Efficacy and Safety of Hydrogen Inhalation on Bronchiectasis: A Randomized, Multi-center, Double-blind Study

NCT ID: NCT02765295

Last Updated: 2019-08-01

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

120 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-06-01

Study Completion Date

2021-12-31

Brief Summary

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This is a multi-center, randomized, double-blind, parallel-group trial. After a 2-week run-in period, eligible patients will be, based on the randomization codes kept in sealed envelopes, randomly assigned to receive usual care (mucolytics and/or chest physiotherapy) plus oxygen inahaltion (1 hr daily for 12 consecutive months) or hydrogen inhalation (1 hr daily for 12 consecutive months) provided by the sponsor. At 3 months after the end-of-treatment, a follow-up visit will be scheduled for all patients.

Detailed Description

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This is a multi-center, randomized, double-blind, parallel-group trial. After 2-week run-in period, eligible patients will be, based on the randomization codes kept in sealed envelopes, randomly assigned to two groups.On the basis of usual care \[ambroxool (30mg thrice daily), or N-acetylcysteine (0.2g thrice daily)/ serrapeptase (10mg thrice daily), or carbocisteine (500mg thrice daily) and/or chest physiotherapy (10 min, twice daily)\], patients were randomized to receive either hydrogen (66.7%, 3L/min, 1 hr twice daily) inhalation or oxygen inhalation (3L/min, 1 hr twice daily) via nasal canula for 12 months. A follow-up visit at month 3 following end-of-treatment was also scheduled. The primary endpoint was the annual frequency of bronchiectasis exacerbations. Hospital visits were scheduled at baseline and months 1, 3, 6, 9, 12 and 15, respectively. At 3 months after the end-of-treatment, a follow-up visit will be scheduled for all patients.

Conditions

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Bronchiectasis Acute Exacerbation of Bronchiectasis Oxidative Stress

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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hydrogen inhalation

The medical ultrasonic nebulizers with hydrogen/oxygen generating function (MUNHO) will be provided exclusively by the sponsor, Asclepius Meditec Inc (Shanghai, China). The MUNHO consists of a electrolytic tank which, by using direct current converted from alternating current (220 V), generates the hydrogen and oxygen gas from pure water (2:1 in volume). The MUNHO is also capable of nebulizing the water via ultrasounds with the hydrogen-oxygen mixture gas which is finally delivered to the patient's airways via the facial mask through a plastic tube. Typically, the volume of hydrogen-oxygen mixed gas is 3 liters per minute (3 L/min). Usual care referred to mucolytics (see below for details) alone or plus chest physiotherapy.

Group Type ACTIVE_COMPARATOR

medical ultrasonic hydrogen/oxygen nebulizer (MUNHO)

Intervention Type DEVICE

The medical ultrasonic nebulizers with hydrogen/oxygen generating function (MUNHO) will be provided exclusively by the sponsor, Asclepius Meditec Inc (Shanghai, China). The MUNHO consists of a electrolytic tank which, by using direct current converted from alternating current (220 V), generates the hydrogen and oxygen gas from pure water (2:1 in volume). The MUNHO is also capable of nebulizing the water via ultrasounds with the hydrogen-oxygen mixed gas which is finally delivered to the patient's airways via the facial mask through a plastic tube. Typically, the volume of hydrogen-oxygen mixed gas is 3 liters per minute (3 L/min).

oxygen inhalation

Oxygen will be generated by an instrument provided by the sponsor, that would be capable of generating oxygen equivalent to that generated by the MUNHO (3L/min mixed gas containing 33.3% oxygen). Usual care referred to mucolytics \[\[ambroxool (30mg thrice daily), or N-acetylcysteine (0.2g thrice daily)/ serrapeptase (10mg thrice daily), or carbocisteine (500mg thrice daily)\] alone or in combination with chest physiotherapy.

Group Type SHAM_COMPARATOR

Medical molecular mesh oxygen generator

Intervention Type DEVICE

medical molecular mesh oxygen generator, type: OLO-1, oxygen flow: 3L/min; Shanghai Ouliang Medical Instrument Inc., Shanghai, China; Registration No.: Shanghai Medical Instrument approval No. 20152540046.

This device has an identical appearance as compared with the MUHNO so that the patients could not readily discriminate with the MUHNO, and is also capable of displaying the actual cumulative duration of oxygen inhalation.

Interventions

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medical ultrasonic hydrogen/oxygen nebulizer (MUNHO)

The medical ultrasonic nebulizers with hydrogen/oxygen generating function (MUNHO) will be provided exclusively by the sponsor, Asclepius Meditec Inc (Shanghai, China). The MUNHO consists of a electrolytic tank which, by using direct current converted from alternating current (220 V), generates the hydrogen and oxygen gas from pure water (2:1 in volume). The MUNHO is also capable of nebulizing the water via ultrasounds with the hydrogen-oxygen mixed gas which is finally delivered to the patient's airways via the facial mask through a plastic tube. Typically, the volume of hydrogen-oxygen mixed gas is 3 liters per minute (3 L/min).

Intervention Type DEVICE

Medical molecular mesh oxygen generator

medical molecular mesh oxygen generator, type: OLO-1, oxygen flow: 3L/min; Shanghai Ouliang Medical Instrument Inc., Shanghai, China; Registration No.: Shanghai Medical Instrument approval No. 20152540046.

This device has an identical appearance as compared with the MUHNO so that the patients could not readily discriminate with the MUHNO, and is also capable of displaying the actual cumulative duration of oxygen inhalation.

Intervention Type DEVICE

Other Intervention Names

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hydrogen generating instrument Oxygen generating instrument

Eligibility Criteria

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Inclusion Criteria

* Out-patients of either gender, ex- or never-smokers, aged between 18 and 75 years
* Clinically stable bronchiectasis, defined as respiratory symptoms and lung function parameters not exceeding normal daily variations and no acute upper respiratory tract infections for 4 consecutive weeks
* Patients with a history of 2 or more bronchiectasis exacerbations (BEs) within the previous 2 years

Exclusion Criteria

* Other unstable concomitant systemic illnesses (i.e. coronary heart disease, recent cerebral stroke, severe uncontrolled hypertension, active gastric or duodenal ulcer, uncontrolled diabetes, malignancy, hepatic or renal dysfunction)
* Concomitant asthma, allergic bronchopulmonary aspergillosis, or active tuberculosis
* Concomitant chronic obstructive pulmonary disease as the predominant diagnosis
* Treatment with inhaled, oral or systemic antibiotics within 4 weeks
* Type 2 respiratory failure needing oxygen therapy or non-invasive mechanical ventilation
* Females during lactation or pregnancy
* Poor understanding or failure to properly operate the instrument
* Participation in other clinical trials within 3 months.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Guangzhou Institute of Respiratory Disease

OTHER

Sponsor Role lead

Responsible Party

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Weijie Guan

doctor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Nan-shan Zhong, MD

Role: STUDY_CHAIR

Guangzhou Institute of Respiratory Disease

Locations

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First Affiliated Hospital of Guangzhou Medical University

Guangzhou, Guangdong, China

Site Status RECRUITING

The Second Affiliated Hospital of Guangzhou Medical University

Guangzhou, Guangdong, China

Site Status RECRUITING

West China Hospital Affiliateyd to Sichuan Universit

Chengdu, , China

Site Status NOT_YET_RECRUITING

Affiliated Zhongshan Hospital of Fudan University

Shanghai, , China

Site Status NOT_YET_RECRUITING

Shanghai Pulmonary Hospital

Shanghai, , China

Site Status NOT_YET_RECRUITING

Countries

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China

Central Contacts

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Nan-shan Zhong, MD

Role: CONTACT

+86-13609003622

Wei-jie Guan, PhD

Role: CONTACT

+86-13826042052

Facility Contacts

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Wei-jie Guan

Role: primary

Nan-shan Zhong

Role: backup

Fei-peng Chen

Role: primary

Zong-an Liang

Role: primary

Yuan-lin Song

Role: primary

Jin-fu Xu

Role: primary

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Other Identifiers

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GWJ-2015-H2

Identifier Type: -

Identifier Source: org_study_id

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