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Revista Española de Medicina Nuclear e Imagen Molecular (English Edition) Cost-effectiveness of using recombinant human thyroid-stimulating hormone before...
Journal Information
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.
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Table 2. Clinical parameters and utility weights associated with the economic model.
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Table 3. Unit costs used in the economic evaluation.
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Table 4. Costs applied in both treatment arms (exogenous [rhTSH] and endogenous stimulation [THW]) – Spanish model.
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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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