Chemotherapy for cancer, due to its gonadotoxicity, can lead to impaired female fertility, resulting in the occurrence of transient or prolonged chemo-induced amenorrhea (CIA). According to recent data from the National Cancer Institute, 11.9% of women under the age of 40 diagnosed with cancer have been offered a fertility evaluation within five years of diagnosis. Predicting the risk and especially the duration of the CIA remains difficult. Known factors predicting a rapid return of menstruation are a young age at diagnosis, a low gonadotoxic treatment (absence of alkylating agents) and a high pre-chemotherapy blood level of AMH reflecting a large pool of growing follicles. A body mass index (BMI) ≥ 25 kg / m² could also be a positive predictor, but this remains debated. The objective of this project is to assess the impact of metabolism and energy reserves, physical activity and the chronotype on the recovery of ovarian function in patients with breast cancer who have developed CIA
Study Type
OBSERVATIONAL
Enrollment
50
Hop Jeanne de Flandre Chu Lille
Lille, France
RECRUITINGConcentration of IL-6 levels at the end of chemotherapy
Study the association between the IL-6 blood levels (in pg/ml) at the end of chemotherapy and the menstrual period return state ( before or after 6 months)
Time frame: 1 year
Correlation between blood metabolic markers (Leptin, Insulin, Ghrelin) and menstrual period return state
Leptin concentration in ng/ml; insulin concentration in mUI/L; ghrelin concentrations in pg/ml
Time frame: 1 year
Correlation between physical activity score at the end of chemotherapy and menstrual period return state
Physical activity score expressed in arbitrary units
Time frame: 1 year
Correlation between chronotype score at the end of chemotherapy and menstrual period return state
chronotype score expressed in arbitrary units
Time frame: 1 year
Correlation between the BMI at the end of chemotherapy and menstrual period return state
weight and height will be combined to report BMI in kg/m2
Time frame: 1 year
Correlation between Blood metabolic markers (Leptin, Insulin, Ghrelin) assessed at 3 months and menstrual period return state
Leptin concentration in ng/ml, Insulin concentration in mUI/L, Ghrelin concentration in pg/ml
Time frame: 9 months
Correlation between the Physical activity Score at 3 months and the menstrual period return state (between 3 to 12 months)
Physical activity score expressed in arbitrary units
Time frame: 9 months
Correlation between the BMI assessed at 3 months and the menstrual period return state (between 3 to 12 months)
weight and height assessed at 3 months will be combined to report BMI in kg/m2
Time frame: 9 months
Evolution of the blood concentration of insulin over the follow-up period (12 months)
insulin concentrations expressed in mUI/L
Time frame: 1 year
Correlation between the Chronotype Score at 3 months and the menstrual period return state (between 3 to 12 months)
chronotype score expressed in arbitrary units
Time frame: 9 months
Evolution of the blood concentration of Leptin over the follow-up period (12 months)
leptin concentrations expressed in ng/ml
Time frame: 1 year
Evolution of the blood concentration of Ghrelin over the follow-up period (12 months)
ghrelin concentrations expressed in pg/ml
Time frame: 1 year
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