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Testosterone

Prescription

Ticari adlar: Testopel

Farmasötik Form
Injection
Uygulama Yolu
SUBCUTANEOUS
Üretici
Endo USA, Inc.

About This Medication

DESCRIPTION TESTOPEL ® (testosterone pellets) are cylindrically shaped pellets 3.2mm (1/8 inch) in diameter and approximately 9mm in length. Each sterile pellet weighs approximately 78mg (75mg testosterone) and is ready for implantation. Androgens are steroids that develop and maintain primary and secondary male sex characteristics. Testosterone is a member of this class. Structural formula for testosterone follows: INGREDIENTS Each TESTOPEL ® (testosterone pellets) for subcutaneous implantation contains 75mg testosterone. In addition each pellet contains the following inactive ingredients: stearic acid NF 0.97mg and polyvinylpyrrolidone USP 2mg. TESTOPEL ® (testosterone pellets) consist of crystalline testosterone. When implanted subcutaneously, the pellets slowly release the hormone for a long acting androgenic effect. this is an image of the chemical structure for testosterone.

Etken Maddeler

Bileşen Güç
Testosterone -

Endikasyonlar ve Kullanım

INDICATIONS AND USAGE MALES Androgens are indicated for replacement therapy in conditions associated with a deficiency or absence of endogenous testosterone. a. Primary hypogonadism (congenital or acquired) - testicular failure due to cryptorchidism, bilateral torsion, orchitis, vanishing testes syndrome; or orchiectomy. b. Hypogonadotropic hypogonadism (congenital or acquired) - gonadotropic LHRH deficiency, or pituitary - hypothalamic injury from tumors, trauma or radiation. If the above conditions occur prior to puberty, androgen replacement therapy will be needed during the adolescent years for development of secondary sex characteristics. Prolonged androgen treatment will be required to maintain sexual characteristics in these and other males who develop testosterone deficiency after puberty. Safety and efficacy of TESTOPEL ® (testosterone pellets) in men with “age-related hypogonadism” (also referred to as “late-onset hypogonadism”) have not been established. c. Androgens may be used to stimulate puberty in carefully selected males with clearly delayed puberty. These patients usually have a familial pattern of delayed puberty that is not secondary to a pathological disorder; puberty is expected to occur spontaneously at a relatively late date. Brief treatment with conservative doses may occasionally be justified in these patients if they do not respond to psychological support. The potential adverse effect on bone maturation should be discussed with the patient and parents prior to androgen administration. An x-ray of the hand and wrist to determine bone age should be taken every 6 months to assess the effect of treatment on epiphyseal centers (see WARNINGS ).

Dozaj ve Uygulama

DOSAGE AND ADMINISTRATION Prior to initiating, TESTOPEL ® (testosterone pellets) confirm the diagnosis of hypogonadism by ensuring that serum testosterone concentrations have been measured in the morning on at least two separate days and that these serum testosterone concentrations are below the normal range. The suggested dosage for androgens varies depending on the age, and diagnosis of the individual patient. Dosage is adjusted according to the patient’s response and the appearance of adverse reactions. The dosage guideline for the testosterone pellets for replacement therapy in androgen-deficient males is 150mg to 450mg subcutaneously every 3 to 6 months. Various dosage regimens have been used to induce pubertal changes in hypogonadal males; some experts have advocated lower doses initially, gradually increasing the dose as puberty progresses, with or without a decrease in maintenance levels. Other experts emphasize that higher dosages are needed to induce pubertal changes and lower dosages can be used for maintenance after puberty. The chronological and skeletal ages must be taken into consideration, both in determining the initial dose and in adjusting the dose. Dosages in delayed puberty generally are in the lower range of that listed above and, for a limited duration, for example 4 to 6 months. The number of pellets to be implanted depends upon the minimal daily requirements of testosterone propionate determined by a gradual reduction of the amount administered parenterally. The usual dosage is as follows: implant two 75mg pellets for each 25mg testosterone propionate required weekly. Thus when a patient requires injections of 75mg per week, it is usually necessary to implant 450mg (6 pellets). With injections of 50mg per week, implantation of 300mg (4 pellets) may suffice for approximately three months. With lower requirements by injection, correspondingly lower amounts may be implanted. It has been found that approximately one-third of the material is absorbed in the first month, one-fourth in the second month and one-sixth in the third month. Adequate effect of the pellets ordinarily continues for three to four months, sometimes as long as six months.

Side Effects Overview

ADVERSE REACTIONS The following adverse reactions have been identified during post-approval use of testosterone replacement therapy, including TESTOPEL ® . Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Implantation Site Infection and Pellet Extrusion: (see WARNINGS) Endocrine and Urogenital, Male. Gynecomastia and excessive frequency and duration of penile erections. Oligospermia may occur at high dosages (see CLINICAL PHARMACOLOGY ). Skin and Appendages. Hirsutism, male pattern of baldness, and acne. Cardiovascular Disorders. Myocardial infarction, stroke. Fluid and Electrolyte Disturbances. Retention of sodium, chloride, water, potassium, calcium and inorganic phosphates. Gastrointestinal. Nausea, cholestatic jaundice, alterations in liver function tests, rarely hepatocellular neoplasms and peliosis hepatis (see WARNINGS ). Hematologic. Suppression of clotting factors II, V, VII, and X, bleeding in patients on concomitant anticoagulant therapy, and polycythemia. Nervous System. Increased or decreased libido, headache, anxiety, depression, and generalized paresthesia. Metabolic. Increased serum cholesterol. Vascular Disorders: Venous thromboembolism (see WARNINGS ). Miscellaneous. Rarely anaphylactoid reactions.

Uyarılar ve Önlemler

Kontrendikasyonlar

Frequently Asked Questions

INDICATIONS AND USAGE MALES Androgens are indicated for replacement therapy in conditions associated with a deficiency or absence of endogenous testosterone. a. Primary hypogonadism (congenital or acquired) - testicular failure due to cryptorchidism, bilateral torsion, orchitis, vanishing testes syndrome; or orchiectomy. b. Hypogonadotropic hypogonadism (congenital or acquired) - gonadotropic LHRH deficiency, or pituitary - hypothalamic injury from tumors, trauma or radiation. If the above conditions occur prior to puberty, androgen replacement therapy will be needed during the adolescent years for …

DOSAGE AND ADMINISTRATION Prior to initiating, TESTOPEL ® (testosterone pellets) confirm the diagnosis of hypogonadism by ensuring that serum testosterone concentrations have been measured in the morning on at least two separate days and that these serum testosterone concentrations are below the normal range. The suggested dosage for androgens varies depending on the age, and diagnosis of the individual patient. Dosage is adjusted according to the patient’s response and the appearance of adverse reactions. The dosage guideline for the testosterone …

WARNINGS In patients with breast cancer, androgen therapy may cause hypercalcemia by stimulating osteolysis. In this case, the drug should be discontinued. Prolonged use of high doses of androgens has been associated with the development of peliosis hepatis and hepatic neoplasms including hepatocellular carcinoma (see PRECAUTIONS - Carcinogenesis, Mutagenesis, Impairment of Fertility). Peliosis hepatis can be a life-threatening or fatal complication. Men treated with androgens may be at an increased risk for the development of prostatic hypertrophy and prostatic carcinoma. …

CONTRAINDICATIONS Androgens are contraindicated in men with carcinomas of the breast or with known or suspected carcinomas of the prostate. If administered to pregnant women, androgens cause virilization of the external genitalia of the female fetus. The virilization includes clitoromegaly, abnormal vaginal development, and fusion of genital folds to form a scrotal-like structure. The degree of masculinization is related to the amount of drug given and the age of the fetus, and is most likely to occur in the female …

Testosterone is a prescription medication. You will need a valid prescription from a licensed healthcare provider.

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References & Data Sources

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Veri kaynakları: DailyMed (NLM), openFDA, MFDS

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This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making medication decisions.

Data sources: ChEMBL, PubChem, DailyMed.