Peptides >Triptorelin (GnRH)

Triptorelin (GnRH)

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1. What is Triptorelin?


2. Triptorelin Structure


3. Triptorelin Research

What is Triptorelin?

Triptorelin is an analogue of gonadotropin-releasing hormone that is employed in clinical practice as part of a comprehensive strategy for androgen deprivation therapy in the treatment of advanced prostate cancer. It functions similarly to luteinizing hormone-releasing hormone and acts as a powerful inhibitor of testosterone and estrogen synthesis when administered continuously over an extended period. In the UK, triptorelin is utilized to suppress the production of testosterone and estrogen in transgender individuals. Additionally, this peptide has been utilized in the management of hormone-receptor positive breast cancer in premenopausal women.

Triptorelin Structure

Sequence: Pyr-His-Trp-Ser-Tyr-D-Trp-Leu-Arg-Pro-Gly
Molecular Formula: C64H82N18O13
Molecular Weight: 1311.473 g/mol
PubChem CID: 25074470
CAS Number: 57773-63-4
Synonyms: Decapeptyl, TRP(6)-LHRH, Trelstar, Triptoreline, Decapeptyl, Gonapeptyl

Triptorelin Research

Triptorelin, an analogue of gonadotropin-releasing hormone (GnRH), has versatile applications in various medical fields, including oncology, fertility preservation, and hormone-related conditions. Here’s an overview of its applications:

  1. Testosterone Management: Triptorelin can stimulate the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) when administered in a pulsatile manner. This effect can lead to increased testosterone levels, making it useful for boosting testosterone in some men when administered with appropriate timing and doses.

  2. Breast Cancer Treatment: Triptorelin has shown promise in breast cancer treatment, particularly in combination with other medications like zoledronic acid or letrozole. It can improve disease control and increase survival rates in premenopausal women with breast cancer, offering an alternative or adjuvant to treatments like tamoxifen.

  3. Prostate Cancer: Triptorelin is a mainstay in the treatment of prostate cancer. It helps reduce tumor growth by lowering testosterone levels. The addition of triptorelin to radiation therapy can maintain efficacy while reducing side effects, enhancing the overall quality of life for patients.

  4. Urinary Tract Symptoms: Triptorelin has been found to relieve lower urinary tract symptoms in men with prostate cancer. It reduces the frequency of severe symptoms, improving the patient’s daily life.

  5. Fertility Preservation: Triptorelin has been used to preserve fertility in young women undergoing chemotherapy, helping to prevent the loss of fertility caused by cancer treatments. It can also delay the onset of early menopause in patients who have undergone chemotherapy.

  6. Endometriosis: Triptorelin can reduce pain and nodule volume in women with endometriosis. It has been considered as a pre-surgical treatment to minimize complications during endometriosis surgery.

  7. Immune Function: Research in rats suggests that triptorelin may have potential benefits for the immune system. It appears to modulate the thymus, which is critical for immune function. Administering triptorelin has been shown to reverse age-related changes in thymic mass, potentially improving immune system performance.

  8. Alzheimer’s Disease: There have been concerns about the impact of androgen deprivation therapy, including triptorelin, on Alzheimer’s disease. While early studies suggested a link, more recent research has indicated that other factors, such as the psychological impact of prostate cancer diagnosis, may play a more significant role in the development of Alzheimer’s disease.

Triptorelin has demonstrated its utility in various medical contexts, from cancer treatment to fertility preservation and immune system modulation. However, its administration must be carefully controlled, as the timing and dosing regimen can lead to different effects, ranging from testosterone stimulation to hormone suppression. Researchers continue to explore the full range of its applications and potential benefits in different patient populations.

Article Author

The above literature was researched, edited and organized by Dr. Logan, M.D. Dr. Logan holds a doctorate degree from Case Western Reserve University School of Medicine and a B.S. in molecular biology.


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