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Physicians International Coronary Computed Tomography Angiography (CCTA) Utilization Registry (BIGPICTURE)

This study has been completed.
Information provided by (Responsible Party):
MDDX LLC Identifier:
First received: July 5, 2009
Last updated: December 8, 2012
Last verified: December 2012

This protocol describes an observational study whose goal is to collect de-identified Coronary CT Angiography (CCTA) acquisition factors and interpretations (findings) from several hundred U.S. and international imaging facilities. The study uses an electronic data capture tool to collect de-identified CCTA utilization parameters and clinical findings in order to create a multi-center registry. This registry will be used for scientific analysis and publication of pertinent medical trends such as CT utilization, radiation dose, and common cardiovascular findings. The registry will be used to determine areas of interest for future randomized controlled trials.

All data will be collected with patient identifiers removed and in complete accordance with HIPAA regulations. All data will be analyzed in aggregate, thus further minimizing the risk of patient confidentiality violations.

Coronary Artery Disease

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Physicians International CCTA Utilization Registry

Further study details as provided by MDDX LLC:

Primary Outcome Measures:
  • CCTA utilization parameters and clinical findings [ Time Frame: Two years ]

Secondary Outcome Measures:
  • 90 day MACE, Intended Care Management and Cost Effectiveness for cardiologists interpreting their CCTA studies [ Time Frame: Two years ]

Enrollment: 6000
Study Start Date: May 2009
Study Completion Date: December 2011
Primary Completion Date: December 2011 (Final data collection date for primary outcome measure)
All comers >18 yrs old
This study is observational, studying patients who are already scheduled to undergo CCTA. Minors and those unable to consent to the study are excluded.


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
Adults (18 or older) who are scheduled to undergo a CCTA imaging procedure.

Inclusion Criteria:

  • Adult participants who are able and willing to consent for themselves
  • Patients scheduled for CCTA examination

Exclusion Criteria:

  • Patients who did not complete the planned CT imaging procedure due to mechanical error of the CT machine.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00932958

United States, California
San Francisco, California, United States, 94111
Sponsors and Collaborators
Study Director: Dan Gebow, PhD MDDX LLC
  More Information

Responsible Party: MDDX LLC Identifier: NCT00932958     History of Changes
Other Study ID Numbers: bigPICTURE
Study First Received: July 5, 2009
Last Updated: December 8, 2012

Keywords provided by MDDX LLC:
Myocardial Infarction

Additional relevant MeSH terms:
Coronary Artery Disease
Myocardial Ischemia
Coronary Disease
Heart Diseases
Cardiovascular Diseases
Arterial Occlusive Diseases
Vascular Diseases processed this record on September 21, 2017