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Improved treatment of Paget's disease with dimethylaminohydroxypropylidene bisphosphonate
D H Schweitzer1, A H Zwinderman, P Vermeij
1Department of Endocrinology and Metabolic Diseases, University Hospital, Leiden, The Netherlands.
Abstract:
A group of 89 patients with Paget's disease of bone were treated with different intravenous or oral doses of the nitrogen-containing bisphosphonate dimethylaminohydroxypropylidene bisphosphonate (dimethyl-APD). Biochemical remission was obtained in 82% of treatments, and in the rest a clear response was found. Oral dimethyl-APD was well tolerated, and a dose of 200 mg/day for 10 days was sufficient to induce remission in the majority of patients. The remission probability was 3 months for 50% of patients, and the recurrence-free period was 27 months. The remission probability as well as the recurrence-free period did not differ among oral and intravenous treatments or among patients who had never been treated with nitrogen-containing bisphosphonates and those who had received pamidronate in the past and were treated for a recurrence of the disease. Dimethyl-APD is a very effective bisphosphonate devoid of side effects, which given for a short period can induce long-lasting remissions in patients with Paget's disease of bone.
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