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Pharmacokinetics, Safety and Tolerability of Single Sequential and Multiple Intravenous Infusions of Ulinastatin for Injection in Healthy Chinese Participants

2 de noviembre de 2026 actualizado por: Techpool Bio-Pharma Co., Ltd.

A Placebo-Controlled, Double-Blind, Phase I Clinical Study to Evaluate Pharmacokinetic Characteristics, Safety and Tolerability of Single Sequential and Multiple Continuous Intravenous Infusions of Ulinastatin for Injection in Healthy Chinese Participants

This is a Phase 1 clinical study. The purpose of this study is to evaluate the pharmacokinetics, safety and tolerability of ulinastatin for injection after single sequential and multiple continuous intravenous infusions in healthy Chinese volunteers.

Key study questions:

  • - How does ulinastatin behave in the body after single sequential and multiple continuous intravenous infusions?
  • - What are the safety outcomes and side effects in healthy people receiving this investigational drug?
  • Study participants will:
  • - Complete screening assessments to check if they meet the study requirements.
  • - Receive either ulinastatin for injection or placebo (inactive substance with no study drug) via intravenous drip.
  • - Follow the study schedule for single sequential infusions and multiple continuous infusions.
  • - Provide blood samples to measure drug concentration in the body.
  • - Undergo safety evaluations including physical examinations, vital sign monitoring and laboratory tests throughout the study period.
  • The study will compare data from participants receiving the study drug versus those receiving placebo to assess drug-related exposure and adverse reactions.

Descripción general del estudio

Estado

Aún no reclutando

Intervención / Tratamiento

Descripción detallada

This is a single-center, randomized, double-blind, placebo-controlled Phase 1 study of ulinastatin for injection in healthy Chinese adults. Approximately 40 participants will be enrolled sequentially into 4 cohorts and randomized 8:2 to ulinastatin or placebo, to evaluate single ascending doses of 100,000 to 8,000,000 units and multiple ascending doses of 400,000 or 1,600,000 units administered three times daily for 4 consecutive days. Serial blood samples will be collected for non-compartmental pharmacokinetic analysis, and safety and tolerability will be assessed throughout the study.

Tipo de estudio

Intervencionista

Inscripción (Estimado)

40

Fase

  • 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

Ubicaciones de estudio

    • Anhui
      • Hefei, Anhui, Porcelana, 230601
        • The Second Affiliated Hospital of Anhui Medical University
        • Contacto:
          • Wei Hu
          • Número de teléfono: 0551-63869420
          • Correo electrónico: hwgcp@ayefy.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

18 años a 55 años (Adulto)

Acepta Voluntarios Saludables

Sí

Géneros elegibles para el estudio

Todos

Descripción

Inclusion Criteria:

Participants must meet all of the following criteria to be enrolled:

  1. Healthy Chinese male or female participants, as confirmed by medical history, physical examination, vital signs, 12-lead ECG, chest X-ray, and laboratory tests at screening.
  2. Age 18 to 55 years, inclusive.
  3. Body mass index (BMI) 19.0 to 28.0 kg/m2, inclusive; body weight at least 45.0 kg for women and at least 50.0 kg for men.
  4. Able to understand the procedures and methods of the study, willing to comply strictly with the protocol, and able to provide written informed consent.

Exclusion Criteria:

  • Participants meeting any of the following criteria are not eligible for enrollment:

    1. Smoking more than 5 cigarettes per day within 3 months before screening, or unable to abstain from smoking from 48 hours before dosing through the study period.
    2. Alcohol intake exceeding 14 units per week within 3 months before screening (1 unit = 360 mL of beer, 45 mL of spirits containing 40% alcohol, or 150 mL of wine), or consumption of alcohol-containing products within 48 hours before the first dose, or unable to abstain from alcohol during the study, or a positive blood alcohol test at screening or at admission (Day -2).
    3. History of drug abuse within 6 months before screening.
    4. History or presence of severe cardiovascular, pulmonary, hepatic, renal, hematologic, gastrointestinal, endocrine, immunologic, dermatologic, neurologic, or psychiatric disease.
    5. History of malignancy of any organ system within 5 years before screening, whether treated or untreated, and regardless of evidence of local recurrence or metastasis.
    6. History of clinically significant electrocardiographic abnormalities.
    7. History of cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, or neurologic disorders that may alter the absorption, metabolism, or elimination of drugs.
    8. Clinically significant abnormalities in laboratory tests at screening.
    9. History or evidence of renal impairment, manifested as clinically significant abnormalities in creatinine, blood urea nitrogen, or urea, or abnormal urine composition (e.g., proteinuria).
    10. Severe illness, severe infection, or trauma within 2 weeks before dosing.
    11. Blood donation of 400 mL or more within 3 months before dosing, or significant blood loss of at least 400 mL.
    12. Allergic constitution, history of drug or food allergy, or known hypersensitivity to the study drug or to components of similar drugs.
    13. Participation in any other clinical trial and receipt of an investigational drug or device within 3 months before dosing.
    14. Use of prescription drugs, over-the-counter drugs, herbal medicines, or food supplements (including vitamins), or any drug that may interfere with the interpretation of safety data, or any drug or herbal medicine with known common toxicity to major organs, within 2 weeks before dosing.
    15. Surgery within 3 months before the first dose, or planned surgery during the study period.
    16. Pregnant or lactating women, or men or women of reproductive potential who are unwilling to use effective contraception from the start of the study through 90 days after dosing.
    17. Positive test for hepatitis B surface antigen, hepatitis C virus antibody, human immunodeficiency virus (HIV) antibody, or Treponema pallidum antibody.
    18. Difficulty with intravenous administration or blood sampling, or history of needle phobia or hematophobia.
    19. Any other condition that, in the opinion of the investigator, may prevent the participant from completing the study or may place the participant at significant risk.

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: Ciencia básica
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación Secuencial
  • Enmascaramiento: Doble

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Cohort 1: Ulinastatin single ascending dose (100,000, 2,000,000, and 6,000,000 units)

Participants receive a single 2-hour intravenous infusion of ulinastatin 100,000 units on Day 1, 2,000,000 units on Day 4, and 6,000,000 units on Day 7.

Name Ulinastatin for injection

Type Drug

Other Names Ulinastatin; UTI

Lyophilized powder for injection, 100,000 units per vial; white to slightly yellow lyophilized cake or powder. Reconstituted and diluted in 250 mL of 5% glucose injection, then administered by intravenous infusion over 2 hours (±5 minutes). Single doses of 100,000 to 8,000,000 units were administered in the single-ascending-dose cohorts; doses of 400,000 or 1,600,000 units were administered three times daily for 4 consecutive days in the multiple-ascending-dose cohorts. Manufactured by Guangdong Techpool Biochemical Pharmaceutical Co., Ltd.

Comparador de placebos: Cohort 1: Placebo

Participants receive a single 2-hour intravenous infusion of placebo (5% glucose injection) on Days 1, 4, and 7, matching the ulinastatin schedule in Cohort 1.

Name Placebo

Type Drug

Other Names 5% glucose injection

250 mL of 5% glucose injection, prepared and administered so as to be indistinguishable in appearance from the reconstituted study drug. Contains no active ingredient.

Experimental: Cohort 2: Ulinastatin single ascending dose (1,000,000, 4,000,000, and 8,000,000 units)

Participants receive a single 2-hour intravenous infusion of ulinastatin 1,000,000 units on Day 1, 4,000,000 units on Day 4, and 8,000,000 units on Day 7.

Name Ulinastatin for injection

Type Drug

Other Names Ulinastatin; UTI

Lyophilized powder for injection, 100,000 units per vial; white to slightly yellow lyophilized cake or powder. Reconstituted and diluted in 250 mL of 5% glucose injection, then administered by intravenous infusion over 2 hours (±5 minutes). Single doses of 100,000 to 8,000,000 units were administered in the single-ascending-dose cohorts; doses of 400,000 or 1,600,000 units were administered three times daily for 4 consecutive days in the multiple-ascending-dose cohorts. Manufactured by Guangdong Techpool Biochemical Pharmaceutical Co., Ltd.

Comparador de placebos: Cohort 2: Placebo

Participants receive a single 2-hour intravenous infusion of placebo (5% glucose injection) on Days 1, 4, and 7, matching the ulinastatin schedule in Cohort 2.

Name Placebo

Type Drug

Other Names 5% glucose injection

250 mL of 5% glucose injection, prepared and administered so as to be indistinguishable in appearance from the reconstituted study drug. Contains no active ingredient.

Experimental: Cohort 3: Ulinastatin multiple ascending dose (400,000 units three times daily for 4 days)

Participants receive 2-hour intravenous infusions of ulinastatin 400,000 units three times daily (at 8:00, 16:00, and 23:00, ±1 hour) on Days 1 to 3, and one morning dose on Day 4 (last dose).

Name Ulinastatin for injection

Type Drug

Other Names Ulinastatin; UTI

Lyophilized powder for injection, 100,000 units per vial; white to slightly yellow lyophilized cake or powder. Reconstituted and diluted in 250 mL of 5% glucose injection, then administered by intravenous infusion over 2 hours (±5 minutes). Single doses of 100,000 to 8,000,000 units were administered in the single-ascending-dose cohorts; doses of 400,000 or 1,600,000 units were administered three times daily for 4 consecutive days in the multiple-ascending-dose cohorts. Manufactured by Guangdong Techpool Biochemical Pharmaceutical Co., Ltd.

Comparador de placebos: Cohort 3: Placebo

Participants receive infusions of placebo (5% glucose injection) three times daily on Days 1 to 3 and one morning dose on Day 4, matching the ulinastatin schedule in Cohort 3.

Name Placebo

Type Drug

Other Names 5% glucose injection

250 mL of 5% glucose injection, prepared and administered so as to be indistinguishable in appearance from the reconstituted study drug. Contains no active ingredient.

Experimental: Cohort 4: Ulinastatin multiple ascending dose (1,600,000 units three times daily for 4 days)

Participants receive 2-hour intravenous infusions of ulinastatin 1,600,000 units three times daily (at 8:00, 16:00, and 23:00, ±1 hour) on Days 1 to 3, and one morning dose on Day 4 (last dose).

Name Ulinastatin for injection

Type Drug

Other Names Ulinastatin; UTI

Lyophilized powder for injection, 100,000 units per vial; white to slightly yellow lyophilized cake or powder. Reconstituted and diluted in 250 mL of 5% glucose injection, then administered by intravenous infusion over 2 hours (±5 minutes). Single doses of 100,000 to 8,000,000 units were administered in the single-ascending-dose cohorts; doses of 400,000 or 1,600,000 units were administered three times daily for 4 consecutive days in the multiple-ascending-dose cohorts. Manufactured by Guangdong Techpool Biochemical Pharmaceutical Co., Ltd.

Comparador de placebos: Cohort 4: Placebo

Participants receive infusions of placebo (5% glucose injection) three times daily on Days 1 to 3 and one morning dose on Day 4, matching the ulinastatin schedule in Cohort 4.

Name Placebo

Type Drug

Other Names 5% glucose injection

250 mL of 5% glucose injection, prepared and administered so as to be indistinguishable in appearance from the reconstituted study drug. Contains no active ingredient.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Peak plasma concentration(Cmax)
Periodo de tiempo: Up to 24 hours after the start of each infusion on Days 1, 4, and 7

Descriptive statistics by dose level; non-compartmental analysis.Blood samples were also collected at matching time points on Day -1 (baseline) for endogenous baseline correction.

Up to 24 hours after the start of each infusion on Days 1, 4, and 7
Area under the plasma concentration-time curve from time zero to the last quantifiable
Periodo de tiempo: Up to 24 hours after the start of each infusion on Days 1, 4, and 7

Descriptive statistics by dose level; non-compartmental analysis.Blood samples were also collected at matching time points on Day -1 (baseline) for endogenous baseline correction.

Up to 24 hours after the start of each infusion on Days 1, 4, and 7
Area under the plasma concentration-time curve from time zero to infinity (AUC0-inf)
Periodo de tiempo: Up to 24 hours after the start of each infusion on Days 1, 4, and 7

Descriptive statistics by dose level; non-compartmental analysis.Blood samples were also collected at matching time points on Day -1 (baseline) for endogenous baseline correction.

Up to 24 hours after the start of each infusion on Days 1, 4, and 7
Time to reach peak plasma concentration (Tmax)
Periodo de tiempo: Up to 24 hours after the start of each infusion on Days 1, 4, and 7

Descriptive statistics by dose level; non-compartmental analysis.Blood samples were also collected at matching time points on Day -1 (baseline) for endogenous baseline correction.

Up to 24 hours after the start of each infusion on Days 1, 4, and 7
Terminal elimination half-life (t1/2)
Periodo de tiempo: Up to 24 hours after the start of each infusion on Days 1, 4, and 7
Up to 24 hours after the start of each infusion on Days 1, 4, and 7
Apparent clearance (CL)
Periodo de tiempo: Up to 24 hours after the start of each infusion on Days 1, 4, and 7
Up to 24 hours after the start of each infusion on Days 1, 4, and 7
Apparent volume of distribution (Vz)
Periodo de tiempo: Up to 24 hours after the start of each infusion on Days 1, 4, and 7
Up to 24 hours after the start of each infusion on Days 1, 4, and 7
Peak plasma concentration at steady state (Cmax,ss)
Periodo de tiempo: Up to 24 hours after the start of the Day 4 infusion (last dose)
Up to 24 hours after the start of the Day 4 infusion (last dose)
Trough plasma concentration at steady state (Cmin,ss)
Periodo de tiempo: Predose on Day 4
Predose on Day 4
Time to reach peak plasma concentration at steady state (Tmax,ss)
Periodo de tiempo: Up to 24 hours after the start of the Day 4 infusion (last dose)
Up to 24 hours after the start of the Day 4 infusion (last dose)
Area under the plasma concentration-time curve during a dosing interval at steady state (AUC0-tau,ss)
Periodo de tiempo: Up to 24 hours after the start of the Day 4 infusion (last dose)
Up to 24 hours after the start of the Day 4 infusion (last dose)
Accumulation ratio based on Cmax and AUC0-tau (Rac)
Periodo de tiempo: Up to 24 hours after the start of the Day 4 infusion (last dose)
Up to 24 hours after the start of the Day 4 infusion (last dose)

Medidas de resultado secundarias

Medida de resultado
Periodo de tiempo
Incidence and severity of adverse events (AEs)
Periodo de tiempo: From the first dose up to 7 days (±1 day) after the last dose
From the first dose up to 7 days (±1 day) after the last dose

Colaboradores e Investigadores

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

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 noviembre de 2026

Finalización primaria (Estimado)

1 de marzo de 2027

Finalización del estudio (Estimado)

1 de junio de 2027

Fechas de registro del estudio

Enviado por primera vez

21 de octubre de 2026

Primero enviado que cumplió con los criterios de control de calidad

2 de noviembre de 2026

Publicado por primera vez (Actual)

6 de noviembre de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

6 de noviembre de 2026

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

2 de noviembre de 2026

Última verificación

1 de noviembre de 2026

Más información

Términos relacionados con este estudio

Términos MeSH relevantes adicionales

Otros números de identificación del estudio

  • HJG-WSTD-GDTP

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

NO

Descripción del plan IPD

Individual participant data will not be shared. The data are proprietary to the sponsor and are not made available to external parties.

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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