NCT07447596

Brief Summary

Unicentric retrospective study designed to analyses the performance of various machine learning approaches to predict patterns of chronic respiratory diseases such as asthma, based mainly on clinical information and respiratory spirometry/oscillometry.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
50

participants targeted

Target at P25-P50 for all trials

Timeline
4mo left

Started Oct 2025

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress69%
Oct 2025Sep 2026

Study Start

First participant enrolled

October 15, 2025

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

February 26, 2026

Completed
5 days until next milestone

First Posted

Study publicly available on registry

March 3, 2026

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 15, 2026

Expected
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2026

Last Updated

March 3, 2026

Status Verified

February 1, 2026

Enrollment Period

9 months

First QC Date

February 26, 2026

Last Update Submit

February 26, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Oscillometric breathing pattern

    Analyze results obtained

    1 year

Secondary Outcomes (1)

  • Respiratory pattern spirometry

    1 year

Study Arms (1)

Oscillometry

Compare oscillometry results with spirometryClick to apply

Other: 1

Interventions

1OTHER

Compare oscillometry results with spirometryClick to apply

Oscillometry

Eligibility Criteria

Age18 Years - 99 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients with asthma or COPD

You may qualify if:

  • years
  • Spirometry available
  • Confirmed clinical diagnosis of COPD, asthma, interstitial lung disease according to national or international guidelines

You may not qualify if:

  • Acute respiratory infection

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hospital de la Santa Creu i Sant Pau

Barcelona, 08041, Spain

RECRUITING

Related Publications (4)

  • Bickel S, Popler J, Lesnick B, Eid N. Impulse oscillometry: interpretation and practical applications. Chest. 2014 Sep;146(3):841-847. doi: 10.1378/chest.13-1875.

  • Komarow HD, Myles IA, Uzzaman A, Metcalfe DD. Impulse oscillometry in the evaluation of diseases of the airways in children. Ann Allergy Asthma Immunol. 2011 Mar;106(3):191-9. doi: 10.1016/j.anai.2010.11.011. Epub 2011 Jan 6.

  • Oostveen E, MacLeod D, Lorino H, Farre R, Hantos Z, Desager K, Marchal F; ERS Task Force on Respiratory Impedance Measurements. The forced oscillation technique in clinical practice: methodology, recommendations and future developments. Eur Respir J. 2003 Dec;22(6):1026-41. doi: 10.1183/09031936.03.00089403.

  • Schulz H, Flexeder C, Behr J, Heier M, Holle R, Huber RM, Jorres RA, Nowak D, Peters A, Wichmann HE, Heinrich J, Karrasch S; KORA Study Group. Reference values of impulse oscillometric lung function indices in adults of advanced age. PLoS One. 2013 May 15;8(5):e63366. doi: 10.1371/journal.pone.0063366. Print 2013.

Study Officials

  • Astrid Crespo-Lessmann, PhD

    Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Astrid Crespo, PhD

CONTACT

Astrid Crespo-Lessmann, PhD

CONTACT

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 26, 2026

First Posted

March 3, 2026

Study Start

October 15, 2025

Primary Completion (Estimated)

July 15, 2026

Study Completion (Estimated)

September 1, 2026

Last Updated

March 3, 2026

Record last verified: 2026-02

Locations