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Clinical Trial of TQB3126 for Safety, Tolerability, Pharmacokinetics and Preliminary Efficacy in Breast Cancer Subjects

7 de julio de 2026 actualizado por: Chia Tai Tianqing Pharmaceutical Group Co., Ltd.

Phase I/II Clinical Trial to Evaluate the Safety, Tolerability, Pharmacokinetics and Preliminary Efficacy of TQB3126 in Subjects With Breast Cancer

The trial comprises Phase I dose escalation/expansion and Phase II combination therapy. Using a multicenter, open-label, non-randomized design, breast cancer patients will receive TQB3126 to assess its safety, tolerability, pharmacokinetics and preliminary efficacy.

Descripción general del estudio

Estado

Aún no reclutando

Condiciones

Intervención / Tratamiento

Tipo de estudio

Intervencionista

Inscripción (Estimado)

306

Fase

  • Fase 2
  • Fase 1

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

  • Nombre: Herui Yao, Doctor
  • Número de teléfono: +86 13500018020
  • Correo electrónico: yaohrsysu@163.com

Ubicaciones de estudio

  • Porcelana
    • Guangdong
      • Guangzhou, Guangdong, Porcelana, 510288
        • Sun Yat-sen Memorial Hospital, Sun Yat-Sen University
        • Contacto:
          • Herui Yao, Doctor
          • Número de teléfono: +86 13500018020
          • Correo electrónico: yaohrsysu@163.com
      • Meizhou, Guangdong, Porcelana, 514000
        • Meizhou People's Hospital
        • Contacto:
          • Jingna Wu, Doctor
          • Número de teléfono: +86 13431819838
          • Correo electrónico: 547511952@qq.com
    • Hubei
      • Wuhan, Hubei, Porcelana, 430000
        • Zhongnan Hospital of Wuhan University
        • Contacto:
          • Haijun Yu, Doctor
          • Número de teléfono: +86 13971665181
          • Correo electrónico: doctoryhj@126.com
    • Hunan
      • Changsha, Hunan, Porcelana, 410000
        • The Third Xiangya Hospital of Central South University
        • Contacto:
          • Jun Zhang, Doctor
          • Número de teléfono: +86 13973131500
          • Correo electrónico: 296864403@qq.com
    • Sichuan
      • Chengdu, Sichuan, Porcelana, 610041
        • Sichuan Cancer Hospital
        • Contacto:
          • Hao Wang, Doctor
          • Número de teléfono: +86 13518204307
          • Correo electrónico: unique909@126.com
    • Tianjin Municipality
      • Tianjin, Tianjin Municipality, Porcelana, 300202
        • Tianjin Medical University Cancer Institute & Hospital
        • Contacto:
          • Yehui Shi, Doctor
          • Número de teléfono: +86 18622221183
          • Correo electrónico: shiyehui@tjmuch.com

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Adulto
  • Adulto Mayor

Acepta Voluntarios Saludables

No

Descripción

Inclusion Criteria:

  1. Subjects voluntarily participate in this study, sign the informed consent form, and demonstrate good treatment compliance.
  2. Aged 18 to 75 years at the time of informed consent signature; Eastern Cooperative Oncology Group (ECOG) performance status (PS) score of 0 or 1; estimated survival expectancy of more than 3 months.
  3. Histopathologically confirmed breast cancer.
  4. Documented disease progression confirmed by clinical or imaging evidence during or after the most recent prior systemic therapy prior to the first study drug administration.
  5. Have evaluable lesions per RECIST v1.1 criteria (measurable lesions; or bone-only metastases with at least one osteolytic or mixed lesion).
  6. Adequate tissue samples shall be provided at screening for gene mutation testing to clarify genetic status.
  7. Laboratory test results meet the criteria specified in the protocol (blood routine, liver and renal function, coagulation function, cardiac ultrasound Left Ventricular Ejection Fraction(LVEF) and other indicators are all within the protocol-specified ranges).
  8. Subjects of childbearing potential must agree to use effective contraceptive measures throughout the study and for 6 months after study completion (the same requirement applies to male subjects); serum or urine pregnancy test result is negative within 7 days prior to enrollment.

Exclusion Criteria:

  1. Other malignant tumors within 5 years prior to first dose, except those cured by single surgical treatment with at least 5 years of disease-free survival, or cured differentiated thyroid cancer, cervical carcinoma in situ, non-melanoma skin cancer, or superficial bladder tumors.
  2. Conditions affecting intravenous access or blood sampling, or multiple factors affecting oral drug administration/absorption (e.g., inability to swallow, chronic diarrhea, intestinal obstruction).
  3. Unresolved toxicity from prior therapy of Grade >1 (CTCAE v6.0), except Grade 2 alopecia, Grade 2 anemia, clinically insignificant laboratory abnormalities, or hypothyroidism stable on hormone replacement therapy.
  4. Major surgery, significant traumatic injury within 4 weeks before first dose, anticipated need for major surgery during the study, or long-standing unhealed fracture.
  5. Any bleeding event of Grade >=3 within 4 weeks before first dose.
  6. Arterial/venous thrombotic events within 6 months before first dose (e.g., cerebrovascular accident, deep vein thrombosis, pulmonary embolism), excluding catheter-related or superficial venous thrombosis.
  7. Active viral hepatitis that is poorly controlled (Hepatitis B Virus (HBV)/Hepatitis C Virus (HCV)-infected subjects meeting protocol-specified criteria may be enrolled).
  8. Active syphilis infection requiring treatment.
  9. Active tuberculosis, idiopathic pulmonary fibrosis, organizing pneumonia, drug-induced or radiation pneumonitis requiring treatment, or history of/current interstitial lung disease (ILD).
  10. History of psychotropic substance abuse unable to be discontinued, mental disorders, epilepsy requiring treatment, or severe psychiatric/neurological disease.
  11. Planned or prior allogeneic bone marrow or solid organ transplantation.
  12. Decompensated cirrhosis (Child-Pugh Class B or C) or history of hepatic encephalopathy.
  13. Significant cardiovascular disease, including New York Heart Association(NYHA) Class >II heart failure, clinically significant ventricular arrhythmia, unstable angina, myocardial infarction within 12 months, markedly prolonged QT interval corrected by Fridericia's formula (QTcF), or personal/family history of congenital long QT syndrome.
  14. Poorly controlled hypertension (resting systolic BP >=160 mmHg or diastolic BP >=100 mmHg on at least 2 measurements >=24 hours apart).
  15. Active or uncontrolled serious infection (Grade >=2).
  16. Renal failure requiring hemodialysis or peritoneal dialysis; or history of/current nephrotic syndrome (except cured) or chronic nephritis.
  17. History of immunodeficiency, including HIV infection or other acquired/congenital immunodeficiency diseases.
  18. Poorly controlled autoimmune disease requiring immunosuppressants or systemic corticosteroids for immunosuppression, continued within 7 days before first dose (except low-dose corticosteroids).
  19. Clinically significant endometrial abnormalities (including hyperplasia, dysfunctional uterine bleeding, etc.).
  20. Tumor-related conditions/treatments: anti-cancer therapy within 3 weeks before first dose or still within the drug's washout period; prior local radiotherapy not meeting protocol-specified interval or target lesion requirements; use of National Medical Products Administration (NMPA)-approved proprietary Chinese medicine with anti-tumor indications within 1 week before first dose; imaging showing tumor invasion of major vessels with risk of fatal hemorrhage; uncontrolled pleural effusion/ascites/moderate-or-greater pericardial effusion requiring repeated drainage; known leptomeningeal metastasis or uncontrolled brain metastasis symptoms; severe skeletal-related events due to bone metastases.
  21. Known hypersensitivity to the study drug or its excipients.
  22. Participation in and use of another investigational anti-tumor drug within 4 weeks before first dose.
  23. Any concomitant disease or condition that, in the investigator's judgment, seriously endangers subject safety or study compliance, or any other reason making the subject unsuitable for enrollment.

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Tratamiento
  • Asignación: N / A
  • Modelo Intervencionista: Asignación de un solo grupo
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: TQB3126
Administered in accordance with the protocol
Droga: TQB3126
TQB3126 is a targeted protein degrader.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Dose Limiting Toxicity (DLT)
Periodo de tiempo: From first dose of TQB3126 to the end of Cycle 1, approximately 35 days.
DLT is defined as toxicities that meet pre-defined severity criteria (according to the NCI Common Terminology Criteria for Adverse Events (CTCAE) version 6.0) and are assessed as related to TQB3126, occurring from the first dose to the end of the first treatment cycle.
From first dose of TQB3126 to the end of Cycle 1, approximately 35 days.
Maximum Tolerated Dose (MTD)
Periodo de tiempo: From first dose of TQB3126 to the end of Cycle 1, approximately 35 days.
MTD is defined as the highest dose at which DLT occurs in less than 33% of subjects.
From first dose of TQB3126 to the end of Cycle 1, approximately 35 days.
Recommended Phase II Dose (RP2D)
Periodo de tiempo: Observation is expected to continue through Cycle 6 Day 28 throughout the study, around 6 months.
The dose recommended for Phase II study based on integrated safety, tolerability, pharmacokinetic and efficacy data.
Observation is expected to continue through Cycle 6 Day 28 throughout the study, around 6 months.
Adverse Events (AEs)
Periodo de tiempo: From the time of first dose of TQB3126 to 28 days after the last dose or until the start of other anti-tumor therapy, whichever occurs first.
The occurrence, incidence and severity of all adverse events (AEs).
From the time of first dose of TQB3126 to 28 days after the last dose or until the start of other anti-tumor therapy, whichever occurs first.
Serious Adverse Events (SAEs)
Periodo de tiempo: From the time of first dose of TQB3126 to 28 days after the last dose or until the start of other anti-tumor therapy, whichever occurs first.
The occurrence, incidence and severity of all serious adverse events (SAEs).
From the time of first dose of TQB3126 to 28 days after the last dose or until the start of other anti-tumor therapy, whichever occurs first.
Abnormal Incidence of Laboratory Test Indicators
Periodo de tiempo: From the time of first dose of TQB3126 to 28 days after the last dose or until the start of other anti-tumor therapy, whichever occurs first.
Incidence and severity of abnormal laboratory values.
From the time of first dose of TQB3126 to 28 days after the last dose or until the start of other anti-tumor therapy, whichever occurs first.
Objective Response Rate (ORR)
Periodo de tiempo: From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.
The proportion of subjects with a best overall response of complete response (CR) or partial response (PR) according to RECIST v1.1.
From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Peak Concentration (Cmax)
Periodo de tiempo: Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Maximum observed plasma concentration of TQB3126.
Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Time to Reach Maximum Plasma Concentration (Tmax)
Periodo de tiempo: Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Time to reach the maximum plasma concentration of TQB3126.
Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Elimination Half-life (t1/2)
Periodo de tiempo: Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Elimination half-life of TQB3126 after oral dosing.
Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Area Under the Plasma Concentration-time Curve From Time Zero to Time t (AUC0-t)
Periodo de tiempo: Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Area under the plasma concentration-time curve from time zero to the last measurable concentration.
Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Area Under the Plasma Concentration-time Curve From Time Zero Extrapolated to Infinity (AUC0-∞)
Periodo de tiempo: Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Area under the plasma concentration-time curve from time zero extrapolated to infinity.
Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Apparent Clearance (CL/F)
Periodo de tiempo: Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Apparent total clearance of TQB3126 from plasma.
Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Apparent Volume of Distribution (Vz/F)
Periodo de tiempo: Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Apparent volume of distribution of TQB3126 in plasma.
Escalation: pre-dose+0.5,1,2,3,4,6,8,12,24,48,72,120 hours post single dose (Cycle0); pre-dose Cycle1 Day1. Expansion/combo: pre-dose+0.5-12 hours Cycle1 Day1; 24 hours Day2. All: pre-dose Day 7,14,21; pre-dose+0.5-12 hours Day 28; pre-dose Cycle2 Day1.
Clinical Benefit Rate (CBR)
Periodo de tiempo: From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.
The proportion of subjects with a best overall response of complete response, partial response, or stable disease lasting a pre-specified minimum duration, per RECIST v1.1.
From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.
Disease Control Rate (DCR)
Periodo de tiempo: From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.
The proportion of subjects with a best overall response of complete response, partial response, or stable disease, per RECIST v1.1.
From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.
Duration of Response (DOR)
Periodo de tiempo: From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.
The time from the first documentation of complete or partial response to the first documentation of disease progression.
From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.
Progression-Free Survival (PFS)
Periodo de tiempo: From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.
The time from the first dose to the first documentation of disease progression or death from any cause, whichever occurs first.
From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.
Time to Response (TTR)
Periodo de tiempo: From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.
The time from the first dose to the first documentation of complete or partial response.
From the date of first dose until the date of first documented disease progression, assessed up to approximately 3 years.

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Chia Tai Tianqing Pharmaceutical Group Co., Ltd.

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Estimado)

1 de agosto de 2026

Finalización primaria (Estimado)

1 de agosto de 2029

Finalización del estudio (Estimado)

1 de agosto de 2030

Fechas de registro del estudio

Enviado por primera vez

7 de julio de 2026

Primero enviado que cumplió con los criterios de control de calidad

7 de julio de 2026

Publicado por primera vez (Actual)

13 de julio de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

13 de julio de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

7 de julio de 2026

Última verificación

1 de abril de 2026

Más información

Términos relacionados con este estudio

Términos MeSH relevantes adicionales

Otros números de identificación del estudio

  • TQB3126-I/II-01

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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