- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT01272453
Computed Tomography Dose Reduction Using Sequential or Fast Pitch Sprial Technique (CTDOSE)
Computed Tomography Dose Reduction Using Sequential or Fast Pitch Sprial Technique Employed in Cardiothoracic Imaging
Studieoversikt
Status
Detaljert beskrivelse
The development of a novel CT scanner capable of sequential or fast-pitch spiral techniques in most patients (Siemens Definition Flash) represents a potentially crucial technical innovation at a particularly critical juncture. National healthcare systems are under pressure to deliver accurate and cost-effective diagnosis of an increasing number of patients and CT angiography in various settings is a proven, highly accurate technique that has been shown to improve diagnostic efficiency and reduce the cost of care.
However, there has been increasing concern about the lifetime attributable risk of cancer from radiation related to diagnostic procedures. Such concern extends to other radiation-based procedures that contribute to the cumulative lifetime radiation exposure of patients. The Flash scanner holds the promise of substantially reducing exposure resulting from a variety of examinations.
The CT DOSE multicenter trial is therefore designed to validate the extent of dose reduction attendant to the use of the Flash scanner in cardiothoracic scanning, and to determine whether image quality is preserved in spite of significant dose reduction.
Studietype
Registrering (Faktiske)
Kontakter og plasseringer
Studiesteder
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California
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San Diego, California, Forente stater, 92134
- Naval Medical Center
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Massachusetts
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Boston, Massachusetts, Forente stater, 02114
- Massachusetts General Hospital
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Michigan
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Royal Oak, Michigan, Forente stater, 48073
- William Beaumont Hospital-Royal Oak
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Troy, Michigan, Forente stater, 48085
- William Beaumont Hospital-Troy
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Minnesota
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Minneapolis, Minnesota, Forente stater, 55407
- Minneapolis Heart Institute/ Abbott Northwestern
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New York
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New York, New York, Forente stater, 10006
- NYU Langone Medical Center
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Ohio
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Cleveland, Ohio, Forente stater, 44195
- Cleveland Clinic Foundation
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South Carolina
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Charleston, South Carolina, Forente stater, 29425
- Medical University of South Carolina
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Kingdom of Saudi Arabia
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Riyadh, Kingdom of Saudi Arabia, Saudi-Arabia, 11426
- King Abdul-Aziz Cardiac Center, national Guard Health Affairs
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Prøvetakingsmetode
Studiepopulasjon
Beskrivelse
Inclusion Criteria:
- Scans from patients undergoing clinically indicated pulmonary angiography, aortography and/or CCTA.
- Age greater than or equal to 18 years.
Exclusion Criteria:
- No exclusions
Studieplan
Hvordan er studiet utformet?
Designdetaljer
Kohorter og intervensjoner
Gruppe / Kohort |
|---|
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Control Group
Data from patients in the control group will be obtained retrospectively from patient medical records and stored image data
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Prospective Patient Group
Data from patients in the Flash group will be obtained prospectively from scanner consoles and medical records.
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Hva måler studien?
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
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Radiation dose
Tidsramme: Time of CT scan
|
The primary endpoint is radiation dose, measured as dose-length-product (DLP, in mGy∙cm) and effective radiation dose, calculated as DLP x 0.014 (in mSv).
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Time of CT scan
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Sekundære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
|
Assessment of Image Quality
Tidsramme: Time of CT Scan
|
Signal noise (standard deviation of attenuation in Hounsfield units) will be determined in regions of interest in: A) air anterior to the chest wall, B) mid-LV septum and C) mid thoracic aorta or main PA.
This will be done in a sequential sample of every 5th case (approximately 600 cases total).
|
Time of CT Scan
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Samarbeidspartnere og etterforskere
Sponsor
Samarbeidspartnere
Etterforskere
- Hovedetterforsker: Gilbert Raff, MD, William Beaumont Hospitals
Studierekorddatoer
Studer hoveddatoer
Studiestart
Primær fullføring (Faktiske)
Studiet fullført (Faktiske)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Anslag)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- 2010-209
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