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Inicio Revista Española de Medicina Nuclear e Imagen Molecular (English Edition) Cost-effectiveness of using recombinant human thyroid-stimulating hormone before...
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Vol. 36. Issue 6.
Pages 362-370 (November - December 2017)
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Vol. 36. Issue 6.
Pages 362-370 (November - December 2017)
Original Article
Cost-effectiveness of using recombinant human thyroid-stimulating hormone before radioiodine ablation for thyroid cancer treatment in Spanish hospitals
Coste-efectividad de la utilización de la tirotropina recombinante humana previa a la ablación con radioyodo en el tratamiento del cáncer de tiroides en hospitales españoles
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J.A. Vallejoa,
Corresponding author
, M.A. Murosb
a UGC Medicina Nuclear, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía, Universidad de Córdoba, Córdoba, Spain
b UGC Medicina Nuclear, Servicio de Medicina Nuclear, Hospital Virgen de las Nieves, Granada, Spain
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Tables (5)
Table 1. Centers sent the survey.
Table 2. Clinical parameters and utility weights associated with the economic model.
Table 3. Unit costs used in the economic evaluation.
Table 4. Costs applied in both treatment arms (exogenous [rhTSH] and endogenous stimulation [THW]) – Spanish model.
Table 5. Results of the base case and sensitivity analysis in terms of the incremental cost-effectiveness ratio (ICER).
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Abstract
Objectives

In thyroid cancer treatment, the thyroid-stimulating hormone (TSH) must be elevated before radioiodine ablation, either by exogenous (with recombinant human thyrotropin [rhTSH]) or endogenous stimulation by thyroid hormone withdrawal (THW). The use of rhTSH avoids hypothyroidism and favours the subsequent elimination of radioiodine, but involves the cost of the product. For this reason, a cost-effectiveness analysis was performed, taking into account all costs involved and the benefits associated with the use of this therapy.

Material and methods

Using a Markov modelling with two analysis arms (rhTSH and THW), stratified into high (100mCi/3700MBq) and low (30mCi/1110MBq) radioiodine doses, and using 17 weekly cycles, the incremental cost per quality-adjusted life-year (QALY) related to the use of rhTSH was determined. The clinical inputs included in the model were based on published studies and in a treatment survey conducted in Spain.

Results

Radioablation preparation with rhTSH is superior to THW, showing additional benefits (0.048 AVAC), as well as cost savings (−614.16 €), with an incremental cost-effectiveness rate (ICER) of −12,795 €/QALY. The univariate and multivariate sensitivity analyses showed the result to be robust.

Conclusions

The use of rhTSH previous to radioablation in Spain has cost savings, as well as a series of health benefits for the patient, making it highly cost-effective.

Keywords:
Cost-effectiveness
Hypothyroidism
rhTSH
Thyroid cancer
Ablation
Resumen
Objetivos

Previo a la ablación con radioyodo en el tratamiento del cáncer de tiroides, se necesita aumentar los niveles de tirotropina (TSH) mediante estimulación exógena (con tirotropina humana recombinante [rhTSH]) o endógena, retirando la terapia con hormona tiroidea (THW). La utilización de rhTSH evita el hipotiroidismo y favorece la eliminación posterior de radioyodo pero supone un coste del producto. Por tanto, era necesario realizar un análisis de coste-efectividad que tuviera en cuenta todos los costes y los beneficios de la utilización de esta terapia.

Material y métodos

Mediante un modelo de Markov con 2 brazos de análisis (rhTSH y THW), estratificado en dosis altas (100mCi/3.700 MBq) y bajas (30mCi/1.110 MBq) de radioyodo, y utilizando 17 ciclos semanales se determinó el coste incremental por años de vida ajustados por calidad (AVAC) asociados a la utilización de rhTSH. Los parámetros clínicos incluidos en el modelo se basan en estudios publicados y en una encuesta realizada en España.

Resultados

La preparación con rhTSH para la radioablación es superior a la THW, presentando beneficios adicionales (0,048AVAC) a la vez que un ahorro en costes (–614,16€), con un ratio de coste-efectividad incremental (ICER) de –12.795€/AVAC. Los análisis de sensibilidad univariantes y multivariantes demuestran que el resultado es consistente.

Conclusiones

La utilización de rhTSH previa a la radioablación en España supone un ahorro de costes a la vez que una serie de beneficios de salud para el paciente, por lo que es altamente coste-efectiva.

Palabras clave:
Coste-efectividad
Hipotiroidismo
rhTSH
Cáncer de tiroides
Ablación

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