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Clinical Study on the Safety and Efficacy of PT-MSC-Derived Extracellular Vesicles (EVs) in the Treatment of Liver Failure

Clinical Study on the Safety and Efficacy of PT-MSC-Derived Extracellular Vesicles (EVs) in the Treatment of Liver Failure

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500104169
Enrollment
Unknown
Registered
2025-06-12
Start date
2025-07-01
Completion date
Unknown
Last updated
2025-06-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Liver Failure

Interventions

Experimental Group:Administration of PT-MSC-derived exosomes at a dose of 1–2 × 10^11 particles per dose

Sponsors

Second Department of Hepatobiliary Medicine Zhujiang Hospital, Southern Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Aged between 18 and 65 years. 2. Patients in the early or intermediate stages of liver failure due to various etiologies. 3. Total bilirubin (TBil) >=171 µmol/L or with a daily increase >=17.1 µmol/L. 4. Prothrombin activity (PTA) of 20%–40% (or International Normalized Ratio [INR] of 1.5–2.6). 5. Absence of hepatic encephalopathy or presence of hepatic encephalopathy up to grade II (inclusive). 6. Elevated inflammatory markers (e.g., IL-6, TNF-a, CRP). 7. Subjects capable of effective communication with investigators and adherence to study protocols. 8. Subjects must provide informed consent prior to the trial and voluntarily sign a written informed consent form.

Exclusion criteria

Exclusion criteria: 1. Presence of severe active bleeding or disseminated intravascular coagulation (DIC). 2. Hypersensitivity to blood products or medications used during treatment (e.g., plasma, heparin, protamine). 3. Patients with circulatory failure. 4. MELD (Model for End-Stage Liver Disease) score >30. 5. Severe cardiac, pulmonary, hematological, autoimmune diseases, or uncontrolled diabetes mellitus.Subjects deemed unsuitable for participation due to other reasons or investigator’s discretion. 6. Subjects deemed unsuitable for participation due to other reasons or investigator’s discretion. 7. Pregnant or lactating women; history of organ transplantation. 8. Patients scheduled to undergo hormonal therapy.

Design outcomes

Primary

MeasureTime frame
Survival rates at 4, 8, and 12 weeks post-treatment;MELD Score;Adverse Event (AE) Incidence Rate;

Secondary

MeasureTime frame
Liver disease-related indicators (PTA, ALT, AST, lactate, blood ammonia, alpha-fetoprotein [AFP], albumin, etc.);IL-6, TNF-a, CRP;Coagulation Function(Plasma Prothrombin Time (PT) International Normalized Ratio (INR) Prothrombin Activity (PT%) Activated Partial Thromboplastin Time (APTT) Fibrinogen (FIB) Thrombin Time (TT) D-Dimer);

Countries

China

Contacts

Public ContactKebo Zhong

Second Department of Hepatobiliary Medicine Zhujiang Hospital, Southern Medical University

296278036@qq.com+86 136 1146 7516

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026