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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT06156436
Other study ID # 19002
Secondary ID
Status Completed
Phase
First received
Last updated
Start date January 1, 2024
Est. completion date February 29, 2024

Study information

Verified date February 2024
Source ResApp Health Limited
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Aim of study is to demonstrate that the ResAppDx v2.0 algorithms provide an accurate diagnosis of paediatric respiratory disease in the study's clinical setting compared to a Clinical Adjudication Committee's (CAC) diagnosis; and to establish a baseline for the resource use and cost of current care pathways for paediatric respiratory disease diagnosis in an emergency department. Eligible subjects/parents will be assented/consented, enrolled and their subject reported signs/symptoms of respiratory disease will be recorded in the study electronic case report form (eCRF).The enrolled subject's cough sounds will be captured (5 cough sounds are required) using the ResAppDx v2.0 Investigational Device (ID) software installed on a study smartphone; cough sounds may be voluntary and/or involuntary/spontaneous. As this is an observational study the treating team will be blinded to the ResAppDx v2.0diagnoses. Additional medical information will be collected from the treating team, from the subject/parent and from the subject's medical record. No follow-up/subsequent visits with the subject will be required by the study. As an efficacy comparator, a CAC will determine the final clinical diagnosis for each enrolled subject using the disease case definitions, eCRF data, the subject's medical record and cough sound recordings.Information on time and scope of tests and consults ordered by the treating team will be recorded to set a baseline for resource use and cost and time of current standard of care treatment/assessment procedures. This data will allow future health economics analyses to be performed.The blinded ResAppDx v2.0diagnoses will be unblinded after database lock and sensitivity and specificity will be calculated for the ResAppDx v2.0diagnoses compared to agreement with the CAC's final clinical diagnoses for this cohort.


Recruitment information / eligibility

Status Completed
Enrollment 75
Est. completion date February 29, 2024
Est. primary completion date February 29, 2024
Accepts healthy volunteers No
Gender All
Age group 29 Days to 12 Years
Eligibility Inclusion Criteria: - Infants and children, aged from 29 days to less than 12 years of age. 1. Presenting to the study site with current signs or symptoms of rhinorrhea, cough, wheeze, stridor, increased work of breathing, cyanosis, additional auscultatory noises (crepitations), or low oximetry levels. 2. Onset of symptoms must have occurred within the past 14 days. Exclusion Criteria: 1. Parent or legal guardian is unwilling or unable to sign the study informed consent form. 2. A child who, in the opinion of the investigator, is able to provide assent based on their age, maturity or psychological state is unwilling or unable to sign the study assent form. 3. Patient requires mechanical ventilatory support (including invasive, CPAP, or BiPAP) or high flow nasal cannula 4. Patient has a history of structural airways abnormalities, tracheobronchomalacia, or vocal cord abnormalities (e.g. laryngomalacia, tracheomalacia, or bronchomalacia) 5. Patient has a medical contraindication to voluntary cough, including the following (only enroll if coughing spontaneously) - Severe respiratory distress - History of pneumothorax - Eye, chest, or abdominal surgery in past 3 months - Hemoptysis in the past month 6. Patient is too medically unstable to participate in study per treating clinician 7. Patient has a tracheostomy present or tube placed 8. Patient is unable to provide at 5 coughs (voluntary and/or spontaneous)

Study Design


Intervention

Device:
ResAppDx v.20
Software application used to aid diagnosis of respiratory disorders

Locations

Country Name City State
United Kingdom Birmingham Children's Hospital Birmingham
United Kingdom Bristol Royal Hospital of Children Bristol
United Kingdom Leicester Royal Infirmary Leicester
United Kingdom Evelina London Children's Hospital London
United Kingdom The Royal London Hospital London

Sponsors (1)

Lead Sponsor Collaborator
ResApp Health Limited

Country where clinical trial is conducted

United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Efficacy of ResAppDx v2.0 compared to clinical adjudication panel Efficacy will be compared to the diagnosis formed by consensus of the Clinical Adjudication Committee (CAC) and evaluated using sensitivity and specificity of ResAppDx v2.0 algorithms ("Index Test") to diagnose and rule out the following conditions:
croup;
bronchiolitis (for patients less than 2 years old only);
asthma / reactive airway disease (RAD);
pneumonia and
lower respiratory tract disease (LRTD)
6 months
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