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临床试验/NCT05267418
NCT05267418终止不适用

Effects of Automated Oxygen Titration Alone or With High Flow Nasal Therapy on Dyspnea and Exercise Tolerance in Patients With Desaturating Chronic Lung Disease: a Randomized Clinical Trial

Laval University2 个研究点 分布在 1 个国家目标入组 30 人开始时间: 2019年2月26日最近更新:
适应症

试验速览

阶段
不适用
状态
终止
入组人数
30
试验地点
2
主要终点
Dyspnea score

研究概览

简要总结

The main purpose of this study is to evaluate the effects of automated oxygen administration (FreeO2 system) alone or with high-flow oxygen on dyspnea and exercise tolerance in people with desaturating chronic lung disease compared to fixed oxygen therapy.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Crossover
主要目的
Supportive Care
盲法
Single (Participant)

盲法说明

The participant was not inform about what kind of oxygen support was provided during exercise

入排标准

年龄范围
18 Years 至 —(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • One of them
  • Moderate to severe COPD (forced expiratory volume in 1 second (FEV1) < 80% predicted and FEV1/forced vital capacity (FVC) ratio < 0.7)
  • Chronic interstitial lung disease such as usual interstitial pneumonitis (UIP), non-specific interstitial pneumonitis (NSIP) or hypersensitivity pneumonitis on high-resolution computed tomography
  • Pulmonary arterial hypertension type 1 or 4, excluding involvement secondary to collagenosis as well as secondary to congenital heart disease, as diagnosed with mean pulmonary artery pressure > 25 mm Hg at right heart catheterization
  • Cystic fibrosis, as diagnosed by a positive sweat test (>60 mmol/L) or having 2 genetic mutations known to cause cystic fibrosis.
  • AND having a 6-minute walking test with significant desaturation defined as a decrease in O2 saturation greater or equal to 5% with O2 saturation at the end of the walking test < 88%

排除标准

  • Exacerbation of the primary lung disease in the past 8 weeks
  • Exercise limiting diseases other than the primary lung disease.
  • Not reaching the target dyspnea score during the walking tests.
  • Stage 1 pulmonary sarcoidosis
  • History of syncope on exertion
  • SpO2 with effort less than 90% despite the use of 6 L of O2 per minute
  • Cardiac condition deemed unstable or severe (e.g. severe aortic stenosis)
  • Disabling or severe rheumatological or neurological condition
  • Participation in a pulmonary rehabilitation program within the last year
  • Patients with multi-resistant bacteria

结局指标

主要结局

Dyspnea score

时间窗: At the end of the 3 minute-constant speed shuttle test (CSST) (3 minutes), immediately after the intervention (either fixed-O2, automated nasal O2 adjustment alone, or automated nasal O2 adjustment + high nasal flow)

Dyspnea score on the modified Borg scale (0 to 10, with higher score indicating worse dyspnea)

次要结局

  • Endurance time duration of the Endurance Shuttle Walking Test (EWST)(Duration in (mm:ss) of Endurance Shuttle Walking Test (ESWT), immediately after the intervention (either fixed-O2, automated nasal O2 adjustment alone, or automated nasal O2 adjustment + high nasal flow))
  • Mean pulsed O2 saturation (SpO2) during Endurance Shuttle Walking Test (EWST)(From the beginning to the end of the Endurance Shuttle Walking Test (ESWT) which will be done on 3 testing days, with either fixed O2, automatic O2 adjustment alone, or automatic O2 adjustment + high nasal flow)

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Francois Maltais

Principal Investigator

Laval University

研究点 (2)

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