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Objective: Early pregnancy loss is a common complication of pregnancy. Research has demonstrated the efficacy of Mifepristone pre-treatment followed by Misoprostol for the induction of an early pregnancy loss (EPL). North York General Hospital (NYGH) provides an all-in-one Early Pregnancy Assessment Clinic (EPAC) to streamline the care of women with an EPL.
View Article and Find Full Text PDFA Proof-of-Concept Study of Ulipristal Acetate for Early Medication Abortion.
NEJM Evid
January 2025
Gynuity Health Projects, New York.
Background: The current regimen for early medication abortion in many countries is mifepristone and misoprostol, but mifepristone is relatively expensive and limited in many regions. Ulipristal acetate, with a similar chemical profile, might be an alternative. This proof-of-concept study evaluated ulipristal acetate and misoprostol for medication abortion through 63 days of gestation.
View Article and Find Full Text PDFSteroid hormone receptors, exome sequencing and treatment responsiveness of breast cancer patient-derived xenografts originated in a South American country.
Sci Rep
January 2025
Laboratory of Hormonal Carcinogenesis, IBYME-CONICET, Ciudad Autónoma de Buenos Aires (CABA), V. Obligado 2490, C1428ADN, Buenos Aires, Argentina.
Breast cancer (BC) patient-derived xenografts (PDX) are relevant models for precision medicine. However, there are no collections derived from South American BC patients. Since ethnicity significantly impacts clinical outcomes, it is necessary to develop PDX models from different lineages.
View Article and Find Full Text PDFReactivation of latent HIV-1 by the glucocorticoid receptor modulator AZD9567.
J Virol
January 2025
Institute for Medical Virology and Epidemiology of Viral Diseases, University Hospital Tübingen, Tübingen, Germany.
One key determinant of HIV-1 latency reversal is the activation of the viral long terminal repeat (LTR) by cellular transcription factors such as NF-κB and AP-1. Interestingly, the activity of these two transcription factors can be modulated by glucocorticoid receptors (GRs). Furthermore, the HIV-1 genome contains multiple binding sites for GRs.
View Article and Find Full Text PDFSelective progesterone receptor modulators for the treatment of dysmenorrhea: an update.
Expert Opin Pharmacother
January 2025
Department of Obstetrics and Gynecology, University of Florence, Careggi University Hospital, Florence, Italy.
Introduction: Dysmenorrhea is a painful symptom associated with uterine contractions and menstrual bleeding and is treated by administering analgesic drugs. Since progesterone receptors (PRs) have a major role in regulating uterine tissues (myometrium and endometrium) physiology, oral contraceptives are used off-label for treating primary or secondary dysmenorrhea. The development of selective progesterone receptor modulators (SPRMs), a class of synthetic steroids with agonistic, antagonistic, or mixed effects in targeting PRs in different tissues, stimulated their possible clinical use for treating secondary dysmenorrhea related to uterine diseases (endometriosis, adenomyosis, uterine fibroids).
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