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Trilaciclibe vs Placebo em Pacientes com Câncer de Pulmão de Pequenas Células em Estágio Extensivo (ES-SCLC) Recebendo Topotecano

1 de outubro de 2026 atualizado por: Pharmacosmos A/S

Um estudo randomizado, duplo-cego, controlado por placebo de trilaciclibe versus placebo em pacientes com câncer de pulmão de pequenas células em estágio extenso (ES-SCLC) recebendo quimioterapia com topotecano

This is a multicenter, randomized, double-blind, placebo-controlled study to assess whether trilaciclib administered prior to topotecan is non-inferior to placebo administered prior to topotecan with regard to overall survival.

Visão geral do estudo

Descrição detalhada

The study will include 3 study phases: Screening Phase, Treatment Phase, and Survival Follow-up Phase. Patients randomized in this study will receive trilaciclib/placebo + topotecan 1.5 mg/m2 until disease progression, unacceptable toxicity, withdrawal of consent, Investigator decision to discontinue treatment, or the end of the trial, whichever comes first.

Trilaciclib was approved by the United States (US) Food and Drug Administration (FDA) as a treatment to decrease the incidence of chemotherapy-induced myelosuppression in adult patients when administered prior to a platinum/etoposide-containing regimen or topotecan-containing regimen for ES-SCLC. As a post-marketing requirement, the FDA asked the Sponsor to conduct a study in patients with ES-SCLC undergoing chemotherapy to evaluate survival and disease progression following trilaciclib administration in patients treated with a platinum/etoposide-containing regimen or topotecan-containing regimen with at least 2 years of follow-up. This study is designed to fulfill this requirement.

Tipo de estudo

Intervencional

Inscrição (Estimado)

302

Estágio

  • Fase 4

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

      • Seville, Espanha
        • 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

18 anos e mais velhos (Adulto, Adulto mais velho)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Tudo

Descrição

Inclusion Criteria:

  1. ES-SCLC with confirmed diagnosis of SCLC by histology or cytology
  2. Progression during or after prior first or second line chemotherapy. First-line regimen must have been a platinum-containing combination.
  3. Measurable or evaluable disease as defined by RECIST v1.1

Exclusion Criteria:

  1. History of topotecan (or other topoisomerase I inhibitor) or trilaciclib treatment for SCLC
  2. Any chemotherapy, immunotherapy, biologic, investigational, or hormonal therapy for cancer treatment within 3 weeks, except for adjuvant hormonal therapy for breast cancer and prostate cancer
  3. Presence of brain metastases/leptomeningeal disease requiring immediate treatment with radiation therapy or steroids
  4. Radiotherapy within 2 weeks
  5. History of ILD/pneumonitis
  6. History of other malignancies, except for curatively treated solid tumors with no evidence of disease for ≥ 2 years or other NCS cancers

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: Tratamento
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Dobro

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Experimental: Trilaciclib (G1T28) 240 mg/m² + Topotecan 1.5 mg/m²

Patients randomized 1:1 to trilaciclib. Patients receive trilaciclib (240 mg/m²) administered once daily on Days 1 to 5 of each 21-day topotecan chemotherapy cycle.

Following administration of trilaciclib on Days 1 to 5, patients receive topotecan (1.5 mg/m²)

Participants will receive intravenous trilaciclib infusion

Outros nomes:
  • G1T28
  • Inibidor de CDK 4/6
  • inibidor de quinase 4/6 dependente de ciclina

Participants will receive intravenous topotecan infusion

Outros nomes:
  • Hycamtin
Comparador de Placebo: Placebo + Topotecan 1.5 mg/m²

Patients are randomized 1:1 to placebo. Patients receive placebo administered once daily on Days 1 to 5 of each 21-day topotecan chemotherapy cycle.

Following administration of placebo on Days 1 to 5, patients receive topotecan (1.5 mg/m²).

Participants will receive intravenous topotecan infusion

Outros nomes:
  • Hycamtin

Participants will receive intravenous placebo infusion

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Overall survival (OS)
Prazo: From date of randomization until date of death due to any cause for those who died; or date of last contact known as alive for those who survived in the study (censored cases), assessed up to 52 months

To assess the effect of trilaciclib on OS compared with placebo in patients receiving topotecan

From date of randomization until date of death due to any cause for those who died; or date of last contact known as alive for those who survived in the study (censored cases), assessed up to 52 months

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Anti-tumor efficacy
Prazo: From date of randomization until date of documented radiologic disease progression per RECIST v1.1 or death due to any cause, whichever comes first, assessed up to 52 months

To assess the effect of trilaciclib on Progression Free Survival (PFS) compared with placebo in patients receiving Topotecan

From date of randomization until date of documented radiologic disease progression per RECIST v1.1 or death due to any cause, whichever comes first, assessed up to 52 months
Anti-tumor efficacy
Prazo: From date of randomization until the occurrence of progressive disease, withdrawal of consent, or initiation of subsequent anti-cancer therapy, assessed up to 52 months

To assess the effect of trilaciclib on objective response rate (ORR) compared with placebo in patients receiving Topotecan

From date of randomization until the occurrence of progressive disease, withdrawal of consent, or initiation of subsequent anti-cancer therapy, assessed up to 52 months
Anti-tumor efficacy
Prazo: From date of first objective response of complete response (CR) or partial response (PR) and the first date that progressive disease is objectively documented or death, whichever comes first, assessed up to 52 months

To assess the effect of trilaciclib on duration of response (DOR) compared with placebo in patients receiving Topotecan

From date of first objective response of complete response (CR) or partial response (PR) and the first date that progressive disease is objectively documented or death, whichever comes first, assessed up to 52 months
Neutrophil-related myeloprotection efficacy
Prazo: From date of randomization until end of cycle 1 (each cycle is 21 days)

Duration of severe (CTCAE Grade 4) neutropenia in Cycle 1

From date of randomization until end of cycle 1 (each cycle is 21 days)
Neutrophil-related myeloprotection efficacy
Prazo: From date of randomization until end of treatment, assessed up to 52 months

Occurrence of severe (CTCAE Grade 4) neutropenia and febrile neutropenia AEs

From date of randomization until end of treatment, assessed up to 52 months
Neutrophil-related myeloprotection efficacy
Prazo: From date of randomization until end of treatment, assessed up to 52 months

Occurrence of G-CSF administration

From date of randomization until end of treatment, assessed up to 52 months
RBC related myeloprotection efficacy
Prazo: From date of randomization until end of treatment, assessed up to 52 months

Occurrence of CTCAE Grade 3 or 4 decreased hemoglobin laboratory values and ESA administration

From date of randomization until end of treatment, assessed up to 52 months
RBC related myeloprotection efficacy
Prazo: From date of randomization until end of Week 5

RBC transfusions on or after Week 5 (occurrence)

From date of randomization until end of Week 5
RBC related myeloprotection efficacy
Prazo: From date of randomization until end of Week 5

RBC transfusions on or after Week 5 (number of transfusions)

From date of randomization until end of Week 5
Platelet related myeloprotection efficacy
Prazo: From date of randomization until end of treatment, assessed up to 52 months

Occurrence of CTCAE Grade 3 or 4 decreased platelet count laboratory values and Platelet transfusions (occurrence)

From date of randomization until end of treatment, assessed up to 52 months
Platelet related myeloprotection efficacy
Prazo: From date of randomization until end of treatment, assessed up to 52 months

Occurrence of CTCAE Grade 3 or 4 decreased platelet count laboratory values and Platelet transfusions (number of transfusions)

From date of randomization until end of treatment, assessed up to 52 months
Myeloprotection efficacy
Prazo: From date of randomization until end of treatment, assessed up to 52 months

Occurrence of hospitalizations due to chemotherapy-induced myelosuppression

From date of randomization until end of treatment, assessed up to 52 months
Myeloprotection efficacy
Prazo: From date of randomization until end of treatment, assessed up to 52 months

Number of hospitalizations due to chemotherapy-induced myelosuppression

From date of randomization until end of treatment, assessed up to 52 months
Chemotherapy dosing
Prazo: From the date of randomization until end of treatment, assessed up to 52 months

To assess the effects of trilaciclib on chemotherapy dosing (delays) compared with placebo when administered prior to topotecan.

From the date of randomization until end of treatment, assessed up to 52 months
Chemotherapy dosing
Prazo: From the date of randomization until end of treatment, assessed up to 52 months

To assess the effects of trilaciclib on chemotherapy dosing (reductions) compared with placebo when administered prior to topotecan.

From the date of randomization until end of treatment, assessed up to 52 months
Incidence of Treatment-Emergent Adverse Events as Assessed by CTCAE
Prazo: From the date of randomization until end of treatment, assessed up to 52 months

To assess the effects of trilaciclib administered prior to topotecan compared with placebo administered prior to topotecan on occurrence and severity of adverse events by CTCAE, study treatment discontinuation due to adverse events, and trilaciclib adverse events of special interest

From the date of randomization until end of treatment, assessed up to 52 months

Colaboradores e Investigadores

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

Patrocinador

Investigadores

  • Diretor de estudo: Pharmacosmos Clinical and non-clinical Department, Pharmacosmos A/S

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)

13 de outubro de 2023

Conclusão Primária (Estimado)

5 de fevereiro de 2028

Conclusão do estudo (Estimado)

5 de fevereiro de 2028

Datas de inscrição no estudo

Enviado pela primeira vez

12 de abril de 2023

Enviado pela primeira vez que atendeu aos critérios de CQ

22 de maio de 2023

Primeira postagem (Real)

24 de maio de 2023

Atualizações de registro de estudo

Última Atualização Postada (Real)

5 de outubro de 2026

Última atualização enviada que atendeu aos critérios de controle de qualidade

1 de outubro de 2026

Última verificação

1 de outubro de 2026

Mais Informações

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Estuda um medicamento regulamentado pela FDA dos EUA

Sim

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Não

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