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PIFR-based Inhalation Therapy in Patients Recovering From AECOPD

Not Applicable
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Drug: PIRF measured by InCheck DIAL
Drug: Regular treament
Registration Number
NCT04000958
Lead Sponsor
Shanghai Zhongshan Hospital
Brief Summary

This study is designed to determine whether the optimized inhalation therapy based on peak inspiratory flow rates (PIFR) measured against the simulated resistance can reduce the rate of treatment failure in patients recovering from acute exacerbation of chronic obstructive pulmonary disease (AECOPD). Errors in inhaler use and quality of life are also to be evaluated.

The study will recruit 460 patients with AECOPD whose exacerbated symptoms are relieved by 5-7 days of standard therapy. The participants are divided into PIFR group and control group in a 1:1 ratio according to a random number table method. All the patients will be given inhaled corticosteroid(ICS)/long-acting β agonist(LABA) (budesonide/ formoterolSymbicort turbuhaler® 160/4.5 μg bid or Beclometasone/ Formoterol Foster® pressure metered dose inhaler(pMDI) 100/6 μg 2 puff bid). For symptomatic patients before acute exacerbation, Spiriva handihaler® 18μg qd or Spiriva respimat® 2.5μg qd will be prescribed in combination with ICS/LABA. For PIFR group, PIFR is measured by InCheck DIAL(Clement Clarke International Ltd, Harlow, UK and Alliance Tech Medical). If PIFR is less than 60L/min , the patient will be given pMDI with spacer. If PIFR value is over 60 L/min, the patient will be given dry powder inhaler(DPI).). The control group will be given DPI or pMDI with spacer according to the judgment of a respiratory physician. Both groups will be taught to use the device after the prescription, and then be reminded to use medication via a WeChat public account.

The primary endpoint of the study is the 30-day treatment failure including AECOPD recurrence resulting in an emergency visit, admission, or need for intensified medication). The secondary endpoints of the study are the error rate of inhalation device use, satisfaction with inhalation devices, symptoms and quality of life, 30-day mortality, chronic obstructive pulmonary diseases(COPD)-related treatment costs and PIFR.

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
460
Inclusion Criteria
  • Patients with acute exacerbation of chronic obstructive pulmonary disease(AECOPD) whose acute respiratory symptoms have been controlled after 5-7 day-standard AECOPD treatment including atomized or inhaled brochodilator plus oral or intravenous glucocorticoid (prednisone equivalent dose 40-50mg) or Pulmicort 2mg atomization Bid plus broad-spectrum antibiotics.
  • Patients with moderate and above chronic obstructive pulmonary disease diagnosed by spirometry, ie, forced expiratory volume in one second(FEV1)/forced vital capacity(FVC) <70% post-bronchodilator and FEV1% predicted value <80%.
  • Patients have signed an informed consent form.
Exclusion Criteria
  • Patients who is already using home nebulization therapy because of the severity of the illness.
  • Patients with bronchial asthma, pulmonary interstitial fibrosis, bronchiectasis, pulmonary embolism and other lung diseases; or hypertension, heart disease, chronic liver and kidney disease, diabetes, chronic gastrointestinal diseases, malignant tumors, critically ill patients.
  • Patient's mental state cannot match the observation or suffer from cognitive impairment.
  • Patient's peak inspiratory flow rates (PIFR) is less than 20L/min.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PIFR groupPIRF measured by InCheck DIAL-
control groupRegular treament-
Primary Outcome Measures
NameTimeMethod
30-day treatment failure rate30 days

Treatment failure means AECOPD recurrence resulting in an emergency visit, admission, or need for intensfied medication.

Secondary Outcome Measures
NameTimeMethod
30-day mortality30 days
COPD-related treatment costs30 days/ 90 days
the error rate of inhalation device use30 days/ 90 days
score of St.George's Respiratory Questionnaire(SGRQ)30 days/ 90 days

St.George's Respiratory Questionnaire(SGRQ) is used to assess patient's quality of life.

The SGRQ scale range is from 0 to 100. The higher the score is, the more severe the impact of COPD on patient' life is.

satisfaction with inhalation devices30 days/ 90 days

Patients' satisfaction with inhalation devices will be assessed by the following items. If the patient meets any of the following, the result will be unsatisfactory:

1. The patient has forgotten to use the inhaler.

2. The patient has forgotten to use the inhaler in the last two weeks.

3. The patient has reduced the frequency of using inhaler without medical advice.

4. The patient has forgotten to bring an inhaler when traveling or leaving home.

5. The patient has quitted the inhaler without medical advice when feeling his condition improved.

6. The patient has felt it difficult to comply with the COPD treatment plan.

7. The patient has felt it difficult to use the inhaler.

score of COPD assessment test(CAT)30 days/ 90 days

COPD assessment test(CAT) is used to assess patient's symptoms. The CAT scale range is from 0 to 40. A score of 0-10 indicates the patient is slightly affected by COPD. A score of 11-20 indicates the patient is moderately affected by COPD. A score of 21-30 indicates the patient is seriously affected by COPD. A score of 31-40 indicates the patient is extremely affected by COPD.

Peak Inspiratory Flow Rates(PIFR)30 days/ 90 days
90-day mortality90 days
score of modified British medical research council(mMRC)30 days/ 90 days

Modified British medical research council(mMRC) is used to assess patient's symptoms.

The mMRC scale range is from 0 to 4. The higher the score is, the more severe the patient's dyspnea is.

Trial Locations

Locations (1)

180 Fenglin Road

🇨🇳

Shanghai, China

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