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1.
J. bras. nefrol ; 38(3): 313-319, July-Sept. 2016. tab, graf
Article Dans Anglais | LILACS | ID: lil-796193

Résumé

Abstract Introduction: Secondary hyperparathyroidism (SHPT) is a consequence of chronic kidney disease. The treatment at the Brazilian Unified Heath System (SUS) is performed with calcitriol, a drug which favors hypercalcemia and/or hyperphosphatemia, hindering the control of SHPT. Another option is paricalcitol, which causes parathormone (PTH) suppression faster than calcitriol, with minor changes in calcium-phosphorus product and calcium and phosphorus serum levels. Objective: This study aims to develop a cost-effectiveness analysis of paricalcitol versus calcitriol for patients in dialytic treatment with SHPT, from the SUS perspective. Methods: A Markov decision model was developed for patients ≥ 50 years old with end stage renal disease in dialytic treatment and SHPT. Quarterly cycles and a lifetime time horizon were considered. Life years (LY) gained were assessed as clinical outcome. Clinical and economic inputs were obtained from systematic literature review and official databases. Costs are presented in Brazilian real (BRL), for the year 2014. Results: In the base case: paricalcitol generated a clinical benefit of 16.28 LY gained versus 14.11 LY gained with calcitriol, total costs of BRL 131,064 and BRL 114,262, respectively, determining an incremental cost-effectiveness ratio of BRL 7,740 per LY gained. The data robustness was confirmed by the sensitivity analysis. Conclusions: According to cost-effectiveness threshold recommended by the World Health Organization for 2013, the treatment of SHPT in patients on dialysis with paricalcitol is cost-effective when compared to calcitriol, from the public healthcare system perspective, in Brazil.


Resumo Introdução: O hiperparatireoidismo secundário (HPTS) é uma consequência da doença renal crônica. O tratamento no SUS é realizado com calcitriol, que favorece a hipercalcemia e/ou hiperfosfatemia, dificultando o controle do HPTS. Uma opção clinicamente relevante é o paricalcitol, que ocasiona a supressão do paratormônio (PTH) de forma mais rápida que o calcitriol e com menores alterações nas taxas séricas de cálcio, fósforo e do produto cálcio-fósforo. Objetivo: Este trabalho tem como objetivo desenvolver uma análise de custo-efetividade de paricalcitol versus calcitriol para pacientes em diálise com HPTS, perspectiva do SUS. Métodos: Foi desenvolvido um modelo de decisão de Markov para a população ≥ 50 anos, com DRC em diálise e HPTS. Foram considerados ciclos trimestrais e um horizonte temporal lifetime. O desfecho clínico avaliado foram os anos de vida ganhos. Dados foram obtidos a partir de revisão sistemática da literatura e bases de dados oficiais. Custos em reais (R$), ano de 2014. Resultados: No caso base: paricalcitol gerou benefício clínico de 16,28 anos de vida ganhos versus 14,11 anos de vida ganhos com calcitriol, custos totais de R$ 131.064 e R$ 114.262, respectivamente. A razão de custo-efetividade incremental de R$ 7.740 por ano de vida salvo. Dados robustos confirmados pela análise de sensibilidade. Conclusão: De acordo com o limiar de custo-efetividade recomendado pela Organização Mundial de Saúde para o ano de 2013, o tratamento de pacientes com HPTS em diálise com paricalcitol é custo-efetivo, comparado ao calcitriol, perspectiva SUS.


Sujets)
Humains , Mâle , Femelle , Adulte d'âge moyen , Calcitriol/économie , Calcitriol/usage thérapeutique , Analyse coût-bénéfice , Agents de maintien de la densité osseuse/économie , Agents de maintien de la densité osseuse/usage thérapeutique , Brésil , Ergocalciférol/économie , Ergocalciférol/usage thérapeutique , Dialyse rénale , Prestations des soins de santé , Hyperparathyroïdie secondaire/économie , Hyperparathyroïdie secondaire/traitement médicamenteux
2.
Rev. salud pública ; 13(5): 804-813, oct. 2011. ilus, tab
Article Dans Anglais | LILACS | ID: lil-625646

Résumé

Objective Hypocalcaemia is a frequently arising complication following total thyroidectomy. Routine postoperative prophylactic administration of vitamin D or metabolites and calcium reduce the incidence of symptomatic hypocalcaemia; this article reports evaluating its cost-effectiveness in Colombia. Methods Meta-analysis was used for comparing the administration of vitamin D or metabolites to oral calcium or no treatment at all in patients following total thyroidectomy and a cost-effectiveness analysis was designed based on a decision-tree model with local costs. Results The OR value for the comparison between calcitriol and calcium compared to no treatment and to exclusive calcium treatment groups was 0.32 (0.13-0.79 95 %CI) and 0.31 (0.14-0.70 95 %CI), respectively. The most cost-effective strategy was vitamin D or metabolites and calcium administration, having a US $0.05 incremental cost-effectiveness ratio. Conclusion Prophylactic treatment of hypocalcaemia with vitamin D or metabolites + calcium or calcium alone is a cost-effective strategy.


Objetivos La hipo calcemia es la complicación más frecuente después de tiroidectomía. La administración profiláctica de vitamina D o metabolitos y calcio reduce la incidencia de hipocalcémia sintomática. Se evalúa su costo-efectividad en Colombia. Materiales y métodos Utilizamos la información de un meta-análisis que comparó la administración de vitamina D o metabolitos contra calcio no tratamiento en pacientes llevados a tiroidectomía total y diseñamos un análisis de costo-efectividad basados en un modelos de decisiones con costos locales. Resultados El valor del OR para la comparación entre calcitriol y calcio comparado con no tratamiento o calcio exclusivo fue de 0.32 (95 % IC, 0.13- 0.79) y 0.31 (95 % IC, 0.14-0.70), respectivamente. La estrategia más costo-efectiva fue la administración de vitamina D o metabolitos y calcio, con una relación de costo-efectividad incremental de US $0.05. Conclusiones El tratamiento profiláctico de la hipo calcemia con vitamina D o metabolitos y calcio o calcio exclusivo después de tiroidectomía total es una estrategia costo-efectiva.


Sujets)
Humains , Calcitriol/usage thérapeutique , Carbonate de calcium/usage thérapeutique , Gluconate de calcium/usage thérapeutique , Hypocalcémie/prévention et contrôle , Soins postopératoires/économie , Complications postopératoires/prévention et contrôle , Thyroïdectomie , Calcitriol/administration et posologie , Calcitriol/économie , Carbonate de calcium/administration et posologie , Carbonate de calcium/économie , Gluconate de calcium/administration et posologie , Gluconate de calcium/économie , Calcium/sang , Colombie , Analyse coût-bénéfice , Arbres de décision , Coûts des médicaments , Urgences/économie , Hypocalcémie/économie , Hypocalcémie/épidémiologie , Hypocalcémie/étiologie , Durée du séjour/économie , Durée du séjour/statistiques et données numériques , Complications postopératoires/traitement médicamenteux , Complications postopératoires/étiologie , Probabilité , Tétanie/épidémiologie , Tétanie/étiologie , Tétanie/prévention et contrôle
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