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Our objective in this pilot study will be to identify PA parameters that can distinguish benign vs. malignant lesions, and also, if PA parameters change with within breast tumors during chemotherapy treatment over time.
This study will investigate photoacoustic tissue characteristics of breast lesions both at diagnosis, and within a separate subgroup of patients, physiological changes in breast tumors during neoadjuvant chemotherapy (NAC). Our objective in this pilot study will be to identify PA parameters that can distinguish benign vs. malignant lesions, and also, if PA parameters change with within breast tumors during chemotherapy treatment over time. Our hope is to use this information to correlate with pathological response.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Neoadjuvant Chemotherapy Monitoring | The first arm Neoadjuvant Chemotherapy Monitoring will investigate changes of measured photoacoustic markers and compare to these to histopathological indicators of breast tumor response to NAC. Changes in photoacoustic parameters will be made to a pre-treatment point over the course of treatment. Treatment will not be modified on the basis of our observations. in this pilot observational study |
| |
| Breast Mass Characterization | The second arm Breast Mass Characterization will investigate if breast masses (benign vs. malignant) can be characterized during clinical diagnostic work-up. Differences in the photoacoustic tissue-properties will be compared to histopathological evaluation. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Photoacoustics Imaging System | Device | Characterizing breast masses for photoacoustic markers measurements |
|
| Measure | Description | Time Frame |
|---|---|---|
| Treatment response correlation between photoacoustic parameters and histopathological measurement. | The primary study endpoint will investigate changes of measured photoacoustic markers and compare to these to histopathological indicators of breast tumor response to NAC. Changes in photoacoustic parameters (hemoglobin concentration, oxygen saturation, tumor structure) will be made to a pre-treatment point over the course of treatment. Treatment will not be modified on the basis of our observations in this pilot observational study. | 4 to 8 months |
| Measure | Description | Time Frame |
|---|---|---|
| Breast mass characterization | The secondary study endpoint will investigate if breast masses (benign vs. malignant) can be characterized by PA during clinical diagnostic work-up. Differences in the photoacoustic tissue-properties will be compared to histopathological evaluation. No diagnostic information from PA measurements will be used for patient-care/diagnosis as a result of our observations in this pilot observational study |
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Cohort 1 - Neoadjuvant Chemotherapy Monitoring:
Inclusion Criteria:
Exclusion Criteria:
Cohort 2 - Breast Mass Characterization:
Inclusion Criteria:
Exclusion Criteria:
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Cohort 1 - Neoadjuvant Chemotherapy Monitoring:
Men and women with either a biopsy confirmed diagnosis of breast cancer and receiving neoadjuvant chemotherapy.
Cohort 2 - Breast Mass Characterization:
Men and women suspected of having a mammary, benign or malignant mass and are schedule to undergo diagnostic and clinical work-up.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Gregory J Czarnota, PhD, MD | Contact | (416) 480-6128 | gregory.czarnota@sunnybrook.ca |
| Name | Affiliation | Role |
|---|---|---|
| Gregory J Czarnota, PhD, MD | Sunnybrook Health Sciences Centre | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Sunnybrook Health Sciences Centre | Recruiting | Toronto | Ontario | M4N3M5 | Canada |
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| ID | Term |
|---|---|
| D001943 | Breast Neoplasms |
| ID | Term |
|---|---|
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D001941 | Breast Diseases |
| D012871 | Skin Diseases |
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| 30 days |
| D017437 |
| Skin and Connective Tissue Diseases |