Hydrogen Therapy in Patients With Moderate Covid-19 (H2Covid)
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ClinicalTrials.gov Identifier: NCT04633980 |
Recruitment Status :
Recruiting
First Posted : November 18, 2020
Last Update Posted : May 25, 2022
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Covid-19 | Drug: Mixture 3,6% H2 in N2 (96.4%) | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 10 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | Hydrogen Inhalation Therapy in Patients With Moderate Covid-19: Phase-1 Clinical Trial |
Actual Study Start Date : | December 1, 2020 |
Estimated Primary Completion Date : | November 19, 2022 |
Estimated Study Completion Date : | April 19, 2023 |

Arm | Intervention/treatment |
---|---|
Experimental: Experimental group |
Drug: Mixture 3,6% H2 in N2 (96.4%)
Route of administration: intra-nasal Debit 1L/min, 24h/24h (3 hours withdrawal tolerated) duration of treatment: 24 hours, 3 days and 6 days |
- adverse events [ Time Frame: Up to 3 days after the end of H2 therapy ]
- observed grade >=4 toxicity from the "Respiratory, thoracic and mediastinal disorders" section of CTCAE v5.0
- OR observed grade >=3 toxicity from other sections of CTCAE v5.0
- OR any relevant deterioration in the health of the subject
- AND at least possibly related with H2
- biomarkers of inflammation and oxidative stress. [ Time Frame: before and 3 days after the end of H2 therapy ]Serum levels of IL6, IL10, nitrated albumin, and alarmines

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Patient ≥18 years old
- Suspicion of SARS CoV-2 infection based on clinical signs AND (positive PCR OR positive serology OR suggestive abnormalities on lung-imaging modalities)
- Hospitalized patients with SpO2 ≤94% on room air requiring normobaric oxygen therapy with a nasal flow of O2 ≤ 6L / min to reach at least SaO2 ≥ 95%
- Patient understanding and agreeing to comply with the planned study procedures
- Patient affiliated with social security or beneficiary of such protection
- Patient (or his legal representative) who has given his informed consent in writing before the start of any study procedure.
Exclusion Criteria:
- Pregnant or parturient women
- Ratio of spontaneous blood ALT/AST> 5 times the normal upper limit.
- Stage 4 of severe chronic kidney disease or requiring dialysis (i.e. eGFR <30)
- Early transfer to another hospital within 72 hours.
- Contraindication to any study drug, including a known allergy
- Uncontrolled and clinically significant heart disease, such as arrhythmias, angina pectoris or uncompensated congestive heart failure
- Patients treated in ambulatory care (i.e. not hospitalized)
- Females of childbearing potential, defined as a premenopausal female capable of becoming pregnant, and not using an highly effective form of birth control.
- Participant involved in another interventional clinical study
- Person deprived of liberty by judicial order
- Person under guardianship or curatorship

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04633980
Contact: BOUCHER François, PhD | 0033476637117 | Francois.Boucher@univ-grenoble-alpes.fr | |
Contact: Saber TOUATI, PhD | 0033476765805 | stouati1@chu-grenoble.fr |
France | |
CHU de Grenoble Alpes | Recruiting |
Grenoble, France | |
Contact: Jean Paul Brion, MD JPBrion@chu-grenoble.fr |
Principal Investigator: | Jean Paul Brion, MD | University Hospital, Grenoble |
Responsible Party: | University Hospital, Grenoble |
ClinicalTrials.gov Identifier: | NCT04633980 |
Other Study ID Numbers: |
38RC20.277 |
First Posted: | November 18, 2020 Key Record Dates |
Last Update Posted: | May 25, 2022 |
Last Verified: | May 2022 |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
SARS-CoV-2 H2 therapy ARDS Inflammation Oxidative stress |
COVID-19 Respiratory Tract Infections Infections Pneumonia, Viral Pneumonia Virus Diseases |
Coronavirus Infections Coronaviridae Infections Nidovirales Infections RNA Virus Infections Lung Diseases Respiratory Tract Diseases |