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A clinical evaluation for a portable breath analyzer

Evaluation for the accuracy and practicability of a portable breath analyzer

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1800018644
Enrollment
Unknown
Registered
2018-09-30
Start date
2018-10-01
Completion date
Unknown
Last updated
2018-10-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic obstructive pulmonary disease, asthma

Interventions

Gold Standard:Germanic pulmonary function apparatus and Sweden Niox Nitric Oxide measurement system
Index test:Portable&#32
breath&#32
analyzer&#32
(Wuxi&#32
Shang&#32
Wo&#32
medical&#32
electronic&#32
Limited&#32
company)

Sponsors

China-Japan Friendship Hospital
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: Chronic obstructive pulmonary disease: 1. aged >40 years; 2. In line with the global initiative for chronic obstructive pulmonary disease (GOLD-2018) diagnostic criteria Asthma: 1. aged >18 years; 2. In line with the asthma (GINA 2017) diagnostic criteria.

Exclusion criteria

Exclusion criteria: 1. people who have chronic diseases, such as severe cardiovascular and cerebrovascular diseases, liver or renal insufficiency, epilepsy and other neuropsychiatric diseases, active pulmonary tuberculosis, and the impact of other diseases or have other diseases influence the Information gathering; 2. tumor, ACOand patients receiving antituberculosis treatment; 3. patients who underwent chest, abdominal and ophthalmic surgery in the past 3 months; 4. Pregnant and lactating women; 5. No informed consent has been signed.

Design outcomes

Primary

MeasureTime frame
FEV1;FEV1%pre;FVC;1??;PEF;eNO;—

Countries

China

Contacts

Public ContactTing Yang

China-Japan Friendship Hospital

dryangting@qq.com+86 13651380809

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026