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Observational StudyHighlighted

Association Between Hydrogen-Rich Water Consumption and Lower Extremity Function in Older Adults Participating in Community Salons: A Prospective Observational Study

MHID-67657942026medRxiv

Yuusuke Harada, Michiko Miyakawa

Background: Falls among older adults are a leading cause of fractures, loss of independence, and need for long-term care. Community salons in Japan promote social participation and health activities among older adults. Hydrogen-rich water is widely used as a health product, but evidence in community settings remains limited. Methods: We conducted a prospective observational study among 48 communit

Observational Study

The impact of graded exercise to exhaustion on breath hydrogen: a pilot study

MHID-31585802025Sport Sciences for Health

Nikola Todorovic, Jovan Kuzmanovic, Dejan Javorac, Sergej M Ostojic

Purpose Exercise induces transient physiological disruptions, including immune suppression and gastrointestinal (GI) disturbance. Molecular hydrogen (H₂), an endogenously produced gas with antioxidant and anti-inflammatory properties, may play a protective role in this context. While the therapeutic potential of exogenous H₂ has been widely explored, little is known about endogenous hydrogen respo

Observational StudyHighlighted

Hemodialysis employing molecular hydrogen (H2) enriched dialysis solution may improve dialysis related fatigue through impact on energy metabolism

MHID-2151796PMID: 399341432025Scientific Reports

Masaaki Nakayama, Kimio Watanabe, Emiko Sato, Yugo Ito, Nozomi Kadota, Kasumi Konishi, et al.

Hemodialysis employing molecular hydrogen (H2)-enriched dialysis solution rendered by water electrolysis (E-HD), has been reported to alleviate dialysis-related fatigue, but its association with metabolic profiles remains unclear. Eighty-one patients undergoing standard HD were classified into 3 groups [Group A (n = 25, 30.9%): fatigue with activity reduction—subgroups A1: chronic persistent fatig

Clinical TrialObservational StudyHighlighted

Hydrogen and Methane Detection in Breath in Response to Two Different Types of Dietary Fiber and Its Relationship to Postprandial Glucose Concentration in Obese Patients with Type 2 Diabetes and Normoglycemic Subjects

MHID-1241888PMID: 400777852025Nutrients

Inna Misnikova, Yulia Kovaleva, Svetlana Shokur, Tyler W. LeBaron, Oxana Povarova, Oleg Medvedev

Background: The aim of this study was to investigate the relationship between postprandial glycemic levels based on flashmonitoring and the production of intestinal hydrogen (H2) and methane (CH4) gases based on the measurement of the amount of these gases in exhaled air. Materials and Methods: We studied 14 subjects with type 2 diabetes mellitus (T2DM) and 14 individuals without diabetes (control

Observational StudyHighlighted

Using oral molecular hydrogen supplements to combat microinflammation in humans: a pilot observational study

MHID-3946150PMID: 393102562024International Journal of Medical Sciences

Kuo-Cheng Lu, Min-Chung Shen, Reui-Lin Wang, Wen-Wen Chen, Szu-Han Chiu, Yung-His Kao, et al.

Background: Persistent inflammation over time can cause gradual harm to the body. Molecular hydrogen has the potential to specifically counteract reactive oxygen species (ROS), reduce disease severity, and enhance overall health. Investigations of the anti-inflammatory and antioxidant properties of oral solid hydrogen capsules (OSHCs) are currently limited, prompting our examination of the benefic

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

Observational Study

Effects of molecular hydrogen intervention on the gut microbiome in methamphetamine abusers with mental disorder

MHID-6877147PMID: 365168982023Brain Research Bulletin

Yong Wang, Mengmeng Wang, Bing Xie, Di Wen, Wenbo Li, Meiqi Zhou, et al.

Methamphetamine (METH) is a potent and highly addictive psychostimulant and one of the most widely used illicit drugs, the abuse of which has become a severe public health problem worldwide. A growing amount of evidence has indicated potential connections between gut microbiota and mental disorders induced by METH and associations with neural and metabolic pathways. The present study aimed to expl

Observational StudyHighlighted

Evaluation of the safety and potential lipid-lowering effects of oral hydrogen-rich coral calcium (HRCC) capsules in patients with metabolic syndrome: a prospective case series study

MHID-0293642PMID: 375214102023Frontiers in Nutrition

Szu-Han Chiu, Frank L. Douglas, Jia-Ru Chung, Kuang-Yih Wang, Chao-Fang Chu, Hsia-Yun Chou, et al.

Background: Metabolic syndrome is characterized by a cluster-like occurrence of conditions such as hypertension, hyperglycaemia, elevated low-density lipoprotein (LDL) cholesterol or triglycerides (TG) and high visceral fat. Metabolic syndrome is linked to the build-up of plaque within the artery, which leads to disorders of the circulatory, nervous and immune systems. A variety of treatments targ

Clinical TrialHighlighted

Effects of Hydrogen Gas Inhalation on Community-Dwelling Adults of Various Ages: A Single-Arm, Open-Label, Prospective Clinical Trial

MHID-1277179PMID: 373719712023Antioxidants

Md. Habibur Rahman, Johny Bajgai, Subham Sharma, Eun-Sook Jeong, Seong Hoon Goh, Yeon-Gyu Jang, et al.

Molecular hydrogen (H2) is a versatile therapeutic agent. H2 gas inhalation is reportedly safe and has a positive impact on a range of illnesses, including Alzheimer’s disease (AD). Herein, we investigated the effects of 4 weeks of H2 gas inhalation on community-dwelling adults of various ages. Fifty-four participants, including those who dropped out (5%), were screened and enrolled. The selected

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

Can Hydrogen Water Enhance Oxygen Saturation in Patients with Chronic Lung Disease? A Non-Randomized, Observational Pilot Study

MHID-7657388PMID: 378737712023Diseases

Ram B. Singh, Alex Tarnava, Ghizal Fatima, Jan Fedacko, Viliam Mojto, Tyler W. LeBaron

Background: Recently, chronic lung diseases have been found to be associated with marked inflammation and oxidative stress, which leads to fibrosis in the lungs and chronic respiratory failure. This study aims to determine if hydrogen-rich water (HRW) can enhance oxygen saturation among patients with chronic lung diseases. Methods: Ten patients with chronic lung diseases due to COPD (n = 7), bronchi

Observational Study

Impact of hemodialysis solutions containing different levels of molecular hydrogen (H2) on the patient‑reported outcome of fatigue

MHID-22983482022Renal Replacement Therapy

Susumu Uemura, Yoshitaka Kegasa, Keigo Tada, Taichi Tsukahara, Shigeru Kabayama, Tae Yamamoto, et al.

Background: Reportedly, dialysis solutions containing molecular hydrogen (H2) might ameliorate patient-reported fatigue in hemodialysis (HD) patients. However, it is unknown whether its impact might differ with different H2 levels. Method: This single-arm, prospective observational study examined 105 patients on chronic HD (62 males; mean age, 66 years; mean HD duration, 117 months). All patients

Clinical TrialObservational StudyHighlighted

Effects of hydrogen water and psychological treatment in a sample of women with panic disorder: a randomized and controlled clinical trial

MHID-6130347PMID: 357749172022Health Psychology Research

Ana Belén Fernández-Serrano, Francisco José Moya-Faz, Cesar Augusto Giner Alegría, Juan Carlos Fernández Rodríguez, Jose Francisco Soriano Guilabert, Martín del Toro Mellado

Research suggests that inflammation is an important mediator in the pathophysiology of anxiety disorders. In addition, women are more likely to develop an anxiety and depression disorder, in comorbidity with a wide spectrum of diseases related to the immune system. In recent years, hydrogen-rich water has emerged as a promising therapeutic strategy to prevent and intervene in stress-related disord

Observational StudyHighlighted

Effect of Hydrogen Inhalation Therapy on Hearing Loss of Patients With Nasopharyngeal Carcinoma After Radiotherapy

MHID-8463226PMID: 354337312022Frontiers in Medicine

Xiaofeng Kong, Tianyu Lu, You-Yong Lu, Zhinan Yin, Kecheng Xu

Objective: To evaluate the clinical efficacy and safety of hydrogen inhalation in improving hearing loss in patients with long-term survival of nasopharyngeal carcinoma after radiotherapy. Methods: The eustachian tube dysfunction score, pure tone air conduction threshold, bone conduction threshold, the score of tympanogram and otoscope were prospectively observed in patients with deafness after ra

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

Observational Study

Amelioration of hemodialysis-induced oxidative stress and fatigue with a hemodialysis system employing electrolyzed water containing molecular hydrogen

MHID-82694502021Renal Replacement Therapy

Hidehisa Satta, Tamio Iwamoto, Yuki Kawai, Naoaki Koguchi, Kazuhiko Shibata, Nobuteru Kobayashi, et al.

Background: A novel hemodialysis (HD) system employing electrolyzed water containing molecular hydrogen (E-HD) has been developed to improve the bio-compatibility of HD. This study examined the impact of E-HD on changes in redox state during HD and HD-related fatigue. Method: This single-arm, prospective observational study examined 63 patients on chronic HD (41 males; mean age, 72 ± 9 years; med

Observational StudyHighlighted

Amelioration of fatigue in chronic dialysis patients with dialysis solution employing electrolyzed water containing molecular hydrogen (H2) and its association with autonomic function balance

MHID-16201432021Renal Replacement Therapy

Yoshihiro Tsujimoto, Daisuke Kuratsune, Shigeru Kabayama, Mariko Miyazaki, Yasuyoshi Watanabe, Yoshiki Nishizawa, et al.

Background: Enhanced oxidative stress is involved with fatigue in hemodialysis (HD) patients. Molecular hydrogen (H2) could improve the redox status. Thus, the study examines whether HD solution rendered by electrolyzed water containing H2 (E-HD) could impact the fatigue and autonomic balance of patients. Methods: This single-arm, prospective observational study examined 95 patients on chronic HD

Clinical TrialObservational StudyHighlighted

Application of Molecular Hydrogen in Heart Surgery under Cardiopulmonary Bypass

MHID-5538038PMID: 345130692021Sovremennye tehnologii v medicine

D.A. Danilova, Yu.D. Brichkin, A.P. Medvedev, V.V. Pichugin, S.A. Fedorov, E.V. Taranov, et al.

The aim of this work was to study the effect of molecular hydrogen on oxidative processes in cardiac surgery patients with acquired valve heart disease applied during surgery under cardiopulmonary bypass (CPB). Materials and Methods. The study involved 20 patients (16 men and 4 women) with acquired heart valve disease who were operated on under CPB. Two groups of patients were formed. In group 1

Observational StudyHighlighted

Hydrogen gas activates coenzyme Q10 to restore exhausted CD8+ T cells, especially PD-1+Tim3+terminal CD8+ T cells, leading to better nivolumab outcomes in patients with lung cancer

MHID-7483719PMID: 329948212020Oncology Letters

Junji Akagi, Hideo Baba

As previously reported, hydrogen gas improves the prognosis of patients with cancer by restoring exhausted CD8+ T cells into active CD8+ T cells, possibly by activating mitochondria. As mitochondrial activators exhibit synergistic effects with nivolumab, the current study investigated whether hydrogen gas also affects the clinical outcomes of nivolumab. A total of 42 of 56 patients with lung cance

Clinical TrialObservational StudyHighlighted

Hydrogen gas restores exhausted CD8+ T cells in patients with advanced colorectal cancer to improve prognosis

MHID-0370162PMID: 305427402019Oncology Reports

Junji Akagi, Hideo Baba

Exhausted cluster of differentiation (CD)8+ T cells lose immunological activity due to mitochondrial dysfunction caused by peroxisome proliferator‑activated receptor γ coactivator 1α (PGC‑1α) inactivation, resulting in a poor prognosis in patients with cancer. As hydrogen gas was recently reported to activate PGC‑1α, the present study investigated whether it restores exhausted CD8+ T cells to impr