Lefamulin Post-Market Surveillance Study
A Multicenter, Single-arm, Real-world Study to Evaluate the Safety and Efficacy of Lefamulin in Patients With Community-acquired Pneumonia
Community-acquired pneumonia (CAP) refers to infectious parenchymal lung inflammation acquired outside hospital settings. In China, its incidence is 7.13 per 1000 person-years, with over 10 million new cases annually. Elderly CAP patients carry a higher mortality risk. The predominant pathogens of CAP in China are Mycoplasma pneumoniae and Streptococcus pneumoniae, followed by Haemophilus influenzae, Staphylococcus aureus and other pathogens.
Commonly used antibacterial agents include macrolides, penicillins, cephalosporins, respiratory quinolones and tetracyclines. Nevertheless, drug resistance is prevalent nationwide. Specifically, the resistance rate of Mycoplasma pneumoniae to macrolides ranges from 54.9% to 71.7%, while that of Streptococcus pneumoniae reaches as high as 77.2% to 93.8%. Therefore, novel antibacterial agents covering common pathogens with low cross-resistance are urgently needed.
Lefamulin is the first systemic pleuromutilin antibacterial agent for human use. It binds to the peptidyl transferase center of bacterial 50S ribosomal subunit via dual A/P sites to inhibit bacterial protein synthesis. It features low cross-resistance and low potential to induce drug resistance, and exerts broad-spectrum antibacterial activity against common typical and atypical pathogens (including multi-drug resistant strains) causing CAP.
Multiple Phase III randomized controlled trials have verified that lefamulin achieves favorable early clinical response (ECR) and investigator-assessed clinical response (IACR) in CAP patients, providing solid evidence-based support for its clinical application. As a safer and more effective therapeutic option for CAP, lefamulin has been recommended by domestic and international clinical guidelines and expert consensus.
This study aims to evaluate the safety and efficacy of lefamulin in real-world clinical treatment among Chinese patients with CAP.
Visão geral do estudo
Status
Status
Condições
Condições
Intervenção / Tratamento
Intervenção / Tratamento
Tipo de estudo
Tipo de estudo
Inscrição (Estimado)
Inscrição
Contactos e Locais
Locais de estudo
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Beijing Municipality
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Beijing, Beijing Municipality, China, 100029
- Recrutamento
- China-Japan Friendship Hospital
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Contato:
- Bin Cao
- Número de telefone: 861084205566
- E-mail: caobin_ben@163.com
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Critérios de participação
Critérios de elegibilidade
Critérios de elegibilidade
Idades elegíveis para estudo
- Filho
- Adulto
- Adulto mais velho
Aceita Voluntários Saudáveis
Método de amostragem
População do estudo
Descrição
Inclusion Criteria:
- Signed informed consent form
- Clinical diagnosis of community-acquired pneumonia (CAP) by treating physicians
- Currently receiving lefamulin treatment or prescribed and agreed to initiate lefamulin therapy as determined by the treating physician
Exclusion Criteria:
- Patients with contraindications to lefamulin according to the approved prescribing information (e.g., known hypersensitivity to lefamulin or pleuromutilin class antibiotics)
- Pulmonary infiltrates caused by non-infectious factors (e.g., pulmonary embolism, aspiration chemical pneumonitis, hypersensitivity pneumonitis, congestive heart failure, bronchial obstruction, lung cancer, cystic fibrosis)
- Confirmed or suspected empyema via chest X-ray or CT examination
- Participation in any other ongoing interventional clinical trial
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
O que o estudo está medindo?
Medidas de resultados primários
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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To evaluate the safety of lefamulin in the real-world treatment of patients with CAP
Prazo: Visit 1 (Day 1: baseline, date of initial lefamulin administration) through Visit 4 (Days 27-33 post-administration)
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Treatment-emergent adverse events (TEAEs) will be collected from medical records, patient interviews, and laboratory findings. Events will be coded using MedDRA (or CTCAE v5.0 where applicable), and assessed for severity, seriousness, and causality to lefamulin by the investigator. Data will be summarized as: Number and percentage of participants with any TEAE, drug-related TEAE, serious adverse events (SAEs), and TEAEs leading to treatment discontinuation. Incidence by severity (mild, moderate, severe), system organ class, and preferred term. |
Visit 1 (Day 1: baseline, date of initial lefamulin administration) through Visit 4 (Days 27-33 post-administration)
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Medidas de resultados secundários
Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
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Proportion of participants achieving Early Clinical Response (ECR).
Prazo: Visit 2 (Days 4-6 after lefamulin administration)
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Early Clinical Response (ECR) is assessed at Visit 2 as the proportion of participants with improvement in at least two of the four cardinal symptoms of CAP (cough, sputum production, dyspnea, chest pain) without worsening of any symptom. Data will be summarized as number and percentage of participants achieving ECR in the intention-to-treat (ITT) population, with 95% confidence intervals. |
Visit 2 (Days 4-6 after lefamulin administration)
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Proportion of participants achieving Investigator-Assessed Clinical Response (IACR) at Test-of-Cure (TOC)
Prazo: Visit 3 (within 2 days after end of treatment) and Visit 4 (5-10 days post-TOC, retrospective assessment)
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Investigator-Assessed Clinical Response (IACR) is defined as complete or partial resolution of signs and symptoms of community-acquired pneumonia. Assessments will be performed at end of treatment (Visit 3) and 5-10 days after TOC (Visit 4, retrospective). Data will be summarized as the number and percentage of participants achieving IACR at each time point in the clinically evaluable and modified ITT populations, with 95% confidence intervals. |
Visit 3 (within 2 days after end of treatment) and Visit 4 (5-10 days post-TOC, retrospective assessment)
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Health outcomes including hospital readmission/re-visit rate and change in EQ-5D-5L score
Prazo: Up to Visit 4 (Days 27-33 after lefamulin administration)
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This measure includes: Rate of all-cause hospital readmission or pneumonia-related re-visit within 30 days. Change in health-related quality of life as measured by the EQ-5D-5L questionnaire from baseline (Visit 1) to Visit 4. EQ-5D-5L will be scored using the standard index value (0-1 scale, where 1 = full health). Data will be summarized as: Number and percentage of participants with hospital readmission/re-visit. Mean change in EQ-5D-5L index score from baseline, with standard deviation. |
Up to Visit 4 (Days 27-33 after lefamulin administration)
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Colaboradores e Investigadores
Patrocinador
Patrocinador
Colaboradores
Colaboradores
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
Início do estudo
Conclusão Primária (Estimado)
Conclusão Primária
Conclusão do estudo (Estimado)
Conclusão do estudo
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Real)
Primeira postagem
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última Atualização Postada
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Última verificação
Mais Informações
Termos relacionados a este estudo
Palavras-chave
Termos MeSH relevantes adicionais
Outros números de identificação do estudo
Outros números de identificação do estudo
- MPCN-LEF-2025-001
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