Detailed explanation of the pharmacodynamic mechanism and principle of action of enzalutamide capsules

Enzalutamide, also known as enzalutamide, is a new second-generation androgen receptor inhibitor, mainly used to treat castration-resistant prostate cancer (CRPC) and metastatic hormone-sensitive prostate cancer (mHSPC). As a soft capsule preparation, enzalutamide has good oral absorption, can effectively penetrate the blood-brain barrier, and targets the androgen receptor pathway, which is of great significance for disease control.

Its main mechanism of action is to inhibit multiple links of androgen receptors: including preventing androgens (such as testosterone) from binding to their receptors, inhibiting receptors from entering the nucleus, and blocking the binding of receptors to DNA, thereby effectively interrupting androgen-driven tumor growth signals. Compared with first-generation androgen antagonists, enzalutamide has a stronger affinity for androgen receptors and does not activate the androgen pathway, so it has significant advantages in drug resistance control.

Enzalutamide has shown good therapeutic effects in multiple clinical studies and can prolong progression-free survival and overall survival, reduce the occurrence of bone metastasis-related events, and improve patients' quality of life. Its efficacy does not depend on whether the patient has received chemotherapy, and it is suitable for the treatment of multiple stages of prostate cancer, especially in patients who have failed traditional castration therapy and has shown significant survival benefits.

Despite its remarkable efficacy, enzalutamide may still cause some side effects, such as fatigue, high blood pressure, hot flashes, increased risk of epilepsy, etc., especially in patients who are elderly or have underlying brain diseases. More caution is needed. Therefore, patients should regularly monitor their blood pressure, nervous system and liver function during medication, and adjust the dosage or handle adverse reactions under the guidance of a doctor to ensure the safety and continuity of treatment.

Reference materials:https://www.drugs.com