- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00967876
Coronary Artery Stent Evaluation With 320-slice Computed Tomography - The CArS 320 Study (CARS-320)
July 22, 2014 updated by: Marc Dewey, Charite University, Berlin, Germany
The investigators aim at analyzing the diagnostic accuracy of 320-row CT for coronary stents.
Study Overview
Status
Completed
Conditions
Study Type
Observational
Enrollment (Anticipated)
90
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
-
Berlin, Germany, 10117
- Charité
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
40 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Sampling Method
Non-Probability Sample
Study Population
Patients who underwent coronary artery stent placement in the past and are clinically indicated to undergo conventional coronary angiography.
Description
Inclusion Criteria:
- Suspected coronary artery in-stent restenoses based on clinical findings or findings on other noninvasive imaging tests and planned coronary angiography within the next 14 days.
- Able to understand and willing to sign the Informed CF.
Exclusion Criteria:
- Creatinine of above 2.0 mg/dl
- Age below 40 years
- Women of child bearing potential (no hysterectomy, no menopause, or menopause since less than 12 months) must demonstrate a negative pregnancy test performed within 24 hours before CT.
- Resting heart rate above 70 beats per minute and contraindications to beta blockers (e.g. moderate to severe bronchospastic disease, asthma)
- Atrial fibrillation, uncontrolled tachycardia, A-V block II or III degree or other non-sinus rhythms
- Inability to hold the breath for 10 seconds
- Hypotension < 80 mmHg systolic
- Unstable angina pectoris, acute myocardial infarction < 48h
- Continuous therapy with Dipyridamol
- Severe aortic stenosis
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Marc Dewey, MD, PhD, Charité
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Zimmermann E, Dewey M. Whole-heart 320-row computed tomography: reduction of radiation dose via prior coronary calcium scanning. Rofo. 2011 Jan;183(1):54-9. doi: 10.1055/s-0029-1245629. Epub 2010 Aug 19.
- Dewey M, Zimmermann E, Deissenrieder F, Laule M, Dubel HP, Schlattmann P, Knebel F, Rutsch W, Hamm B. Noninvasive coronary angiography by 320-row computed tomography with lower radiation exposure and maintained diagnostic accuracy: comparison of results with cardiac catheterization in a head-to-head pilot investigation. Circulation. 2009 Sep 8;120(10):867-75. doi: 10.1161/CIRCULATIONAHA.109.859280. Epub 2009 Aug 24.
- Dewey M. Coronary CT versus MR angiography: pro CT--the role of CT angiography. Radiology. 2011 Feb;258(2):329-39. doi: 10.1148/radiol.10100161. No abstract available.
- Preuss D, Garcia G, Laule M, Dewey M, Rief M. Myocardial CT perfusion imaging for the detection of obstructive coronary artery disease: multisegment reconstruction does not improve diagnostic performance. Eur Radiol Exp. 2022 Jan 31;6(1):5. doi: 10.1186/s41747-021-00256-8.
- Rief M, Zimmermann E, Stenzel F, Martus P, Stangl K, Greupner J, Knebel F, Kranz A, Schlattmann P, Laule M, Dewey M. Computed tomography angiography and myocardial computed tomography perfusion in patients with coronary stents: prospective intraindividual comparison with conventional coronary angiography. J Am Coll Cardiol. 2013 Oct 15;62(16):1476-85. doi: 10.1016/j.jacc.2013.03.088. Epub 2013 Jun 19. Erratum In: J Am Coll Cardiol. 2014 Mar 11;63(9):944.
- Rief M, Feger S, Martus P, Laule M, Dewey M, Schonenberger E. Acceptance of Combined Coronary CT Angiography and Myocardial CT Perfusion versus Conventional Coronary Angiography in Patients with Coronary Stents--Intraindividual Comparison. PLoS One. 2015 Sep 1;10(9):e0136737. doi: 10.1371/journal.pone.0136737. eCollection 2015.
- Feger S, Rief M, Zimmermann E, Martus P, Schuijf JD, Blobel J, Richter F, Dewey M. The Impact of Different Levels of Adaptive Iterative Dose Reduction 3D on Image Quality of 320-Row Coronary CT Angiography: A Clinical Trial. PLoS One. 2015 May 6;10(5):e0125943. doi: 10.1371/journal.pone.0125943. eCollection 2015.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
April 1, 2009
Primary Completion (Actual)
November 1, 2011
Study Registration Dates
First Submitted
August 27, 2009
First Submitted That Met QC Criteria
August 27, 2009
First Posted (Estimate)
August 28, 2009
Study Record Updates
Last Update Posted (Estimate)
July 23, 2014
Last Update Submitted That Met QC Criteria
July 22, 2014
Last Verified
July 1, 2014
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- EA1/133/08
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
Clinical Trials on Coronary Artery Stenosis
-
San Luigi Gonzaga HospitalRecruitingCoronary Disease | STEMI | Coronary Artery Ectasia | Right Coronary Artery Occlusion | Right Coronary Artery StenosisSpain, Italy
-
Biotronik (Beijing) Medical Device Ltd.Biotronik AGEnrolling by invitationNative Coronary Artery Stenosis | In-Stent Stenosis (Restenosis) of Coronary Artery StentChina
-
IGLESIAS Juan FernandoUniversity of BernNot yet recruiting
-
Concept Medical Inc.Cardiovascular Research Foundation, New YorkNot yet recruitingCardiovascular Diseases | Coronary Artery Disease | Native Coronary Artery Stenosis
-
Fundación EPICActive, not recruitingCoronary Artery Disease | Left Main Coronary Artery Disease | Left Main Coronary Artery Stenosis | Restenosis, CoronarySpain
-
Axetis AGUnknownNative Coronary Artery StenosisNetherlands
-
ECRI bvBoston Scientific Corporation; Philips HealthcareActive, not recruitingLeft Main Coronary Artery StenosisSpain, United Kingdom, Italy
-
Institut Mutualiste MontsourisCompletedLeft Main Coronary Artery StenosisFrance
-
Tryton Medical, Inc.UnknownLeft Main Coronary Artery StenosisGermany
-
Helios Health Institute GmbHHeart Center Leipzig - University HospitalRecruitingCoronary Artery Disease | Coronary Artery StenosesGermany