Androxy
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Questions & Answers
Side Effects & Adverse Reactions
This drug has not been shown to be safe and effective for the enhancement of athletic performance. Because of the potential risk of serious adverse health effects, this drug should not be used for such purpose.
In patients with breast cancer and in immobilized patients, androgen therapy may cause hypercalcemia by stimulating osteolysis. In patients with cancer, hypercalcemia may indicate progression of bony metastasis. If hypercalcemia occurs, the drug should be discontinued and appropriate measures instituted.
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). Peliosis hepatis can be a life-threatening or fatal complication.
Cholestatic hepatitis and jaundice occur with 17-alpha-alkylated androgens at a relatively low dose. If cholestatic hepatitis with jaundice appears or if liver function tests become abnormal, the androgen should be discontinued and the etiology should be determined. Drug-induced jaundice is reversible when the medication is discontinued.
Geriatric patients treated with androgens may be at an increased risk for the development of prostatic hypertrophy and prostatic carcinoma.
Due to sodium and water retention, edema with or without congestive heart failure may be a serious complication in patients with preexisting cardiac, renal, or hepatic disease. In addition to discontinuation of the drug, diuretic therapy may be required. If the administration of fluoxymesterone is restarted, a lower dosage should be used.
Gynecomastia frequently develops and occasionally persists in patients being treated for hypogonadism.
Androgen therapy should be used cautiously in healthy males with delayed puberty. The effect on bone maturation should be monitored by assessing bone age of the wrist and hand every six months. In children, androgen treatment may accelerate bone maturation without producing compensatory gain in linear growth. This adverse effect may result in compromised adult stature. The younger the child the greater the risk of compromising final mature height.
Legal Issues
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
Manufacturer Warnings
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
ANDROXY™ Tablets are indicated for replacement therapy in conditions associated with a deficiency or absence of endogenous testosterone.
Testicular failure due to cryptorchidism, bilateral torsion, orchitis, vanishing testis syndrome, or orchidectomy.
Idiopathic gonadotropin or luteinizing hormone-releasing hormone (LHRH) deficiency, or pituitary-hypothalamic injury from tumors, trauma, or radiation. (Appropriate adrenal cortical and thyroid hormone replacement therapy are still necessary, however, and are actually of primary importance.)
If the above conditions occur prior to puberty, androgen replacement therapy will be needed during the adolescent years for development of secondary sexual characteristics. Prolonged androgen treatment will be required to maintain sexual characteristics in these and other males who develop testosterone deficiency after puberty.
ANDROXY™ (Fluoxymesterone Tablets, USP) 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 obtained every six months to assess the effect of treatment on the epiphyseal centers (see WARNINGS).
ANDROXY™ (Fluoxymesterone Tablets, USP) may be used secondarily in women with advancing inoperable metastatic (skeletal) mammary cancer who are one to five years postmenopausal. Primary goals of therapy in these women include ablation of the ovaries. Other methods of counteracting estrogen activity are adrenalectomy, hypophysectomy, and/or antiestrogen therapy. This treatment has been used in premenopausal women with breast cancer who have benefited from oophorectomy and are considered to have a hormone-responsive tumor. Judgment concerning androgen therapy should be made by an oncologist with expertise in this field.
History
There is currently no drug history available for this drug.
Other Information
ANDROXY™ (Fluoxymesterone Tablets, USP) contains fluoxymesterone, a synthetic androgen. The androgens are steroids that develop and maintain primary and secondary male sex characteristics. Androgens are derivatives of cyclopentano-perhydrophenanthrene. Endogenous androgens are C-19 steroids with a side chain at C-17, and with two angular methyl groups. Testosterone is the primary endogenous androgen. Fluoxymesterone is a synthetic derivative of testosterone.
In their active form, all drugs in the class have a 17-beta-hydroxy group. 17-alpha-alkylation and halogenation at position 9 (fluoxymesterone) increase the pharmacologic activity per unit weight compared to testosterone when given orally. Fluoxymesterone is a white or practically white odorless, crystalline powder, melting at about 240°C with some decomposition. It is practically insoluble in water, sparingly soluble in alcohol and slightly soluble in chloroform. Chemically fluoxymesterone is designated 9-fluoro-11β, 17β-dihydroxy-17-methylandrost-4-en-3-one. Structurally it may be represented as follows:
ANDROXY™ (Fluoxymesterone Tablets, USP) for oral administration contains 10 mg of fluoxymesterone USP.
Inactive Ingredients: croscarmellose sodium, D&C Yellow #10 Aluminum Lake, FD&C Blue #1 Aluminum Lake, FD&C Yellow #6 Aluminum Lake, anhydrous lactose, magnesium stearate, microcrystalline cellulose, pregelatinized starch (corn), and sodium lauryl sulfate.
Sources
Androxy Manufacturers
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Upsher-smith Laboratories Inc.
![Androxy (Fluoxymesterone) Tablet [Upsher-smith Laboratories Inc.]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Androxy | Upsher-smith Laboratories Inc.
ANDROXY™ (Fluoxymesterone Tablets, USP), for oral administration, may be given as a single daily dose or in divided doses. Dosage and duration of therapy will depend on age, sex, diagnosis, patient's response to treatment, and appearance of adverse effects. The following recommendations will serve as a guide to therapy with ANDROXY™ Tablets.
In males with delayed pubertyVarious dosage regimens have been used, some call for lower dosages initially with gradual increases as puberty progresses, with or without a decrease to maintenance levels. Other regimens call for higher dosage to induce pubertal changes and lower dosage 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. Dosage is within the range of 2.5 to 20 mg daily, although generally in the lower range of 2.5 to 10 mg daily, and for a limited duration, for example 4 to 6 months. X-rays should be taken at appropriate intervals to determine the amount of bone maturation and skeletal development (see INDICATIONS AND USAGE, and WARNINGS).
Male hypogonadismAs replacement therapy, i.e., for eunuchism, a daily dose of 5 to 20 mg is suggested. It is usually preferable to start therapy at a higher level within the range (e.g., 10 mg), with subsequent adjustment as required.
Palliation of inoperable mammary cancer in womenA daily dose of 10 to 40 mg, given in divided doses, is recommended. To determine if there will be an objective response, treatment should be continued for three months or more. Patients must be followed closely because androgen therapy occasionally appears to accelerate the disease. Thus, many experts prefer to use a shorter acting androgen preparation, such as ANDROXY™ Tablets, rather than those with prolonged activity, particularly during the early stages of androgen therapy.
In palliation of advanced mammary carcinomaHormone therapy is adjunctive to and not a replacement for conventional therapy. Duration of therapy will depend on the response of the condition and the appearance of adverse reactions.
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