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Breast CancerNCT00467727

Visibility of Lesion Characteristics With Phase Contrast Mammography

A study testing Phase Contrast Mammography in people with Breast Cancer, run by UNC Lineberger Comprehensive Cancer Center at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

To determine if diagnostic phase contrast mammography (PCM) will provide improved image detail in assessing lesion characteristics when compared to diagnostic x-ray mammography (XM). Read more about this study

Who is it for?
Ages 40 years and older, women only
Conditions the study is for
Breast Cancer
What is being tested?
Phase Contrast Mammography
Could I receive a placebo?
No, everyone receives an active treatment
How many people
53 participants
Where
1 siteUnited States
Study dates
Apr 2007to Sep 2008
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 years and older
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • At least 40 years old
  • Female
  • Scheduled for diagnostic work-up including compression/magnification views of screening detected breast lesion

Who cannot join

  • < age 40
  • Male
  • No screening detected findings
  • Breast implants
  • Any women who is pregnant or has reason to believe she is pregnant or lactating
  • Women with breasts larger than the 24 x 30 cm receptor

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Carolina Center for Clinical Trials, University of North Carolina

    Chapel Hill, North Carolina, 27599

Other trials in United States

About this study

Official title: Lesion Characteristics' Visibility With Phase Contrast Mammography in Comparison to X-Ray Mammography for Women Undergoing X-Ray Diagnostic Mammography

To determine if diagnostic phase contrast mammography (PCM) will provide improved image detail in assessing lesion characteristics when compared to diagnostic x-ray mammography (XM).

Read the detailed description

The ability to detect lesions in mammography before they can be felt is the benefit of using this imaging modality for screening of breast cancer. Screening mammography has been proven to decrease mortality from breast cancer. Radiologists identify abnormal breast tissue in the form of microcalcifications, masses, architectural distortion, and asymmetric density by careful assessment of the characteristics of these types of lesions using the Breast Imaging Reporting and Diagnostic System (BIRADS). BIRADS was developed to provide standardization of reporting of mammographic exams. In screening mammography, while it is possible to detect lesions, often more detailed diagnostic imaging is necessary to improve the visibility of margins and edges of lesions through magnification and compression views of the lesion of interest due to spatial resolution limitations which causes geometric blurring of edges in x-ray mammography.

If the ability to clearly see margins and edges of lesions is possible at screening mammography, this would potentially decrease the overall radiation exposure currently needed to allow radiologists to be confident of their characterizations for the majority of patients using x-ray mammography. Digital mammography was developed to improve the visibility of lesions primarily in dense breasts. The reasoning was that the improved contrast range would allow for wider range of gray level differentiation but with digital mammography comes a spatial resolution limitation that blurred edges of lesions. Phase contrast mammography (PCM) was developed to improve digital mammography by providing improvement in sharpness of edges utilizing the x-ray properties of refraction.

Comparison: Phase Contrast Mammography to X-Ray Mammography for Lesion Visibility of Diagnostic Population

Conditions
Breast Cancer
Being tested
Phase Contrast Mammography
Keywords
Diagnostic Mammography, Breast Imaging, Phase Contrast Mammography, X-Ray Mammography
Medical subject headings
Breast Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Phase Contrast MammographyOther

    Standard and magnification views

Study groups in NCT00467727
Study groupRoleWhat they receive
1ExperimentalPhase Contrast Mammography Exam
Receives: Other: Phase Contrast Mammography

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Measure: Lesion Visibility Comparison of Phase Contrast Mammography with X-Ray Mammography.

    Measured: 12 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted1 May 2007 (estimated)
  2. Study startApr 2007
  3. Primary completionMar 2008
  4. Study completionSep 2008

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Diagnosis
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
53 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00467727
Sponsor's protocol ID
LCCC0702
Status last verified
Apr 2012
First submitted
29 Apr 2007
Last updated
1 May 2012
Results posted
No
Data monitoring committee
Yes

Publications

  • Tabar L, Yen MF, Vitak B, Chen HH, Smith RA, Duffy SW. Mammography service screening and mortality in breast cancer patients: 20-year follow-up before and after introduction of screening. Lancet. 2003 Apr 26;361(9367):1405-10. doi: 10.1016/S0140-6736(03)13143-1.

    PubMed 12727392
  • Tanaka T, Honda C, Matsuo S, Noma K, Oohara H, Nitta N, Ota S, Tsuchiya K, Sakashita Y, Yamada A, Yamasaki M, Furukawa A, Takahashi M, Murata K. The first trial of phase contrast imaging for digital full-field mammography using a practical molybdenum x-ray tube. Invest Radiol. 2005 Jul;40(7):385-96. doi: 10.1097/01.rli.0000165575.43381.48.

    PubMed 15973129
  • Pisano ED, Cole EB, Major S, Zong S, Hemminger BM, Muller KE, Johnston RE, Walsh R, Conant E, Fajardo LL, Feig SA, Nishikawa RM, Yaffe MJ, Williams MB, Aylward SR. Radiologists' preferences for digital mammographic display. The International Digital Mammography Development Group. Radiology. 2000 Sep;216(3):820-30. doi: 10.1148/radiology.216.3.r00se48820.

    PubMed 10966717

Questions about this trial

What is this clinical trial studying?

A study testing Phase Contrast Mammography in people with Breast Cancer, run by UNC Lineberger Comprehensive Cancer Center at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 1 May 2012. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Measure: Lesion Visibility Comparison of Phase Contrast Mammography with X-Ray Mammography. (time frame: 12 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00467727, which also lists 3 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 1 May 2012.

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