Evolution of delivery systems for testosterone administration
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Abstract
Hypogonadism, especially in aging men, is being identified and treated more frequently. Androgen replacement therapy began in the 1930s, and oral and intramuscular testosterone preparations were the primary products until the 1980s. Because of toxicity with oral medications and serum levels outside the normal range with injectable preparations, alternative approaches have been developed. Outside the United States, many patients receive oral testosterone undecanoate, which requires multiple doses per day and produces inconsistent serum levels. Transdermal preparations, both patches and gels, provide excellent serum levels and safety, although patches may cause skin irritation. Implantable pellets and buccal tablets provide additional choices for androgen replacement. Testosterone gel provides excellent patient tolerability and efficacy with somewhat higher costs and low potential for transfer to contacts.
Keywords
Testosterone Testosterone Replacement Therapy Testosterone Enanthate Testosterone Undecanoate Buccal TabletPreview
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