Trial · NCT07910409
Construction and Validation of an Impulse Oscillometry (IOS)-Based Platform for Screening, Diagnosis, and Management of Chronic Airway Diseases
NCT07910409, Recruiting, Beijing Chao Yang Hospital
3 sourcestrials-2026-11-12-0.5.0
Cite this record
ConductScience Library. Construction and Validation of an Impulse Oscillometry (IOS)-Based Platform for Screening, Diagnosis, and Management of Chronic Airway Diseases. Trials, record NCT07910409. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT07910409
On this page
Trial
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
- Title
- Construction and Validation of an Impulse Oscillometry (IOS)-Based Platform for Screening, Diagnosis, and Management of Chronic Airway Diseases
- NCT number
- NCT07910409
- Status
- Recruiting
- Enrollment
- 2,800 participants, estimated
- Lead sponsor
- Beijing Chao Yang Hospital
- Conditions
- Chronic Obstructive Pulmonary Disease (COPD), Asthma (Diagnosis)
- First posted
- 2026-11-02
- Last updated
- 2026-11-02
Source ClinicalTrials.gov
Registered outcomes2
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | Diagnostic performance of IOS-based models for COPD and asthma | At enrollment (cross-sectional assessment) | Area under the receiver operating characteristic curve (AUC), sensitivity, specificity, positive predictive value, negative predictive value, and optimal diagnostic cutoff values of IOS-based diagnostic models for COPD and asthma, using respiratory specialists' clinical diagnosis as the gold standard. |
| Primary | Acute exacerbation events | Baseline to 48 weeks | Acute exacerbation events, defined as symptom deterioration requiring systemic glucocorticoid use, antibiotic use, emergency department visits, or hospitalization. Frequency, severity, and duration of emergency department visits or hospitalizations will be recorded. |
Source ClinicalTrials.gov
Outcomes0
Each outcome the trial posted results for, in ClinicalTrials.gov's words.
None in this release.
Results by group0
Each measurement the trial posted, group by group, in the words and numbers it posted.
None in this release.
Participant flow0
How many started, completed or left each group, period by period.
None in this release.
Adverse events0
Each adverse event the trial posted, group by group: the participants affected out of those at risk.
None in this release.
Adverse event totals0
The totals the trial posted for each group.
None in this release.
Papers0
The papers the trial lists on ClinicalTrials.gov.
None in this release.
Grants0
The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.
None in this release.
Trial comparisons0
Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.
None in this release.
Tests0
The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.
None in this release.
Data dates
The day each source was copied for this release.
Sources 3
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
- NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
- NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
For software
Read this trial from software.
The record and each of its lists are JSON, twenty rows a page. No key.
GET https://conductscience.org/api/trials/v1/NCT07910409
GET https://conductscience.org/api/trials/v1/NCT07910409/registered