Letrozole

Letrozole is a potent non-steroidal aromatase inhibitor used primarily in the treatment of hormone receptor-positive breast cancer in postmenopausal women. It works by reducing estrogen production in the body, thereby slowing or stopping the growth of certain types of breast tumors.

**Properties**:
– Highly selective and effective in inhibiting aromatase.
– Stable under normal storage conditions.

**Applications**:
1. **Oncology**: Used as a first-line treatment for hormone-sensitive breast cancer.
2. **Fertility Treatment**: Sometimes prescribed to induce ovulation in women with infertility issues.

**Effects**:
– Reduces estrogen levels, slowing tumor growth in breast cancer patients.
– Increases ovulation rates in women undergoing fertility treatment.