Suprellin

Suprellin Uses, Dosage, Side Effects, Food Interaction and all others data.

Suprellin is a gonadotropin releasing hormone (GnRH) agonist that acts as a potent inhibitor of gonadotropin when administered as an implant that delivers continuous therapeutic doses. Following an initial stimulatory phase with increased circulating levels of luteinizing hormone (LH) and follicle-stimulating hormone (FSH), leading to a transient increase in concentration of gonadal steroids (testosterone and dihydrotestosterone in males), continuous administration of histrelin acetate results in decreased levels of LH and FSH due to a reversible down-regulation of the GnRH receptors in the pituitary gland and desensitization of the pituitary gonadotropes.

As the product Supprelin LA (FDA), histrelin is indicated for the treatment of children with central precocious puberty (CPP). As the product Vantas (FDA), histrelin is indicated for the palliative treatment of advanced prostate cancer.

Long-term treatment with histrelin acetate suppresses the LH response to GnRH causing LH levels to decrease to prepubertal levels within 1 month of treatment. As a result, serum concentrations of sex steroids (estrogen or testosterone) also decrease. In the treatment of Central Precocious Puberty, this is relevant as secondary sexual development ceases to progress in most patients. Additionally, linear growth velocity is slowed which improves the chance of attaining predicted adult height.

Trade Name Suprellin
Availability Prescription only
Generic Histrelin
Histrelin Other Names Histrelin, histrelina, histreline, histrelinum
Related Drugs Triptodur, Supprelin LA, estradiol, tamoxifen, Premarin, Lupron, Xtandi, leuprolide, Casodex, Zytiga
Type
Formula C70H94N18O16
Weight Average: 1443.632
Monoisotopic: 1442.709519019
Protein binding

For the product Vantas, the fraction of drug unbound in plasma measured in vitro was 29.5% ± 8.9% (mean ± SD).

Groups Approved
Therapeutic Class
Manufacturer
Available Country
Last Updated: September 19, 2023 at 7:00 am
Suprellin
Suprellin

Uses

Suprellin is a GnRH agonist found in subcutaneous implants used for the treatment of pediatric patients with central precocious puberty and the palliative treatment of advanced prostate cancer.

As the product Supprelin LA (FDA), histrelin is indicated for the treatment of children with central precocious puberty (CPP). As the product Vantas (FDA), histrelin is indicated for the palliative treatment of advanced prostate cancer.

Suprellin is also used to associated treatment for these conditions: Advanced Prostate Cancer, Central Precocious Puberty (CPP)

How Suprellin works

Suprellin is a gonadotropin releasing hormone (GnRH) agonist that acts as a potent inhibitor of gonadotropin when administered as an implant that delivers continuous therapeutic doses. Following an initial stimulatory phase with increased circulating levels of luteinizing hormone (LH) and follicle-stimulating hormone (FSH), leading to a transient increase in concentration of gonadal steroids (testosterone and dihydrotestosterone in males), continuous administration of histrelin acetate results in decreased levels of LH and FSH due to a reversible down-regulation of the GnRH receptors in the pituitary gland and desensitization of the pituitary gonadotropes.

Food Interaction

No interactions found.

Volume of Distribution

The apparent volume of distribution of histrelin following a subcutaneous bolus dose of histrelin as the product Vantas (500 mcg) in healthy volunteers was 58.4 ± 7.86 L

Elimination Route

Following subcutaneous insertion of one histrelin implant as the product Vantas in advanced prostate cancer patients (n = 17), peak serum concentrations of 1.10 ± 0.375 ng/mL (mean ± SD) occurred at a median of 12 hours. Continuous subcutaneous release was evident, as serum levels were sustained throughout the 52 week dosing period (see Figure 1). The mean serum histrelin concentration at the end of the 52 week treatment duration was 0.13 ± 0.065 ng/mL.

Clearance

The apparent clearance following a 50 mg (as histrelin acetate) Vantas implant in 17 prostate cancer patients was 174 mL/min.

Innovators Monograph

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