediS



yduts fo epyT

noitartsinimda3O fo etuor dna noitartnecnoC



desutnemtaert 3O eht htiwyllasuac deknil erewstneve esrevda eht fo

)Lm/gμ 04( 3O %2 dna 2O %89dereviled II esahP .skeew 4 rof

enon ;)5 = ( puorg 3O



ezis dnuoW


3O fo snoisses 02

reclu toof citebaiD


) mc 5 ≤(yllaitini sreclu llams htiwstneitap ni ylsserpxe ,)30.0= ( slortnoc naht retaergyltnacifingis saw erusolcdnuow ,locotorp rep

fo ecnesbA

sisylana RCPdna lacigolotsiH

)101 =
dellortnoc dezimodnaR

.la te24

keew 21 eht litnu2 ht

)16 =dellortnoc-obecalp

3O htiw gab)L/gm 06( tnemtaertlacol dna )L/gm 05( noitalffusni


ypareht 3O rof snoitacidni eussit suoenatucbuS :2 elbaT lanoitiddA

(reclu iluruB

.la te ittolotreB


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.tircotameh :tcH ;ypareht negyxo cirabrepyh :TOBH ;noisufsnartomehotua 3O :THA-3O ;edixorep negordyh :2O2H ;B appak-rotcaf raelcun :Bκ-FN ;rotcaf htworgdevired-teletalp :FGDP ;ateb rotcaf htworg gnimrofsnart :β-FGT ;seiceps evitadixo evitcaer :SOR ;edixo cirtin :ON ;8-nikuelretni :8-LI ;stcudorp noitanozo dipil :POL ;esatumsid edixorepus :DOS ;negyxo :2O ;enozO :3O :etoN

ONnoitalidosav swolla dna pu dliubsibred ralullec tsegid ot setycokuel

gnieb-llew fo esnes sesaercnidna ,niap desaerced ,snoiselniks fo noisserger tnacifingiS

efilfo ytilauq ni tnemevorpmi

( yduts

)Lm/gμ001–04 snoitartnecnoc 3O(noitanozo dna noitanegyxo

fo noiterces enikotyc setalumitS


,niap ,snoisel nikS

)82 =dellortnoc ylmodnaR

doolb laeroprocartxE

esaesid yretra larehpireP

.la te oloaP iD15,05

gnidaolnu negyxognisaercni ,Hp sretla senarbmemetycorhtyre fo noitadixorepdipil ,yllanoitiddA .setycorhtyredigir fo sisyl ralullec evitcelesot gnitubirtnoc ,noitadixorep

egnahc tnacifingis oN

dipil dna sserts evitadixo sesaercnI

detroper enoN

.la te atnuiG94

THA-3O fo stceffe tneisnart ebot nees era nibmorht dna negonirbifni segnahC .tcH gnisaercedtuohtiw ytilibaretlif dna ytisocsivdoolb gnivorpmi ylevitceleS.sisyl llec gnisuac ,sllec citameh digirerom rof evitceles eb ot dezisehtopyhera esehT .esaercni slacidareerf devired-3O taht stroppus slevel

TOBH ot derapmocstnemtaert THA-3O ni tneserp

( lairt

TOBH ot derapmoc yadrehto yreve )Lm/gμ 23( THA-3O

edyhedlaidynolam amsalp ni esaercnI

detroper enoN saw ytisocsiv doolb ni esaerceD

ytisocsiv doolB

)03 =dellortnoc ylmodnaR

esaesidlairetra evisulcco larehpireP

semyzne lamososyl foytivitca eht egnahc slevel tnadixoitnadesaercnI .sllec degamad tsegidot semyzne lamososyl rof swollassecca desaercnI .eussit degamad otssecca desaercni evah sllec enummI.GPD-3,2 ni sesaercni wolfninegyxo esaercni ot saera cixopyh

devorpminoitidnoc lareneg stneitaP

noitidnoc lareneG

)L/gμ 91noitartnecnoc 3O( seitimertxerewol fo shtab 3O losoreadna )Lm/gμ 06 3O na htiwLm 005( ylsuonevartni 3O

ot ylppus doolb fo tnemevorpmI

detroper enoN

ytivitca esalordyh lamososyL

ytivitca esalordyh lamososyL

devlossid htiw enilas lamroN

te ewalK-lifaT

noitca fo msinahceM

)s(tceffe ediS


)s(retemarap derusaeM

yduts fo epyT

noitartsinimda 3Ofo etuor dna noitartnecnoC



desaercedslevel negonirbif amsalP

slevel negonirbiFtcH

desaercniytilibaretlif etycorhtyrE

ytilibaretlif etycorhtyrEyreviled negyxOytisocsiv doolB

yreviled negyxo ni esaercnIdesaerced ytisocsiv doolB

)72 =ngised tsettsop-tseterP

)setunim 01 rof 3Oot desopxe Lm 001( THA-3O

stimillamron nihtiw ot denruter

.la te sedlaV74

)46 =ngised tsettsop-tseterP

)setebaid tuohtiw(sisotamorehta evitaretilbO


esaesidlairetra evisulcco larehpireP


oremoR ; .la64

ypareht 3O rof snoitacidni esaesid ralucsav larehpireP :3 elbaT lanoitiddA

Verrazzo et al.48





Erythrocyte filterability


Increased in O3-AHT treatments compared to HBOT



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.1 nilehtodne:1-TE ;8-nikuelretni :8-LI ;edixo cirtin :ON ;etarecylgohpsohpid-3,2 :GPD-3,2 ;stcudorp noitanozo dipil :POL ;seiceps evitadixo evitcaer :SOR :c-emorhcotyc :c tyc ;noisufsnartomehotua 3O :THA-3O ;negyxo :2O ;enozO :3O :etoN

esaeler etamatulg fo noitcudersrettimsnartoruen dna ytivitca lacirtcelelacitroc fo rotaluger-fles a sa tca ot ytiliba stirof ecnedive sedivorp srotpecer 1A enisonedafo tnemecnahne s’3O .slevel noitadixoecnalab semyzne tnadixoitna desaercni dnasetycohpmyl morf senikotyc fo noitalugerpU.msilobatem fo noitaluger a gniretsof,muilehtodne eht yb ON fo esaeler dnasetycorhtyre ni GPD-3,2 esaercni eht ot eudtrap ni ,seussit cimehcsi ot yreviled negyxo

decuder yltnacifingiS

elacs golanalausiv eht no ytisnetni niaP

)Lm/gμ 06–03neewteb noitartnecnoc

noitcejni fodna wolf doolb larberec fo noitaluger secudnI etis eht ta sisomyhccE

desaerced yltnacifingiS

sehcadaeh fo rebmuN

)5 =
( ngised lortnoc-esaC

a ta Lm 003–022( THA-3O

ehcadaeh yrotcarfeR

stneitap detcilffa ni nees c tycno stnemriapmi eht esrever ot noitammalfnidna egamad lairdnohcotim gnirewol



sserts evitadixo sesaerced THA-3O

detroper enoN

noitanegyxo larbereC

ngised tsettsop-tseterP

081 htiw dexim doolb g 042

sisorelcs elpitluM

; .la te idranaZ2

noitca fo msinahceM

)s(tceffe ediS


)s(retemarap derusaeM

yduts fo epyT

noitartsinimda 3O



niarb ni esaercni

slevel c tyc dna metsysypocsortceps derarfni-raen

)9 = ( )seidutsesac elpitlum(

THA-3O ;detcejni-er dna)Lm/gμ 04 ta 3O( 3O/2O Lm

.la te satniL45

dna slevel noitanegyxodna slevel c tyc desaercnI

.la te iraniloM35,25

)1 = (troper esac dna )7 =

)2O/3O foLm/gμ 06 fo noitartnecnoc

aimehcsi niarb

( ngised lortnoc-esaC

a ta Lm 003( THA-3O


fo etuor dna noitartnecnoC

ypareht 3O rof snoitacidni lacigolorueN :4 elbaT lanoitiddA


Leon Fernandez et al.30; Clavo etal.55


Ajamieh et al.32;
Clavo et al.56,57 n

n Cerebralbloodflow



InducesROSandLOPtostimulateNO,IL-8 release while inhibiting ET-1 and E-selectin, which could potentially improve cerebral blood flow. May also improve erythrocyte flexibility and blood rheology



in vivo



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.nibolgomeh :bH ;negyxo fo erusserp laitrap :2Op ;edixo cirtin :ON ;esalatac :TAC ;dlohserht noitpecer hceeps :TRS ;egareva enot-erup :ATP ;enoihtatulg:HSG ;esadixorep enoihtatulg :xPG ;esatumsid edixorepus :DOS ;llec doolb der :CBR ;etarecylgohpsohpid-3,2 :GPD-3,2 ;noitareneged ralucam detaler-ega :DMA ;noisufsnartomehotua 3O :THA-3O ;negyxo :2O ;enozO :3O :etoN

DMA yrd ni nees srotpecerotohp fo htaedeht eziminim nac taht semyzne tnadixoitnafo esaercni na evah dna ,srotcaf htworgesaeler ,noitalidosav dna ON esaercni,GPD-3,2 dna PTA desaercni yreviled2O esaercni nac taht sCBR ni msilobatem

)712 =
( seiduts lacinilc owT

)gm 0.4 ot tnelaviuqeseod 3O latot a htiw

citylocylg ,ygoloehr doolb sevorpmI


noissergorp spotS%08 yb devorpmI%09 yb devorpmI

esaesid fo noissergorPssol gniraeHogitreVsumgatsyNyreviled 2OsutinniT

doolb fo Lm 002( THA-3O

DMA fo mrof yrD

.la te illerroB36

semordnys esehtfo smotpmys evorpmi yam ecnalab xoderralullec ehT .xoder ralullec ecnalab spleh3O taht ecnedive sedivorp noitadixorepdipil wol gnivresbo elihw ,slevel

%001 yb devorpmIyreviled 2O ni esaercnI%56 yb devorpmI

)05 =ngised tsettsop-tseterP

)nim/Lm06 fo wolf ,L/gm 8(earbetrev 3-2C

TAC dna ,xPG ,HSG ,DOS ni sesaercnI

detroper enoN

ta noitcejni 3O larbetrevaraP

emordnys raelhcocolubitseV

.la te zednéneM26

yparehttcnujda latovip a eb ot detcepsus si 3O ,sleveltnadixoitna desaercni dna ,noitanegyxodesaercni ,noisufrep eussit deddana htiw ,suhT .ytisocsiv doolb desaerceddna ytilibixelf enarbmem desaercnirof swolla segrahc fo lavomer/noitiddasenarbmem llec CBR nisegnahC .seussit ot 2O fo gnidaolnu esaercniot evruc noitaicossid nibolgomehyxoeht ni tfihs a rof gniwolla ,noitadixorep

ypareht3O htiw devorpmi llA

)]bH[ dna ,2Opromut ,seulav cixopyh(

(yduts esac dellortnoC

)Lm/gμ 06(THA-3O

noitapitsnocsCBR ni GPD-3,2 fo noitcudorp desaercnI dna msiroetem tneisnarT

noitalffusnilatcer dna )Lm/gμ 06(

dipil dna edyhedlaidnolam fo esaercni

(yduts esac dellortnoC

renni eht ni aixopyh fo seussit ot ylppus

negyxo esaercni rof swolla ON esaercnina dna evruc noitaicossid nibolgomehyxoeht ni tfihS .sserts ralullec etaunettayam ,GPD-3,2 sesaercni hcihw ,ytivitcaetycorhtyre fo esaercni dna msilobatem

obecalpot derapmoc 3O htiw

)setaryrevocer evitcejbusdna ,TRS ,ATP ,niaggniraeh naem( semoctuogniraeh gnissessa

( lairt

)3O-2Oerutxim suoesag 1:1 a htiw

.la te bagaR95

ralullec fo noitalumits detecafitluM

enoN yltnacifingis devorpmi llA

)54 =sdohtem elpitluM dellortnoc dezimodnaR

doolb fo Lm 001( THA-3O

ssol gniraeh laruenirosneS

; .la te iccoB85

noitca fo msinahceM

)s(tceffe ediS stluseR )s(retemarap derusaeM yduts fo epyT

noitartsinimda 3Ofo etuor dna noitartnecnoC





noitanegyxo fo sleveL

.la te ovalC

tnemtaert lanoitidartdna 3O neewteblavivrus llarevo ni

)Lm/gμ 06(

ecnereffid tnacifingis oN

emoctuo tneitaP


sromut kcen dna daeH

)41 =

)91 =


ypareht 3O rof snoitacidni kcen dna daeH :5 elbaT lanoitiddA


Clavo et al.60








Visual acuity

Significantly improved


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Pain levels at 1-month follow-up using modified MacNab

15 patients (83.3%) had complete remission of pain. 3 patients (16.7%) had poor levels of improvement

Painlevelsat3-monthfollow 13patients(72.2%)hadcompleteremissionof up using modified MacNab pain. 2 patients (11.1%) had satisfactory levels

of improvement of pain. 3 (16.7%) patients had poor levels of improvement

Painlevelsat3-monthfollow 13patients(72.2%)hadcompleteremissionof up using modified MacNab pain. 2 patients (11.1%) had satisfactory levels

of improvement of pain. 3 patients (16.7%) had poor levels of improvement

yreviledcihportue desaercni rof swolla tnemtaert retfanoitalucric ni tnemevorpmi lacoL .SOR ecuderot dna noitcudorp DOS esaercni ot ytiliba s’3Ofo esuaceb decnalab era slevel enikotyc dnanidnalgatsorp ,oslA .evren lanips a fo sehcnarblaegninem eht no snoitca yrotammalfni-itnadna ciseglana rof swolla stniop sisyl eht ot

tnemevorpmifo slevel roop dah )%7.61( stneitap 3 .niap

baNcaM deifidom gnisustnemtaert retfa slevel niaP

( yduts

)Lm/gμ52 ta erutxim sag3O-2O Lm 3⁄4 hcralaruen fo tniopsisyl otni noitcejni3O-2O dna 3O-2Ofo noitartlifnicinoilgnagirep

sisylolydnopsdna sisehtsilolydnops

lamixorp yltcerid erutxim sag eht ,noitcejni yB

enoN fo noissimer etelpmoc dah )%3.38( stneitap 51

)81 =evitcepsorP

laretalib dediug-TC

eerged tsriF

.la te ittenoB96

ypareht3O gnisu retfa segnahc lacigolotsih elbissop nonoitaluceps rof swolla ,mret-gnol slevel niapdesaerced yltnacifingis eht htiw rehtegot nekat,stceffe evitadixo-itna dna ,stceffe ciseglana,yrotammalfni-itna s’3O .sedixorep dnaSOR tsniaga noitcetorp rof gniwolla snoitcaer

)shtnom01~ si emit pu-wollof

)Lm/gμ 02(snoitcejni elcsumlarbetrevarap

edixorep gnizylatac semyzne etavitca ot ytilibA


,500.0 =

,500.0 =

( esaerced yltnacifingiS

21 dna ,8 ,4 retfa level niaP


dna ralucitra-artnI

te irizaJ-lA

noitcefni fo ksireht snessel ti esuaceb snoitcejni lacsidartxedna -artni gnisu nehw laicifeneb eraseitreporp tnatcefnisid s’3O .stceffe ciseglanaevah ot detaluceps osla era seitreporpxoder eht ot eud stceffe yrotammalfni-itnas’3O .niap setaunetta dna erusserpsesaercedemulovdesaerceD.susoplupsuelcunehtfoemulovniesaercedllamsa ot gnidael ,dezidixo eb ot susoplup suelcun

%7.97saw tnemevorpmi gniwohs fo doohilekiL

)baNcaMdeifidom( ytilanoitcnuf

eht ni snacylgoetorp wolla seitilibapac xodeR

wol yltnacifingiS

9.3 fo tnemevorpmi naem tnacifingiS

dna lacsidartnI

scsid rabmul detainreH

te nappetS

noitca fo msinahceM

)s(tceffe ediS


)s(retemarap derusaeM

yduts fo epyT

noitartsinimda3O fo etuordna noitartnecnoC



)%460.0(etar noitacilpmoc

redO; .late56

.esatumsid edixorepus :DOS ;seiceps evitadixo evitcaer :SOR ;yhpargomot detupmoc :TC ;xednI ytilibasiD yrtsewsO :IDO ;negyxo :2O ;enozO :3O :etoN

)8400.0 =

( esaerced yltnacifingiS)ylevitcepser ,3400.0 =

naem( slevel niap pu-wolloFsnoisses

)022( yduts

7.52 fo tnemevorpmi naem tnacifingiS

)IDO( ytilanoitcnufrof sisylana-ateM


; .late66

rof sisylana-ateM


)elacs golana lausiv(slevel niap rof sisylana-ateM

)21 =sisylana-ateM


sitirhtraoetsotnioj dna enipS



inoloaP ; .la46

ypareht 3O rof snoitacidni cidepohtrO :6 elbaT lanoitiddA

te seahlagaM

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emorhcotyc :PYC ;suriv C sititapeh :VCH ;esarefsnartonima eninala :TLA ;esarefsnartonima etatrapsa :TSA ;stneve esrevda rof ygolonimret nommoc :EACTC ;noisufsnartomehotua 3O :THA-3O ;negyxo :2O ;enozO :3O :etoN

sreclu tnetsisrep fo yrevocer esaercniot esnopser enummi eht setavitca dna

puorg lortnoceht naht rewol yltnacifingiserew eseht fo lla ,revewoH.noitapitsnoc dah 5 dnadetimov 2 ,ssenkcis dah 4,hcti niks dah tnapicitrap 1

)6 fo tnemssessa(
smotpmys lacinilC ngised lortnoc-esaC

)3O foL/gm 3 ta Lm 002( setuorsuoenatuc ,erutcnupoib,suonevartni ,lartsagartni

sreclu gnipoleved ni aimehcsi sesaerceD ,)43 = ( puorg tnemtaert nI

devorpmi yltnacifingiS

sesruoc ypareht 3O sreclu tcart lanitsetniortsaG

.la te nigaytereP47

ONfo srotaidem fo esaeler eht yb detserofsi noisufrep sihT .msilobatemlolonarporp ezimitpo ,erofereht ,dluowyduts eht ni detroper noitanegyxoniev latrop desaercnI .noitanegyxono tnegnitnoc si hcihw ,ylimafPYC eht ni emyzne evitadixo na

3O fo noitalffusni latcerretfa desaercni yltnacifingiS

noitanegyxo niev latroP

yb tuo deirrac si msilobatem lolonarporP

detroper enoN

ecnaraelc lolonarporP

21( noitalffusni 3O latceR

sisohrric reviL

.la te ykaZ27

noitcnuf revildevorpmi dna tnemhsinelper semyznerevil sretsof daol lariv desaerceD.senikotyc dna setycokuel fo esaelereht setalumits 3O morf sedixorepfo noitamroF .tcatnoc llec-ot-surivgniltnamsid yb sesuriv fo elcycevitcudorper eht stpursid dna dispac

ANR VCH fo ecnaraeppasiD

lariv eht egamad ot noitadixorep sesU

detroper enoN

motpmys gnitneserP

a htiw Lm 051( THA-3O

C sititapeh cinorhC

; .la te idranaZ2

noitca fo msinahceM

)s(tceffe ediS

stluseR )s(retemarap derusaeM

yduts fo epyT

noitartsinimda 3O foetuor dna noitartnecnoC



emit nibmorhtorpni noitcuder tnacifingiS

stset noitcnuf reviL

lolonarporpot tcnujda na sa )3O%04 ta Lm 003 ,snoisses

lolonarporpfo noitanimile desaercnI

(ngised lortnoc-esaC

snoisses 06 retfa%4.44 dna snoisses 03 retfastneitap THA-3O fo %52 ni

ANRVCH rof sisylana RCP

yparehtlanoitnevnoc naht erom

2O/3O %04 ta Lm003( noitalffusni 3O latcerdna )skeew 5 rof keewyreve %5 yb desiar 3O/2O%52 fo noitartnecnoc

yltnacifingis dezilamroN


smotpmysdevorpmi yltnacifingiS


.la te iccoB07,72,5

)dessessa smotpmyslacinilc 7( noissergorp

.la te ykaZ17

)25 =ngised lortnoc-esaC

)17 =


)51 =

ypareht 3O rof snoitacidni lanitsetniortsaG :7 elbaT lanoitiddA

.edixo cirtin :ON ;054P


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sITU lairetcab tabmoc ot ytiliba sti rof tnuoccayam noitalumits metsys enummi sti ot noitidda ni ,htaed llec

airetcabfo ecneserp desaerceD

)3 = ( troperseires esaC

reddalbyraniru otninoitcejni retehtac


dna egamad AND ,noitadixorep dipil ytiliba citpesitnA


airetcab fo ecneserP

enilas detanozO


te etrofnoB

noitanegyxo eussit gnisaercni dna sretemaraplacigolotameh gnitceffa ,smsinahcem riaper lacol esaercniosla nac 3O .egamad eussit lacidar-eerf tsniaga noitcetorpesaercnisuht,stnadixoitnafosisehtnysniesaercni

smotpmysITU dna airetcab fo noissergeR

ITUgnisuac airetcab fo ecneserP

)Lm/gμ53( retaw detanozofonoitallitsni


na sesuac sserts evitadixo ni esaercni tneisnart dna lacoL




te ovalC

egamad laner gnicudersuht ,sititapeh yb desuac DLA ,II gnA ,ARP ni esaerced a siereht ,yendik eht ot ylppus doolb dna negyxo eht gnivorpmiyB .sesuriv ot esnopser enummi gnivorpmi elihw revil ehtfo daol krow eht ecuder nac smetsys lavomer lacidar eerfdna enummi eht fo noitavitca s’3O .yendik dna revil eht otnoitalucricorcim evorpmi dna ,sCBR ni msilobatem etavitca

lortnoc ot derapmoc tnemtaert 3O htiwdevivrus noitroporp rehgih yltnacifingiS

etar lavivruS

nac ,bH fo yticapac gnisaeler dna gniyrrac negyxo desaercnI

nees erew stceffe edis suoivbo oN

htiw desaercni yltnacifingiSdesaerced yltnacifingiS

wolf doolb laneRDLA

,Lm 001( THA-3O snoitacilpmoc laneR

; .lateuG67

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