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Paget Disease Innovations | Open Access Journals
Journal of Bioanalysis & Biomedicine

Journal of Bioanalysis & Biomedicine

ISSN: 1948-593X

Open Access

Paget Disease Innovations

Paget's disease of the bone was first described by the English surgeon, Sir James Paget, in 1876. The prevalence varies worldwide but is particularly high in the United Kingdom. The affected bones change in size and shape and the disease can cause considerable morbidity. Until relatively recently, there was no effective treatment. Over the past five years, however, the availability of potent anti-resorption drugs has transformed the outlook for patients with the disease.

This article reviews the epidemiology, clinical features and management of the disease and examines how early recognition and treatment can help reduce the morbidity associated with it.

Several bisphosphonates are currently authorized for use in Paget's disease in the United Kingdom. Bisphosphonates inhibit osteoclastic activity, thereby reducing bone resorption. Oral etidronate was the first bisphosphonate to be approved and was associated with an approximately 50% reduction in disease activity (measured using alkaline phosphatase). One limitation of etidronate was that, at the therapeutic doses necessary to reduce disease activity, some patients had side effects, including impaired bone mineralization.

In the past five years, new, more potent bisphosphonates that are much more effective in reducing disease activity have been licensed in the UK. These include tiludronate, risedronate and intravenous pamidronate. Tiludronate is administered orally at a dose of 400 mg daily for a period of three months. Risedronate is taken by mouth at a dose of 30 mg daily for a period of two months. These two treatments are associated with an approximately 80% reduction in disease activity (Roux et al, 1995; Hosking et al, 1998). Oral bisphosphonates are poorly absorbed and should be taken on an empty stomach, with food being delayed after taking the medication. They should be taken with water in an upright position.

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Citations: 3099

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