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Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 12 December 2020
Main ID:  NCT03806907
Date of registration: 15/01/2019
Prospective Registration: Yes
Primary sponsor: University of Sheffield
Public title: Iodine Subtraction Mapping in the Diagnosis of Chronic Pulmonary Thromboembolic Disease INSPIRE
Scientific title: IodiNe Subtraction maPpIng in the Diagnosis of chRonic Pulmonary thromboEmbolic Disease (INSPIRE): An Observational Diagnostic Study
Date of first enrolment: April 1, 2019
Target sample size: 100
Recruitment status: Not yet recruiting
URL:  https://clinicaltrials.gov/show/NCT03806907
Study type:  Observational
Study design:   
Phase: 
Countries of recruitment
Contacts
Name:     Andy J Swift, PhD
Address: 
Telephone:
Email:
Affiliation:  University of Sheffield
Name:     Yousef Shahin, MD
Address: 
Telephone:
Email:
Affiliation:  University of Sheffield
Name:     Andy J Swift, PhD
Address: 
Telephone: 0114 2159595
Email: a.j.swift@sheffield.ac.uk
Affiliation: 
Name:     David Kiely, MD
Address: 
Telephone:
Email:
Affiliation:  Sheffield Teaching Hospitals NHS Foundation Trust
Name:     Kavitasagary Karunasaagarar
Address: 
Telephone:
Email:
Affiliation:  Sheffield Teaching Hospitals NHS Foundation Trust
Key inclusion & exclusion criteria

Inclusion Criteria:

- Patients suspected to have CTED and require a SPECT and CTPA

Exclusion Criteria:

- Less than 18 years old

- Unable to provide informed consent

- Significant renal dysfunction (GFR <30ml/min)

- History of hypersensitivity to contrast material

- Pregnancy



Age minimum: 18 Years
Age maximum: 90 Years
Gender: All
Health Condition(s) or Problem(s) studied
Chronic Thromboembolic Pulmonary Hypertension
Intervention(s)
Radiation: Computed tomography lung subtraction iodine mapping
Primary Outcome(s)
Assessment of the diagnostic performance of CT-LSIM for evaluation of pulmonary perfusion in patients with known or suspected chronic thromboembolic pulmonary hypertension (CTEPH) [Time Frame: 12 months]
Secondary Outcome(s)
Diagnostic accuracy of CT-LSIM compared with single photon emission computed tomography (SPECT) [Time Frame: 12 months]
Number of alternate diagnoses made on CT-LSIM over lung SPECT imaging [Time Frame: 12 months]
Diagnostic accuracy of CT-LSIM compared with CT pulmonary angiography (CTPA) [Time Frame: 12 months]
Diagnostic accuracy of experienced and less experienced observers [Time Frame: 12 months]
Radiation dose between CT-LSIM, SPECT and CTPA [Time Frame: 12 months]
Secondary ID(s)
STH20623
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
Sheffield Teaching Hospitals NHS Foundation Trust
Ethics review
Results
Results available:
Date Posted:
Date Completed:
URL:
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