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This is a double-blind placebo-controlled randomized clinical trial to test the use of tamoxifen or lidocaine for diminishing the pain and discomfort while performing mammography, intending to include 450 patients distributed between the three groups.
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This is a double-blind placebo-controlled randomized clinical trial to test the use of tamoxifen or lidocaine for diminishing the pain and discomfort while performing mammography, intending to include 450 patients distributed between the three groups.
Inclusion criteria:Patients presenting mastalgia with a prior indication for mammography who is over 40 years old, undergoing their radiological examination at the university hospital of the Federal University of Goias. The only patients who were not included were those who did not wish to participate in the study.
The patients will receive:
Mammography procedures: The mammography at the university hospital was carried out using a high-resolution mammograph with mean compression in each plane of approximately 800 newtons.
All the patients will undergo at least four imaging views: one craniocaudal and one mediolateral oblique plane for each breast. When necessary, complementary imaging will be used, including selective compression, magnification or other methods.
Control variables:
Dependent variables:
The pain will be used to measure according to the linear visual analog pain scale. Discomfort will be recorded into four possible categories according to the patient's opinion: no discomfort, uncomfortable, very uncomfortable or intolerable.
Ethical matters:
This study was approved by the Research Ethics Committee of the university hospital of the Federal University of Goias and it will be conducted in accordance with the ruling principles of the Helsinki Convention.
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450 participants in 3 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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