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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05594485
Other study ID # 00001
Secondary ID
Status Completed
Phase
First received
Last updated
Start date August 15, 2022
Est. completion date October 20, 2022

Study information

Verified date July 2023
Source Carebot s.r.o.
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The purpose of this study is to describe the design, methodology and evaluation of the preclinical test of Carebot AI CXR software, and to provide evidence that the investigated medical device meets user requirements in accordance with its intended use. Carebot AI CXR is defined as a recommendation system (classification "prediction") based on computer-aided detection. The software can be used in a preclinical deployment at a selected site before interpretation (prioritization, display of all results and heatmaps) or after interpretation (verification of findings) of CXR images, and in accordance with the manufacturer's recommendations. Given this, a retrospective study is performed to test the clinical effectiveness on existing CXRs.


Description:

The performance of the trained and internally validated Carebot AI CXR software is tested on a set of 127 CXR images from target population. This is compared to common clinical practice, i.e., image assessment by a radiologist in a hospital. Patients may have a variety of findings; at this stage of the evaluation, an abnormal finding is considered to be an abnormality in any of the defined classes. False negative images incorrectly predicted by Carebot AI CXR software result in a clinical impact determination. To collect the CXR data for retrospective study, investigators addressed a municipal hospital in the Czech Republic that provides healthcare services to up to 130,000 residents of a medium-sized city (approximately 70,000 inhabitants) and the surrounding area. 127 anonymized CXR images were collected between August 15 and 17, 2022, and subsequently submitted to five independent radiologists of varying experience for annotation. The selected radiologists were asked to assess whether the CXR image shows any of the 12 pre-selected abnormalities. Pediatric CXR images (under 18 years of age), scans with technical problems (poor image quality, rotation), and images in lateral projection were excluded from the dataset.


Recruitment information / eligibility

Status Completed
Enrollment 127
Est. completion date October 20, 2022
Est. primary completion date August 17, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Hospital patients who were referred for chest radiography between August 15 and 17, 2022. Exclusion Criteria: - Pediatric CXR images (under 18 years of age) - Scans with technical problems (poor image quality, rotation) - Images in lateral projection

Study Design


Intervention

Device:
Carebot AI CXR
Carebot AI CXR is a deep learning-based software that assists radiologists in the interpretation of chest radiographs in posterior-anterior (PA) or anterior-posterior (AP) projections. The solution with artificial intelligence automatically detects abnormality based on visual patterns for the following findings: atelectasis, consolidation, cardiomegaly, mediastinal widening, pneumoperitoneum, pneumothorax, pulmonary edema, pulmonary lesion, bone fracture, hilar enlargement, subcutaneous emphysema, and pleural effusion.

Locations

Country Name City State
Czechia Nemocnice Havírov, p. o. Havírov

Sponsors (1)

Lead Sponsor Collaborator
Carebot s.r.o.

Country where clinical trial is conducted

Czechia, 

Outcome

Type Measure Description Time frame Safety issue
Primary Primary objective Comparison of the accuracy of radiologist and Carebot AI CXR image assessment. 20-10-2022
Secondary Secondary objective Comparison of the accuracy of radiologis with different experience vs. Carebot AI CXR. Weakness assessment of Carebot AI CXR. 20-10-2022
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