Trelstar Uses

If a man's prostate cancer has advanced to Stage IV, the use of Trelstar may be recommended. This hormonal medication helps slow down the spread of the cancer and ease symptoms such as frequent urination, weak urine flow, and painful urination. This medication is approved for use in adult men only, but it is sometimes prescribed "off-label" for the treatment of endometriosis and other conditions.

What Is Trelstar Used For?

Trelstar® (triptorelin pamoate) is a prescription medication approved for use in advanced prostate cancer. It belongs to a group of drugs called gonadotropin-releasing hormone (GnRH) agonists.
Like other GnRH agonists, Trelstar slows the growth of prostate cancer cells and reduces prostate cancer symptoms. It is given as an intramuscular, or IM, injection (an injection into the muscle) every one, three, or six months.
Prostate cancer is the second most common type of cancer in men in the United States. It is mostly a slow-growing cancer. However, some types grow and spread quickly. The cancer cells may spread to the bone, bladder, rectum, lymph nodes, or other areas of the body. Prostate cancer that has spread is called metastatic prostate cancer. It may also be referred to as advanced, or Stage IV, prostate cancer.
Early stages of prostate cancer may not cause any symptoms at all. However, symptoms are common once the disease has progressed. Symptoms of advanced prostate cancer may include:
  • Frequent urination, especially at night
  • An inability to urinate
  • Weak urine flow
  • Pain or burning during urination
  • Difficulty having or maintaining an erection (impotence)
  • Blood in the urine or semen
  • Bone pain.
The treatment for prostate cancer will vary, depending on a number of factors, including the man's age, individual preference, and overall health, as well as how far the disease has progressed.
Treatment for advanced prostate cancer may include radiation and hormone treatment (see Prostate Cancer Treatment by Stage or Metastatic Prostate Cancer Treatment for more information). The goal of treatment at this stage is to slow further growth and spread of the cancer and ease symptoms, such as pain and difficulty urinating. This is sometimes called palliative treatment.
Trelstar is a type of hormonal prostate cancer treatment. It may slow the progression of the disease and ease symptoms, but it is not a prostate cancer cure.
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Trelstar Medication Information

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