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- Title
Incidence of serious side effects with intravenous bisphosphonate: a clinical audit.
- Authors
Powell, D.; Bowler, C.; Roberts, T.; Garton, M.; Matthews, C.; Mccall, I.; Davie, M.
- Abstract
Background: Bisphosphonates (BP) have been associated with osteonecrosis of the jaw (ONJ) and atypical femoral fractures (AFF). The prevalence of these side effects in intravenous (IV) BP-treated subjects is not well understood.Aim: This audit aimed to delineate the prevalence of ONJ, thigh pain and AFF in patients having regular IV BP and its effect on bone mineral density (BMD).Design and Methods: Patients attending for IV BP over a 3-month period completed a questionnaire about thigh pain and dental health. Data concerning BMD, treatment indication and treatment history were obtained from medical records.Results: There were 201 patients between 28 and 94 years (74.1% female) mostly on zoledronate (ZOL) (102) or pamidronate (PAM) (97). Osteoporosis (75.6%) and Paget’s disease (16.5%) were the main indications for treatment; median length of IV BP was 4 years (range 0.25–25). One patient had ONJ (0.5%) while oral pain was reported by 6.5% and 12.7% noted tooth loosening. Twenty-seven subjects (13.4%) complained of current thigh pain. AFF occurred in four patients (2%), none of whom had idiopathic osteoporosis. At time of AFF, only one patient had a femoral neck T-score less than −2.5. All four had received pamidronate treatment; median 12.5 years (range 7–22). IV BP treatment significantly increased lumbar spine BMD but not femoral neck BMD.Conclusions: Classical ONJ was rare (0.5%), although tooth loss was more frequent. Thigh pain was frequent while AFF occurred in 2.0% of subjects and was associated with long treatment periods and non-osteoporotic bone.
- Subjects
OSTEONECROSIS; DRUG side effects; DIPHOSPHONATES; INTRAVENOUS therapy; TREATMENT of fractures; DISODIUM pamidronate; QUESTIONNAIRES
- Publication
QJM: An International Journal of Medicine, 2012, Vol 105, Issue 10, p965
- ISSN
1460-2725
- Publication type
Article
- DOI
10.1093/qjmed/hcs112