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A Phase I Study of Allogeneic Myocardium-Derived Mesenchymal Stem Cells (HB1011) in Patients With Ischemic Cardiomyopathy (HEART-1)

30 de setembro de 2026 atualizado por: HieraBio Inc.

Prospective, Open-label, Dose-escalation, Single-center, Non-randomized Phase I Study to Evaluate Safety and Tolerability of Allogeneic Myocardium-derived Mesenchymal Stem Cells (HB1011) in Patients With Ischemic Cardiomyopathy

Ischemic cardiomyopathy occurs when the heart muscle is permanently weakened due to blocked coronary arteries that limit blood flow. Current treatments, including medications and lifestyle changes, can manage symptoms but cannot restore the damaged heart muscle.

Stem cell therapy offers a promising approach to repair and regenerate damaged heart tissue. This study will evaluate the safety and tolerability of HB1011 - an allogeneic myocardium-derived mesenchymal stem cell therapy - in patients with ischemic cardiomyopathy who are undergoing coronary artery bypass grafting (CABG) surgery. HB1011 will be injected directly into the damaged heart muscle during the CABG procedure. Participants will receive different doses of HB1011, starting from a lower dose and gradually increasing, to identify the safest and most appropriate dose for future studies.

Visão geral do estudo

Status

Recrutamento

Condições

Intervenção / Tratamento

Descrição detalhada

Participation in this study will last approximately 12 months following treatment. Prior to surgery, potential participants will undergo a screening visit to confirm eligibility. Screening assessments will include a physical exam, review of medical history and current medications, blood tests, electrocardiogram (ECG), echocardiogram, and cardiac MRI. Eligible participants will be admitted to the hospital 1 to 2 days before their scheduled CABG surgery for final pre-operative assessments.

On the day of surgery, CABG will be performed as planned. Once the bypass procedure is complete and before chest closure, HB1011 will be injected directly into the damaged heart muscle through a transepicardial approach. Participants will be assigned to either a low-dose or high-dose group following a sequential dose-escalation design, with safety carefully monitored at each stage before proceeding to the next dose level. After receiving the injections, participants will remain hospitalized for post-operative monitoring and observation.

Following discharge, participants will return for scheduled outpatient visits at 1, 3, 6, 9, and 12 months after surgery. At each visit, safety and tolerability will be assessed through physical exams, blood tests, and cardiac evaluations. Exploratory assessments of heart function, including echocardiogram and cardiac MRI, will be performed at selected time points to evaluate any changes over the course of the study.

Tipo de estudo

Intervencional

Inscrição (Estimado)

12

Estágio

  • Fase 1

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.

Contato de estudo

Locais de estudo

    • Gyeonggi-do
      • Seongnam-si, Gyeonggi-do, Coréia do Sul, 13620
        • Recrutamento
        • Seoul National University Bundang Hospital
        • Contato:

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

19 anos a 85 anos (Adulto, Adulto mais velho)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Tudo

Descrição

Inclusion Criteria:

  • Scheduled to undergo coronary artery bypass grafting (CABG) surgery
  • Left ventricular ejection fraction (LVEF) ≤ 40%
  • Age 19 to 85 years, male or female
  • Diagnosed with ischemic cardiomyopathy
  • NYHA functional Class II-IV at screening
  • Ability to understand the study and willing to provide written informed consent

Exclusion Criteria:

  • New myocardial infarction within 28 days prior to screening, or unstabilized cardiac enzyme levels at screening
  • Participation in another clinical trial involving an investigational drug or device within 6 months prior to screening
  • Contraindication to cardiac MRI (e.g., pacemaker, severe claustrophobia)
  • Pregnant, breastfeeding, or unwilling to use adequate contraception during the study
  • History of malignancy within 5 years, severe allergic reaction, prior cardiac surgery (including CABG), stroke within 3 months, or incomplete recovery from major surgery within 12 weeks
  • Significant comorbidities at screening, including severe ventricular arrhythmia, uncontrolled atrial fibrillation, severe or unstable COPD, congenital heart disease, active viral or severe infection, autoimmune disease, or active tuberculosis
  • Active hepatitis B, hepatitis C, or HIV infection
  • Systemic immunosuppressive therapy at protocol-defined high doses, or high-dose short-term steroid therapy within 4 weeks prior to treatment
  • Suspected active infection within 48 hours before surgery
  • Life expectancy less than 1 year due to non-cardiac conditions
  • Requirement for concomitant major cardiac or aortic procedures at the time of CABG (e.g., valve repair/replacement, aortic surgery)
  • Severe chronic renal impairment (eGFR < 30 mL/min/1.73m²), renal replacement therapy, or significant hepatic disease
  • Hemodynamically unstable patients
  • Severe pulmonary hypertension or conditions requiring resting oxygen therapy
  • Panel reactive antibody (PRA) Class I or II ≥ 50%
  • HbA1c > 10% in patients with diabetes
  • Severe peripheral arterial disease with rest pain, ischemic ulcer, or gangrene
  • Hypersensitivity to bovine-derived proteins
  • Any other condition deemed unsuitable for participation by the investigator

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: Não randomizado
  • Modelo Intervencional: Atribuição sequencial
  • Mascaramento: Nenhum (rótulo aberto)

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Experimental: Group 1: Low Dose of HB1011

Drug: HB1011 (0.5 × 10⁷ cells), transepicardial intramyocardial injection at the time of CABG

Biological: Lower dose of HB1011 injection Participants will receive between 5 intramyocardial injections of 1 million allogeneic myocardium-derived mesenchymal stem cells for a total of 0.5 x 10^7 cells. The injections will be administered following completion of CABG surgery.

Biological: Higher dose of HB1011 injection Participants will receive between 5 intramyocardial injections of 2 million allogeneic myocardium-derived mesenchymal stem cells for a total of 1.0 x 10^7 cells. The injections will be administered following completion of CABG surgery.

Experimental: Group 2: High Dose of HB1011

Drug: HB1011 (1.0 × 10⁷ cells), transepicardial intramyocardial injection at the time of CABG

Biological: Lower dose of HB1011 injection Participants will receive between 5 intramyocardial injections of 1 million allogeneic myocardium-derived mesenchymal stem cells for a total of 0.5 x 10^7 cells. The injections will be administered following completion of CABG surgery.

Biological: Higher dose of HB1011 injection Participants will receive between 5 intramyocardial injections of 2 million allogeneic myocardium-derived mesenchymal stem cells for a total of 1.0 x 10^7 cells. The injections will be administered following completion of CABG surgery.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Adverse event, AE
Prazo: 12 Months

Treatment-Emergent Adverse Event, TEAE, Adverse Drug Reaction, ADR, Serious Adverse Event, SAE, Serious Adverse Drug Reaction, SADR, Suspected Unexpected Serious Adverse Drug Reaction, SUSAR

12 Months
DLT, Dose Limiting Toxicity
Prazo: 12 Months

DLT, Dose Limiting Toxicity

12 Months

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Change in LVEF by Echocardiography
Prazo: Baseline, 3, 6, and 12 months post-treatment

Change in left ventricular ejection fraction (LVEF) from baseline as measured by echocardiography

Baseline, 3, 6, and 12 months post-treatment
Change in LVEF by Cardiac MRI
Prazo: Baseline, 6, and 12 months post-treatment

Change in LVEF from baseline as measured by cardiac MRI

Baseline, 6, and 12 months post-treatment
Change in Infarct Scar Size (ISS)
Prazo: Baseline, 6, and 12 months post-treatment

Change in infarct scar size from baseline as measured by delayed contrast-enhanced cardiac MRI

Baseline, 6, and 12 months post-treatment
Regional Wall Motion Abnormality (RWMA)
Prazo: Baseline, 6, and 12 months post-treatment

Change in regional wall motion abnormality at the site of HB1011 injection as assessed by echocardiography

Baseline, 6, and 12 months post-treatment
NYHA Functional Classification
Prazo: Baseline, 1, 3, 6, 9, and 12 months post-treatment

Change in NYHA functional class based on patient-reported activity limitation (Improved / Unchanged / Worsened)

Baseline, 1, 3, 6, 9, and 12 months post-treatment
MACCE Incidence
Prazo: Within 12 months post-treatment

Composite rate of major adverse cardiac and cerebrovascular events including death, hospitalization for heart failure, non-fatal recurrent MI, target vessel revascularization, and stroke

Within 12 months post-treatment
Mortality
Prazo: Within 12 months post-treatment

Proportion of patients who died following CABG surgery, categorized as early mortality (within 30 days), in-hospital mortality, and late mortality (after 30 days)

Within 12 months post-treatment

Colaboradores e Investigadores

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

Patrocinador

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)

23 de junho de 2026

Conclusão Primária (Estimado)

31 de outubro de 2027

Conclusão do estudo (Estimado)

31 de janeiro de 2028

Datas de inscrição no estudo

Enviado pela primeira vez

30 de setembro de 2026

Enviado pela primeira vez que atendeu aos critérios de CQ

30 de setembro de 2026

Primeira postagem (Real)

6 de outubro de 2026

Atualizações de registro de estudo

Última Atualização Postada (Real)

6 de outubro de 2026

Última atualização enviada que atendeu aos critérios de controle de qualidade

30 de setembro de 2026

Última verificação

1 de setembro de 2026

Mais Informações

Termos relacionados a este estudo

Outros números de identificação do estudo

  • HBC-1011-CTP-001

Plano para dados de participantes individuais (IPD)

Planeja compartilhar dados de participantes individuais (IPD)?

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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