NCT02850185

Brief Summary

The purpose for this study is to determine safety and effectiveness of the oxyhydrogen generator with nebulizer through an adjuvant therapy for the severe COPD patients in the stable phase.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
170

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Jul 2016

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 15, 2016

Completed
7 days until next milestone

First Submitted

Initial submission to the registry

July 22, 2016

Completed
7 days until next milestone

First Posted

Study publicly available on registry

July 29, 2016

Completed
4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 21, 2020

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 20, 2020

Completed
Last Updated

April 2, 2020

Status Verified

April 1, 2020

Enrollment Period

4 years

First QC Date

July 22, 2016

Last Update Submit

April 1, 2020

Conditions

Keywords

COPDhydrogen

Outcome Measures

Primary Outcomes (1)

  • Change from Baseline in dyspnea index score (mMRC score) at 3 months

    baseline and 3 months

Secondary Outcomes (15)

  • Change from Baseline in St George's respiratory questionnaire (SGRQ score) at 3 months

    baseline and 3 months

  • Change from Baseline in Six minute walk distance at 3 months

    baseline and 3 months

  • Change from Baseline in Pulmonary artery pressure measured by heart color Doppler ultrasound at 3 months

    baseline and 3 months

  • Change from Baseline in Forcibly vital capacity(FVC) at 3 months

    baseline and 3 months

  • Change from Baseline in First second forcibly expiration quantity(FEV1) at 3 months

    baseline and 3 months

  • +10 more secondary outcomes

Study Arms (2)

oxyhydrogen

EXPERIMENTAL

conventional treatment (bronchodilator (LABA,LAMA) with or without ICS)+ hydrogen/ oxygen inhaled

Device: oxyhydrogenDrug: Conventional treatment

oxygen

EXPERIMENTAL

conventional treatment (bronchodilator (LABA,LAMA) with or without ICS)+ oxygen inhaled

Device: OxygenDrug: Conventional treatment

Interventions

Hydrogen/oxygen mixed gas inhaled(proportion 2:1),3 L/min . 1 hour each time,twice a day(BID).Test Duration is three months.

Also known as: Oxyhydrogen generator with nebulizer
oxyhydrogen
OxygenDEVICE

oxygen inhaled,3 L/min . 1 hour each time,twice a day(BID).Test Duration is three months.

Also known as: Medical molecular sieve oxygenerator
oxygen

Bronchodilator (LABA,LAMA) with or without ICS.Conventional treatment is invariable with which was given to COPD patients in 3 months before the study.

Also known as: medication treatment
oxygenoxyhydrogen

Eligibility Criteria

Age40 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • It conforms to the diagnostic criteria of chronic obstructive pulmonary diseases (COPD): (PFT)The percentage of forced expiratory volume in forced vital capacity in one second after inhaling vasodilator (FEV1 / FVC% \< 70%);
  • Classification of COPD severity by pulmonary function: The criterion for this study is Severe: FEV1/FVC\<0.70, and FEV1\< 50% expected value after pulmonary function was examined by taking bronchodilator.
  • More than 40 years old and have normal ability to judge independently; men and women are not limited;
  • Living in the vicinity of the test centre in the past six months; -

You may not qualify if:

  • \) Those who have acute exacerbation in the past 4 weeks; 2) Lung disease history: Excluding the history of other lung diseases except combined COPD, such as combined pulmonary tuberculosis and diffuse pan-capillary bronchiolitis, pneumonia, pneumothorax, pleural effusion, pulmonary embolism, etc.
  • \) Those who suffer infectious diseases such as hepatitis A, hepatitis B, AIDS and tuberculosis or connective tissue diseases in the active period; 4) Those who suffer high fever, as well as various local or systemic infections (including respiratory, urinary and reproductive system, digestive system, sepsis, etc.), severe infection, especially lung infection found by CT examination; 5) Those who have limited ability to understand and poor compliance; do not have the legal capacity or limited legal capacity; participated in other clinical trials in the first 3 months when they were included in the groups; mental or physical disability; 6) Those who were difficult to make an exact evaluation on safety and effectiveness of products; 7) The women in pregnancy and lactation, as well as the women at childbearing age who don't agree to take effective contraceptive measures during the study period; 8) Those who have abnormal heart function and thrombophlebitis; 9) Those who are known and can't stand the oxygen and hydrogen inhalation; 10) Those who are suffered from primary diseases in important visceral organs and systems, such as stroke, severe hypertension, gastric ulcer, uncontrolled diabetes, malignant tumor, liver and kidney failure, and severe heart disease history (acute myocardial infarction, congestive heart failure and other heart diseases in the acute phase); 11) Cancer in progressive stage as well as undetermined masses found in the treatment; 12) Those who have one or more lobectomy history; 13) Those who are suspected to have or really have alcohol and drug abuse history; 14) Those whose AST and ALT≥120U/L, Ccr≤50ml/min; who have shock or unstable hemodynamics; 15) Those who are considered not to participate in clinical trials by the investigators.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

First Affiliated Hospital of Guangzhou Medical University

Guangzhou, Guangdong, 510000, China

RECRUITING

Related Publications (10)

  • Ohsawa I, Ishikawa M, Takahashi K, Watanabe M, Nishimaki K, Yamagata K, Katsura K, Katayama Y, Asoh S, Ohta S. Hydrogen acts as a therapeutic antioxidant by selectively reducing cytotoxic oxygen radicals. Nat Med. 2007 Jun;13(6):688-94. doi: 10.1038/nm1577. Epub 2007 May 7.

    PMID: 17486089BACKGROUND
  • Liu FT, Xu SM, Xiang ZH, Li XN, Li J, Yuan HB, Sun XJ. Molecular hydrogen suppresses reactive astrogliosis related to oxidative injury during spinal cord injury in rats. CNS Neurosci Ther. 2014 Aug;20(8):778-86. doi: 10.1111/cns.12258. Epub 2014 Mar 31.

    PMID: 24685114BACKGROUND
  • Kohama K, Yamashita H, Aoyama-Ishikawa M, Takahashi T, Billiar TR, Nishimura T, Kotani J, Nakao A. Hydrogen inhalation protects against acute lung injury induced by hemorrhagic shock and resuscitation. Surgery. 2015 Aug;158(2):399-407. doi: 10.1016/j.surg.2015.03.038. Epub 2015 May 14.

    PMID: 25983276BACKGROUND
  • Nakao A, Toyoda Y, Sharma P, Evans M, Guthrie N. Effectiveness of hydrogen rich water on antioxidant status of subjects with potential metabolic syndrome-an open label pilot study. J Clin Biochem Nutr. 2010 Mar;46(2):140-9. doi: 10.3164/jcbn.09-100. Epub 2010 Feb 24.

    PMID: 20216947BACKGROUND
  • Xiao M, Zhu T, Wang T, Wen FQ. Hydrogen-rich saline reduces airway remodeling via inactivation of NF-kappaB in a murine model of asthma. Eur Rev Med Pharmacol Sci. 2013 Apr;17(8):1033-43.

    PMID: 23661516BACKGROUND
  • Ning Y, Shang Y, Huang H, Zhang J, Dong Y, Xu W, Li Q. Attenuation of cigarette smoke-induced airway mucus production by hydrogen-rich saline in rats. PLoS One. 2013 Dec 20;8(12):e83429. doi: 10.1371/journal.pone.0083429. eCollection 2013.

    PMID: 24376700BACKGROUND
  • Zheng J, Liu K, Kang Z, Cai J, Liu W, Xu W, Li R, Tao H, Zhang JH, Sun X. Saturated hydrogen saline protects the lung against oxygen toxicity. Undersea Hyperb Med. 2010 May-Jun;37(3):185-92.

    PMID: 20568549BACKGROUND
  • Kawamura T, Wakabayashi N, Shigemura N, Huang CS, Masutani K, Tanaka Y, Noda K, Peng X, Takahashi T, Billiar TR, Okumura M, Toyoda Y, Kensler TW, Nakao A. Hydrogen gas reduces hyperoxic lung injury via the Nrf2 pathway in vivo. Am J Physiol Lung Cell Mol Physiol. 2013 May 15;304(10):L646-56. doi: 10.1152/ajplung.00164.2012. Epub 2013 Mar 8.

    PMID: 23475767BACKGROUND
  • Huang CS, Kawamura T, Peng X, Tochigi N, Shigemura N, Billiar TR, Nakao A, Toyoda Y. Hydrogen inhalation reduced epithelial apoptosis in ventilator-induced lung injury via a mechanism involving nuclear factor-kappa B activation. Biochem Biophys Res Commun. 2011 May 6;408(2):253-8. doi: 10.1016/j.bbrc.2011.04.008. Epub 2011 Apr 5.

    PMID: 21473852BACKGROUND
  • Sun Q, Cai J, Liu S, Liu Y, Xu W, Tao H, Sun X. Hydrogen-rich saline provides protection against hyperoxic lung injury. J Surg Res. 2011 Jan;165(1):e43-9. doi: 10.1016/j.jss.2010.09.024. Epub 2010 Oct 15.

    PMID: 21067781BACKGROUND

MeSH Terms

Conditions

Pulmonary Disease, Chronic Obstructive

Interventions

Nebulizers and VaporizersOxygen Inhalation Therapy

Condition Hierarchy (Ancestors)

Lung Diseases, ObstructiveLung DiseasesRespiratory Tract DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Equipment and SuppliesRespiratory TherapyTherapeutics

Study Officials

  • Zhong N Shan, academician

    First Affiliated Hospital of Guangzhou Medical University

    STUDY CHAIR

Central Study Contacts

Zheng Z Guang, doctor

CONTACT

Hu J Ying, master

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Clinical Professor

Study Record Dates

First Submitted

July 22, 2016

First Posted

July 29, 2016

Study Start

July 15, 2016

Primary Completion

July 21, 2020

Study Completion

December 20, 2020

Last Updated

April 2, 2020

Record last verified: 2020-04

Data Sharing

IPD Sharing
Will share

the main evaluation index and the secondary evaluation index of all participants will be share in 3 months after the end of this study.

Locations