Letourneau J

ORCID: 0000-0001-9966-5851 · 2 papers in corpus

observational 2025

Breast Cancer Is Increased in Women With Primary Ovarian Insufficiency

The Journal of clinical endocrinology and metabolism ·doi:10.1210/clinem/dgae480

CONTEXT: DNA damage/repair gene variants are associated with both primary ovarian insufficiency (POI) and cancer risk. OBJECTIVE: We hypothesized that a subset of women with POI and family members would have increased risk for cancer. DES…

rct 2021

Concomitant tamoxifen or letrozole for optimal oocyte yield during fertility preservation for breast cancer: the TAmoxifen or Letrozole in Estrogen Sensitive tumors (TALES) randomized clinical trial

Journal of assisted reproduction and genetics ·doi:10.1007/s10815-021-02273-3

PURPOSE: To determine whether concomitant tamoxifen 20 mg with gonadotropins (tamoxifen-gonadotropin) versus letrozole 5 mg with gonadotropins (letrozole-gonadotropin) affects mature oocyte yield. METHODS: Open-label, single-institution, r…