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Vol. 56. Issue S1.
Puesta al día en hiperparatiroidismo primario
Pages 29-34 (April 2009)
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Vol. 56. Issue S1.
Puesta al día en hiperparatiroidismo primario
Pages 29-34 (April 2009)
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Tratamiento médico del hiperparatiroidismo primario: papel de los calcimiméticos
Medical treatment of primary hyperparathyroidism: role of calcimimetics
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Manuel Muñoz Torres
Corresponding author
mmt@ssash.com

Correspondencia: Dr. M. Muñoz Torres. Servicio de Endocrinología y Nutrición. Hospital Universitario San Cecilio. Avda. Dr. Oloriz, 16. 18012 Granada. España.
, Antonia García Martín
Unidad de Metabolismo Óseo. Servicio de Endocrinología y Nutrición. RETICEF. Hospital Universitario San Cecilio. Granada. España
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El hiperparatiroidismo primario (HP) es un proceso endocrinológico frecuente, caracterizado por elevación crónica de las concentraciones séricas de calcio y parathormona (PTH). La paratiroidectomía es la única intervención efectiva que cura la enfermedad. Sin embargo, hay pocas alternativas válidas de tratamiento médico para los pacientes a los que no se cura con el tratamiento quirúrgico, tienen contraindicaciones para la cirugía o rechazan la intervención. El descubrimiento de los receptores sensibles al calcio (CaRS), que regulan la secreción de PTH en función de las concentraciones de calcio extracelular, ha permitido diseñar fármacos antiparatiroideos específicos denominados calcimiméticos. Cinacalcet es un modulador alostérico de los CaRS que ha demostrado eficacia y seguridad para controlar los valores séricos de calcio y reducir los valores de PTH en pacientes con HP. El papel preciso de los calcimiméticos en el tratamiento global del HP es prometedor y debe considerarse en futuras guías de práctica clínica.

Palabras clave:
Hiperparatiroidismo primario
Receptores sensibles al calcio
Calcimiméticos
Cinacalcet

Primary hyperparathyroidism (PHPT) is a common endocrinological process, characterized by chronic elevation of serum concentrations of calcium and parathyroid hormone (PTH). The only intervention able to cure the disease is parathyroidectomy. However, there are few valid medical alternatives for patients whose PHPT is unresolved by surgery, or in those with contraindications for surgery or who refuse the procedure.

The discovery of calcium-sensing receptors (CaSRs), which regulate PTH secretion according to extracellular calcium concentrations, has allowed specific anti-parathyroid drugs called calcimimetics to be designed. Cinacalcet is an allosteric modulator of CaSR that has demonstrated safety and efficacy in controlling serum calcium values and in reducing PTH levels in patients with PHPT. The exact role of calcimimetics in the overall management of PHPT is promising and should be considered in future clinical practice guidelines.

Key words:
Primary hyperparathyroidism
Calciumsensing receptors
Calcimimetics
Cinacalcet
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Copyright © 2009. Sociedad Española de Endocrinología y Nutrición
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