Longitudinal evaluation of dehydroepiandrosterone (DHEA), its sulfated form and estradiol with cancer-related cognitive impairment in early-stage breast cancer patients receiving chemotherapy.

In a subgroup of patients whose estradiol levels were available (n = 161), their mean levels in pM exhibited a decreasing trend followed by a small increase [T1: 191.90 ± 232.18, T2: 94.74 ± 116.64, T3: 98.21 ± 150.91, p < 0.001] with significant difference found at T2-T1 and T3-T1, although the mean estradiol level at the end of chemotherapy was still 2 times less than the baseline value.

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