Clinical endocrinology · 2013
Cinacalcet in the management of primary hyperparathyroidism: post marketing experience of an Italian multicentre group.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Saponaro Federica, Faggiano Antongiulio, Grimaldi Franco, Borretta Giorgio, Brandi Maria Luisa, Minisola Salvatore, Frasoldati Andrea, Papini Enrico, Scillitani Alfredo, Banti Chiara, Del Prete Michela, Vescini Fabio, Gianotti Laura, Cavalli Loredana, Romagnoli Elisabetta, Colao Annamaria, Cetani Filomena, Marcocci Claudio
Аннотация
OBJECTIVE: To report the Italian experience on cinacalcet use following its approval by the European Medical Agency (EMA) to control hypercalcaemia in patients with primary hyperparathyroidism (PHPT).
DESIGN: Retrospective data collection from 100 patients with sporadic (sPHPT) and 35 with familial PHPT (fPHPT) followed in eight Italian centres between October 2008 and March 2011.
MEASUREMENTS: Albumin-adjusted serum calcium, PTH, 25OHD, daily cinacalcet dose and adverse events were recorded during the follow-up (1-46 months).
RESULTS: Baseline serum calcium was 2·90 ± 0·27 nmol/l in sPHPT and 2·75 ± 0·17 nmol/l in fPHPT patients (P = 0·007). The cinacalcet EMA labelling was met in 53% sPHPT and 26% fPHPT patients. High surgical risk (34%), negative preoperative imaging (19%), control of hypercalcaemia before parathyroidectomy (PTx) (24%), and refusal of PTx (19%) accounted for cinacalcet prescription in 96% of sPHPT patients. Conversely, initial treatment (34%), persistent/relapsing PHPT after surgery (31%), and refusal of PTx (14%) were the indications in 79% fPHPT patients. Cinacalcet was started at 30 mg/daily in 64% of sPHPT and 91% of fPHPT and increased until normocalcaemia was reached or side effects occurred. The final daily dose ranged between 15 and 120 mg. The majority of patients (65% of sPHPT and 80% of fPHPT) become normocalcaemic. Treatment was withdrawn in six patients because of side effects.
CONCLUSIONS: There is a wide heterogeneity in the prescription of cinacalcet in PHPT patients in Italy and the EMA labelling is not always followed, particularly in fPHPT patients. Cinacalcet effectively reduces serum calcium in patients with either sPHPT or fPHPT.
DESIGN: Retrospective data collection from 100 patients with sporadic (sPHPT) and 35 with familial PHPT (fPHPT) followed in eight Italian centres between October 2008 and March 2011.
MEASUREMENTS: Albumin-adjusted serum calcium, PTH, 25OHD, daily cinacalcet dose and adverse events were recorded during the follow-up (1-46 months).
RESULTS: Baseline serum calcium was 2·90 ± 0·27 nmol/l in sPHPT and 2·75 ± 0·17 nmol/l in fPHPT patients (P = 0·007). The cinacalcet EMA labelling was met in 53% sPHPT and 26% fPHPT patients. High surgical risk (34%), negative preoperative imaging (19%), control of hypercalcaemia before parathyroidectomy (PTx) (24%), and refusal of PTx (19%) accounted for cinacalcet prescription in 96% of sPHPT patients. Conversely, initial treatment (34%), persistent/relapsing PHPT after surgery (31%), and refusal of PTx (14%) were the indications in 79% fPHPT patients. Cinacalcet was started at 30 mg/daily in 64% of sPHPT and 91% of fPHPT and increased until normocalcaemia was reached or side effects occurred. The final daily dose ranged between 15 and 120 mg. The majority of patients (65% of sPHPT and 80% of fPHPT) become normocalcaemic. Treatment was withdrawn in six patients because of side effects.
CONCLUSIONS: There is a wide heterogeneity in the prescription of cinacalcet in PHPT patients in Italy and the EMA labelling is not always followed, particularly in fPHPT patients. Cinacalcet effectively reduces serum calcium in patients with either sPHPT or fPHPT.