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Treatment of HDL to Reduce the Incidence of Vascular Events HPS2-THRIVE (HPS2-THRIVE)

27 de janeiro de 2014 atualizado por: Jane Armitage, University of Oxford

A Randomized Trial of the Long-term Clinical Effects of Raising HDL Cholesterol With Extended Release Niacin/Laropiprant

The primary aim is to assess the effects of raising HDL cholesterol (the good type) with extended release niacin/laropiprant 2g (previously known as MK-0524A) versus matching placebo on the risk of heart attack or coronary death, stroke, or the need for arterial bypass procedures (revascularisation) in people with a history of circulatory problems. The secondary aim is to assess the effects of extended release niacin/laropiprant 2g daily on heart attack, coronary death, stroke, and revascularisation separately and to assess the effects on mortality both overall and in various categories of causes of death, and of the effects on major cardiovascular events in people with a history of different diseases at the beginning of the study.

Visão geral do estudo

Status

Concluído

Condições

Intervenção / Tratamento

Descrição detalhada

Cardiovascular disease is one of the leading causes of morbidity and mortality in the United Kingdom (UK), as well as in the developed and the developing world. Finding new and safe treatments to reduce the burden of heart disease and strokes is therefore an important contribution to public health and in the wider public interest. HPS2-THRIVE aims to find out whether by combining niacin (a drug that has been available for 50 years) with a new drug laropiprant(which reduces the side-effects of niacin) is beneficial. All participants in HPS2-THRIVE will have established cardiovascular disease and therefore be at very high risk of recurrent vascular events (myocardial infarction, stroke or the need for arterial revascularisation). Two of the most important risk factors for recurrent events in such patients are the blood levels of LDL cholesterol with a positive association, and HDL cholesterol levels with a negative association.

HDL cholesterol has long been known to have a strong inverse correlation with coronary heart disease (CHD) risk. But, randomized trial evidence for beneficial effects from raising HDL cholesterol is limited. One of the most effective HDL-raising agents is niacin but the tolerability of niacin has been severely limited by flushing and cutaneous side-effects, which appear to be mediated largely by prostaglandin D. Laropiprant is a selective prostaglandin D receptor antagonist that substantially reduces the frequency and intensity of niacin-induced flushing. Daily oral doses of extended release (ER) niacin plus Laropiprant 2g(formerly MK-0524A) have been well tolerated in early studies and increase HDL cholesterol by 20-25%. The trial will assess whether this increase in HDL cholesterol translates into clinical benefit as is expected from the observational evidence. In addition, all participants will also be provided with effective LDL-lowering therapy, as either simvastatin 40mg daily alone or with ezetimibe 10mg daily in a combination tablet.

The complementary effects on the HDL (good) and LDL (bad) cholesterol produced by extended release niacin/laropiprant 2 g daily and simvastatin 40 mg with or without ezetimibe 10 mg should provide an excellent treatment option for patients with vascular disease. However, no trials so far have demonstrated clearly that raising HDL cholesterol produces the expected reduction in cardiovascular risk. If HPS2-THRIVE is able to demonstrate reliably that raising HDL cholesterol reduces the risk of further cardiovascular events then this will be relevant to hundreds of millions of people worldwide.

Tipo de estudo

Intervencional

Inscrição (Real)

25673

Estágio

  • Fase 3

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Locais de estudo

  • Reino Unido
      • Oxford, Reino Unido, OX3 7LF
        • Clinical Trial Service Unit, University of Oxford

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

50 anos a 80 anos (Adulto, Adulto mais velho)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Tudo

Descrição

Inclusion Criteria:

  • History of myocardial infarction; or
  • Cerebrovascular atherosclerotic disease (history of presumed ischaemic stroke, transient ischaemic attack or carotid revascularisation)
  • Peripheral arterial disease (i.e. intermittent claudication or history of revascularisation); or
  • Diabetes mellitus with any of the above or with other evidence of symptomatic coronary heart disease (i.e. stable or unstable angina, or a history of coronary revascularisation or acute coronary syndrome).

Exclusion Criteria:

  • Age <50 or >80 years at invitation to Screening;
  • Less than 3 months since presentation with acute myocardial infarction, coronary syndrome or stroke (but such patients may be entered later, if appropriate);
  • Planned revascularisation procedure within 3 months after randomization (but such patients may be entered later, if appropriate);
  • Definite history of chronic liver disease, or abnormal liver function (i.e. Alanine transaminase (ALT) >1.5 times upper limit of normal (ULN). (Note: Patients with a history of acute hepatitis are eligible provided this ALT limit is not exceeded);
  • Breathlessness at rest for any reason;
  • Severe renal insufficiency (i.e. creatinine >200 µmol/L);
  • Evidence of active inflammatory muscle disease (e.g. dermatomyositis, polymyositis), or Creatine kinase (CK) >3 times upper limit of normal (3xULN);
  • Previous significant adverse reaction to a statin, ezetimibe, niacin or laropiprant;
  • Active peptic ulcer disease;
  • Concurrent treatment with:
  • fibric acid derivative ("fibrate")
  • niacin (nicotinic acid) at doses more than 100 mg daily
  • ezetimibe in combination with either simvastatin 80 mg, or atorvastatin 20-80 mg, or rosuvastatin 10-40 mg daily
  • any potent cytochrome P450 3A4 (CYP3A4) inhibitor, including: macrolide antibiotics (erythromycin, clarithromycin, telithromycin); systemic use of imidazole or triazole antifungals (e.g. itraconazole, ketoconazole); protease inhibitors (antiretroviral drugs for HIV infection); and nefazodone
  • ciclosporin
  • amiodarone
  • verapamil
  • danazol (Note: Patients who are temporarily taking such drugs may be re-screened when they discontinue them, if considered appropriate.);
  • Known to be poorly compliant with clinic visits or prescribed medication;
  • Medical history that might limit the individual's ability to take trial treatments for the duration of the study (e.g. severe respiratory disease, history of cancer or evidence of spread within last 5 years other than non-melanoma skin cancer, or recent history of alcohol or substance misuse)

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Prevenção
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Quadruplicar

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Experimental: ER niacin/laropiprant
1 g ER niacin plus 20 mg laropiprant per tablet. 2 tablets orally per day. With either 40 mg simvastatin tablet or ezetimibe/simvastatin (10 mg/40 mg) in single tablet taken once daily
Medicamento: ER niacin/laropiprant
Outros nomes:
  • Tredaptivo
Medicamento: simvastatin
40 mg simvastatin tablet orally per day as background LDL-lowering treatment allocated at entry based on previous statin treatment and total cholesterol level
Outros nomes:
  • Zocor
Medicamento: ezetimibe/simvastatin
10 mg ezetimibe plus 40 mg simvastatin in single tablet taken once daily as background LDL-lowering treatment allocated at entry based on previous statin treatment and total cholesterol level
Outros nomes:
  • Vytorin
  • Inegy
Comparador Ativo: Placebo
Placebo (for ER niacin/laropiprant) 2 tablets orally per day. With either 40 mg simvastatin tablet orally per day or ezetimibe/simvastatin (10 mg/40 mg) in single tablet taken once daily
Medicamento: simvastatin
40 mg simvastatin tablet orally per day as background LDL-lowering treatment allocated at entry based on previous statin treatment and total cholesterol level
Outros nomes:
  • Zocor
Medicamento: ezetimibe/simvastatin
10 mg ezetimibe plus 40 mg simvastatin in single tablet taken once daily as background LDL-lowering treatment allocated at entry based on previous statin treatment and total cholesterol level
Outros nomes:
  • Vytorin
  • Inegy

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Major Vascular Event
Prazo: During scheduled treatment period (median duration 3.9 years)
Non-fatal myocardial infarction or coronary death, non-fatal or fatal stroke, or revascularisation
During scheduled treatment period (median duration 3.9 years)

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Major Coronary Events
Prazo: During scheduled treatment period (median duration 3.9 years)
Non-fatal myocardial infarction (MI) or coronary death
During scheduled treatment period (median duration 3.9 years)
Stroke
Prazo: During scheduled treatment period (median duration 3.9 years)
Fatal or non-fatal
During scheduled treatment period (median duration 3.9 years)
Coronary or Non-coronary Revascularisation
Prazo: During scheduled treatment period (median duration 3.9 years)
During scheduled treatment period (median duration 3.9 years)
Mortality
Prazo: During scheduled treatment period (median duration 3.9 years)
All-cause mortality
During scheduled treatment period (median duration 3.9 years)

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Patrocinador

University of Oxford

Colaboradores

Merck Sharp & Dohme LLC

Investigadores

  • Investigador principal: Jane Armitage, Clinical Trial Service Unit, University of Oxford
  • Investigador principal: Colin Baigent, Clinical Trial Service Unit, University of Oxford
  • Investigador principal: Zhengming Chen, Clinical Trial Service Unit, University of Oxford
  • Investigador principal: Martin Landray, Clinical Trial Service Unit, University of Oxford

Publicações e links úteis

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Publicações Gerais

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo

1 de janeiro de 2007

Conclusão Primária (Real)

1 de outubro de 2012

Conclusão do estudo (Real)

1 de outubro de 2012

Datas de inscrição no estudo

Enviado pela primeira vez

17 de abril de 2007

Enviado pela primeira vez que atendeu aos critérios de CQ

17 de abril de 2007

Primeira postagem (Estimativa)

18 de abril de 2007

Atualizações de registro de estudo

Última Atualização Postada (Estimativa)

28 de fevereiro de 2014

Última atualização enviada que atendeu aos critérios de controle de qualidade

27 de janeiro de 2014

Última verificação

1 de janeiro de 2014

Mais Informações

Termos relacionados a este estudo

Palavras-chave

Termos MeSH relevantes adicionais

Outros números de identificação do estudo

  • CTSUTHRIVE1
  • ISRCTN29503772
  • 2006-001885-17 (Número EudraCT)

Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .

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