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Prophylactic Penehyclidine Hydrochloride Inhalation and 3-year Outcome After Surgery

19 de abril de 2022 atualizado por: Dong-Xin Wang, Peking University First Hospital

Impact of Prophylactic Penehyclidine Hydrochloride Inhalation on Long-term Outcome in High-risk Patients: 3-year Follow-up of a Randomized Controlled Trial

Postoperative pulmonary complications (PPCs) are major causes of postoperative morbidity, mortality, and prolonged hospital stay.The incidence of PPCs may be as high as 41% to 75% in high-risk patients. Bronchodilator is frequently used in high-risk patients to prevent PPCs. Penehyclidine is a new anticholinergic agent which selectively block M1 and M3 receptors. A previous randomized controlled trial tested the effect of prophylactic penehyclidine inhalation on the incidence of PPCs in high-risk patients. The purpose of this 3-year follow-up study is to investigate whether prophylactically penehyclidine hydrochloride inhalation can affect the 3-year outcomes of patients recruited in the previous randomized controlled trial.

Visão geral do estudo

Descrição detalhada

Postoperative pulmonary complications (PPCs) are major causes of postoperative morbidity, mortality, and prolonged hospital stay. The incidence of PPCs was found to vary from 2 to 19%, but this rate may be as high as 41 to 75% in patients after intrathoracic and intraabdominal surgery. According to Canet's model, the predicted incidence of PPCs in high-risk patients (ARISCAT risk index ≥45 points) is 42.1%.

Use of effective strategies to prevent PPCs is essential for those high-risk patients. As a bronchodilator, anticholinergic inhalation may be helpful. Studies showed that, in high-risk patients undergoing intrathoracic surgery, airway resistance is increased due to bronchial hyperresponsiveness, which increased the risk of PPCs. Inhalation of anticholinergic bronchodilator can reduce the activity of vagus nerve and relieve high airway resistance, which may decrease the risk of bronchospasm and other PPCs. It has been shown that M1, M3-receptor selective blockers have better effects than β2-receptor activator in dilating bronchia.

Penehyclidine hydrochloride is a new anticholinergic agent, which selectively blocks M1 and M3 receptors. Preclinical studies found that it also has anti-inflammation effects. In a pilot study of the investigators, prophylactic inhalation of penehyclidine decreased the incidence of bronchospasm and the use of aminophylline in elderly patients after long-duration surgery. In a previous randomized controlled trial, 864 high-risk patients were recruited and randomized to receive prophylactic inhalation of either penehyclidine or placebo.

The investigators hypothesize that prophylactically penehyclidine hydrochloride inhalation may improve long-term outcomes in this patient population by reducing PPCs. The purpose of this 3-year follow-up study is to investigate whether prophylactically penehyclidine hydrochloride inhalation can affect the 3-year outcomes in high-risk patients recruited in the previous randomized controlled trial.

Tipo de estudo

Intervencional

Inscrição (Real)

864

Estágio

  • Fase 4

Contactos e Locais

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Locais de estudo

    • Beijing
      • Beijing, Beijing, China, 100034
        • Peking University First Hospital

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 e mais velhos (Adulto, Adulto mais velho)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Tudo

Descrição

Inclusion Criteria:

  1. Age of 50 years or over;
  2. Scheduled to undergo open or laparoscope assisted upper abdominal or intrathoracic surgery;
  3. The expected duration of surgery is 2 hours or longer;
  4. Identified at high risk of PPCs according to the ARISCAT risk score (ARISCAT predictive score ≥45).

Exclusion Criteria:

  1. American Society of Anesthesiologists (ASA) physical classification ≥ IV or the expected survival duration ≤ 24 h;
  2. Preoperative history of prostatic hypertrophy or glaucoma;
  3. History of myocardial infarction, severe heart dysfunction (New York Heart Association functional classification ≥ 3) or tachyarrhythmia within one year;
  4. Inhalation of β2-receptor activator, M-receptor blockers and/or glucocorticoids within one month before surgery;
  5. Severe renal dysfunction (requirement of renal replacement therapy) or severe hepatic dysfunction (Child-Pugh grade C);
  6. History of acute stroke within three months before surgery;
  7. Refuse to participate in the study or unable to cooperate with the inhalation therapy;
  8. Participation in other clinical trial during the last month or within the six half-life periods of the study drug used in the last trial.

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: Penehyclidine group
Penehyclidine inhalation is administered (penehyclidine hydrochloride 0.5 mg/0.5 ml + normal saline 5.5 ml) once every 12 hours from the night before surgery till the second day after surgery. The total number of inhalation is seven times. Study drug inhalation is performed with the high-flow oxygendriven method for the non-intubated patients or with the atomizing inhalation device of ventilator for the intubated patients.
Penehyclidine inhalation is administered by inhalation (penehyclidine hydrochloride 0.5 mg/0.5 ml, mixed with normal saline 5.5 ml) once every 12 hours from the night before surgery till the second day after surgery. The total number of inhalation is seven times. Study drug inhalation is performed with the high-flow oxygen-driven method for the non-intubated patients or with the atomizing inhalation device of ventilator for the intubated patients
Comparador de Placebo: Placebo group
Placebo inhalation is administered by inhalation (water for injection 0.5 ml + normal saline 5.5 ml ) once every 12 hours from the night before surgery till the second day after surgery. The total number of inhalation is seven times. Study drug inhalation will be performed with the high-flow oxygen-driven method for the non-intubated patients or with the atomizing inhalation device of ventilator for the intubated patients.
Placebo inhalation is administered by inhalation (water for injection 0.5 ml, mixed with normal saline 5.5 ml) once every 12 hours from the night before surgery till the second day after surgery. The total number of inhalation is seven times. Study drug inhalation is performed with the high-flow oxygendriven method for the non-intubated patients or with the atomizing inhalation device of ventilator for the intubated patients.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Duration of overall survival within 3 years after surgery
Prazo: From the day of surgery until the end of the 3rd year after surgery
Duration of overall survival within 3 years after surgery
From the day of surgery until the end of the 3rd year after surgery

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Survival rates at different timepoints after surgery
Prazo: At the end of the 1st, 2nd, and 3rd year after surgery
Survival rates at different timepoints after surgery
At the end of the 1st, 2nd, and 3rd year after surgery
Duration of recurrence-free survival within 3 years after surgery
Prazo: From the day of surgery until the end of the 3rd year after surgery
Duration of recurrence-free survival within 3 years after surgery for primary cancer
From the day of surgery until the end of the 3rd year after surgery
Ocurrence of new-onset diseases during the 3-year period after surgery
Prazo: From the day of surgery until the end of the 3rd year after surgery
New-onset diseases indicate those that occurred during the 3-year period after surgery and required medical therapy, such as acute myocardial infarction, stroke, new cancer, etc.
From the day of surgery until the end of the 3rd year after surgery
Cognitive function of 3-year survivors
Prazo: Assessed at the end of the 3rd year after surgery
Cognitive function is assessed with the Telephone Interview for Cognitive Status-Modified (TICS-m)
Assessed at the end of the 3rd year after surgery
The quality of life in 3-year survivors
Prazo: Assessed at the end of the 3rd year after surgery
The quality of life is assessed with the World Health Organization Quality of Life-BREF (WHOQOL-BREF)
Assessed at the end of the 3rd year after surgery
The quality of life in 3-year survivors with chronic pulmonary disease
Prazo: Assessed at the end of the 3rd year after surgery
The quality of life is assessed with the St. George's Respiratory Questionnaire (SGRQ)
Assessed at the end of the 3rd year after surgery

Colaboradores e Investigadores

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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 (Real)

10 de novembro de 2018

Conclusão Primária (Real)

1 de dezembro de 2021

Conclusão do estudo (Real)

1 de dezembro de 2021

Datas de inscrição no estudo

Enviado pela primeira vez

3 de março de 2019

Enviado pela primeira vez que atendeu aos critérios de CQ

7 de março de 2019

Primeira postagem (Real)

11 de março de 2019

Atualizações de registro de estudo

Última Atualização Postada (Real)

20 de abril de 2022

Última atualização enviada que atendeu aos critérios de controle de qualidade

19 de abril de 2022

Última verificação

1 de abril de 2022

Mais Informações

Termos relacionados a este estudo

Plano para dados de participantes individuais (IPD)

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Não

Informações sobre medicamentos e dispositivos, documentos de estudo

Estuda um medicamento regulamentado pela FDA dos EUA

Não

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Não

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Ensaios clínicos em Penehyclidine inhalation

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