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Clinical TrialAnimal StudyHighlighted

Effect of hydrogen inhalation on functional characteristics and intestinal gas biomarkers in wrestlers during physical exercise

MHID-05612832025Sportivnaya meditsina: nauka i praktika (Sports medicine: research and practice)

Oleg S. Medvedev, Aleksey A. Uzhakov, Olga L. Konnova, Oxana V. Povarova

Purpose of the study: to investigate the effect of periodic hydrogen inhalations for one month on the main performance characteristics, lactate levels and other biochemical parameters determined in the blood of young wrestlers after physical activity. Materials and methods. 10 healthy volunteer athletes took part in a prospective clinical study. The analysis of hydrogen and methane levels in exha

Clinical TrialHighlighted

Hydrogen’s Feasibility and Safety as a Therapy in Extracorporeal Cardiopulmonary Resuscitation (Hydrogen‑FAST): study protocol for a trial of inhaled hydrogen gas as an adjunctive therapy in refractory cardiac arrest

MHID-5491717PMID: 412043202025Trials

Victoria Habet, Tysen DeWaard, Krislyn M. Boggs, Alix Fetch, Bao Nguyen Puente, Lynn A. Sleeper, et al.

Background: Extracorporeal cardiopulmonary resuscitation (ECPR) improves survival for patients experiencing refractory cardiac arrest but is often associated with severe ischemia-reperfusion injury (IRI). Hydrogen gas (H2) has demonstrated promising preclinical efficacy in reducing IRI. The Hydrogen-FAST trial investigates the feasibility and safety of inhaled hydrogen gas as an adjunctive therapy

Clinical TrialHighlighted

The Effect of 14-Day Consumption of Hydrogen-Rich Water Alleviates Fatigue but Does Not Ameliorate Dyspnea in Long-COVID Patients: A Pilot, Single-Blind, and Randomized, Controlled Trial

MHID-4782143PMID: 387947672024Nutrients

Yineng Tan, Yixun Xie, Gengxin Dong, Mingyue Yin, Zhangyuting Shang, Kaixiang Zhou, et al.

Background: Hydrogen (H2) may be a potential therapeutic agent for managing Long COVID symptoms due to its antioxidant and anti-inflammatory properties. However, more scientific literature is needed to describe the effects of H2 administration on treating symptoms. A study aimed to investigate the impact of hydrogen-rich water (HRW) administration on the fatigue and dyspnea of Long-COVID patients

Clinical TrialObservational StudyHighlighted

The Benefit of Hydrogen Gas as an Adjunctive Therapy for Chronic Obstructive Pulmonary Disease

MHID-1663378PMID: 383995332024Medicina

Shih-Feng Liu, Chin-Ling Li, Hui-Ching Lee, Hui-Chuan Chang, Jui-Fang Liu, Ho-Chang Kuo

Background and Objectives: Recent studies suggest that hydrogen gas possesses anti-inflammatory, antioxidant, and anti-apoptotic properties. This study aimed to explore the therapeutic potential of hydrogen gas and assess its safety and tolerability in individuals with chronic obstructive pulmonary disease (COPD). Materials and Methods: Enrolled COPD patients received standard treatments along wit

Clinical TrialHighlighted

Pilot Feasibility and Safety Study of Hydrogen Gas Inhalation in Locally Advanced Head and Neck Cancer Patients

MHID-6306651PMID: 394936772024OncoTargets and Therapy

Imjai Chitapanarux, Wimrak Onchan, Somvilai Chakrabandhu, Pooriwat Muangwong, Narongchai Autsavapromporn, Tapanut Ariyanon, et al.

Hydrogen (H2) gas inhalation might alleviate acute radiotherapy toxicities by scavenging free radicals produced by ionizing radiation and anti-inflammatory properties. This study aimed to investigate the feasibility and safety of H2 gas inhalation during concurrent chemoradiotherapy (CCRT) in patients with locally advanced head and neck cancer (LAHNC). Patients and Methods: We designed a pilot pro

Clinical TrialHighlighted

Hydrogen-rich water supplementation promotes muscle recovery after two strenuous training sessions performed on the same day in elite fin swimmers: randomized, double-blind, placebo-controlled, crossover trial

MHID-7726015PMID: 386811432024Frontiers in Physiology

Barbora Sládečková, Michal Botek, Jakub Krejčí, Michal Valenta, Andrew McKune, Filip Neuls, et al.

Purpose: Molecular hydrogen has been shown to possess antioxidant, anti-inflammatory, ergogenic, and recovery-enhancing effects. This study aimed to assess the effect of molecular hydrogen administration on muscle performance, damage, and perception of soreness up to 24 h of recovery after two strenuous training sessions performed on the same day in elite fin swimmers. Methods: Eight females (mean ±

Clinical TrialHighlighted

Molecular hydrogen modulates brain glutamate/GABA-glutamine cycle in overweight humans

MHID-5537085PMID: 375607462023Archives of Medical Science

Darinka Korovljev, Jelena Ostojic, Nikola Todorovic, Sergej M Ostojic

Introduction: We evaluated whether 12-week intake of molecular hydrogen (H2) in 5 overweight adults (3 women; age: 50.2 ±11.9 years, body mass index: 29.4 ±2.1 kg/m2) affects brain levels of the glutamate-glutamine-GABA cycle, critical amino acid neurotransmitters in the mechanism of neuronal activation during appetite regulation. Methods: A 1.5-T single-voxel proton magnetic resonance spectrosco

Clinical TrialIn VitroObservational StudyHighlighted

Alpha Hope, via Molecular Hydrogen and Pyrroloquinoline Quinone, Dose-Dependently Increases Nrf2 and PGC-1α Levels in C2C12 Myoblasts

MHID-30414712023Processes

Richard J. Bloomer, Yufeng Zhang, Joshua Y. Shirazi, Chidimma Okegbe, Jacquelyn Pence, Keith Martin, et al.

Alpha Hope is a dietary supplement containing pyrroloquinoline quinone and elemental magnesium, which produces molecular hydrogen (H2 gas) when dissolved in water. We determined the impact of Alpha Hope on Nrf-2, peroxisome proliferator-activated receptor-gamma coactivator (PGC-1α), and citrate synthase (CS) activity in C2C12 myoblasts. Alpha Hope was titrated to three concentrations of pyrroloqui

Clinical TrialObservational StudyHighlighted

Mechanism of influence of molecular hydrogen on the function of the proximal tubule of the nephron in irritatable bowel syndrome

MHID-99610682021Journal of Education, Health and Sport

Yurii Rohovyi, Volf Tsitrin, Yula Bilooka, Ludmila Arkchipova, Vyacheslav Bilookiy

Aim. To find out a pathophysiological protective role of influence of molecular hydrogen on a functional condition of a proximal tubule of kidneys at an irritable bowel syndrome. Materials and methods. 60 patients with irritable bowel syndrome were examined. Men - 18, women - 42 aged from 28 to 62 years. Of which: with irritable bowel syndrome with constipation were - 28 patients, irritable bowel

Clinical TrialAnimal StudyHighlighted

Randomized, crossover clinical efficacy trial in humans and mice on tear secretion promotion and lacrimal gland protection by molecular hydrogen

MHID-8498103PMID: 337420602021Scientific Reports

Miyuki Kubota, Motoko Kawashima, Sachiko Inoue, Toshihiro Imada, Shigeru Nakamura, Shunsuke Kubota, et al.

The incidence of dry eye disease is increasing worldwide because of the aging population and increasing use of information technology. Dry eye disease manifests as tear-layer instability and inflammation caused by osmotic hypersensitization in tear fluids; however, to our knowledge, no agent that treats both pathologies simultaneously is available. Molecular hydrogen (H2) is known to be effective

Clinical TrialHighlighted

Hydrogen-rich water and caffeine for alertness and brain metabolism in sleep-deprived habitual coffee drinkers

MHID-9740359PMID: 345320232021Food Science & Nutrition

Nikola Todorovic, Dragana Zanini, Valdemar Stajer, Darinka Korovljev, Jelena Ostojic, Sergej M Ostojic

The main aim of this randomized-controlled cross-over interventional trial was to assess the acute effects of taking a single dose of hydrogen-rich water (HRW), and compare it with caffeine, HRW plus caffeine, and control water, for alertness, brain metabolism, brain and oxygen saturation, and self-reported adverse events in healthy men and women who were habitual coffee drinkers and were sleep-de

Clinical TrialHighlighted

Safety of Prolonged Inhalation of Hydrogen Gas in Air in Healthy Adults

MHID-1947207PMID: 346511332021Critical Care Explorations

Alexis R. Cole, BS, Francesca Sperotto, MD, James A. DiNardo, MD, Stephanie Carlisle, Michael J. Rivkin, MD, Lynn A. Sleeper, ScD, et al.

BACKGROUND: Ischemia-reperfusion injury is common in critically ill patients, and directed therapies are lacking. Inhaled hydrogen gas diminishes ischemia-reperfusion injury in models of shock, stroke, and cardiac arrest. The purpose of this study was to investigate the safety of inhaled hydrogen gas at doses required for a clinical efficacy study. DESIGN: Prospective, single-arm study. SETTING: T

Clinical TrialHighlighted

Acute Supplementation with Molecular Hydrogen Benefits Submaximal Exercise Indices. Randomized, Double-Blinded, Placebo-Controlled Crossover Pilot Study

MHID-4871667PMID: 309188322019Journal of Lifestyle Medicine

Tyler W. LeBaron, Abigail J. Larson, Shigeo Ohta, Toshio Mikami, Jordon Barlow, Josh Bulloch, et al.

Background: Clinical studies have reported hydrogen-rich water (HRW) to have therapeutic and ergogenic effects. The aim of this study was to determine the effect of acute supplementation with HRW on exercise performance as measured by VO2, respiratory exchange ratio (RER), heart rate (HR), and respiratory rate (RR). Methods: Baseline levels of all exercise indices were determined in nineteen (4 f

Clinical TrialHighlighted

Short-term H2 inhalation improves running performance and torso strength in healthy adults

MHID-0587967PMID: 319380042019Biology of Sport

Dejan Javorac, Valdemar Stajer, Laszlo Ratgeber, Jozsef Betlehem, Sergej Ostojic

In this randomized, double-blind, placebo-controlled, crossover pilot trial, we evaluated the effects of 7-day H2 inhalation on exercise performance outcomes and serum hormonal and inflammation profiles in a cohort of young men and women. All participants (age 22.9 ± 1.5 years; body mass index 23.4 ± 2.5 kg m-2; 10 women and 10 men) were allocated to receive either gaseous hydrogen (4%) or placebo

Clinical TrialHighlighted

Hydrogen-rich water reduces liver fat accumulation and improves liver enzyme profiles in patients with non-alcoholic fatty liver disease: a randomized controlled pilot trial

MHID-9688108PMID: 309827482019Clinics and Research in Hepatology and Gastroenterology

Darinka Korovljev, Valdemar Stajer, Jelena Ostojic, Tyler W. LeBaron, Sergej M Ostojic

Background and aims: While non-alcoholic fatty liver disease (NAFLD) is rapidly becoming the most common liver disease worldwide, its treatment remains elusive. Since metabolic impairment plays a major role in NAFLD pathogenesis, any pharmaceuticals, such as molecular hydrogen (H2), that advance lipid and glucose metabolism could be appropriate to tackle this complex condition. The aim of this stu

Clinical Trial

Molecular hydrogen affects body composition, metabolic profiles, and mitochondrial function in middle-aged overweight women

MHID-9868845PMID: 285605192018Irish Journal of Medical Science

D. Korovljev, T. Trivic, P. Drid, S. M. Ostojic

Background: Molecular hydrogen (H2) effectively treats obesity-related disorders in animal models, yet no studies have investigated the effectiveness and safety of H2 for improving biomarkers of obesity in humans. Aim: In this double blind, placebo-controlled, crossover pilot trial, we evaluated the effects of H2 intervention on body composition, hormonal status, and mitochondrial function in ten

Clinical TrialHighlighted

Hydrogen inhalation positively affects cardiometabolic risk factors in men and women aged 65 years or older: a preliminary report

MHID-0517534PMID: 346542212018European Geriatric Medicine

Darinka Korovljev, Valdemar Stajer, Dejan Javorac, Sergej M Ostojic

Molecular hydrogen (H2) has been recently introduced as an experimental medical gas in clinical medicine [1]. Beneficial effects of H2 are attributed to its antioxidant, anti-apoptotic and anti-inflammatory properties, with H2 administered via oral, parenteral or inhalational route found beneficial in cardiometabolic disorders [2]. However, no information is currently available concerning its effi

Clinical TrialHighlighted

The Effects of Hydrogen Gas Inhalation on Adverse Left Ventricular Remodeling After Percutaneous Coronary Intervention for ST-Elevated Myocardial Infarction

MHID-7076048PMID: 283210092017Circulation Journal

Yoshinori Katsumata, Koichiro Homma, Masaru Suzuki, Shigeo Okuda

Background: Hydrogen gas inhalation (HI) reduced infarct size and mitigated adverse left ventricular (LV) remodeling in a rat model of acute myocardial infarction (AMI). We designed a prospective, open-label, rater-blinded clinical pilot study in patients experiencing ST-elevated MI (STEMI). Methods and results: The 20 patients with an initial diagnosis of STEMI were assigned to either an HI grou

Clinical TrialHighlighted

Drinking Hydrogen-Rich Water Has Additive Effects on Non-Surgical Periodontal Treatment of Improving Periodontitis: A Pilot Study

MHID-1221967PMID: 267838402015Antioxidants

Tetsuji Azuma, Mayu Yamane, Daisuke Ekuni, Yuya Kawabata, Kota Kataoka, Kenta Kasuyama, et al.

Oxidative stress is involved in the pathogenesis of periodontitis. A reduction of oxidative stress by drinking hydrogen-rich water (HW) might be beneficial to periodontal health. In this pilot study, we compared the effects of non-surgical periodontal treatment with or without drinking HW on periodontitis. Thirteen patients (3 women, 10 men) with periodontitis were divided into two groups: The con

Clinical TrialObservational Study

Consumption of water containing a high concentration of molecular hydrogen reduces oxidative stress and disease activity in patients with rheumatoid arthritis: an open-label pilot study

MHID-7186474PMID: 230310792012Medical Gas Research

Toru Ishibashi, Bunpei Sato, Mariko Rikitake, Tomoki Seo, Ryosuke Kurokawa, Yuichi Hara, et al.

Background: Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by the destruction of bone and cartilage. Although its etiology is unknown, the hydroxyl radical has been suggested to be involved in the pathogenesis of RA. Recently, molecular hydrogen (H2) was demonstrated to be a selective scavenger for the hydroxyl radical. Also, the method to prepare water containing extrem