Publications by authors named "Mariella Tejada"

Article Synopsis
  • This study analyzed changes in treatment patterns for Japanese patients with resectable gastric cancer from 2008 to 2022, focusing on adjuvant and recurrent therapy.
  • In the adjuvant cohort, the use of S-1 decreased as new regimens were adopted, with S-1 making up 65% of treatments by 2019-2022, compared to 95.7% earlier.
  • The recurrent cohort showed common first-line treatments like paclitaxel plus ramucirumab and S-1 combinations, aligning with Japanese Gastric Cancer Association guidelines.
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Purpose: Diffuse optical tomography breast imaging system (DOTBIS) non-invasively measures tissue concentration of hemoglobin, which is a potential biomarker of short-term response to neoadjuvant chemotherapy. We evaluated whether DOTBIS-derived measurements are modifiable with targeted therapies, including AKT inhibition and endocrine therapy.

Methods: We conducted a proof of principle study in seven postmenopausal women with stage I-III breast cancer who were enrolled in pre-surgical studies of the AKT inhibitor MK-2206 (n = 4) or the aromatase inhibitors exemestane (n = 2) and letrozole (n = 1).

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Background: The purpose of this study is to evaluate whether the changes in optically derived parameters acquired with a diffuse optical tomography breast imager system (DOTBIS) in the contralateral non-tumor-bearing breast in patients administered neoadjuvant chemotherapy (NAC) for breast cancer are associated with pathologic complete response (pCR).

Methods: In this retrospective evaluation of 105 patients with stage II-III breast cancer, oxy-hemoglobin (ctOHb) from the contralateral non-tumor-bearing breast was collected and analyzed at different time points during NAC. The earliest monitoring imaging time point was after 2-3 weeks receiving taxane.

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Purpose: This study's primary objective was to evaluate the changes in optically derived parameters acquired with a diffuse optical tomography breast imaging system (DOTBIS) in the tumor volume of patients with breast carcinoma receiving neoadjuvant chemotherapy (NAC).

Experimental Design: In this analysis of 105 patients with stage II-III breast cancer, normalized mean values of total hemoglobin ([Formula: see text]), oxyhemoglobin ([Formula: see text]), deoxy-hemoglobin concentration ([Formula: see text]), water, and oxygen saturation ([Formula: see text]) percentages were collected at different timepoints during NAC and compared with baseline measurements. This report compared changes in these optical biomarkers measured in patients who did not achieve a pathologic complete response (non-pCR) and those with a pCR.

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