Trial reportJournal of medical virology2021
Ozone as adjuvant support in the treatment of COVID-19: A preliminary report of probiozovid trial.
Trial report in Journal of medical virology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 2 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
20 citing papers in PubMed, 2 syntheses or guidelines pooled it, 31 citations in OpenAlex.
- Benefits of ozone on mortality in patients with COVID-19: A systematic review and meta-analysis.Complementary therapies in medicine · 2023Pooled it
- Ozone as an adjuvant therapy for COVID-19: A systematic review and meta-analysis.International immunopharmacology · 2022Pooled it
- CORonavirus-19 mild to moderate pneumonia Management with blood Ozonization in patients with Respiratory failure (CORMOR) multicentric prospective randomized clinical trial.International immunopharmacology · 2021Trial
- Safety and efficacy of ozone therapy in mild to moderate COVID-19 patients: A phase 1/11 randomized control trial (SEOT study).International immunopharmacology · 2021Trial
- Ozone major blood ozonation in the management of dermatomyositis: a case report.Frontiers in immunology · 2026Article
- Therapeutic efficacy of ozonated blood in severe COVID-19 patients: a randomized controlled trial.Frontiers in medicine · 2025Article
- Ozone Decontamination of Medical and Nonmedical Devices: An Assessment of Design and Implementation Considerations.Industrial & engineering chemistry research · 2023Review
- Ozone application in different industries: A review of recent developments.Chemical engineering journal (Lausanne, Switzerland : 1996) · 2023Review
- The Mito-Hormetic Mechanisms of Ozone in the Clearance of SARS-CoV2 and in the COVID-19 Therapy.Biomedicines · 2022Review
- Efficacy of ozone adjuvant therapy in COVID-19 patients: A meta-analysis study.Frontiers in medicine · 2022Review
- Mechanisms of Action of Ozone Therapy in Emerging Viral Diseases: Immunomodulatory Effects and Therapeutic Advantages With Reference to SARS-CoV-2.Frontiers in microbiology · 2022Review
- The Relationship between Ozone and Human Blood in the Course of a Well-Controlled, Mild, and Transitory Oxidative Eustress.Antioxidants (Basel, Switzerland) · 2021Article
- COVID-19 Ocular Prophylaxis: The Potential Role of Ozonated-Oils in Liposome Eyedrop Gel.Translational vision science & technology · 2021Article
- Insights on the mechanisms of action of ozone in the medical therapy against COVID-19.International immunopharmacology · 2021Review
- Oxygen-ozone autohemotherapy against COVID-19 needs to fit highly experienced, customized, and standardized protocols to succeed.Journal of medical virology · 2021Article
- Oral Bacteriotherapy Reduces the Occurrence of Chronic Fatigue in COVID-19 Patients.Frontiers in nutrition · 2021Article
- Review
- Compassionate Use of Rectal Ozone (OSN comprehensive clinical medicine · 2021Article
- The role of ozone therapy in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and coronavirus disease 2019 (COVID-19): a review.Medical gas researchReview
- Potential therapeutic effect of oxygen-ozone in controlling of COVID-19 disease.Medical gas researchReview
Corrections and comments
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Authors and funding
19 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The evaluation of new therapeutic resources against coronavirus disease 2019 (COVID-19) represents a priority in clinical research considering the minimal options currently available. To evaluate the adjuvant use of systemic oxygen-ozone administration in the early control of disease progression in patients with COVID-19 pneumonia. PROBIOZOVID is an ongoing, interventional, randomized, prospective, and double-arm trial enrolling patient with COVID-19 pneumonia. From a total of 85 patients screened, 28 were recruited. Patients were randomly divided into ozone-autohemotherapy group (14) and control group (14). The procedure consisted in a daily double-treatment with systemic Oxygen-ozone administration for 7 days. All patients were treated with ad interim best available therapy. The primary outcome was delta in the number of patients requiring orotracheal-intubation despite treatment. Secondary outcome was the difference of mortality between the two groups. Moreover, hematological parameters were compared before and after treatment. No differences in the characteristics between groups were observed at baseline. As a preliminary report we have observed that one patient for each group needed intubation and was transferred to ITU. No deaths were observed at 7-14 days of follow up. Thirty-day mortality was 8.3% for ozone group and 10% for controls. Ozone therapy did not significantly influence inflammation markers, hematology profile, and lymphocyte subpopulations of patients treated. Ozone therapy had an impact on the need for the ventilatory support, although did not reach statistical significance. Finally, no adverse events related to the use of ozone-autohemotherapy were reported. Preliminary results, although not showing statistically significant benefits of ozone on COVID-19, did not report any toxicity.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.