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An open-label, uncontrolled study to evaluate the efficacy and safety of autologous bone marrow mesenchymal stem cells (LS-ABMSC1) in patients with decompensated liver cirrhosis (Phase I / II study)

An open-label, uncontrolled study to evaluate the efficacy and safety of autologous bone marrow mesenchymal stem cells (LS-ABMSC1) in patients with decompensated liver cirrhosis (Phase I / II study) - Study on the efficacy and safety of autologous bone marrow mesenchymal stem cells (LS-ABMSC1) in patients with decompensated liver cirrhosis

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000041461
Enrollment
10
Registered
2020-08-31
Start date
2020-09-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Decompensated liver cirrhosis

Interventions

The investigational product (LS-ABMSC1) will be infused into the liver via hepatic artery through the catheter.

Sponsors

Yamaguchi University Graduate School of Medicine
Lead Sponsor
Department of Gastroenterology, Kanazawa University Hospital
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Patients have the will and ability to provide consent form to participate in this clinical trial. (2) Age: 20 to 75 years. (3) Patients with liver cirrhosis confirmed by any of the following examinations a. Liver biopsy b. Imaging examination (abdominal ultrasound or CT examination or MRI examination), or FibroScan with result more than 12.5 kPa (4) Child-Pugh score must be 7-12 points at 2 measurement points with 90 days or more interval. (5) For female patients of childbearing potential, urine pregnancy test must be negative prior to study entry. (6) Female patients of childbearing potential and male patients who have sex with fertile women must agree to use contraceptive method specified in the protocol. (7) Patients must have the will and ability to visit hospital for examination at the time specified in the protocol

Exclusion criteria

Exclusion criteria: (1) Patients with a current history of malignant neoplasm (active neoplasm or recurrence within 1 year). However, carcinoma in situ or intramucosal cancer cured by local treatment are not included in active malignant neoplasms. (2) Patients with gastroesophageal varices at risk of rupture. (3) In patients with liver cirrhosis due to alcohol, alcohol consumption within 6 months before obtaining consent. (4) Hemoglobin <8 g/dL, platelet count <50,000/uL at screening. (5) Patients with hemorrhagic symptoms. (6) Patients with renal dysfunction (serum creatinine greater than or equal to 2 mg/dL) at screening. (7) Patients unable to obtain consent to allogeneic blood transfusion. (8) Infection with syphilis, HIV (human immunodeficiency virus), adult T-cell leukemia virus, and parvovirus B19 cannot be denied. (9) Women who have hope of pregnancy, or pregnant/lactating woman. (10) Inability to collect bone marrow fluid. (11) Inability to conduct abdominal angiography. (12) Inability to conduct local and venous anesthesia. (13) Patients with current or previous severe allergic reaction to any of the following. Contrast agents, DMSO, HES, heparin, gentamicin, human serum albumin, bovine and porcine derived components. (14) Administration of any of the following agents within 30 days before obtaining consent. - Albumin, warfarin, vitamin K, fresh frozen plasma (15) Change in the usage/dose of any of the following agents within 30 days before obtaining consent. - Branched-chain amino acid, diuretics, zinc preparation, carnitine, synthetic disaccharides, antibiotics for the treatment of hepatic encephalopathy (16) Conducted any of the following therapies within 30 days before obtaining consent. - Ascites puncture, CART, peritoneal-venous shunt (Denver shunt) (17) Patients who participate in other clinical trials, and patients who previously participated in this trial. (18) Any other patients judged to be inappropriate for study inclusion by investigators.

Design outcomes

Primary

MeasureTime frame
The number and incidence of adverse events with hepatic arterial infusion of the investigational product (LS-ABMSC1) until 24weeks after treatment.

Secondary

MeasureTime frame
For following parameters, the value at each evaluation point up to 24 weeks after treatment (or at the time of discontinuation of the study) as well as the amount of change from baseline to each evaluation point. 1. Child-Pugh score 2. MELD-Na score 3. Serum fibrosis markers 4. Liver stiffness 5. Portal blood flow

Countries

Japan

Contacts

Public ContactTaro Takami

Yamaguchi University Graduate School of Medicine Department of Gastroenterology and Hepatology

t-takami@yamaguchi-u.ac.jp0836-22-2241

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026