The Effects of Per3, Clock Polymorphism on Sleep and Associated Symptoms in Breast Cancer Patients Under Chemotherapy.
In this study, the investigators are going to examine the effect of genetic polymorphism on
sleep, anxiety, depression and other cancer-related symptoms in patients with breast cancer
who have started chemotherapy after surgery. No intervention was intended and blood sample
was taken with other routine laboratory tests.
Observational Model: Cohort, Time Perspective: Prospective
Changes from Baseline Sleep Impairment at 1 Month After Chemotherapy
Sleep impairment will be evaluated by questionnaires before chemotherapy. The evaluation will be followed 1 month, 3 months after starting chemotherapy. The final evaluation will be done 1 month after completion of the chemotherapy.
baseline, 1 month, 3 months, 1 month after chemotherpy completion
Bong-Jin Hahm, MD, PhD
Seoul National University Hospital
Korea: Institutional Review Board