- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT00716482
Ultrasound Elastography of Breast Lesions (BE1)
Assessment of the Clinical Value of SuperSonic Shear Wave Elastography in the Ultrasonic Evaluation of Breast Lesions
Studieöversikt
Status
Betingelser
Studietyp
Inskrivning (Faktisk)
Kontakter och platser
Studieorter
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Lyon, Frankrike
- Hôpital Privé Jean Mermoz
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Marseille, Frankrike
- University hospital La Timone
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Nice, Frankrike
- Centre Antoine LACASSAGNE
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Paris, Frankrike
- Institut Curie
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California
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Los Angeles, California, Förenta staterna, 90033
- University of Southern California - LAC+USC Medical Center, OPD Rm 3P61
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Colorado
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Denver, Colorado, Förenta staterna, 80206
- Sally Jobe Breast Center
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Connecticut
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New Haven, Connecticut, Förenta staterna, 06510
- Yale Medical Center, Department of Diagnostic Radiology
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Illinois
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Chicago, Illinois, Förenta staterna, 60611
- Northwestern Memorial Hospital, Dept. of Radiology
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Massachusetts
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Boston, Massachusetts, Förenta staterna, 02118
- Boston Medical Center, Radiology
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Pennsylvania
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Philadelphia, Pennsylvania, Förenta staterna, 19107
- Thomas Jefferson Medical Center, Department of Radiology
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Gorizia, Italien
- Ospedale Civile di Gorizia
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London, Storbritannien
- Charings Cross Hospital
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Greifswald, Tyskland
- University Hospital, Frauenklinik
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Kiel, Tyskland
- University Hospital Schleswig-Holstein
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Osnabrück, Tyskland
- Marienhospital, Klinik für Radiologie
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Wiesbaden, Tyskland
- German Diagnostic Clinic
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Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Testmetod
Studera befolkning
Beskrivning
Inclusion Criteria:
- patients who have been referred to a breast ultrasound because of a positive physical palpation and/or positive mammograms and/or positive ultrasound and/or positive MRI.
- female
- age 21 or older
- provide informed consent
Exclusion Criteria:
- Women who are unwilling or unable to provide informed consent
- Women with breast implants
- Women with superficial lesions or lesions on skin (with the most superficial surface of the lesion within 5 mm of the skin surface)
- Women who are pregnant or breastfeeding
- Women who are undergoing chemotherapy or radiotherapy for any cancer
- Women with previous breast conserving surgery on the breast of interest Note: Previous excision of a benign lesion 4 cm or more away from the suspected lesion does not constitute an exclusion criterion.
Studieplan
Hur är studien utformad?
Designdetaljer
- Observationsmodeller: Endast fall
- Tidsperspektiv: Tvärsnitt
Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
---|---|---|
Estimates of Effect of Selectively Upgrading BIRADS Category 3 and Downgrading BIRADS 4a Masses Based on SWE Features. Overall Specificity and Sensitivity of BI-RADS Score Using Conventional B-mode Ultrasound vs. B-mode + Certain SWE Characteristics
Tidsram: 2 years
|
Positive reference standard = malignant cytologic or histopathologic result. Negative reference standard = BIRADS 2 lesions, BIRADS 3 lesions with benign histopathology, or a 1 year follow-up ultrasound exam showing resolved or decreased lesion size. Conservative strategy:features of E-homogeneity, E-max and E-color were used to upgrade BIRADS 3 lesions to BIRADS 4a' or downgrade BIRADS 4a lesions to BIRADS 3'. Aggressive strategy used the same features but upgraded and downgraded more lesions. Based on 939 lesions. |
2 years
|
Sekundära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
---|---|---|
Qualitative Intraobserver Reproducibility of SWE Related to Homogeneity Feature
Tidsram: performed on the same day, within 2 years from study start date
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614 benign and 144 malignant breast lesions were scanned in SWE 3 consecutive times, and the similarity of the 3 images was evaluated by the investigator.
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performed on the same day, within 2 years from study start date
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Intraobserver Reliability of Quantitative SWE Measurements
Tidsram: performed on the same day, within 2 years from study start date
|
614 benign and 144 malignant lesions.
Each category's measurement (diameter, area, etc..) is performed 3 times.
These 3 measurements are then compared with each other in order to calculate the interclass correlation coefficient.
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performed on the same day, within 2 years from study start date
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Interobserver Agreement of B Mode Ultrasound and SWE Features
Tidsram: performed on the same day, after study completion
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614 benign and 144 malignant breast masses.
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performed on the same day, after study completion
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Samarbetspartners och utredare
Sponsor
Utredare
- Huvudutredare: David O Cosgrove, MD, Hammersmith Hospitals NHS Trust
Publikationer och användbara länkar
Allmänna publikationer
- Cosgrove DO, Berg WA, Dore CJ, Skyba DM, Henry JP, Gay J, Cohen-Bacrie C; BE1 Study Group. Shear wave elastography for breast masses is highly reproducible. Eur Radiol. 2012 May;22(5):1023-32. doi: 10.1007/s00330-011-2340-y. Epub 2011 Dec 31.
- Berg WA, Cosgrove DO, Dore CJ, Schafer FK, Svensson WE, Hooley RJ, Ohlinger R, Mendelson EB, Balu-Maestro C, Locatelli M, Tourasse C, Cavanaugh BC, Juhan V, Stavros AT, Tardivon A, Gay J, Henry JP, Cohen-Bacrie C; BE1 Investigators. Shear-wave elastography improves the specificity of breast US: the BE1 multinational study of 939 masses. Radiology. 2012 Feb;262(2):435-49. doi: 10.1148/radiol.11110640.
Studieavstämningsdatum
Studera stora datum
Studiestart
Primärt slutförande (Faktisk)
Avslutad studie (Faktisk)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Uppskatta)
Uppdateringar av studier
Senaste uppdatering publicerad (Uppskatta)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Ytterligare relevanta MeSH-villkor
Andra studie-ID-nummer
- A00152-53
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