The Difference Between Enzalutamide (Enzalutamide) and Atapamide

Enzalutamide (Enzalutamide) and apalutamide (Apalutamide) are two oral anti-androgens commonly used to treat prostate cancer. They have some differences in pharmacological effects, indications, side effects, etc. Here's a detailed comparison of the two drugs:

1.Pharmacological effects:

Enzalutamide (enzalutamide) : Enzalutamide (enzalutamide) is a non-stereoselective anti-androgen drug. Its main function is to inhibit the activity of androgen receptor (Androgen Receptor, AR). By competitively binding to AR and preventing the binding of androgens, it inhibits the growth and spread of prostate cancer cells. In addition,enzalutamide (enzalutamide) can also inhibit the synthesis of androgens, reduce their levels in the body, and further inhibit the growth of prostate cancer.

Atapamide: Atapamide is a nonsteroidal antiandrogen drug that acts on the androgen receptor (Androgen Receptor, AR). It binds to androgen receptors, prevents androgen binding, and inhibits the nuclear transport of androgen receptors, thereby inhibiting the growth of prostate cancer cells.

2.Indications:

Enzalutamide : Mainly used to treat advanced prostate cancer, including metastatic and non-metastatic prostate cancer. It is suitable for prostate cancer patients who have already received hormone therapy, as well as patients who have failed to respond to hormone therapy.

Atapamide: For the treatment of asymptomatic or mildly symptomatic patients with non-metastatic refractory prostate cancerPSA levels. It is suitable as a first-line treatment option for patients who have not received chemotherapy.

3.Side effects:

Enzalutamide (enzalutamide) : The most common side effects include fatigue, dizziness, headache, joint pain, muscle pain, etc. Rare but serious side effects may include depression, adverse cardiovascular events, abnormal liver function, etc.

Atapamide: Common side effects include fatigue, dizziness, rash, high blood pressure, joint pain, etc. Possible serious side effects include cardiovascular events, depression, leukopenia, etc.

4.Drug interactions:

Enzalutamide : It may interact with other drugs (such as anticoagulants, anti-epileptic drugs, etc.), and patients need to inform their doctors during use.

Atapamide: It may interact with other drugs (such as anticoagulants, anti-epileptic drugs, etc.), and patients need to inform their doctors during use.

5.Usage plan:

Enzalutamide (enzalutamide) : The usual dosage is 4 tablets taken once daily (total dose 160 mg).

Atapamide: The usual dosage is 1 tablet taken once daily (total dose 240mg).

Although enzalutamide and atapamide are both anti-androgens used to treat prostate cancer, there are some differences in their pharmacological effects, indications, side effects and dosage regimens. When using these two drugs, patients should choose an appropriate treatment plan based on their doctor's advice and pay close attention to possible adverse reactions.