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1.
Brasília; CONITEC; jun. 2022.
No convencional en Portugués | LILACS, ColecionaSUS | ID: biblio-1378051

RESUMEN

CONTEXTO: Mielofibrose é uma neoplasia maligna rara que pode se desenvolver como doença primária, sendo uma doença mieloproliferativa crônica caracterizada pela falha da medula óssea e proliferação clonal de células mieloides associada com excesso de fibras de reticulina e/ou colágeno, e algum grau de atipia no megacariócito. O quadro clínico pode evoluir com esplenomegalia, anemia, sintomas constitucional (fadiga, sudorese noturna, febre), caquexia, dor óssea, infarto esplênico, prurido, trombose e sangramentos. A incidência na União Europeia e EUA é de 0,3 casos por 100.000 habitantes. Não há dados epidemiológicos robustos no Brasil. Ruxolitinibe é um inibidor seletivo das Janus Quinases associadas (JAKs) ­ JAK1 e JAK2. A desregulação da via JAK-STAT tem sido associada a vários tipos de câncer e aumento da proliferação e sobrevida de células malignas. TECNOLOGIA: Ruxolitinibe. PERGUNTA: O uso de ruxolitinibe no tratamento da mielofibrose risco intermediário-2 ou alto (classificação IPSS), em adultos, com contagem plaquetária acima de 100.000/mm3 é eficaz e seguro quando comprado ao


Asunto(s)
Humanos , Quinasas Janus/antagonistas & inhibidores , Mielofibrosis Primaria/tratamiento farmacológico , Sistema Único de Salud , Brasil , Análisis Costo-Beneficio/economía
2.
Brasília; CONITEC; mar. 2022.
No convencional en Portugués | LILACS, BRISA | ID: biblio-1368853

RESUMEN

INTRODUÇÃO: O baricitinbe, um imunomodulador que atua sobre a atividade da IL-6 (citocina pró-inflamatória), pode representar uma estratégia para o tratamento de pacientes com COVID-19 que tiveram comprometimento pulmonar devido a resposta hiperinflamátoria desencadeada pela tempestade de citocinas característica na infecção causada pelo vírus SARS-COV2. TECNOLOGIA: Baricitinibe (Olumiant®). EVIDÊNCIAS CLÍNICAS: Para seleção das evidências clínicas foi conduzida uma revisão sistemática da literatura em busca de ensaios clínicos randomizados (ECR), estudos observacionais (mundo real) e revisões sistemáticas que avaliassem os efeitos do baricitinibe como monoterapia ou associado aos cuidados usuais - definidos aqui como 'terapia padrão' (corticoesteróides sistêmicos, anticoagulantes, antimicrobianos/antivirais) no tratamento de pacientes adultos com COVID-19, hospitalizados e que necessitam de suplementação de oxigênio (máscara ou cateter nasal, alto fluxo de oxigênio ou ventilação não invasiva). As buscas eletrônicas foram realizadas nas bases de dados: the Cochrane Library, MEDLINE via Pubmed, Literatura Latino-Americana e do Caribe em Ciências da Saúde (LILACS), EMBASE e Centre for Reviews and Dissemination (CRD). O risco de viés dos estudos primários incluídos foi avaliado pelas ferramentas Risk of Bias versão 2 da Cochrane (para ECR) ou ROBINS-I (para estudos observacionais), e a qualidade metodológica das revisões sistemáticas foi avaliada pela ferramenta AMSTAR-2. A qualidade da evidência foi avaliada pelo sistema GRADE. Seis artigos foram incluídos na presente revisão, sendo dois deles referentes a um ensaio clínico randomizado (ECR), um estudo observacional e três revisões sistemáticas com meta-análise (RSMA), sendo uma


Asunto(s)
Humanos , Terapia por Inhalación de Oxígeno/instrumentación , Quinasas Janus/antagonistas & inhibidores , Ventilación no Invasiva/instrumentación , SARS-CoV-2/efectos de los fármacos , COVID-19/tratamiento farmacológico , Inmunosupresores/antagonistas & inhibidores , Sistema Único de Salud , Brasil , Análisis Costo-Beneficio/economía , Pacientes Internos
3.
The Korean Journal of Internal Medicine ; : 210-218, 2016.
Artículo en Inglés | WPRIM | ID: wpr-36010

RESUMEN

Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by inflammation and joint destruction that causes significant morbidity and mortality. However, the combined use of methotrexate, a synthetic disease-modifying antirheumatic drug (DMARD), and biologic DMARD has revolutionized treatment of RA. Clinical remission is now realistic targets, achieved by a large proportion of RA patients, and rapid and appropriate induction of remission by intensive treatment with biological DMARD and methotrexate is prerequisite to halt joint damage and functional disabilities. However, biological DMARD is limited to intravenous or subcutaneous uses and orally available small but strong molecules have been developed. Oral administration of tofacitinib targeting the Janus kinase (JAK) is significantly effective than placebo in active patients with methotrexatenaive, inadequately responsive to methotrexate or tumor necrosis factor (TNF)-inhibitors. The efficacy was rapid and as strong as adalimumab, a TNF-inhibitor. Meanwhile, association of tofacitinib on carcinogenicity and malignancy is under debate and further investigation on post-marketing survey would be warranted. On the other hand, discontinuation of a biological DMARD without disease flare is our next goal and desirable from the standpoint of risk reduction and cost effectiveness, especially for patients with clinical remission. Recent reports indicate that more than half of early RA patients could discontinue TNF-targeted biological DMARD without clinical flare and functional impairment after obtaining clinical remission. Contrarily, for established RA, fewer patients sustained remission after the discontinuation of biological DMARD and "deep remission" at the discontinuation was a key factor to keep the treatment holiday of biological DMARD.


Asunto(s)
Humanos , Administración Oral , Antirreumáticos/administración & dosificación , Artritis Reumatoide/diagnóstico , Productos Biológicos/administración & dosificación , Evaluación de la Discapacidad , Esquema de Medicación , Quinasas Janus/antagonistas & inhibidores , Terapia Molecular Dirigida , Valor Predictivo de las Pruebas , Inhibidores de Proteínas Quinasas/administración & dosificación , Recuperación de la Función , Inducción de Remisión , Transducción de Señal/efectos de los fármacos , Resultado del Tratamiento , Factor de Necrosis Tumoral alfa/antagonistas & inhibidores
4.
Gut and Liver ; : 18-27, 2015.
Artículo en Inglés | WPRIM | ID: wpr-61579

RESUMEN

Conventional medical treatment for ulcerative colitis can have limited efficacy or severe adverse reactions requiring additional treatment or colectomy. Hence, different biological agents that target specific immunological pathways are being investigated for treating ulcerative colitis. Anti-tumor necrosis factor (TNF) agents were the first biologics to be used for treating inflammatory bowel disease. For example, infliximab and adalimumab, which are anti-TNF agents, are being used for treating ulcerative colitis. Recently, golimumab, another anti-TNF agent, and vedolizumab, an anti-adhesion therapy, have been approved for ulcerative colitis by the U.S. Food and Drug Administration. In addition, new medications such as tofacitinib, a Janus kinase inhibitor, and etrolizumab, another anti-adhesion therapy, are emerging as therapeutic agents. Therefore, there is a need for further studies to select appropriate patient groups for these biologics and to improve the outcomes of ulcerative colitis treatment through appropriate medical usage.


Asunto(s)
Humanos , Anticuerpos Monoclonales/uso terapéutico , Anticuerpos Monoclonales Humanizados/uso terapéutico , Factores Biológicos/uso terapéutico , Moléculas de Adhesión Celular/antagonistas & inhibidores , Colitis Ulcerosa/tratamiento farmacológico , Quinasas Janus/antagonistas & inhibidores , Piperidinas/uso terapéutico , Pirimidinas/uso terapéutico , Pirroles/uso terapéutico
5.
The Korean Journal of Internal Medicine ; : 656-663, 2014.
Artículo en Inglés | WPRIM | ID: wpr-108335

RESUMEN

BACKGROUND/AIMS: The aim of this study was to assess the efficacy and safety of tofacitinib (5 and 10 mg twice daily) in patients with active rheumatoid arthritis (RA). METHODS: A systematic review of randomized controlled trials (RCTs) that examined the efficacy and safety of tofacitinib in patients with active RA was performed using the Medline, Embase, and Cochrane Controlled Trials Register databases as well as manual searches. RESULTS: Five RCTs, including three phase-II and two phase-III trials involving 1,590 patients, met the inclusion criteria. The three phase-II RCTs included 452 patients with RA (144 patients randomized to 5 mg of tofacitinib twice daily, 156 patients randomized to 10 mg of tofacitinib twice daily, and 152 patients randomized to placebo) who were included in this meta-analysis. The American College of Rheumatology 20% response rate was significantly higher in the tofacitinib 5- and 10-mg groups than in the control group (relative risk [RR], 2.445; 95% confidence interval [CI], 1.229 to 4.861; p = 0.011; and RR, 2.597; 95% CI, 1.514 to 4.455; p = 0.001, respectively). The safety outcomes did not differ between the tofacitinib 5- and 10-mg groups and placebo groups with the exception of infection in the tofacitinib 10-mg group (RR, 2.133; 95% CI, 1.268 to 3.590; p = 0.004). The results of two phase-III trials (1,123 patients) confirmed the findings in the phase-II studies. CONCLUSIONS: Tofacitinib at dosages of 5 and 10 mg twice daily was found to be effective in patients with active RA that inadequately responded to methotrexate or disease-modifying antirheumatic drugs, and showed a manageable safety profile.


Asunto(s)
Humanos , Antirreumáticos/administración & dosificación , Artritis Reumatoide/tratamiento farmacológico , Ensayos Clínicos Fase II como Asunto , Ensayos Clínicos Fase III como Asunto , Quinasas Janus/antagonistas & inhibidores , Metotrexato/uso terapéutico , Piperidinas/administración & dosificación , Inhibidores de Proteínas Quinasas/administración & dosificación , Pirimidinas/administración & dosificación , Pirroles/administración & dosificación , Ensayos Clínicos Controlados Aleatorios como Asunto , Resultado del Tratamiento
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