Results: 6

Investigation of teratogenic effects of letrozole on fetal bone development

Int. j. morphol; 40 (4), 2022
SUMMARY: Letrozole is mainly used for the treatment of unexplained infertility, breast cancer and polycystic ovarian syndrome, with secondary use in ovarian stimulation. In cases of unexpected or unknown pregnancy during the use of letrozole, letrozole may cause a teratogenic effect on the fetus. In this...

Atualizações na terapêutica farmacológica para infertilidade na mulher diagnosticada com síndrome de ovários policísticos: revisão de literatura

Femina; 49 (10), 2021
Objetivo: Abordar atualizações referentes à terapia medicamentosa para indução da ovulação nas mulheres diagnosticadas com síndrome dos ovários policísticos (SOP). Métodos: Revisão de literatura por meio de levantamento bibliográfico do período de 1975 a 2021, nas bases eletrônicas PubMed,...

The morphology of paca (Cuniculus paca) testis with high dose of letrozole an aromatase inhibitor

Int. j. morphol; 38 (6), 2020
SUMMARY: The study reported the influence of the high and acute dose of Letrozole on the testis morphology in paca (Cuniculus paca), an aromatase inhibitor that reduces the endogenous estrogen, the essential hormone for spermatogenesis. Morphological changes were observed in seminiferous epithelium with ...

Changes of tyrosine phosphorylation in liver and kidney of polycystic ovarian rats induced by letrozole

Int. j. morphol; 38 (4), 2020
Letrozole (Letro) is a drug commonly used for breast cancer treatment since it can decrease estrogen level. In experimental animal, the Letro has been used to induce the polycystic ovarian syndrome (PCOS) model. Tyrosine phosphorylation (TyrPho) is an essential process in various biological functions bot...

The use of aromatase inhibitors in boys with short stature: what to know before prescribing?

ABSTRACT Aromatase is a cytochrome P450 enzyme (CYP19A1 isoform) able to catalyze the conversion of androgens to estrogens. The aromatase gene mutations highlighted the action of estrogen as one of the main regulators of bone maturation and closure of bone plate. The use of aromatase inhibitors (AI) in b...

Trombocitopenia inducida por tamoxifeno y letrozol
Thrombocytopenia induced by tamoxifen and letrozole

El tamoxifeno y el letrozol son fármacos muy utilizados en el tratamiento del cáncer de mama. Está descrito que la trombocitopenia (recuento plaquetario inferior a 100.000/mm3) es un efecto secundario raro tras el tratamiento con tamoxifeno. Sin embargo, no es un efecto adverso conocido del letrozol. ...